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  • HTG Reviews the CODE Keyboard: Old School Construction Meets Modern Amenities

    - by Jason Fitzpatrick
    There’s nothing quite as satisfying as the smooth and crisp action of a well built keyboard. If you’re tired of  mushy keys and cheap feeling keyboards, a well-constructed mechanical keyboard is a welcome respite from the $10 keyboard that came with your computer. Read on as we put the CODE mechanical keyboard through the paces. What is the CODE Keyboard? The CODE keyboard is a collaboration between manufacturer WASD Keyboards and Jeff Atwood of Coding Horror (the guy behind the Stack Exchange network and Discourse forum software). Atwood’s focus was incorporating the best of traditional mechanical keyboards and the best of modern keyboard usability improvements. In his own words: The world is awash in terrible, crappy, no name how-cheap-can-we-make-it keyboards. There are a few dozen better mechanical keyboard options out there. I’ve owned and used at least six different expensive mechanical keyboards, but I wasn’t satisfied with any of them, either: they didn’t have backlighting, were ugly, had terrible design, or were missing basic functions like media keys. That’s why I originally contacted Weyman Kwong of WASD Keyboards way back in early 2012. I told him that the state of keyboards was unacceptable to me as a geek, and I proposed a partnership wherein I was willing to work with him to do whatever it takes to produce a truly great mechanical keyboard. Even the ardent skeptic who questions whether Atwood has indeed created a truly great mechanical keyboard certainly can’t argue with the position he starts from: there are so many agonizingly crappy keyboards out there. Even worse, in our opinion, is that unless you’re a typist of a certain vintage there’s a good chance you’ve never actually typed on a really nice keyboard. Those that didn’t start using computers until the mid-to-late 1990s most likely have always typed on modern mushy-key keyboards and never known the joy of typing on a really responsive and crisp mechanical keyboard. Is our preference for and love of mechanical keyboards shining through here? Good. We’re not even going to try and hide it. So where does the CODE keyboard stack up in pantheon of keyboards? Read on as we walk you through the simple setup and our experience using the CODE. Setting Up the CODE Keyboard Although the setup of the CODE keyboard is essentially plug and play, there are two distinct setup steps that you likely haven’t had to perform on a previous keyboard. Both highlight the degree of care put into the keyboard and the amount of customization available. Inside the box you’ll find the keyboard, a micro USB cable, a USB-to-PS2 adapter, and a tool which you may be unfamiliar with: a key puller. We’ll return to the key puller in a moment. Unlike the majority of keyboards on the market, the cord isn’t permanently affixed to the keyboard. What does this mean for you? Aside from the obvious need to plug it in yourself, it makes it dead simple to repair your own keyboard cord if it gets attacked by a pet, mangled in a mechanism on your desk, or otherwise damaged. It also makes it easy to take advantage of the cable routing channels in on the underside of the keyboard to  route your cable exactly where you want it. While we’re staring at the underside of the keyboard, check out those beefy rubber feet. By peripherals standards they’re huge (and there is six instead of the usual four). Once you plunk the keyboard down where you want it, it might as well be glued down the rubber feet work so well. After you’ve secured the cable and adjusted it to your liking, there is one more task  before plug the keyboard into the computer. On the bottom left-hand side of the keyboard, you’ll find a small recess in the plastic with some dip switches inside: The dip switches are there to switch hardware functions for various operating systems, keyboard layouts, and to enable/disable function keys. By toggling the dip switches you can change the keyboard from QWERTY mode to Dvorak mode and Colemak mode, the two most popular alternative keyboard configurations. You can also use the switches to enable Mac-functionality (for Command/Option keys). One of our favorite little toggles is the SW3 dip switch: you can disable the Caps Lock key; goodbye accidentally pressing Caps when you mean to press Shift. You can review the entire dip switch configuration chart here. The quick-start for Windows users is simple: double check that all the switches are in the off position (as seen in the photo above) and then simply toggle SW6 on to enable the media and backlighting function keys (this turns the menu key on the keyboard into a function key as typically found on laptop keyboards). After adjusting the dip switches to your liking, plug the keyboard into an open USB port on your computer (or into your PS/2 port using the included adapter). Design, Layout, and Backlighting The CODE keyboard comes in two flavors, a traditional 87-key layout (no number pad) and a traditional 104-key layout (number pad on the right hand side). We identify the layout as traditional because, despite some modern trapping and sneaky shortcuts, the actual form factor of the keyboard from the shape of the keys to the spacing and position is as classic as it comes. You won’t have to learn a new keyboard layout and spend weeks conditioning yourself to a smaller than normal backspace key or a PgUp/PgDn pair in an unconventional location. Just because the keyboard is very conventional in layout, however, doesn’t mean you’ll be missing modern amenities like media-control keys. The following additional functions are hidden in the F11, F12, Pause button, and the 2×6 grid formed by the Insert and Delete rows: keyboard illumination brightness, keyboard illumination on/off, mute, and then the typical play/pause, forward/backward, stop, and volume +/- in Insert and Delete rows, respectively. While we weren’t sure what we’d think of the function-key system at first (especially after retiring a Microsoft Sidewinder keyboard with a huge and easily accessible volume knob on it), it took less than a day for us to adapt to using the Fn key, located next to the right Ctrl key, to adjust our media playback on the fly. Keyboard backlighting is a largely hit-or-miss undertaking but the CODE keyboard nails it. Not only does it have pleasant and easily adjustable through-the-keys lighting but the key switches the keys themselves are attached to are mounted to a steel plate with white paint. Enough of the light reflects off the interior cavity of the keys and then diffuses across the white plate to provide nice even illumination in between the keys. Highlighting the steel plate beneath the keys brings us to the actual construction of the keyboard. It’s rock solid. The 87-key model, the one we tested, is 2.0 pounds. The 104-key is nearly a half pound heavier at 2.42 pounds. Between the steel plate, the extra-thick PCB board beneath the steel plate, and the thick ABS plastic housing, the keyboard has very solid feel to it. Combine that heft with the previously mentioned thick rubber feet and you have a tank-like keyboard that won’t budge a millimeter during normal use. Examining The Keys This is the section of the review the hardcore typists and keyboard ninjas have been waiting for. We’ve looked at the layout of the keyboard, we’ve looked at the general construction of it, but what about the actual keys? There are a wide variety of keyboard construction techniques but the vast majority of modern keyboards use a rubber-dome construction. The key is floated in a plastic frame over a rubber membrane that has a little rubber dome for each key. The press of the physical key compresses the rubber dome downwards and a little bit of conductive material on the inside of the dome’s apex connects with the circuit board. Despite the near ubiquity of the design, many people dislike it. The principal complaint is that dome keyboards require a complete compression to register a keystroke; keyboard designers and enthusiasts refer to this as “bottoming out”. In other words, the register the “b” key, you need to completely press that key down. As such it slows you down and requires additional pressure and movement that, over the course of tens of thousands of keystrokes, adds up to a whole lot of wasted time and fatigue. The CODE keyboard features key switches manufactured by Cherry, a company that has manufactured key switches since the 1960s. Specifically the CODE features Cherry MX Clear switches. These switches feature the same classic design of the other Cherry switches (such as the MX Blue and Brown switch lineups) but they are significantly quieter (yes this is a mechanical keyboard, but no, your neighbors won’t think you’re firing off a machine gun) as they lack the audible click found in most Cherry switches. This isn’t to say that they keyboard doesn’t have a nice audible key press sound when the key is fully depressed, but that the key mechanism isn’t doesn’t create a loud click sound when triggered. One of the great features of the Cherry MX clear is a tactile “bump” that indicates the key has been compressed enough to register the stroke. For touch typists the very subtle tactile feedback is a great indicator that you can move on to the next stroke and provides a welcome speed boost. Even if you’re not trying to break any word-per-minute records, that little bump when pressing the key is satisfying. The Cherry key switches, in addition to providing a much more pleasant typing experience, are also significantly more durable than dome-style key switch. Rubber dome switch membrane keyboards are typically rated for 5-10 million contacts whereas the Cherry mechanical switches are rated for 50 million contacts. You’d have to write the next War and Peace  and follow that up with A Tale of Two Cities: Zombie Edition, and then turn around and transcribe them both into a dozen different languages to even begin putting a tiny dent in the lifecycle of this keyboard. So what do the switches look like under the classicly styled keys? You can take a look yourself with the included key puller. Slide the loop between the keys and then gently beneath the key you wish to remove: Wiggle the key puller gently back and forth while exerting a gentle upward pressure to pop the key off; You can repeat the process for every key, if you ever find yourself needing to extract piles of cat hair, Cheeto dust, or other foreign objects from your keyboard. There it is, the naked switch, the source of that wonderful crisp action with the tactile bump on each keystroke. The last feature worthy of a mention is the N-key rollover functionality of the keyboard. This is a feature you simply won’t find on non-mechanical keyboards and even gaming keyboards typically only have any sort of key roller on the high-frequency keys like WASD. So what is N-key rollover and why do you care? On a typical mass-produced rubber-dome keyboard you cannot simultaneously press more than two keys as the third one doesn’t register. PS/2 keyboards allow for unlimited rollover (in other words you can’t out type the keyboard as all of your keystrokes, no matter how fast, will register); if you use the CODE keyboard with the PS/2 adapter you gain this ability. If you don’t use the PS/2 adapter and use the native USB, you still get 6-key rollover (and the CTRL, ALT, and SHIFT don’t count towards the 6) so realistically you still won’t be able to out type the computer as even the more finger twisting keyboard combos and high speed typing will still fall well within the 6-key rollover. The rollover absolutely doesn’t matter if you’re a slow hunt-and-peck typist, but if you’ve read this far into a keyboard review there’s a good chance that you’re a serious typist and that kind of quality construction and high-number key rollover is a fantastic feature.  The Good, The Bad, and the Verdict We’ve put the CODE keyboard through the paces, we’ve played games with it, typed articles with it, left lengthy comments on Reddit, and otherwise used and abused it like we would any other keyboard. The Good: The construction is rock solid. In an emergency, we’re confident we could use the keyboard as a blunt weapon (and then resume using it later in the day with no ill effect on the keyboard). The Cherry switches are an absolute pleasure to type on; the Clear variety found in the CODE keyboard offer a really nice middle-ground between the gun-shot clack of a louder mechanical switch and the quietness of a lesser-quality dome keyboard without sacrificing quality. Touch typists will love the subtle tactile bump feedback. Dip switch system makes it very easy for users on different systems and with different keyboard layout needs to switch between operating system and keyboard layouts. If you’re investing a chunk of change in a keyboard it’s nice to know you can take it with you to a different operating system or “upgrade” it to a new layout if you decide to take up Dvorak-style typing. The backlighting is perfect. You can adjust it from a barely-visible glow to a blazing light-up-the-room brightness. Whatever your intesity preference, the white-coated steel backplate does a great job diffusing the light between the keys. You can easily remove the keys for cleaning (or to rearrange the letters to support a new keyboard layout). The weight of the unit combined with the extra thick rubber feet keep it planted exactly where you place it on the desk. The Bad: While you’re getting your money’s worth, the $150 price tag is a shock when compared to the $20-60 price tags you find on lower-end keyboards. People used to large dedicated media keys independent of the traditional key layout (such as the large buttons and volume controls found on many modern keyboards) might be off put by the Fn-key style media controls on the CODE. The Verdict: The keyboard is clearly and heavily influenced by the needs of serious typists. Whether you’re a programmer, transcriptionist, or just somebody that wants to leave the lengthiest article comments the Internet has ever seen, the CODE keyboard offers a rock solid typing experience. Yes, $150 isn’t pocket change, but the quality of the CODE keyboard is so high and the typing experience is so enjoyable, you’re easily getting ten times the value you’d get out of purchasing a lesser keyboard. Even compared to other mechanical keyboards on the market, like the Das Keyboard, you’re still getting more for your money as other mechanical keyboards don’t come with the lovely-to-type-on Cherry MX Clear switches, back lighting, and hardware-based operating system keyboard layout switching. If it’s in your budget to upgrade your keyboard (especially if you’ve been slogging along with a low-end rubber-dome keyboard) there’s no good reason to not pickup a CODE keyboard. Key animation courtesy of Geekhack.org user Lethal Squirrel.       

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  • NDepend tool – Why every developer working with Visual Studio.NET must try it!

    - by hajan
    In the past two months, I have had a chance to test the capabilities and features of the amazing NDepend tool designed to help you make your .NET code better, more beautiful and achieve high code quality. In other words, this tool will definitely help you harmonize your code. I mean, you’ve probably heard about Chaos Theory. Experienced developers and architects are already advocates of the programming chaos that happens when working with complex project architecture, the matrix of relationships between objects which simply even if you are the one who have written all that code, you know how hard is to visualize everything what does the code do. When the application get more and more complex, you will start missing a lot of details in your code… NDepend will help you visualize all the details on a clever way that will help you make smart moves to make your code better. The NDepend tool supports many features, such as: Code Query Language – which will help you write custom rules and query your own code! Imagine, you want to find all your methods which have more than 100 lines of code :)! That’s something simple! However, I will dig much deeper in one of my next blogs which I’m going to dedicate to the NDepend’s CQL (Code Query Language) Architecture Visualization – You are an architect and want to visualize your application’s architecture? I’m thinking how many architects will be really surprised from their architectures since NDepend shows your whole architecture showing each piece of it. NDepend will show you how your code is structured. It shows the architecture in graphs, but if you have very complex architecture, you can see it in Dependency Matrix which is more suited to display large architecture Code Metrics – Using NDepend’s panel, you can see the code base according to Code Metrics. You can do some additional filtering, like selecting the top code elements ordered by their current code metric value. You can use the CQL language for this purpose too. Smart Search – NDepend has great searching ability, which is again based on the CQL (Code Query Language). However, you have some options to search using dropdown lists and text boxes and it will generate the appropriate CQL code on fly. Moreover, you can modify the CQL code if you want it to fit some more advanced searching tasks. Compare Builds and Code Difference – NDepend will also help you compare previous versions of your code with the current one at one of the most clever ways I’ve seen till now. Create Custom Rules – using CQL you can create custom rules and let NDepend warn you on each build if you break a rule Reporting – NDepend can automatically generate reports with detailed stats, graph representation, dependency matrixes and some additional advanced reporting features that will simply explain you everything related to your application’s code, architecture and what you’ve done. And that’s not all. As I’ve seen, there are many other features that NDepend supports. I will dig more in the upcoming days and will blog more about it. The team who built the NDepend have also created good documentation, which you can find on the NDepend website. On their website, you can also find some good videos that will help you get started quite fast. It’s easy to install and what is very important it is fully integrated with Visual Studio. To get you started, you can watch the following Getting Started Online Demo and Tutorial with explanations and screenshots. If you are interested to know more about how to use the features of this tool, either visit their website or wait for my next blogs where I will show some real examples of using the tool and how it helps make your code better. And the last thing for this blog, I would like to copy one sentence from the NDepend’s home page which says: ‘Hence the software design becomes concrete, code reviews are effective, large refactoring are easy and evolution is mastered.’ Website: www.ndepend.com Getting Started: http://www.ndepend.com/GettingStarted.aspx Features: http://www.ndepend.com/Features.aspx Download: http://www.ndepend.com/NDependDownload.aspx Hope you like it! Please do let me know your feedback by providing comments to my blog post. Kind Regards, Hajan

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  • How To Disable Control Panel in Windows 7

    - by Mysticgeek
    If you have a shared computer that your family and friends can access, you might not want them to mess around in the Control Panel, and luckily with a simple tweak you can disable it. Disable Control Panel with Group Policy Note: This process uses Local Group Policy Editor which is not available in Home versions of Windows 7. Skip down below for the registry hack version that works on Home editions as well. First type gpedit.msc into the Search box in the Start menu and hit Enter. When Local Group Policy Editor opens, navigate to User Configuration \ Administrative Templates then select Control Panel in the left Column. In the right column double-click on Prohibit access to the Control Panel. In the next window, select Enable, click OK, then close out of Local Group Policy Editor. After the Control Panel is disabled, you’ll notice it’s no longer listed in the Start Menu. If the user tries to type Control Panel into the Search box in the Start menu, they will get the following message indicating it’s restricted. Disable Control Panel with a Registry Tweak You can also tweak the Registry to disable Control Panel. This will work with all versions of Windows 7, Vista, and XP. Making changes in the Registry is not recommended for beginners and you should create a Restore Point, or backup the Registry before making any changes. Type regedit into the Search box in the Start menu and hit Enter. In Registry Editor navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer. Then right-click in the right pane and create a new DWORD (32-bit) Value. Name the value NoControlPanel. Then right-click on the new Value and click Modify…   In the Value data field change the value to “1” then click OK. Close out of Registry Editor and restart the machine to complete the process. When you get back from reboot, you’ll notice Control Panel is no longer listed in the Start menu. If a user tries to access it by typing Control Panel into the Search box in the Start menu… They will get the following message indicating it is restricted, just like if you were to disable it via Group Policy. If you want to re-enable the Control Panel, go back into the Registry and change the NoControlPanel value back to “0” then reboot the computer. This comes in handy if you have inexperienced users working on your machine and don’t want them messing with Control Panel settings. Similar Articles Productive Geek Tips Disable User Account Control (UAC) the Easy Way on Win 7 or VistaStill Useful in Vista: Startup Control PanelRestore Missing Items in Windows Vista Control PanelHow To Manage Action Center in Windows 7New Vista Syntax for Opening Control Panel Items from the Command-line TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Home Networks – How do they look like & the problems they cause Check Your IMAP Mail Offline In Thunderbird Follow Finder Finds You Twitter Users To Follow Combine MP3 Files Easily QuicklyCode Provides Cheatsheets & Other Programming Stuff Download Free MP3s from Amazon

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  • Performance and Optimization Isn’t Evil

    - by Reed
    Donald Knuth is a fairly amazing guy.  I consider him one of the most influential contributors to computer science of all time.  Unfortunately, most of the time I hear his name, I cringe.  This is because it’s typically somebody quoting a small portion of one of his famous statements on optimization: “premature optimization is the root of all evil.” I mention that this is only a portion of the entire quote, and, as such, I feel that Knuth is being quoted out of context.  Optimization is important.  It is a critical part of every software development effort, and should never be ignored.  A developer who ignores optimization is not a professional.  Every developer should understand optimization – know what to optimize, when to optimize it, and how to think about code in a way that is intelligent and productive from day one. I want to start by discussing my own, personal motivation here.  I recently wrote about a performance issue I ran across, and was slammed by multiple comments and emails that effectively boiled down to: “You’re an idiot.  Premature optimization is the root of all evil.  This doesn’t matter.”  It didn’t matter that I discovered this while measuring in a profiler, and that it was a portion of my code base that can take “many hours to complete.”  Even so, multiple people instantly jump to “it’s premature – it doesn’t matter.” This is a common thread I see.  For example, StackOverflow has many pages of posts with answers that boil down to (mis)quoting Knuth.  In fact, just about any question relating to a performance related issue gets this quote thrown at it immediately – whether it deserves it or not.  That being said, I did receive some positive comments and emails as well.  Many people want to understand how to optimize their code, approaches to take, tools and techniques they can use, and any other advice they can discover. First, lets get back to Knuth – I mentioned before that Knuth is being quoted out of context.  Lets start by looking at the entire quote from his 1974 paper Structured Programming with go to Statements: “We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Yet we should not pass up our opportunities in that critical 3%. A good programmer will not be lulled into complacency by such reasoning, he will be wise to look carefully at the critical code; but only after that code has been identified.” Ironically, if you read Knuth’s original paper, this statement was made in the middle of a discussion of how Knuth himself had changed how he approaches optimization.  It was never a statement saying “don’t optimize”, but rather, “optimizing intelligently provides huge advantages.”  His approach had three benefits: “a) it doesn’t take long” … “b) the payoff is real”, c) you can “be less efficient in the other parts of my programs, which therefore are more readable and more easily written and debugged.” Looking at Knuth’s premise here, and reading that section of his paper, really leads to a few observations: Optimization is important  “he will be wise to look carefully at the critical code” Normally, 3% of your code – three lines out of every 100 you write, are “critical code” and will require some optimization: “we should not pass up our opportunities in that critical 3%” Optimization, if done well, should not be time consuming: “it doesn’t take long” Optimization, if done correctly, provides real benefits: “the payoff is real” None of this is new information.  People who care about optimization have been discussing this for years – for example, Rico Mariani’s Designing For Performance (a fantastic article) discusses many of the same issues very intelligently. That being said, many developers seem unable or unwilling to consider optimization.  Many others don’t seem to know where to start.  As such, I’m going to spend some time writing about optimization – what is it, how should we think about it, and what can we do to improve our own code.

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  • javaee_c105

    - by ???02
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  • JavaScript Browser Hacks

    Recently during one of my client side scripting classes, I was trying to show my students some basic examples of JavaScript as an introduction to the language.  My first basic example was to show an alert box using JavaScript via the address bar. The student’s reaction to my browser hack example really caught me off guard in a good way. After programming with a language for close to 10 years you start to lose the "Awe Cool!" effect that new learners of a language experience when writing code. New learns of JavaScript are the reason why I created this post. Please enjoy. Note: Place JavaScript in to address bar and then press the enter key. Example 1: JavaScript Alert box displaying My name: John Doe Javascript:alert('My name: \n John Doe') ; Example 2: JavaScript alert box displaying name entered by user. javascript:alert('My name: \n ' + prompt('Enter Name','Name')) ; Example 3: JavaScript alert box displaying name entered by user, and then displays the length of the name. javascript:var name= prompt('Enter Name','Name'); alert('My name: \n ' + name); alert(name.length); If you notice, the address bar will execute JavaScript on the current page loaded in the browser using the Document Object Model (DOM). Additionally, the address bar will allow multiple lines to be executed sequentially even though all of the code is contained within one line due to the fact that the JavaScript interpreter uses the “;” to indicate where a line of ends and a new one begins. After doing a little more research on the topic of JavaScript Browser Hacks I found a few other cool JavaScript hacks which I will list below. Example 4: Make any webpage editableSource: http://www.openjason.com/2008/09/02/browser-hack-make-any-web-page-editable/ javascript:document.body.contentEditable='true'; document.designMode='on'; void 0; Example 5: CHINESE DRAGON DANCING Source: http://nzeyi.wordpress.com/2009/06/01/dwrajaxjavascript-hacks-the-secrets-of-javascript-in-the-adress-bar/ javascript:R=0;x1=0.1;y1=0.05;x2=0.25;y2=0.24;x3=1.6; y3=0.24;x4=300;y4=200;x5=300;y5=200;DI=document.links; DIL=DI.length;A=function(){for(i=0;i-DIL;i++){DI[i].style. position='absolute';DI[i].style.left=Math.sin(R*x1+i*x2+x3)*x4+ x5;DI[i].style.top=Math.cos(R*y1+i*y2+y3)*y4+y5}R++;}; setInterval('A()',5);void(0); Example 6: Reveal content stored in password protected fields javascript:(function(){var s,F,j,f,i; s = “”; F = document.forms; for(j=0; j Example 7: Force user to close browser windowSource: http://forums.digitalpoint.com/showthread.php?t=767053 javascript:while(1){alert('Restart your brower to close this box!')} Learn more about JavaScript Browser Hacks.

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  • 5 Steps to getting started with IronRuby

    - by Eric Nelson
    IronRuby is a Open Source implementation of the Ruby programming language for .NET, heavily relying on Microsoft's Dynamic Language Runtime. The project's #1 goal is to be a true Ruby implementation, meaning it runs existing Ruby code. Check out this summary of using the Ruby standard library and 3rd party libraries in IronRuby. IronRuby has tight integration with .NET, so any .NET types can be used from IronRuby and the IronRuby runtime can be embedded into any .NET application. These 5 steps should get you nicely up and running on IronRuby – OR … you could just watch a video session from the lead developer which took place earlier this month (March 2010 - 60mins). But the 5 steps will be quicker :-) Step 1 – Install IronRuby :-) You can install IronRuby automatically using an MSI or manually. For simplicity I would recommend the MSI install. TIP: As of the 25th of March IronRuby has not quite shipped. The download above is a Release Candidate (RC) which means it is still undergoing final testing by the team. You will need to uninstall this version (RC3) once the final release is available. The good news is that uninstalling IronRuby RC3 will work without a hitch as the MSI does relatively little. Step 2 – Install an IronRuby friendly editor You will need to Install an editor to work with IronRuby as there is no designer support for IronRuby inside Visual Studio. There are many editors to choose from but I would recommend you either went with: SciTE (Download the MSI): This is a lightweight text editor which is simple to get up and running. SciTE understands Ruby syntax and allows you to easily run IronRuby code within the editor with a small change to the config file. SharpDevelop 3.2 (Download the MSI): This is an open source development environment for C#, VB, Boo and now IronRuby. IronRuby support is new but it does include integrated debugging. You might also want to check out the main site for SharpDevelop. TIP: There are commercial tools for Ruby development which offer richer support such as intellisense.. They can be coerced into working with IronRuby. A good one to start with is RubyMine which needs some small changes to make it work with IronRuby. Step 3 – Run the IronRuby Tutorial Run through the IronRuby tutorial which is included in the IronRuby download. It covers off the basics of the Ruby languages and how IronRuby integrates with .NET. In a typical install it will end up at C:\Program Files\IronRuby 0.9.4.0\Samples\Tutorial. Which will give you the tutorial implemented in .NET and Ruby. TIP: You might also want to check out these two introductory posts Using IronRuby and .NET to produce the ‘Hello World of WPF’ and What's IronRuby, and how do I put it on Rails? Step 4 – Get some good books to read Get a great book on Ruby and IronRuby. There are several free ebooks on Ruby which will help you learn the language. The little book of Ruby is a good place to start. I would also recommend you purchase IronRuby Unleashed (Buy on Amazon UK | Buy on Amazon USA). You might also want to check out this mini-review. Other books are due out soon including IronRuby in Action. TIP: Also check out the official documentation for using .NET from IronRuby. Step 5 – Keep an eye on the team blogs Keep an eye on the IronRuby team blogs including Jimmy Schementi, Jim Deville and Tomas Matousek (full list) TIP: And keep a watch out for the final release of IronRuby – due anytime soon!

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  • What is Agile Modeling and why do I need it?

    What is Agile Modeling and why do I need it? Agile Modeling is an add-on to existing agile methodologies like Extreme programming (XP) and Rational Unified Process (RUP). Agile Modeling enables developers to develop a customized software development process that actually meets their current development needs and is flexible enough to adjust in the future. According to Scott Ambler, Agile Modeling consists of five core values that enable this methodology to be effective and light weight Agile Modeling Core Values: Communication Simplicity Feedback Courage Humility Communication is a key component to any successful project. Open communication between stakeholder and the development team is essential when developing new applications or maintaining legacy systems. Agile models promote communication amongst software development teams and stakeholders. Furthermore, Agile Models provide a common understanding of an application for members of a software development team allowing them to have a universal common point of reference. The use of simplicity in Agile Models enables the exploration of new ideas and concepts through the use of basic diagrams instead of investing the time in writing tens or hundreds of lines of code. Feedback in regards to application development is essential. Feedback allows a development team to confirm that the development path is on track. Agile Models allow for quick feedback from shareholders because minimal to no technical expertise is required to understand basic models. Courage is important because you need to make important decisions and be able to change direction by either discarding or refactoring your work when some of your decisions prove inadequate, according to Scott Ambler. As a member of a development team, we must admit that we do not know everything even though some of us think we do. This is where humility comes in to play. Everyone is a knowledge expert in their own specific domain. If you need help with your finances then you would consult an accountant. If you have a problem or are in need of help with a topic why would someone not consult with a subject expert? An effective approach is to assume that everyone involved with your project has equal value and therefore should be treated with respect. Agile Model Characteristics: Purposeful Understandable Sufficiently Accurate Sufficiently Consistent Sufficiently Detailed Provide Positive Value Simple as Possible Just Fulfill Basic Requirements According to Scott Ambler, Agile models are the most effective possible because the time that is invested in the model is just enough effort to complete the job. Furthermore, if a model isn’t good enough yet then additional effort can be invested to get more value out of the model. However if a model is good enough, for the current needs, or surpass the current needs, then any additional work done on the model would be a waste. It is important to remember that good enough is in the eye of the beholder, so this can be tough. In order for Agile Models to work effectively Active Stakeholder need to participation in the modeling process. Finally it is also very important to model with others, this allows for additionally input ensuring that all the shareholders needs are reflected in the models. How can Agile Models be incorporated in to our projects? Agile Models can be incorporated in to our project during the requirement gathering and design phases. As requirements are gathered the models should be updated to incorporate the new project details as they are defined and updated. Additionally, the Agile Models created during the requirement phase can be the bases for the models created during the design phase.  It is important to only add to the model when the changes fit within the agile model characteristics and they do not over complicate the design.

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  • Big Data – Buzz Words: What is MapReduce – Day 7 of 21

    - by Pinal Dave
    In yesterday’s blog post we learned what is Hadoop. In this article we will take a quick look at one of the four most important buzz words which goes around Big Data – MapReduce. What is MapReduce? MapReduce was designed by Google as a programming model for processing large data sets with a parallel, distributed algorithm on a cluster. Though, MapReduce was originally Google proprietary technology, it has been quite a generalized term in the recent time. MapReduce comprises a Map() and Reduce() procedures. Procedure Map() performance filtering and sorting operation on data where as procedure Reduce() performs a summary operation of the data. This model is based on modified concepts of the map and reduce functions commonly available in functional programing. The library where procedure Map() and Reduce() belongs is written in many different languages. The most popular free implementation of MapReduce is Apache Hadoop which we will explore tomorrow. Advantages of MapReduce Procedures The MapReduce Framework usually contains distributed servers and it runs various tasks in parallel to each other. There are various components which manages the communications between various nodes of the data and provides the high availability and fault tolerance. Programs written in MapReduce functional styles are automatically parallelized and executed on commodity machines. The MapReduce Framework takes care of the details of partitioning the data and executing the processes on distributed server on run time. During this process if there is any disaster the framework provides high availability and other available modes take care of the responsibility of the failed node. As you can clearly see more this entire MapReduce Frameworks provides much more than just Map() and Reduce() procedures; it provides scalability and fault tolerance as well. A typical implementation of the MapReduce Framework processes many petabytes of data and thousands of the processing machines. How do MapReduce Framework Works? A typical MapReduce Framework contains petabytes of the data and thousands of the nodes. Here is the basic explanation of the MapReduce Procedures which uses this massive commodity of the servers. Map() Procedure There is always a master node in this infrastructure which takes an input. Right after taking input master node divides it into smaller sub-inputs or sub-problems. These sub-problems are distributed to worker nodes. A worker node later processes them and does necessary analysis. Once the worker node completes the process with this sub-problem it returns it back to master node. Reduce() Procedure All the worker nodes return the answer to the sub-problem assigned to them to master node. The master node collects the answer and once again aggregate that in the form of the answer to the original big problem which was assigned master node. The MapReduce Framework does the above Map () and Reduce () procedure in the parallel and independent to each other. All the Map() procedures can run parallel to each other and once each worker node had completed their task they can send it back to master code to compile it with a single answer. This particular procedure can be very effective when it is implemented on a very large amount of data (Big Data). The MapReduce Framework has five different steps: Preparing Map() Input Executing User Provided Map() Code Shuffle Map Output to Reduce Processor Executing User Provided Reduce Code Producing the Final Output Here is the Dataflow of MapReduce Framework: Input Reader Map Function Partition Function Compare Function Reduce Function Output Writer In a future blog post of this 31 day series we will explore various components of MapReduce in Detail. MapReduce in a Single Statement MapReduce is equivalent to SELECT and GROUP BY of a relational database for a very large database. Tomorrow In tomorrow’s blog post we will discuss Buzz Word – HDFS. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Big Data, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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  • Clean Code: A Handbook of Agile Software Craftsmanship – book review

    - by DigiMortal
       Writing code that is easy read and test is not something that is easy to achieve. Unfortunately there are still way too much programming students who write awful spaghetti after graduating. But there is one really good book that helps you raise your code to new level – your code will be also communication tool for you and your fellow programmers. “Clean Code: A Handbook of Agile Software Craftsmanship” by Robert C. Martin is excellent book that helps you start writing the easily readable code. Of course, you are the one who has to learn and practice but using this book you have very good guide that keeps you going to right direction. You can start writing better code while you read this book and you can do it right in your current projects – you don’t have to create new guestbook or some other simple application to start practicing. Take the project you are working on and start making it better! My special thanks to Robert C. Martin I want to say my special thanks to Robert C. Martin for this book. There are many books that teach you different stuff and usually you have markable learning curve to go before you start getting results. There are many books that show you the direction to go and then leave you alone figuring out how to achieve all that stuff you just read about. Clean Code gives you a lot more – the mental tools to use so you can go your way to clean code being sure you will be soon there. I am reading books as much as I have time for it. Clean Code is top-level book for developers who have to write working code. Before anything else take Clean Code and read it. You will never regret your decision. I promise. Fragment of editorial review “Even bad code can function. But if code isn’t clean, it can bring a development organization to its knees. Every year, countless hours and significant resources are lost because of poorly written code. But it doesn’t have to be that way. What kind of work will you be doing? You’ll be reading code—lots of code. And you will be challenged to think about what’s right about that code, and what’s wrong with it. More importantly, you will be challenged to reassess your professional values and your commitment to your craft. Readers will come away from this book understanding How to tell the difference between good and bad code How to write good code and how to transform bad code into good code How to create good names, good functions, good objects, and good classes How to format code for maximum readability How to implement complete error handling without obscuring code logic How to unit test and practice test-driven development This book is a must for any developer, software engineer, project manager, team lead, or systems analyst with an interest in producing better code.” Table of contents Clean code Meaningful names Functions Comments Formatting Objects and data structures Error handling Boundaries Unit tests Classes Systems Emergence Concurrency Successive refinement JUnit internals Refactoring SerialDate Smells and heuristics A Concurrency II org.jfree.date.SerialDate Cross references of heuristics Epilogue Index

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  • PetaPoco with parameterised stored procedure and Asp.Net MVC

    - by Jalpesh P. Vadgama
    I have been playing with Micro ORMs as this is very interesting things that are happening in developer communities and I already liked the concept of it. It’s tiny easy to use and can do performance tweaks. PetaPoco is also one of them I have written few blog post about this. In this blog post I have explained How we can use the PetaPoco with stored procedure which are having parameters.  I am going to use same Customer table which I have used in my previous posts. For those who have not read my previous post following is the link for that. Get started with ASP.NET MVC and PetaPoco PetaPoco with stored procedures Now our customer table is ready. So let’s Create a simple process which will fetch a single customer via CustomerId. Following is a code for that. CREATE PROCEDURE mysp_GetCustomer @CustomerId as INT AS SELECT * FROM [dbo].Customer where CustomerId=@CustomerId Now  we are ready with our stored procedures. Now lets create code in CustomerDB class to retrieve single customer like following. using System.Collections.Generic; namespace CodeSimplified.Models { public class CustomerDB { public IEnumerable<Customer> GetCustomers() { var databaseContext = new PetaPoco.Database("MyConnectionString"); databaseContext.EnableAutoSelect = false; return databaseContext.Query<Customer>("exec mysp_GetCustomers"); } public Customer GetCustomer(int customerId) { var databaseContext = new PetaPoco.Database("MyConnectionString"); databaseContext.EnableAutoSelect = false; var customer= databaseContext.SingleOrDefault<Customer>("exec mysp_GetCustomer @customerId",new {customerId}); return customer; } } } Here in above code you can see that I have created a new method call GetCustomer which is having customerId as parameter and then I have written to code to use stored procedure which we have created to fetch customer Information. Here I have set EnableAutoSelect=false because I don’t want to create Select statement automatically I want to use my stored procedure for that. Now Our Customer DB class is ready and now lets create a ActionResult Detail in our controller like following using System.Web.Mvc; namespace CodeSimplified.Controllers { public class HomeController : Controller { public ActionResult Index() { ViewBag.Message = "Welcome to ASP.NET MVC!"; return View(); } public ActionResult About() { return View(); } public ActionResult Customer() { var customerDb = new Models.CustomerDB(); return View(customerDb.GetCustomers()); } public ActionResult Details(int id) { var customerDb = new Models.CustomerDB(); return View(customerDb.GetCustomer(id)); } } } Now Let’s create view based on that ActionResult Details method like following. Now everything is ready let’s test it in browser. So lets first goto customer list like following. Now I am clicking on details for first customer and Let’s see how we can use the stored procedure with parameter to fetch the customer details and below is the output. So that’s it. It’s very easy. Hope you liked it. Stay tuned for more..Happy Programming

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  • Silverlight Cream for March 17, 2010 -- #814

    - by Dave Campbell
    In this Issue: Tim Heuer(-2-), René Schulte(-2-), Bart Czernicki, Mark Monster, Pencho Popadiyn, Alex Golesh, Phil Middlemiss, and Yochay Kiriaty. Shoutouts: Check out the new themes, and Tim Heuer's poetry skills: SNEAK PEEK: New Silverlight application themes I learned to program Windows 3.1 from reading Charles Petzold's book, and here we are again: Free ebook: Programming Windows Phone 7 Series (DRAFT Preview) Here's a blog you're going to want to watch, and first up on the blog tonight is links to the complete set of MIX10 phone sessions: The Windows Phone Developer Blog First let me get a couple of things out of my system... "Holy Crap it's March 17th already" and "Holy Crap, we're all Windows Phone Developers!" I'm sure both of those were old news to anyone that's not been in a coma since Monday, but I've been a tad busy here at #MIX10. I'm not complainin' ... I'm just sayin' From SilverlightCream.com: Getting Started with Silverlight and Windows Phone 7 Development With any new Silverlight technology we have to begin with Tim Heuer... and this is Tim's announcement of Silverlight on the Windows Phone 7 Series ('cmon, can I call it a "Silverlight Phone"? ... please?) ... hope I didn't type that out loud :) ... so... in case you fell asleep Sunday, and just woke up, Tim let the dogs out on this and we could all talk about it. In all seriousness, bookmark this page... lots of good links. A guide to what has changed in the Silverlight 4 RC Continuing the 'bookmark this page' thought... Tim Heuer also has one up on what the heck is all in the Silverlight 4 RC they released on Monday... check this out... really good stuff in there... and a great post detailing it all. The Silverlight 4 Release Candidate René Schulte has a good post up detailing the new stuff in Silverlight 4 RC, with special attention paid to the webcam/mic and AsyncCaptureImage Let it ring - WriteableBitmapEx for Windows Phone René Schulte has a Windows Phone post up as well, introducing the WriteableBitmapEx library for Windows Phone... how cool is that?? Silverlight for Windows Phone 7 is NOT the same full Silverlight 3 RTM Bart Czernicki dug into the docs to expose some of the differences between Silverlight for the Windows Phone and Silverlight 3. If you've been developing in SL3 and want to also do Phone, check out this post and his resource listings. Trying to sketch a Windows Phone 7 application Mark Monster tried to SketchFlow a Windows Phone app and hit some problems... if anyone has thoughts, contribute on his blog page. Using Reactive Extensions in Silverlight – part 2 – Web Services Pencho Popadiyn has part 2 of his tutorial on Rx, and this one is concentrating on asynchronous service calls. Silverlight 4 Quick Tip: Out-Of-Browser Improvements This post from Alex Golesh is a little weird since he was sitting next to me in a session at MIX10 when he submitted it :) ... good update on what's new in OOB in the RC Turning a round button into a rounded panel I like Phil Middlemiss' other title for this post: "A Scalable Orb Panel-Button-Thingy" ... this is a very cool resizing button that works amazingly similar to the resizable skinned dialogs I did in Win32!... very cool, Phil! Go Get It – The Windows Phone Developer Training Kit Did you know there was a Windows Phone Training Kit with Hands-on Labs? Yochay Kiriaty at the Windows Phone Developer Blog wrote about it... I pulled it down, and it looks really good! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Beware Sneaky Reads with Unique Indexes

    - by Paul White NZ
    A few days ago, Sandra Mueller (twitter | blog) asked a question using twitter’s #sqlhelp hash tag: “Might SQL Server retrieve (out-of-row) LOB data from a table, even if the column isn’t referenced in the query?” Leaving aside trivial cases (like selecting a computed column that does reference the LOB data), one might be tempted to say that no, SQL Server does not read data you haven’t asked for.  In general, that’s quite correct; however there are cases where SQL Server might sneakily retrieve a LOB column… Example Table Here’s a T-SQL script to create that table and populate it with 1,000 rows: CREATE TABLE dbo.LOBtest ( pk INTEGER IDENTITY NOT NULL, some_value INTEGER NULL, lob_data VARCHAR(MAX) NULL, another_column CHAR(5) NULL, CONSTRAINT [PK dbo.LOBtest pk] PRIMARY KEY CLUSTERED (pk ASC) ); GO DECLARE @Data VARCHAR(MAX); SET @Data = REPLICATE(CONVERT(VARCHAR(MAX), 'x'), 65540);   WITH Numbers (n) AS ( SELECT ROW_NUMBER() OVER (ORDER BY (SELECT 0)) FROM master.sys.columns C1, master.sys.columns C2 ) INSERT LOBtest WITH (TABLOCKX) ( some_value, lob_data ) SELECT TOP (1000) N.n, @Data FROM Numbers N WHERE N.n <= 1000; Test 1: A Simple Update Let’s run a query to subtract one from every value in the some_value column: UPDATE dbo.LOBtest WITH (TABLOCKX) SET some_value = some_value - 1; As you might expect, modifying this integer column in 1,000 rows doesn’t take very long, or use many resources.  The STATITICS IO and TIME output shows a total of 9 logical reads, and 25ms elapsed time.  The query plan is also very simple: Looking at the Clustered Index Scan, we can see that SQL Server only retrieves the pk and some_value columns during the scan: The pk column is needed by the Clustered Index Update operator to uniquely identify the row that is being changed.  The some_value column is used by the Compute Scalar to calculate the new value.  (In case you are wondering what the Top operator is for, it is used to enforce SET ROWCOUNT). Test 2: Simple Update with an Index Now let’s create a nonclustered index keyed on the some_value column, with lob_data as an included column: CREATE NONCLUSTERED INDEX [IX dbo.LOBtest some_value (lob_data)] ON dbo.LOBtest (some_value) INCLUDE ( lob_data ) WITH ( FILLFACTOR = 100, MAXDOP = 1, SORT_IN_TEMPDB = ON ); This is not a useful index for our simple update query; imagine that someone else created it for a different purpose.  Let’s run our update query again: UPDATE dbo.LOBtest WITH (TABLOCKX) SET some_value = some_value - 1; We find that it now requires 4,014 logical reads and the elapsed query time has increased to around 100ms.  The extra logical reads (4 per row) are an expected consequence of maintaining the nonclustered index. The query plan is very similar to before (click to enlarge): The Clustered Index Update operator picks up the extra work of maintaining the nonclustered index. The new Compute Scalar operators detect whether the value in the some_value column has actually been changed by the update.  SQL Server may be able to skip maintaining the nonclustered index if the value hasn’t changed (see my previous post on non-updating updates for details).  Our simple query does change the value of some_data in every row, so this optimization doesn’t add any value in this specific case. The output list of columns from the Clustered Index Scan hasn’t changed from the one shown previously: SQL Server still just reads the pk and some_data columns.  Cool. Overall then, adding the nonclustered index hasn’t had any startling effects, and the LOB column data still isn’t being read from the table.  Let’s see what happens if we make the nonclustered index unique. Test 3: Simple Update with a Unique Index Here’s the script to create a new unique index, and drop the old one: CREATE UNIQUE NONCLUSTERED INDEX [UQ dbo.LOBtest some_value (lob_data)] ON dbo.LOBtest (some_value) INCLUDE ( lob_data ) WITH ( FILLFACTOR = 100, MAXDOP = 1, SORT_IN_TEMPDB = ON ); GO DROP INDEX [IX dbo.LOBtest some_value (lob_data)] ON dbo.LOBtest; Remember that SQL Server only enforces uniqueness on index keys (the some_data column).  The lob_data column is simply stored at the leaf-level of the non-clustered index.  With that in mind, we might expect this change to make very little difference.  Let’s see: UPDATE dbo.LOBtest WITH (TABLOCKX) SET some_value = some_value - 1; Whoa!  Now look at the elapsed time and logical reads: Scan count 1, logical reads 2016, physical reads 0, read-ahead reads 0, lob logical reads 36015, lob physical reads 0, lob read-ahead reads 15992.   CPU time = 172 ms, elapsed time = 16172 ms. Even with all the data and index pages in memory, the query took over 16 seconds to update just 1,000 rows, performing over 52,000 LOB logical reads (nearly 16,000 of those using read-ahead). Why on earth is SQL Server reading LOB data in a query that only updates a single integer column? The Query Plan The query plan for test 3 looks a bit more complex than before: In fact, the bottom level is exactly the same as we saw with the non-unique index.  The top level has heaps of new stuff though, which I’ll come to in a moment. You might be expecting to find that the Clustered Index Scan is now reading the lob_data column (for some reason).  After all, we need to explain where all the LOB logical reads are coming from.  Sadly, when we look at the properties of the Clustered Index Scan, we see exactly the same as before: SQL Server is still only reading the pk and some_value columns – so what’s doing the LOB reads? Updates that Sneakily Read Data We have to go as far as the Clustered Index Update operator before we see LOB data in the output list: [Expr1020] is a bit flag added by an earlier Compute Scalar.  It is set true if the some_value column has not been changed (part of the non-updating updates optimization I mentioned earlier). The Clustered Index Update operator adds two new columns: the lob_data column, and some_value_OLD.  The some_value_OLD column, as the name suggests, is the pre-update value of the some_value column.  At this point, the clustered index has already been updated with the new value, but we haven’t touched the nonclustered index yet. An interesting observation here is that the Clustered Index Update operator can read a column into the data flow as part of its update operation.  SQL Server could have read the LOB data as part of the initial Clustered Index Scan, but that would mean carrying the data through all the operations that occur prior to the Clustered Index Update.  The server knows it will have to go back to the clustered index row to update it, so it delays reading the LOB data until then.  Sneaky! Why the LOB Data Is Needed This is all very interesting (I hope), but why is SQL Server reading the LOB data?  For that matter, why does it need to pass the pre-update value of the some_value column out of the Clustered Index Update? The answer relates to the top row of the query plan for test 3.  I’ll reproduce it here for convenience: Notice that this is a wide (per-index) update plan.  SQL Server used a narrow (per-row) update plan in test 2, where the Clustered Index Update took care of maintaining the nonclustered index too.  I’ll talk more about this difference shortly. The Split/Sort/Collapse combination is an optimization, which aims to make per-index update plans more efficient.  It does this by breaking each update into a delete/insert pair, reordering the operations, removing any redundant operations, and finally applying the net effect of all the changes to the nonclustered index. Imagine we had a unique index which currently holds three rows with the values 1, 2, and 3.  If we run a query that adds 1 to each row value, we would end up with values 2, 3, and 4.  The net effect of all the changes is the same as if we simply deleted the value 1, and added a new value 4. By applying net changes, SQL Server can also avoid false unique-key violations.  If we tried to immediately update the value 1 to a 2, it would conflict with the existing value 2 (which would soon be updated to 3 of course) and the query would fail.  You might argue that SQL Server could avoid the uniqueness violation by starting with the highest value (3) and working down.  That’s fine, but it’s not possible to generalize this logic to work with every possible update query. SQL Server has to use a wide update plan if it sees any risk of false uniqueness violations.  It’s worth noting that the logic SQL Server uses to detect whether these violations are possible has definite limits.  As a result, you will often receive a wide update plan, even when you can see that no violations are possible. Another benefit of this optimization is that it includes a sort on the index key as part of its work.  Processing the index changes in index key order promotes sequential I/O against the nonclustered index. A side-effect of all this is that the net changes might include one or more inserts.  In order to insert a new row in the index, SQL Server obviously needs all the columns – the key column and the included LOB column.  This is the reason SQL Server reads the LOB data as part of the Clustered Index Update. In addition, the some_value_OLD column is required by the Split operator (it turns updates into delete/insert pairs).  In order to generate the correct index key delete operation, it needs the old key value. The irony is that in this case the Split/Sort/Collapse optimization is anything but.  Reading all that LOB data is extremely expensive, so it is sad that the current version of SQL Server has no way to avoid it. Finally, for completeness, I should mention that the Filter operator is there to filter out the non-updating updates. Beating the Set-Based Update with a Cursor One situation where SQL Server can see that false unique-key violations aren’t possible is where it can guarantee that only one row is being updated.  Armed with this knowledge, we can write a cursor (or the WHILE-loop equivalent) that updates one row at a time, and so avoids reading the LOB data: SET NOCOUNT ON; SET STATISTICS XML, IO, TIME OFF;   DECLARE @PK INTEGER, @StartTime DATETIME; SET @StartTime = GETUTCDATE();   DECLARE curUpdate CURSOR LOCAL FORWARD_ONLY KEYSET SCROLL_LOCKS FOR SELECT L.pk FROM LOBtest L ORDER BY L.pk ASC;   OPEN curUpdate;   WHILE (1 = 1) BEGIN FETCH NEXT FROM curUpdate INTO @PK;   IF @@FETCH_STATUS = -1 BREAK; IF @@FETCH_STATUS = -2 CONTINUE;   UPDATE dbo.LOBtest SET some_value = some_value - 1 WHERE CURRENT OF curUpdate; END;   CLOSE curUpdate; DEALLOCATE curUpdate;   SELECT DATEDIFF(MILLISECOND, @StartTime, GETUTCDATE()); That completes the update in 1280 milliseconds (remember test 3 took over 16 seconds!) I used the WHERE CURRENT OF syntax there and a KEYSET cursor, just for the fun of it.  One could just as well use a WHERE clause that specified the primary key value instead. Clustered Indexes A clustered index is the ultimate index with included columns: all non-key columns are included columns in a clustered index.  Let’s re-create the test table and data with an updatable primary key, and without any non-clustered indexes: IF OBJECT_ID(N'dbo.LOBtest', N'U') IS NOT NULL DROP TABLE dbo.LOBtest; GO CREATE TABLE dbo.LOBtest ( pk INTEGER NOT NULL, some_value INTEGER NULL, lob_data VARCHAR(MAX) NULL, another_column CHAR(5) NULL, CONSTRAINT [PK dbo.LOBtest pk] PRIMARY KEY CLUSTERED (pk ASC) ); GO DECLARE @Data VARCHAR(MAX); SET @Data = REPLICATE(CONVERT(VARCHAR(MAX), 'x'), 65540);   WITH Numbers (n) AS ( SELECT ROW_NUMBER() OVER (ORDER BY (SELECT 0)) FROM master.sys.columns C1, master.sys.columns C2 ) INSERT LOBtest WITH (TABLOCKX) ( pk, some_value, lob_data ) SELECT TOP (1000) N.n, N.n, @Data FROM Numbers N WHERE N.n <= 1000; Now here’s a query to modify the cluster keys: UPDATE dbo.LOBtest SET pk = pk + 1; The query plan is: As you can see, the Split/Sort/Collapse optimization is present, and we also gain an Eager Table Spool, for Halloween protection.  In addition, SQL Server now has no choice but to read the LOB data in the Clustered Index Scan: The performance is not great, as you might expect (even though there is no non-clustered index to maintain): Table 'LOBtest'. Scan count 1, logical reads 2011, physical reads 0, read-ahead reads 0, lob logical reads 36015, lob physical reads 0, lob read-ahead reads 15992.   Table 'Worktable'. Scan count 1, logical reads 2040, physical reads 0, read-ahead reads 0, lob logical reads 34000, lob physical reads 0, lob read-ahead reads 8000.   SQL Server Execution Times: CPU time = 483 ms, elapsed time = 17884 ms. Notice how the LOB data is read twice: once from the Clustered Index Scan, and again from the work table in tempdb used by the Eager Spool. If you try the same test with a non-unique clustered index (rather than a primary key), you’ll get a much more efficient plan that just passes the cluster key (including uniqueifier) around (no LOB data or other non-key columns): A unique non-clustered index (on a heap) works well too: Both those queries complete in a few tens of milliseconds, with no LOB reads, and just a few thousand logical reads.  (In fact the heap is rather more efficient). There are lots more fun combinations to try that I don’t have space for here. Final Thoughts The behaviour shown in this post is not limited to LOB data by any means.  If the conditions are met, any unique index that has included columns can produce similar behaviour – something to bear in mind when adding large INCLUDE columns to achieve covering queries, perhaps. Paul White Email: [email protected] Twitter: @PaulWhiteNZ

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  • CodePlex Daily Summary for Saturday, April 24, 2010

    CodePlex Daily Summary for Saturday, April 24, 2010New ProjectsAutoWorkLoad: Is an application intended to load hours to accounting system such as TimeTracker automatically.Chemistry Add-in for Word: The Chemistry Add-in for Word makes it easier for students, chemists, and researchers to insert and modify chemical information, such as labels, fo...Exceptional Visualizer: A Debugger Visualizer for VS 2008 that allows for effective visual tracing of an Exception stack. Useful for Unity Resolution Exceptions as seen i...FTE Owner Requirement: FIM 2010 Activity: Forefront Identity Manager 2010 (FIM) activity designed to ensure that group object has at least one assigned Full Time Employee owner. This policy...Globus CB: Group project 2009-2010Highlighterr for Visual C++ 2010: A simple code syntax highlighter to change the colors of classes, structs, interfaces, macros and typedefs in the Visual C++ 2010 IDE. It is implem...HTML to word (.doc): easy to export your HTML code to Microsoft Word (.doc extension)IETT Hat Güzergah Importer: http://www.iett.gov.tr sitesinden otobüs hat ve güzergahlarını indirerek RegEx ile parse eder. Elde ettiği verileri SQL Server'a kaydeder.Industrial Dashboard: WCF service that allows executing SQL Server stored procedures straight from javascript code, enabling sending and receiving structured data withou...iSafePDF: iSafePDF is a PDF protection software. it allows you to encrypt PDF document, signe them using a certificate and timestamp the signature. all those...Kordinat Dönüştürücü: * UTM Koordinatlardan DDD koordinatlara iki yönlü dönüşüm. * Google Earth üzerinde koordinat, polygon ve ruhsat gösterimi. * Türkiye Paftalarının...LinkedIn® for Windows Mobile: LinkedIn® for Windows Mobile brings your LinkedIn® account to your Window Mobile powered phone. See networkupdates / connections / profile etc. Macrosome: An F# project demonstrates recording and replaying user operations.Markov Text Generator: Markov Text Generator.MEFedMVVM: Library for building MEF MVVM applications for Silverlight and WPF. By using this library you can easily build MVVM application. *UNDER Constructi...Mercurial to Team Foundation Server Work Item Hook: This is a Mercurial hook that will mark Team Foundation Server work items as resolved with a specific format in the commit description.Metaball WPF HLSL: Metaballs in WPF 3 with pixel shaders.Project Audiophile: Project Audiophile is a suite of applications and libraries built for .Net and Mono for the purposes of listening and organising music.RSS Application Updater: A Libbrary that helps you to update your app from your web site's feed. works very good with drupal .Sherwood Content Management Suite: A project that aims to provide a powerful and flexible tool for aggregating data from different data sources. Add your own plugins to store wanted ...Sonic.Net: Sonic.Net is a .Net Library designed to facilitate development of rich client applications both in Silverlight and WPF. Sonic.Net makes use of all ...StoichiometriCS: Stoichiometric Chemical Equation Solver.Vate Game Engine: Vate is a new XNA Game Engine. For more information about this project, please visit http://blog.aphysoft.com.Yahoo OpenID YQL Demo: This is demo program how to use Yahoo OpenID and Yahoo Query Language (YQL)New ReleasesBasic Sprite Sheet Creator: Sprite Tool V1.11: I had a small error when using multiple animations without the one pixel border that I overlooked when rewriting the code. It should be completely ...Braintree Client Library: Braintree-2.0.0: Updated IsSuccess() on transaction results to return false on declined transactions Search results now implement IEnumerable and will automatical...BV Commerce 5 Import Export Tools: Version 5.7.0 (for BV Commerce 5.7): Updated version compatible with BV Commerce 5.7. Do not use on earlier versions.Chemistry Add-in for Word: Chemistry Add-in for Word Beta 2: This is the source code release of the Chemistry Add-in for Word Beta 2. System Requirements To run this software, you’ll need the following: Wind...Controlled Vocabulary: 1.0.0.5: System Requirements Outlook 2007 / 2010 .Net Framework 3.5 VSTO 2010 Runtime Installation 1. Close Outlook (Use Task Manager to ensure no running ...DotNetNuke® Store: 02.01.33 RC: What's New in this release? Bugs corrected: - Fixed a bug related to encryption cookie. New Features: - Adden token pair [IFLOGGED] [/IFLOGGED] us...EdiliOS: Beta 0.2.1: Aggiunto supporto a FidoCadJ, editor FidoCad multipiattaforma di Davide Bucci, con Libreria di Ingegneria Civile integrata.Event Scavenger: Admin tool Version 3.1.1: Fixed the Admin tool that fails on editing general settings. Only Admin tool is affected.Exceptional Visualizer: Exception Visualizer: A Debugger Visualizer to help with long chains of exceptions where digging through the inner exceptions is hard to do. Specifically, this release ...fracback: Binaries: Use at your own riskFree Silverlight & WPF Chart Control - Visifire: Visifire for SL 4 and WPF Charts 3.5.1 Released: Hi, This release contains fix for the following bug: Chart threw exception with DateTime axis if IntervalType property was set as ‘Minutes’ in Ax...Free Silverlight & WPF Chart Control - Visifire: Visifire Silverlight and WPF Charts 3.0.8 Released: Hi, This release contains fix for the following bug: * Chart threw exception with DateTime axis if IntervalType property was set as ‘Minutes’...GeoUtility Library: GeoUtility Library 3.1.5.0: Please Note: This is an open source version. The commercial version offers much more functionality. Help files (english/german) are only available ...Highlighterr for Visual C++ 2010: Highlighterr for Visual C++ 2010 Test Release 1.0: To install the extension, download the and then double-click on the Highlighterr.vsix file. This should bring up a dialog saying something about wh...Highlighterr for Visual C++ 2010: Highlighterr for Visual C++ 2010 Test Release 1.01: The lack of support for /* */ comments was annoying me, so I added it. To install the extension, download the and then double-click on the Highlig...Home Access Plus+: v4.0.1.0: v4.0.1.0 Beta Change Log: Fixed an issue with laptops and the booking system (CSS and code fixes) Moved filters to top Added some Javascript to...HTML to word (.doc): FullSourceDownload: the full source contain: bin/AppWebdx7wusqu.dll Default.aspx htw.ascx htw.ascx.vb Web.configIndustrial Dashboard: 3.0 Beta: Added Example with Dojox.DataGrid Added Example with Ext.js ChartiSafePDF: iSafePDF v1.2: This is the first public release, this version support : PDF signature, timestamped signature, multi-signature, PDF encryption and meta-data modifi...linq.js - LINQ for JavaScript: ver 2.0.0.0: all code rewrite from scratch. enumerator support Dispose. namespace changed E, Linq.Enumerable -> Enumerable delete methods ToJSON ToTable Trace...LogikBug's IoC Container: Third Release: This project is dependent upon Microsoft.Practices.ServiceLocation and must be referenced when referencing LogikBug.Injection. Click here to view d...Macrosome: 0.0.1 preview: Key pointsOnly mouse clicks supported Just for preview: not stable How to useStart from Macrosome.Wpf.exe Click "Record" button will start oper...Mercurial to Team Foundation Server Work Item Hook: Version 0.1: This is the first version of the Mercurial to Team Foundation Server hook. It currently supports only adding comments to existing work items.MOSSDAL: MOSS Data Access Layer for data from the Sharepoint Lists Service: MOSSDAL Silverlight Framework Release 1: This is the first release of MOSSDAL for silverlight. For the MOSSDAL Framework for .NET release 1 click hereMOSSDAL: MOSS Data Access Layer for data from the Sharepoint Lists Service: MOSSDAL Silverlight Sample Release 1: This is the first release of the MOSSDAL framework samples for Silverlight. For the MOSSDAL .NET Release 1 Sample click hereMyWSAT - ASP.NET Membership Administration Tool: MyWSAT v3.5.1: MyWSAT 3.5.1 Update Notes - April 23rd 2010 1.) Fixed standard profile problem in web.config as well as on all the forms the profiles are used. The...NetPE: NetPE v1.0: Initial Release of NetPE. Features: -View & Editing Portable Executable -Hex editor -Full Metadata Support -Disassemble Cil/x86 codeNSIS Autorun: NSIS Autorun 0.1.1: NSIS Autorun 0.1.1 This release includes source code, application binary, and example materials.Over Store: OverStore Release 1.17.0.0: Version 1.17.0.0 - AdoNetStorage: AdoNetStorage refactored. Detailed Log messages added on each event. Database resource management moved to A...RoTwee: RoTwee (11.0.0.3): Fix for "17385 Remove saved degree val from code"Silverlight 4.0 Popup Menu: Popup Menu for Silverlight 4.0: This is the first project release. Added drop shadow and fade in effects. Left click and hover events are also supported.Silverlight 4.0 Popup Menu: Popup menu for Silverlight 4.0 Version 0.8: - Placed the invoker for the 'Opening' event handler within a dispatcher. This ensures that the visual tree is created before it is accessed.sNPCedit: sNPCedit v0.9: + Some changes in GUI and Behaviour + Added: Search functionSonic.Net: Sonic.Net v1.0.0: Sonic.Net v1.0.0 Targets Net 3.5 sp1 and Sinverlight 3 Includes: sonic.UnityConfiguration.Silverlight sonic.UnityConfiguration.WpfSurvey - web survey & form engine: Survey™ 1.2.1: Survey™ 1.2.1 release (based on the original Nsurvey 1.9.1. source files) New Features & fixes: 1. Final bits of code rewritten to become 100% ...SysPad: 4.10.10.2: Release Notes A folder management and scratchpad utility; especially useful in a business network setting that utilizes numerous, commonly used fol...Third Hand - Use your voice to control Visual Studio: Update for VS2010: Added support for VS2010, and minor improvements when using the grid.TiledLib: TiledLib 1.2: - Added overload of Map.Draw that specifies the area to draw - Added demo of a camera control for a mapXMLPreprocess: 2.0.12: What's new in this release: This release contains a number of enhancements based on feedback given through the discussion forums and issue tracker....Xrns2XMod: Xrns2Xmod 0.8: Added >> Real preliminary sound conversion for XM >> Some code optimizations Note Some samples might not be converted due to a flac parsing error ...Yahoo OpenID YQL Demo: Yahoo YQL .Net Demo: This is a demo program for using YQL with C#.netYahoo OpenID YQL Demo: YQL Demo: This is a demo program using Yahoo YQL with C#.NetYahoo OpenID YQL Demo: YQLDemo using .Net: This is a demo program for using Yahoo YQL with C#.NetMost Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitSilverlight ToolkitMicrosoft SQL Server Product Samples: Databasepatterns & practices – Enterprise LibraryWindows Presentation Foundation (WPF)ASP.NETMicrosoft SQL Server Community & SamplesPHPExcelMost Active Projectspatterns & practices – Enterprise LibraryRawrBlogEngine.NETParticle Plot PivotNB_Store - Free DotNetNuke Ecommerce Catalog ModuleDotNetZip LibraryGMap.NET - Great Maps for Windows Forms & Presentationturing machine simulatorIonics Isapi Rewrite Filterpatterns & practices: Composite WPF and Silverlight

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  • Markus Zirn, "Big Data with CEP and SOA" @ SOA, Cloud &amp; Service Technology Symposium 2012

    - by JuergenKress
    ORACLE PROMOTIONAL DISCOUNT FOR EXCLUSIVE ORACLE DISCOUNT, ENTER PROMO CODE: DJMXZ370 Early-Bird Registration is Now Open with Special Pricing! Register before July 1, 2012 to qualify for discounts. Visit the Registration page for details. The International SOA, Cloud + Service Technology Symposium is a yearly event that features the top experts and authors from around the world, providing a series of keynotes, talks, demonstrations, and panels, as well as training and certification workshops - all dedicated to empowering IT professionals to realize modern service technologies and practices in the real world. Click here for a two-page printable conference overview (PDF). Big Data with CEP and SOA - September 25, 2012 - 14:15 Speaker: Markus Zirn, Oracle and Baz Kuthi, Avocent The "Big Data" trend is driving new kinds of IT projects that process machine-generated data. Such projects store and mine using Hadoop/ Map Reduce, but they also analyze streaming data via event-driven patterns, which can be called "Fast Data" complementary to "Big Data". This session highlights how "Big Data" and "Fast Data" design patterns can be combined with SOA design principles into modern, event-driven architectures. We will describe specific architectures that combines CEP, Distributed Caching, Event-driven Network, SOA Composites, Application Development Framework, as well as Hadoop. Architecture patterns include pre-processing and filtering event streams as close as possible to the event source, in memory master data for event pattern matching, event-driven user interfaces as well as distributed event processing. Focus is on how "Fast Data" requirements are elegantly integrated into a traditional SOA architecture. Markus Zirn is Vice President of Product Management covering Oracle SOA Suite, SOA Governance, Application Integration Architecture, BPM, BPM Solutions, Complex Event Processing and UPK, an end user learning solution. He is the author of “The BPEL Cookbook” (rated best book on Services Oriented Architecture in 2007) as well as “Fusion Middleware Patterns”. Previously, he was a management consultant with Booz Allen & Hamilton’s High Tech practice in Duesseldorf as well as San Francisco and Vice President of Product Marketing at QUIQ. Mr. Zirn holds a Masters of Electrical Engineering from the University of Karlsruhe and is an alumnus of the Tripartite program, a joint European degree from the University of Karlsruhe, Germany, the University of Southampton, UK, and ESIEE, France. KEYNOTES & SPEAKERS More than 80 international subject matter experts will be speaking at the Symposium. Below are confirmed keynotes and speakers so far. Over 50% of the agenda has not yet been finalized. Many more speakers to come. View the partial program calendars on the Conference Agenda page. CONFERENCE THEMES & TRACKS Cloud Computing Architecture & Patterns New SOA & Service-Orientation Practices & Models Emerging Service Technology Innovation Service Modeling & Analysis Techniques Service Infrastructure & Virtualization Cloud-based Enterprise Architecture Business Planning for Cloud Computing Projects Real World Case Studies Semantic Web Technologies (with & without the Cloud) Governance Frameworks for SOA and/or Cloud Computing Projects Service Engineering & Service Programming Techniques Interactive Services & the Human Factor New REST & Web Services Tools & Techniques Oracle Specialized SOA & BPM Partners Oracle Specialized partners have proven their skills by certifications and customer references. To find a local Specialized partner please visit http://solutions.oracle.com SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: Markus Zirn,SOA Symposium,Thomas Erl,SOA Community,Oracle SOA,Oracle BPM,BPM Community,OPN,Jürgen Kress

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  • Take,Skip and Reverse Operator in Linq

    - by Jalpesh P. Vadgama
    I have found three more new operators in Linq which is use full in day to day programming stuff. Take,Skip and Reverse. Here are explanation of operators how it works. Take Operator: Take operator will return first N number of element from entities. Skip Operator: Skip operator will skip N number of element from entities and then return remaining elements as a result. Reverse Operator: As name suggest it will reverse order of elements of entities. Here is the examples of operators where i have taken simple string array to demonstrate that. C#, using GeSHi 1.0.8.6 using System; using System.Collections.Generic; using System.Linq; using System.Text;     namespace ConsoleApplication1 {     class Program     {         static void Main(string[] args)         {             string[] a = { "a", "b", "c", "d" };                           Console.WriteLine("Take Example");             var TkResult = a.Take(2);             foreach (string s in TkResult)             {                 Console.WriteLine(s);             }               Console.WriteLine("Skip Example");             var SkResult = a.Skip(2);             foreach (string s in SkResult)             {                 Console.WriteLine(s);             }               Console.WriteLine("Reverse Example");             var RvResult = a.Reverse();             foreach (string s in RvResult)             {                 Console.WriteLine(s);             }                       }     } } Parsed in 0.020 seconds at 44.65 KB/s Here is the output as expected. hope this will help you.. Technorati Tags: Linq,Linq-To-Sql,ASP.NET,C#.NET

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  • Software development stack 2012

    A couple of months ago, I posted on Google+ about my evaluation period for a new software development stack in general. "Analysing existing 'jungle' of multiple applications and tools in various languages for clarification and future design decisions. Great fun and lots of headaches... #DevelopersLife" Surprisingly, there was response... ;-) - And this series of articles is initiated by this post. Thanks Olaf. The past few years... Well, after all my first choice of software development in the past was Microsoft Visual FoxPro 6.0 - 9.0 in combination with Microsoft SQL Server 2000 - 2008 and Crystal Reports 9.x - XI. Honestly, it is my main working environment due to exisiting maintenance and support plans with my customers, but also for new project requests. And... hands on, it is still my first choice for data manipulation and migration options. But the earth is spinning, and as a software craftsman one has to be flexible with the choice of tools. In parallel to my knowledge and expertise in the above mentioned tools, I already started very early to get my hands dirty with the Microsoft .NET Framework. If I remember correctly, I started back in 2002/2003 with the first version ever. But this was more out of curiousity. During the years this kind of development got more serious and demanding, and I focused myself on interop and integrational libraries and applications. Mainly, to expose exisitng features of the .NET Framework to Visual FoxPro - I even had a session about that at the German Developer's Conference in Frankfurt. Observation of recent developments With the recent hype on Javascript and HTML5, especially for Windows 8 and Windows Phone 8 development, I had several 'Deja vu' events... Back in early 2006 (roughly) I had a conversation on the future of Web and Desktop development with my former colleagues Golo Roden and Thomas Wilting about the underestimation of Javascript and its root as a prototype-based, dynamic, full-featured programming language. During this talk with them I took the Mozilla applications, namely Firefox and Thunderbird, as a reference which are mainly based on XML, CSS, Javascript and images - besides the core rendering engine. And that it is very simple to write your own extensions for the Gecko rendering engine. Looking at the Windows Vista Sidebar widgets, just underlines this kind of usage. So, yes the 'Modern UI' of Windows 8 based on HTML5, CSS3 and Javascript didn't come as any surprise to me. Just allow me to ask why did it take so long for Microsoft to come up with this step? A new set of tools Ok, coming from web development in HTML 4, CSS and Javascript prior to Visual FoxPro, I am partly going back to that combination of technologies. What is the other part of the software development stack here at IOS Indian Ocean Software Ltd? Frankly, it is easy and straight forward to describe: Microsoft Visual FoxPro 9.0 SP 2 - still going strong! Visual Studio 2012 (C# on latest .NET Framework) MonoDevelop Telerik DevCraft Suite WPF ASP.NET MVC Windows 8 Kendo UI OpenAccess ORM Reporting JustCode CODE Framework by EPS Software MonoTouch and Mono for Android Subversion and additional tools for the daily routine: Notepad++, JustCode, SQL Compare, DiffMerge, VMware, etc. Following the principles of Clean Code Developer and the Agile Manifesto Actually, nothing special about this combination but rather a solid fundament to work with and create line of business applications for customers.Honestly, I am really interested in your choice of 'weapons' for software development, and hopefully there might be some nice conversations in the comment section. Over the next coming days/weeks I'm going to describe a little bit more in detail about the reasons for my decision. Articles will be added bit by bit here as reference, too. Please bear with me... Regards, JoKi

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  • So No TECH job so far.

    - by Ratman21
    O I found some temp work for the US Census and I have managed to keep the house (so far) but, it looks like I/we are going to have to do a short sale and the temp job will be ending soon.   On top of that it looks like the unemployment fund for me is drying up. I will have about one month left after the Census job is done. I am now down to Appling for work at the KFC.   This is type a work I started with, before I was a tech geek and really I didn’t think I would be doing this kind of work in my later years but, I have a wife and kid. So I got to suck it up and do it.   Oh and here is my new resume…go ahead I know you want to tare it up. I really don’t care any more.   Scott L. Newman 45219 Dutton Way, Callahan, FL32011 H: (904)879-4880 C: (352)356-0945 E: [email protected] Web:  http://beingscottnewman.webs.com/                                                       ______                                                                                 OBJECTIVE To obtain a Network or Technical support position     KEYWORD SUMMARY CompTIA A+, Network+, and Security+ Certified., Network Operation, Technical Support, Client/Vendor Relations, Networking/Administration, Cisco Routers/Switches, Helpdesk, Microsoft Office Suite, Website Design/Dev./Management, Frame Relay, ISDN, Windows NT/98/XP, Visio, Inventory Management, CICS, Programming, COBOL IV, Assembler, RPG   QUALIFICATIONS SUMMARY Twenty years’ experience in computer operations, technical support, and technical writing. Also have two and half years’ experience in internet / intranet operations.   PROFESSIONAL EXPERIENCE October 2009 – Present*   Volunteer Web site and PC technician – Part time       True Faith Christian Fellowship Church – Callahan, FL, Project: Create and maintain web site for Church to give it a worldwide exposure Aug 2008 – September 2009:* Volunteer Church sound and video technician – Part time      Thomas Creek Baptist Church – Callahan, FL   *Note Jobs were for the learning and/or keeping updated on skills, while looking for a tech job and training for new skills.   February 2005 to October 2008: Client Server Dev/Analyst I, Fidelity National Information Services, Jacksonville, FL (FNIS acquired Certegy in 2005 and out of 20 personal, was one of three kept on.) August 2003 to February 2005: Senior NetOps Operator, Certegy, St.Pete, Fl. (August 2003, Certegy terminated contract with EDS and out of 40 personal, was one of six kept on.) Projects: Creation and update of listing and placement for all raised floor equipment at St.Pete site. Listing was made up of, floor plan of the raised floor and equipment racks diagrams showing the placement of all devices using Visio. This was cross-referenced with an inventory excel document showing what dept was responsible for each device. Sole creator of Network operation and Server Operation procedures guide (NetOps Guide).  Expertise: Resolving circuit and/or router issues or assist circuit carrier in resolving issue from the company Network Operation Center (NOC). As well as resolving application problems or assist application support in resolution of it.     July 1999 to August 2003: Senior NetOps Operator,EDS (Certegy Account), St.Pete, FL Same expertise and on going projects as listed above for FNIS/Certegy. (Equifax outsourced the NetOps dept. to EDS in 1999)         January 1991 to July 1999: NetOps/Tandem Operator, Equifax, St.Pete & Tampa, FL Same as all of the above for FNIS/Certegy/EDS except for circuit and router issues   EDUCATION ? New Horizons Computer Learning Center, Jacksonville, Florida - CompTIA A+, Security+, and     Network+ Certified.                        Currently working on CCNA Certification 07/30/10 ? Mott Community College, Flint, Michigan – Associates Degree - Data Processing and General Education ? Currently studying Japanese

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  • SQL SERVER – List of All the Samples Database Available to Download for FREE

    - by Pinal Dave
    It is pretty much very common to have a sample database for any database product. Different companies keep on improving their product and keep on coming up with innovation in their product. To demonstrate the capability of their new enhancements they need the sample database. Microsoft have various sample database available for free download for their SQL Server Product. I have collected them here in a single blog post. Download an AdventureWorks Database The AdventureWorks OLTP database supports standard online transaction processing scenarios for a fictitious bicycle manufacturer (Adventure Works Cycles). Scenarios include Manufacturing, Sales, Purchasing, Product Management, Contact Management, and Human Resources. Coconut Dal Coconut Dal is a lightweight data access layer, for use in projects where the Entity Framework cannot be used or Microsoft’s Enterprise Library Data Block is unsuitable. Anyone who is handwriting ADO.NET should use a library instead and Coconut Dal might be the answer.  DataBooster – Extension to ADO.NET Data Provider The dbParallel DataBooster library is a high-performance extension to ADO.NET Data Provider, includes two aspects: 1) A slimmed down API encapsulation which simplified the most common data access operations (DbConnection -> DbCommand -> DbParameter -> DbDataReader) into a single class DbAccess, to help application with a clean DAL, avoid over-packing and redundant-copy of data transfer. 2) A booster for writing mass data onto database. Base on a rational utilization of database concurrency and a effective utilization of network bandwidth. Tabular AMO 2012 The sample is made of two project parts. The first part is a library of functions to manage tabular models -AMO2Tabular V2-. The second part is a sample to build a tabular model -AdventureWorks Tabular AMO 2012- using the AMO2Tabular library; the created model is similar to the ‘AdventureWorks Tabular Model 2012. SQL Server Analysis Services Product Samples SQL Server Analysis Services provides, a unified and integrated view of all your business data as the foundation for all of your traditional reporting, online analytical processing (OLAP) analysis, Key Performance Indicator (KPI) scorecards, and data mining. Analysis Services Samples for SQL Server 2008 R2 This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples you will also need to download the AdventureWorks family of databases. SQL Server Reporting Services Product Samples This project contains Reporting Services samples released with Microsoft SQL Server product. These samples are in the following five categories: Application Samples, Extension Samples, Model Samples, Report Samples, and Script Samples. If you are interested in contributing Reporting Services samples, please let us know by posting in the developers’ forum. Reporting Services Samples for SQL Server 2008 R2 This release is dedicated to the samples that ship for Microsoft SQL Server 2008 R2 PCU1. For many of these samples you will also need to download the AdventureWorks family of databases. SQL Server Integration Services Product Samples This project contains Integration Services samples released with Microsoft SQL Server product. These samples are in the following two categories: Package Samples and Programming Samples. If you are interested in contributing Integration Services samples, please let us know by posting in the developers’ forum. Integration Services Samples for SQL Server 2008 R2 This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples you will also need to download the AdventureWorks family of databases. Windows Azure SQL Reporting Admin Sample The SQLReportingAdmin sample for Windows Azure SQL Reporting demonstrates the usage of SQL Reporting APIs, and manages (add/update/delete) permissions of SQL Reporting users. Windows Azure SQL Reporting ReportViewer-SOAP API usage sample These sample projects demonstrate how to embed a Microsoft ReportViewer control that points to reports hosted on SQL Reporting report servers and how to use SQL Reporting SOAP APIs in your Windows Azure Web application. Enterprise Library 5.0 – Integration Pack for Windows Azure This NuGet package contains a zip file with the source code for the Enterprise Library Integration Pack for Windows Azure.  Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: SQL Sample Database

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  • CodePlex Daily Summary for Friday, February 11, 2011

    CodePlex Daily Summary for Friday, February 11, 2011Popular ReleasesSnoop, the WPF Spy Utility: Snoop 2.6.1: This release is a bug fixing release. Most importantly, issues have been seen around WPF 4.0 applications not always showing up in the app chooser. Hopefully, they are fixed now. I thought this issue warranted a minor release since more and more people are going WPF 4.0 and I don't want anyone to have any problems. Dan Hanan also contributes again with several usability features. Thanks Dan! Happy Snooping! p.s. By request, I am also attaching a .zip file ... so that people can install it ...RIBA - Rich Internet Business Application for Silverlight: Preview of MVVM Framework Source + Tutorials: This is a first public release of the MVVM Framework which is part of the final RIBA application. The complete RIBA example LOB application has yet to be published. Further Documentation on the MVVM part can be found on the Blog, http://www.SilverlightBlog.Net and in the downloadable source ( mvvm/doc/ ). Please post all issues and suggestions in the issue tracker.SharePoint Learning Kit: 1.5: SharePoint Learning Kit 1.5 has the following new functionality: *Support for SharePoint 2010 *E-Learning Actions can be localised *Two New Document Library Edit Options *Automatically add the Assignment List Web Part to the Web Part Gallery *Various Bug Fixes for the Drop Box There are 2 downloads for this release SLK-1.5-2010.zip for SharePoint 2010 SLK-1.5-2007.zip for SharePoint 2007 (WSS3 & MOSS 2007)Facebook C# SDK: 5.0.3 (BETA): This is fourth BETA release of the version 5 branch of the Facebook C# SDK. Remember this is a BETA build. Some things may change or not work exactly as planned. We are absolutely looking for feedback on this release to help us improve the final 5.X.X release. For more information about this release see the following blog posts: Facebook C# SDK - Writing your first Facebook Application Facebook C# SDK v5 Beta Internals Facebook C# SDK V5.0.0 (BETA) Released We have spend time trying ...NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel Template, version 1.0.1.161: The NodeXL Excel template displays a network graph using edge and vertex lists stored in an Excel 2007 or Excel 2010 workbook. What's NewThis release adds a new Twitter List network importer, makes some minor feature improvements, and fixes a few bugs. See the Complete NodeXL Release History for details. Installation StepsFollow these steps to install and use the template: Download the Zip file. Unzip it into any folder. Use WinZip or a similar program, or just right-click the Zip file...WatchersNET.TagCloud: WatchersNET.TagCloud 01.09.03: Whats NewAdded New Skin TagTastic http://www.watchersnet.de/Portals/0/screenshots/dnn/TagCloud-TagTastic-Skin.jpg Added New Skin RoundedButton http://www.watchersnet.de/Portals/0/screenshots/dnn/TagCloud-RoundedButton-Skin.jpg changes Tag Count fixed on Tag Source Referrals Fixed Tag Count when multiple Tag Sources are usedExtremeML: ExtremeML v1.0 Beta 3: VS solution source code updated for compatibility with VS2010 (accommodates VS2010 breaking changes in T4 template support).Finestra Virtual Desktops: 1.1: This release adds a few more performance and graphical enhancements to 1.0. Switching desktops is now about as fast as you can blink. Desktop switching optimizations New welcome wizard for Vista/7 Fixed a few minor bugs Added a few more options to the options dialog (including ability to disable the taskbar switching)WCF Data Services Toolkit: WCF Data Services Toolkit: The source code and binary releases of the WCF Data Services Toolkit. For simplicity, the source code download doesn't include any of the MSTest files. If you want those, you can pull the code down via MercurialyoutubeFisher: youtubeFisher 3.0 [beta]: What's new: Video capturing improved Supports YouTube's new layout (january 2011) Internal refactoringNearforums - ASP.NET MVC forum engine: Nearforums v5.0: Version 5.0 of the ASP.NET MVC Forum Engine, containing the following improvements: .NET 4.0 as target framework using ASP.NET MVC 3. All views migrated to Razor for cleaner markup. Alternate template (Layout file) for mobile devices 4 Bug Fixes since Version 4.1 Visit the project Roadmap for more details. Webdeploy package sha1 checksum: 28785b7248052465ea0738a7775e8e8744d84c27fuv: 1.0 release, codename Chopper Joe: features: search/replace :o to open file :s to save file :q to quitASP.NET MVC Project Awesome, jQuery Ajax helpers (controls): 1.7: A rich set of helpers (controls) that you can use to build highly responsive and interactive Ajax-enabled Web applications. These helpers include Autocomplete, AjaxDropdown, Lookup, Confirm Dialog, Popup Form, Popup and Pager html generation optimized new features for the lookup (add additional search data ) live demo went aeroEnhSim: EnhSim 2.3.6 BETA: 2.3.6 BETAThis release supports WoW patch 4.06 at level 85 To use this release, you must have the Microsoft Visual C++ 2010 Redistributable Package installed. This can be downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=A7B7A05E-6DE6-4D3A-A423-37BF0912DB84 To use the GUI you must have the .NET 4.0 Framework installed. This can be downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=9cfb2d51-5ff4-4491-b0e5-b386f32c0992 Changes since 2.3.0 ...TestApi - a library of Test APIs: TestApi v0.6: TestApi v0.6 comes with the following changes: TestApi code development has been moved to Codeplex: Moved TestApi soluton to VS 2010; Moved all source code to Codeplex. All development work is done there now. Fault Injection API: Integrated the unmanaged FaultInjectionEngine.dll COM component in the build; Cleaned up FaultInjectionEngine.dll to build at warning level 4; Implemented “FaultScope” which allows for in-process fault injection; Added automation scripts & sample program; ...AutoLoL: AutoLoL v1.5.5: AutoChat now allows up to 6 items. Items with nr. 7-0 will be removed! News page url's are now opened in the default browser Added a context menu to the system tray icon (thanks to Alex Banagos) AutoChat now allows configuring the Chat Keys and the Modifier Key The recent files list now supports compact and full mode Fix: Swapped mouse buttons are now properly detected Fix: Sometimes the Play button was pressed while still greyed out Champion: Karma Note: You can also run the u...mojoPortal: 2.3.6.2: see release notes on mojoportal.com http://www.mojoportal.com/mojoportal-2362-released.aspx Note that we have separate deployment packages for .NET 3.5 and .NET 4.0 The deployment package downloads on this page are pre-compiled and ready for production deployment, they contain no C# source code. To download the source code see the Source Code Tab I recommend getting the latest source code using TortoiseHG, you can get the source code corresponding to this release here.Rawr: Rawr 4.0.19 Beta: Rawr is now web-based. The link to use Rawr4 is: http://elitistjerks.com/rawr.phpThis is the Cataclysm Beta Release. More details can be found at the following link http://rawr.codeplex.com/Thread/View.aspx?ThreadId=237262 As of the 4.0.16 release, you can now also begin using the new Downloadable WPF version of Rawr!This is a pre-alpha release of the WPF version, there are likely to be a lot of issues. If you have a problem, please follow the Posting Guidelines and put it into the Issue Trac...IronRuby: 1.1.2: IronRuby 1.1.2 is a servicing release that keeps on improving compatibility with Ruby 1.9.2 and includes IronRuby integration to Visual Studio 2010. We decided to drop 1.8.6 compatibility mode in all post-1.0 releases. We recommend using IronRuby 1.0 if you need 1.8.6 compatibility. In this release we fixed several major issues: - problems that blocked Gem installation in certain cases - regex syntax: the parser was replaced with a new one that is much more compatible with Ruby 1.9.2 - cras...MVVM Light Toolkit: MVVM Light Toolkit V3 SP1 (4): There was a small issue with the previous release that caused errors when installing the templates in VS10 Express. This release corrects the error. Only use this if you encountered issues when installing the previous release. No changes in the binaries.New ProjectsAlchemySearch: A middleware application that allows the searching of Open Text's Alchemy application from a command line or from a calling application. C# .NET 4alltuan: all tuan infoasp.net mvc 2.0 ??????: asp.net mvc 2.0 ??????Basic Text File Generator: This is an investigatory development that creates text files from a windows forms app.bisolu_luc: nothing yetCriteria Pack for EPiServer CMS: This is a collection of useful criteria for extending the personalization mechanism, Visitor Groups, in EPiServer CMS 6 R2 (or later).CTRNN.NET: CTRNN.NET is a C# implementation of Continuous Time Recurrent Neural Networks.DXperience Toolkit: Complimentary controls and libraries from DevExpress.Excel Library for Small Basic: This library extend Small Basic to allows you to read or write contents of a cell in the Excel file from Small Basic program. ???????? Small Basic ????、Small Basic ??? Excel ???????????????????。HealthVault Eventing Sample: A sample application demonstrating the new HealthVault Eventing feature.Hitcents Blog - Example Code: Contains various source code examples from articles at http://www.hitcents.com/blog. Brought to you by Hitcents.INI Modifier: A proprietary application to amend users ini files for JBAe automatically from a central control file.issueIT.net - ”I just found the last bug”: issueIT is the best open source web-based issue tracker for .NET. It’s easy to customize to suit your organization. This project is not finished yet - it is only at a very early stage Leage of Legends Masteries Tool: -Small, portable and fast tool to help you set your masteries. -No Install. -Masteries saved in the same folder: "lolMasterSet.dat" (text file) How to use: - Run and then go to masteries tab in League of Legends luncher. You should see the overlay. Memory View controls: Memory View controls are a pair of controls for real time and static viewing and editing of a memory space. MemoryHexEditor is a hex editor that supports viewing and editing memory, and MemoryHeatMap is a time-based graphical view that shows how memory is read and written to.Moq Contrib: Community contributions to Moq.Operating System Basic: Sistema operacional desenvolvido em QuickBasic, durante minha adolecência.PAiRS - A WPF Memory Card Game: PAiRS is an implementation of a card matching game in which you are given an even number of cards face down in a grid, and you try to flip over 2 cards at a time to create a match until all cards are matched. PAiRS is built using C#, .Net 3.5+ and WPF.RIBA - Rich Internet Business Application for Silverlight: RIBA is an example LOB application with many features to show how to build distributed and secure Line of Business applications based on Silverlight 4. You can find the official blog on www.silverlightblog.netSearcher: Searcher is a Windows Phone project which allows you to quickly search using multiple search engines. SharePoint Term Store Powershell Utilities: An assortment of PowerShell script-based utilities to perform actions on the SharePoint Managed Metadata Term Store. PowerShell script-based utilities have been chosen rather than cmdlets as they are more suitable for environments that have strict installation policies.SmartHotelFoundation: Smart Hotel FoundationSumer Filemanager: This project ensured fully ajax based file management.The Open Source PMU: The Open Source PMU Project provides resources that enable you to build your own SynchroPhasor sensor for use with the openPDC project, research, development, or electric grid observation.Trail Blazer: Movie Trailer Fetcher - Downloads trailers for movies in a collection and saves them in movie folder. It is being developed as a companion to Meta Data Fetchers for the Media Browser project. It is being developed as a standalone C# app but a frontend in MCML is being considered.University Project Tracker: University Project TrackerVideo Backup Fusion: The complete and simply to use backup solution for video portalsWPF ShellFactory: WPF ShellFactory is an easy-to-use application framework for WPF, using a system derived from M-V-VM for its views. It supports multiple modules, either statically or dynamically loaded (i.e. plugins). It also contains mechanisms for application-wide services.

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  • ASP.NET Performance tip- Combine multiple script file into one request with script manager

    - by Jalpesh P. Vadgama
    We all need java script for our web application and we storing our JavaScript code in .js files. Now If we have more then .js file then our browser will create a new request for each .js file. Which is a little overhead in terms of performance. If you have very big enterprise application you will have so much over head for this. Asp.net Script Manager provides a feature to combine multiple JavaScript into one request but you must remember that this feature will be available only with .NET Framework 3.5 sp1 or higher versions.  Let’s take a simple example. I am having two javascript files Jscrip1.js and Jscript2.js both are having separate functions. //Jscript1.js function Task1() { alert('task1'); } Here is another one for another file. ////Jscript1.js function Task2() { alert('task2'); } Now I am adding script reference with script manager and using this function in my code like this. <form id="form1" runat="server"> <asp:ScriptManager ID="myScriptManager" runat="server" > <Scripts> <asp:ScriptReference Path="~/JScript1.js" /> <asp:ScriptReference Path="~/JScript2.js" /> </Scripts> </asp:ScriptManager> <script language="javascript" type="text/javascript"> Task1(); Task2(); </script> </form> Now Let’s test in Firefox with Lori plug-in which will show you how many request are made for this. Here is output of that. You can see 5 Requests are there. Now let’s do same thing in with ASP.NET Script Manager combined script feature. Like following <form id="form1" runat="server"> <asp:ScriptManager ID="myScriptManager" runat="server" > <CompositeScript> <Scripts> <asp:ScriptReference Path="~/JScript1.js" /> <asp:ScriptReference Path="~/JScript2.js" /> </Scripts> </CompositeScript> </asp:ScriptManager> <script language="javascript" type="text/javascript"> Task1(); Task2(); </script> </form> Now let’s run it and let’s see how many request are there like following. As you can see now we have only 4 request compare to 5 request earlier. So script manager combined multiple script into one request. So if you have lots of javascript files you can save your loading time with this with combining multiple script files into one request. Hope you liked it. Stay tuned for more!!!.. Happy programming.. Technorati Tags: ASP.NET,ScriptManager,Microsoft Ajax

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  • Upload Certificate and Key to RUEI in order to decrypt SSL traffic

    - by stefan.thieme(at)oracle.com
    So you want to monitor encrypted traffic with your RUEI collector ?Actually this is an easy thing if you follow the lines below...I will start out with creating a pair of snakeoil (so called self-signed) certificate and key with the make-ssl-cert tool which comes pre-packaged with apache only for the purpose of this example.$ sudo make-ssl-cert generate-default-snakeoil$ sudo ls -l /etc/ssl/certs/ssl-cert-snakeoil.pem /etc/ssl/private/ssl-cert-snakeoil.key-rw-r--r-- 1 root root     615 2010-06-07 10:03 /etc/ssl/certs/ssl-cert-snakeoil.pem-rw-r----- 1 root ssl-cert 891 2010-06-07 10:03 /etc/ssl/private/ssl-cert-snakeoil.keyRUEI Configuration of Security SSL Keys You will most likely get these two files from your Certificate Authority (CA) and/or your system administrators should be able to extract this from your WebServer or LoadBalancer handling SSL encryption for your infrastructure.Now let's look at the content of these two files, the certificate (apache assumes this is in PEM format) is called a public key and the private key is used by the apache server to encrypt traffic for a client using the certificate to initiate the SSL connection with the server.In case you already know that these two match, you simply have to paste them in one text file and upload this text file to your RUEI instance.$ sudo cat /etc/ssl/certs/ssl-cert-snakeoil.pem /etc/ssl/private/ssl-cert-snakeoil.key > /tmp/ruei.cert_and_key$ sudo cat /tmp/ruei.cert_and_key -----BEGIN CERTIFICATE----- MIIBmTCCAQICCQD7O3XXwVilWzANBgkqhkiG9w0BAQUFADARMQ8wDQYDVQQDEwZ1 YnVudHUwHhcNMTAwNjA3MDgwMzUzWhcNMjAwNjA0MDgwMzUzWjARMQ8wDQYDVQQD EwZ1YnVudHUwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBALbs+JnI+p+K7Iqa SQZdnYBxOpdRH0/9jt1QKvmH68v81h9+f1Z2rVR7Zrd/l+ruE3H9VvuzxMlKuMH7 qBX/gmjDZTlj9WJM+zc0tSk+e2udy9he20lGzTxv0vaykJkuKcvSWNk4WE9NuAdg IHZvjKgoTSVmvM1ApMCg69nyOy97AgMBAAEwDQYJKoZIhvcNAQEFBQADgYEAk2rv VEkxR1qPSpJiudDuGUHtWKBKWiWbmSwI3REZT+0vG+YDG5a55NdxgRk3zhQntqF7 gNYjKxblBByBpY7W0ci00kf7kFgvXWMeU96NSQJdnid/YxzQYn0dGL2rSh1dwdPN NPQlNSfnEQ1yxFevR7aRdCqTbTXU3mxi8YaSscE= -----END CERTIFICATE----- -----BEGIN RSA PRIVATE KEY----- MIICXgIBAAKBgQC27PiZyPqfiuyKmkkGXZ2AcTqXUR9P/Y7dUCr5h+vL/NYffn9W dq1Ue2a3f5fq7hNx/Vb7s8TJSrjB+6gV/4Jow2U5Y/ViTPs3NLUpPntrncvYXttJ Rs08b9L2spCZLinL0ljZOFhPTbgHYCB2b4yoKE0lZrzNQKTAoOvZ8jsvewIDAQAB AoGBAJ7LCWeeUwnKNFqBYmD3RTFpmX4furnal3lBDX0945BZtJr0WZ/6N679zIYA aiVTdGfgjvDC9lHy3n3uctRd0Jqdh2QoSSxNBhq5elIApNIIYzu7w/XI/VhGcDlA b6uadURQEC2q+M8YYjw3mwR2omhCWlHIViOHe/9T8jfP/8pxAkEA7k39WRcQildH DFKcj7gurqlkElHysacMTFWf0ZDTEUS6bdkmNXwK6mH63BlmGLrYAP5AMgKgeDf8 D+WRfv8YKQJBAMSCQ7UGDN3ysyfIIrdc1RBEAk4BOrKHKtD5Ux0z5lcQkaCYrK8J DuSldreN2yOhS99/S4CRWmGkTj04wRSnjwMCQQCaR5mW3QzTU4/m1XEQxsBKSdZE 2hMSmsCmhuSyK13Kl0FPLr/C7qyuc4KSjksABa8kbXaoKfUz/6LLs+ePXZ2JAkAv +mIPk5+WnQgS4XFgdYDrzL8HTpOHPSs+BHG/goltnnT/0ebvgXWqa5+1pyPm6h29 PrYveM2pY1Va6z1xDowDAkEAttfzAwAHz+FUhWQCmOBpvBuW/KhYWKZTMpvxFMSY YD5PH6NNyLfBx0J4nGPN5n/f6il0s9pzt3ko++/eUtWSnQ== -----END RSA PRIVATE KEY----- Simply click on the add new key and browse for the cert_and_key file on your desktop which you concatenated earlier using any text editor. You may need to add a passphrase in order to decrypt the RSA key in some cases (it should tell you BEGIN ENCRYPTED PRIVATE KEY in the header line). I will show you the success screen after uploading the certificate to RUEI. You may want to restart your collector once you have uploaded all the certificate/key pairs you want to use in order to make sure they get picked up asap.You should be able to see the number of SSL Connections rising in the Collector statistics screen below. The figures for decrypt errors should slowly go down and the usage figures for your encryption algortihm on the subsequent SSL Encryption screen should go up. You should be 100% sure everything works fine by now, otherwise see below to distinguish the remaining 1% from your 99% certainty.Verify Certificate and Key are matchingYou can compare the modulus of private key and public certificate and they should match in order for the key to fit the lock. You only want to make sure they both fit each other.We are actually interested only in the following details of the two files, which can be determined by using the -subject, -dates and -modulus command line switches instead of the complete -text output of the x509 certificate/rsa key contents.$ sudo openssl x509 -noout -subject -in /etc/ssl/certs/ssl-cert-snakeoil.pemsubject= /CN=ubuntu$ sudo openssl x509 -noout -dates -in /etc/ssl/certs/ssl-cert-snakeoil.pemnotBefore=Jun  7 08:03:53 2010 GMTnotAfter=Jun  4 08:03:53 2020 GMT$ sudo openssl x509 -noout -modulus -in /etc/ssl/certs/ssl-cert-snakeoil.pem Modulus=B6ECF899C8FA9F8AEC8A9A49065D9D80713A97511F4FFD8EDD502AF987EBCBFCD61F7E7F5676AD547B66B77F97EAEE1371FD56FBB3C4C94AB8C1FBA815FF8268C3653963F5624CFB3734B5293E7B6B9DCBD85EDB4946CD3C6FD2F6B290992E29CBD258D938584F4DB8076020766F8CA8284D2566BCCD40A4C0A0EBD9F23B2F7B $ sudo openssl rsa -noout -modulus -in /etc/ssl/private/ssl-cert-snakeoil.keyModulus=B6ECF899C8FA9F8AEC8A9A49065D9D80713A97511F4FFD8EDD502AF987EBCBFCD61F7E7F5676AD547B66B77F97EAEE1371FD56FBB3C4C94AB8C1FBA815FF8268C3653963F5624CFB3734B5293E7B6B9DCBD85EDB4946CD3C6FD2F6B290992E29CBD258D938584F4DB8076020766F8CA8284D2566BCCD40A4C0A0EBD9F23B2F7BAs you can see the modulus matches exactly and we have the proof that the certificate has been created using the private key. OpenSSL Certificate and Key DetailsAs I already told you, you do not need all the greedy details, but in case you want to know it in depth what is actually in those hex-blocks can be made visible with the following commands which show you the actual content in a human readable format.Note: You may not want to post all the details of your private key =^) I told you I have been using a self-signed certificate only for showing you these details.$ sudo openssl rsa -noout -text -in /etc/ssl/private/ssl-cert-snakeoil.keyPrivate-Key: (1024 bit)modulus:    00:b6:ec:f8:99:c8:fa:9f:8a:ec:8a:9a:49:06:5d:    9d:80:71:3a:97:51:1f:4f:fd:8e:dd:50:2a:f9:87:    eb:cb:fc:d6:1f:7e:7f:56:76:ad:54:7b:66:b7:7f:    97:ea:ee:13:71:fd:56:fb:b3:c4:c9:4a:b8:c1:fb:    a8:15:ff:82:68:c3:65:39:63:f5:62:4c:fb:37:34:    b5:29:3e:7b:6b:9d:cb:d8:5e:db:49:46:cd:3c:6f:    d2:f6:b2:90:99:2e:29:cb:d2:58:d9:38:58:4f:4d:    b8:07:60:20:76:6f:8c:a8:28:4d:25:66:bc:cd:40:    a4:c0:a0:eb:d9:f2:3b:2f:7bpublicExponent: 65537 (0x10001)privateExponent:    00:9e:cb:09:67:9e:53:09:ca:34:5a:81:62:60:f7:    45:31:69:99:7e:1f:ba:b9:da:97:79:41:0d:7d:3d:    e3:90:59:b4:9a:f4:59:9f:fa:37:ae:fd:cc:86:00:    6a:25:53:74:67:e0:8e:f0:c2:f6:51:f2:de:7d:ee:    72:d4:5d:d0:9a:9d:87:64:28:49:2c:4d:06:1a:b9:    7a:52:00:a4:d2:08:63:3b:bb:c3:f5:c8:fd:58:46:    70:39:40:6f:ab:9a:75:44:50:10:2d:aa:f8:cf:18:    62:3c:37:9b:04:76:a2:68:42:5a:51:c8:56:23:87:    7b:ff:53:f2:37:cf:ff:ca:71prime1:    00:ee:4d:fd:59:17:10:8a:57:47:0c:52:9c:8f:b8:    2e:ae:a9:64:12:51:f2:b1:a7:0c:4c:55:9f:d1:90:    d3:11:44:ba:6d:d9:26:35:7c:0a:ea:61:fa:dc:19:    66:18:ba:d8:00:fe:40:32:02:a0:78:37:fc:0f:e5:    91:7e:ff:18:29prime2:    00:c4:82:43:b5:06:0c:dd:f2:b3:27:c8:22:b7:5c:    d5:10:44:02:4e:01:3a:b2:87:2a:d0:f9:53:1d:33:    e6:57:10:91:a0:98:ac:af:09:0e:e4:a5:76:b7:8d:    db:23:a1:4b:df:7f:4b:80:91:5a:61:a4:4e:3d:38:    c1:14:a7:8f:03exponent1:    00:9a:47:99:96:dd:0c:d3:53:8f:e6:d5:71:10:c6:    c0:4a:49:d6:44:da:13:12:9a:c0:a6:86:e4:b2:2b:    5d:ca:97:41:4f:2e:bf:c2:ee:ac:ae:73:82:92:8e:    4b:00:05:af:24:6d:76:a8:29:f5:33:ff:a2:cb:b3:    e7:8f:5d:9d:89exponent2:    2f:fa:62:0f:93:9f:96:9d:08:12:e1:71:60:75:80:    eb:cc:bf:07:4e:93:87:3d:2b:3e:04:71:bf:82:89:    6d:9e:74:ff:d1:e6:ef:81:75:aa:6b:9f:b5:a7:23:    e6:ea:1d:bd:3e:b6:2f:78:cd:a9:63:55:5a:eb:3d:    71:0e:8c:03coefficient:    00:b6:d7:f3:03:00:07:cf:e1:54:85:64:02:98:e0:    69:bc:1b:96:fc:a8:58:58:a6:53:32:9b:f1:14:c4:    98:60:3e:4f:1f:a3:4d:c8:b7:c1:c7:42:78:9c:63:    cd:e6:7f:df:ea:29:74:b3:da:73:b7:79:28:fb:ef:    de:52:d5:92:9d$ sudo openssl x509 -noout -text -in /etc/ssl/certs/ssl-cert-snakeoil.pemCertificate:    Data:        Version: 1 (0x0)        Serial Number:            fb:3b:75:d7:c1:58:a5:5b        Signature Algorithm: sha1WithRSAEncryption        Issuer: CN=ubuntu        Validity            Not Before: Jun  7 08:03:53 2010 GMT            Not After : Jun  4 08:03:53 2020 GMT        Subject: CN=ubuntu        Subject Public Key Info:            Public Key Algorithm: rsaEncryption            RSA Public Key: (1024 bit)                Modulus (1024 bit):                    00:b6:ec:f8:99:c8:fa:9f:8a:ec:8a:9a:49:06:5d:                    9d:80:71:3a:97:51:1f:4f:fd:8e:dd:50:2a:f9:87:                    eb:cb:fc:d6:1f:7e:7f:56:76:ad:54:7b:66:b7:7f:                    97:ea:ee:13:71:fd:56:fb:b3:c4:c9:4a:b8:c1:fb:                    a8:15:ff:82:68:c3:65:39:63:f5:62:4c:fb:37:34:                    b5:29:3e:7b:6b:9d:cb:d8:5e:db:49:46:cd:3c:6f:                    d2:f6:b2:90:99:2e:29:cb:d2:58:d9:38:58:4f:4d:                    b8:07:60:20:76:6f:8c:a8:28:4d:25:66:bc:cd:40:                    a4:c0:a0:eb:d9:f2:3b:2f:7b                Exponent: 65537 (0x10001)    Signature Algorithm: sha1WithRSAEncryption        93:6a:ef:54:49:31:47:5a:8f:4a:92:62:b9:d0:ee:19:41:ed:        58:a0:4a:5a:25:9b:99:2c:08:dd:11:19:4f:ed:2f:1b:e6:03:        1b:96:b9:e4:d7:71:81:19:37:ce:14:27:b6:a1:7b:80:d6:23:        2b:16:e5:04:1c:81:a5:8e:d6:d1:c8:b4:d2:47:fb:90:58:2f:        5d:63:1e:53:de:8d:49:02:5d:9e:27:7f:63:1c:d0:62:7d:1d:        18:bd:ab:4a:1d:5d:c1:d3:cd:34:f4:25:35:27:e7:11:0d:72:        c4:57:af:47:b6:91:74:2a:93:6d:35:d4:de:6c:62:f1:86:92:        b1:c1The above output can also be seen if you direct your browser client to your website and check the certificate sent by the server to your browser. You will be able to lookup all the details including the validity dates, subject common name and the public key modulus.Capture an SSL connection using WiresharkAnd as you would have expected, looking at the low-level tcp data that has been exchanged between the client and server with a tcp-diagnostics tool (i.e. wireshark/tcpdump) you can also see the modulus in there.These were the settings I used to capture all traffic on the local loopback interface, matching the filter expression: tcp and ip and host 127.0.0.1 and port 443. This tells Wireshark to leave out any other information, I may not have been interested in showing you.

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  • Google TV Gets Bad Reception. Can Media Center Pull in the Signal?

    - by andrewbrust
    The news hit Monday morning that Google has decided to delay the release of its Google TV platform, and has asked its OEMs to delay any products that embed the software.  Coming just about two weeks prior to the 2011 Consumer Electronics Show (CES), Google’s timing is about the worst imaginable.  CES is where the platform should have had its coming out party, especially given all the anticipation that has built up since its initial announcement came 7 months ago. At last year’s CES, it seemed every consumer electronics company had fashioned its own software stack for Internet-based video programming and applications/widgets on its TVs, optical disc players and set top boxes.  In one case, I even saw two platforms on a single TV set (one provided by Yahoo and the other one native to the TV set). The whole point of Google TV was to solve this problem and offer a standard, embeddable platform.  But that won’t be happening, at least not for a while.  Google seems unable to get it together, and more proprietary approaches, like Apple TV, don’t seem to be setting the world of TV-Internet convergence on fire, either. It seems to me, that when it comes to building a “TV operating system,” Windows Media Center is still the best of a bad bunch.  But it won’t stay so for much longer without some changes.  Will Redmond pick up the ball that Google has fumbled?  I’m skeptical, but hopeful.  Regardless, here are some steps that could help Microsoft make the most of Google’s faux pas: Introduce a new Media Center version that uses XBox 360, rather than Windows 7 (or 8), as the platform.  TV platforms should be appliance-like, not PC-like.  Combine that notion with the runaway sales numbers for Xbox 360 Kinect, and the mass appeal it has delivered for Xbox, and the switch form Windows makes even more sense. As I have pointed out before, Microsoft’s Xbox implementation of its Mediaroom platform (announced and demoed at last year’s CES) gets Redmond 80% of the way toward this goal.  Nothing stops Microsoft from going the other 20%, other than its own apathy, which I hope has dissipated. Reverse the decision to remove Drive Extender technology from Windows Home Server (WHS), and create deep integration between WHS and Media Center.  I have suggested this previously as well, but the recent announcement that Drive Extender would be dropped from WHS 2.0 creates the need for me to a) join the chorus of people urging Microsoft to reconsider and b) reiterate the importance of Media Center-WHS integration in the context of a Google compete scenario. Enable Windows Phone 7 (WP7) as a Media Center client.  This would tighten the integration loop already established between WP7, Xbox and Zune.  But it would also counter Echostar/DISH Network/Sling Media, strike a blow against Google/Android (and even Apple/iOS) and could be the final strike against TiVO. Bring the WP7 user interface to Media Center and Kinect-enable it.  This would further the integration discussed above and would be appropriate recognition of WP7’s Metro UI having been built on the heritage of the original Media Center itself.  And being able to run your DVR even if you can’t find the remote (or can’t see its buttons in the dark) could be a nifty gimmick. Microsoft can do this but its consumer-oriented organization, responsible for Xbox, Zune and WP7, has to take the reins here, or none of this will likely work.  There’s a significant chance that won’t happen, but I won’t let that stop me from hoping that it does and insisting that it must.  Honestly, this fight is Microsoft’s to lose.

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  • Book Reviews: Art of Community and Eyetracking Web Usability

    - by ultan o'broin
    Holidays time offers a chance to catch up on some user experience and user assistance related material. So, two short book reviews (which I considered using my new Tumblr blog for. More about that another time) coming up. The Art of Community by Jono Bacon Excellent starting point for anyone wanting to get going in the community software (FLOSS, for example) space or understand how to set up, manage, and leverage the collective intelligence of communities for whatever ends. The book is a little too long in my opinion, and of course, usage of what Jono is recommending needs to be nuanced and adapted for enterprise applications space (hardly surprising there is a lot about Ubuntu, Lug Radio, and so on given Jono's interests). Shame there wasn't more information on international, non-English community considerations too. Still, some great ideas and insight into setting up and managing communities that I will leverage (watch out for the results on this blog, later in 2011). One section, on collaborative writing really jumped out. It reinforced the whole idea that to successful community initiatives are based on instigators knowing what makes the community tick in the first place. How about this for insight into user profiles for people who write community user assistance (OK then, "doc") and what tools they might use (in this case, we're talking about Jokosher): "Most people who write documentation for open source software projects would fall into the category of power user. They are technology enthusiasts who are not interested in the super-technical avenues of programming, but want to help out. Many of these people have good writing skills and a good knowledge of using the software, so the documentation fit is natural. With Jokosher we wanted to acknowledge this profile of user. As such, instead of focussing on complex text processing tools, we encouraged our documentation contributors to use a wiki." The book is available for free here, and well as being available from usual sources. Eyetracking Web Usability by Jakob Nielsen and Kara Prentice Another fine book by established experts. I have some field experience of eyetracking studies myself --in the user assistance for enterprise applications space--though Jakob and Kara concentrate on websites for their research here. I would caution how much about websites transfers easily to the applications space, especially enterprise applications, as claimed in the book too. However, Jakob and Kara do make the case very well that understanding design goals (for example, productivity improvement in the case of applications) and the context of the software use is critical. Executing a study using eyetracking technology requires that you know what you want to test, can set up realistic tasks for testing by representative testers, and then analyze the results. Be precise, as lots of data will be generated (I think the authors underplay the effort in analyzing data too). What I found disappointing was the lack of emphasis on eyetracking as only part of the usability solution. It's really for fine-tuning designs in my opinion, and should be used after other design reviews. I also wasn't that crazy about the level of disengagement between the qualitative and quantitative side of this kind of testing that the book indicated. I think it is useful to have testers verbalize their thoughts and for test engineers to prompt, intervene, or guide as necessary. More on cultural or international aspects to usability testing might have been included too (websites are available to everyone). To conclude, I enjoyed the book, took on board some key takeaways about methodologies and found the recommendations sensible and easy to follow (for example about Forms layouts). Applying enterprise applications requirements such as those relating to user profiles, design goals, and overall context of use in conjunction with what's in this book would be the way to go here. It also made me think of how interesting it would be to compare eyetracking findings between website and enterprise applications usage.

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  • Creating an HttpHandler to handle request of your own extension

    - by Jalpesh P. Vadgama
    I have already posted about http handler in details before some time here. Now let’s create an http handler which will handle my custom extension. For that we need to create a http handlers class which will implement Ihttphandler. As we are implementing IHttpHandler we need to implement one method called process request and another one is isReusable property. The process request function will handle all the request of my custom extension. so Here is the code for my http handler class. using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; namespace Experiement { public class MyExtensionHandler:IHttpHandler { public MyExtensionHandler() { //Implement intialization here } bool IHttpHandler.IsReusable { get { return true; } } void IHttpHandler.ProcessRequest(HttpContext context) { string excuttablepath = context.Request.AppRelativeCurrentExecutionFilePath; if (excuttablepath.Contains("HelloWorld.dotnetjalps")) { Page page = new HelloWorld(); page.AppRelativeVirtualPath = context.Request.AppRelativeCurrentExecutionFilePath; page.ProcessRequest(context); } } } } Here in above code you can see that in process request function I am getting current executable path and then I am processing that page. Now Lets create a page with extension .dotnetjalps and then we will process this page with above created http handler. so let’s create it. It will create a page like following. Now let’s write some thing in page load Event like following. using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace Experiement { public partial class HelloWorld : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Response.Write("Hello World"); } } } Now we have to tell our web server that we want to process request from this .dotnetjalps extension through our custom http handler for that we need to add a tag in httphandler sections of web.config like following. <configuration> <system.web> <compilation debug="true" targetFramework="4.0" /> <httpHandlers> <add verb="*" path="*.dotnetjalps" type="Experiement.MyExtensionHandler,Experiement"/> </httpHandlers> </system.web> </configuration> That’s it now run that page into browser and it will execute like following in browser That’s you.. Isn’t it cool.. Stay tuned for more.. Happy programming.. Technorati Tags: HttpHandler,ASP.NET,Extension

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