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  • Elmah

    - by csharp-source.net
    LMAH (Error Logging Modules and Handlers) is an application-wide error logging facility that is completely pluggable. It can be dynamically added to a running ASP.NET web application, or even all ASP.NET web applications on a machine, without any need for re-compilation or re-deployment. Once ELMAH has been dropped into a running web application and configured appropriately, you get the following facilities without changing a single line of your code: * Logging of nearly all unhandled exceptions. * A web page to remotely view the entire log of recoded exceptions. * A web page to remotely view the full details of any one logged exception. * In many cases, you can review the original yellow screen of death that ASP.NET generated for a given exception, even with customErrors mode turned off. * An e-mail notification of each error at the time it occurs. * An RSS feed of the last 15 errors from the log.

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  • Dear ISV: You’re Keeping Me Awake Nights with Your VARCHAR() Dates

    - by merrillaldrich
    I generally sleep well and deeply. My wife and I once went to sleep, back when we lived in the Heights neighborhood in Houston, and when we woke up the next day, the house across the street had been removed . We never heard a thing. However, tonight it’s 3 AM here in Seattle and I am wide awake writing to you about data types. Why? Because a software vendor is making me crazy with their database schema. This is sad and wrong on many levels, but there it is. It’s harder, I think, to be held responsible...(read more)

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  • Star Trail Photos Taken from the International Space Station

    - by Jason Fitzpatrick
    While most people have seen a star trail photo or two, seeing a set of star trail photos taken from over 300 miles above the Earth’s surface is a treat. Courtesy of Astronaut and Expedition 31 Flight Engineer Don Pettit, the photos capture star trails from the vantage point of the International Space Station. He explains his technique: My star trail images are made by taking a time exposure of about 10 to 15 minutes. However, with modern digital cameras, 30 seconds is about the longest exposure possible, due to electronic detector noise effectively snowing out the image. To achieve the longer exposures I do what many amateur astronomers do. I take multiple 30-second exposures, then ‘stack’ them using imaging software, thus producing the longer exposure. Hit up the link below for the full Flickr set of the star trails. ISS Star Trails [via Smithsonian Magazine] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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  • Expensive HDMI Cables Make No Difference

    - by Jason Fitzpatrick
    While we’re no strangers to spreading the news that expensive HDMI cables are a ripoff, we’re happy to share yet another study that shows there’s zero difference between a $5 cable and a $95 one. Over at the British hardware review site Expert Reviews, they subjected a wide selection of HDMI cables to extensive tests in a bid to produce the end-all examination of whether or not a premium HDMI cable could actually produce a better signal. They used capture cards, pixel-by-pixel comparison of output, and other techniques to pick over individual frames until they ultimately reached the same conclusion everyone outside of the Monster sales staff had already reached: you’re getting absolutely no benefit to spending $100 on cable that can be had for under five bucks. Hit up the link below to read over their methodology. Expensive Cables Make Absolutely No Difference [via Geek News Central] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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  • Why prefer a wildcard to a type discriminator in a Java API (Re: Effective Java)

    - by Michael Campbell
    In the generics section of Bloch's Effective Java (which handily is the "free" chapter available to all: http://java.sun.com/docs/books/effective/generics.pdf), he says: If a type parameter appears only once in a method declaration, replace it with a wildcard. (See page 31-33 of that pdf) The signature in question is: public static void swap(List<?> list, int i, int j) vs public static void swap(List<E> list, int i, int j) And then proceeds to use a static private "helper" function with an actual type parameter to perform the work. The helper function signature is EXACTLY that of the second option. Why is the wildcard preferable, since you need to NOT use a wildcard to get the work done anyway? I understand that in this case since he's modifying the List and you can't add to a collection with an unbounded wildcard, so why use it at all?

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  • Trouble switching to Dvorak on Ubuntu 12.04

    - by Dodgie
    I've decided to switch to Dvorak on my Ubuntu machine, but I'm having some trouble: First, I attempted to do this through the GUI -- System Settings - Keyboard Layout - add layout (plus sign) - English(programmer Dvorak). This didn't work at first, so I restarted my machine. It seemed to work at the password prompt (if only because QWERTY did not), but I couldn't get it to accept my password. I used the virtual keyboard option to enter my password with mouse clicks (the virtual keyboard was using the programmer's Dvorak Standard) and was able to get in that way. Once logged in, however, I was back to QWERTY. Second, I tried to switch on the command prompt -- $ loadkeys /usr/lib/kbd/keytables/dvorak.map The error message I received was "Couldn't get a file descriptor referring to the console " Does anyone know what I'm doing wrong? I've looked for a solution for these problems, but couldn't find anything.

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  • Renderbuffer to GLSL shader?

    - by Dan
    I have a software that performs volume rendering through a raycasting approach. The actual raycasting shader writes the raycasted volume depth into a framebuffer object, through gl_FragDepth, that I bind before calling the shader. The problem I have is that I would like to use this depth in another shader that I call later on. I figured out that the only way to do that is to bind the framebuffer once the raycasting has finished, read the depthmap through something like glReadPixels(0, 0, m_winSize.x , m_winSize.y, GL_DEPTH_COMPONENT, GL_FLOAT, pixels); and write it to a 2D texture as usual glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, m_winSize.x, m_winSize.y, 0, GL_DEPTH_COMPONENT, GL_FLOAT, pixels) and then pass this 2D texture that contains a simple depth map to the other shader. However, I am not entirely sure that what I do is the proper way to do this. Is there anyway to pass the framebuffer that I fill up in my raycasting shader to the other shader?

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  • How should one refer to their social network profiles in prints?

    - by Omne
    In case a person has many different social network profiles, what is the proper way of referring to those profiles in a work that is meant to be printed or may be viewed as an image? For example one owns the username "CoolCompany" on Facebook, Twitter, Google+ and other websites. Should they provide a URL for each profile? for example: Facebook.com/CoolCompany Twitter.com/CoolCompany ... I often notice that in videos or on TV people may only use the logos but I believe it is not very useful, specially in case that the audience are unfamiliar with a social network... Is it acceptable to provide the logos or names of the networks and mention the username only once like this: Facebook & Twitter: @CoolCompany Or Facebook & Twitter: /CoolCompany

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  • Is the Google Webmaster Tools verification temporary?

    - by Senseful
    When you add a site to Google Webmaster Tools, it asks you to verify it (e.g. via a <meta> tag). I verified a site a while ago, but when I logged in, I noticed that it isn't verified anymore. The history shows that it was verified 58 days ago, but then 30 days ago it tried and failed saying that "revierification failed". I'm not sure if this is a result of some setting I changed which required a reverification, or if Google Webmaster Tools periodically tries to verify the site. I was under the impression that the verification only happens once when you add the site, and then you can delete the <meta> tag. If this is not how it works, and it does reverify periodically, will it require a different <meta> tag value or can I keep the original one I used and never have to worry about it again?

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  • Hear about Oracle Supply Chain at Pella, Apr 27-29 '10

    - by [email protected]
    Oracle Customer Showcase - Apr 27-29'10 Featuring Pella Corp. Delivering Greater Customer Value "Discovering the Lean Value Chain" Pella is once again hosting Oracle customers at a mega-reference event in Pella, Iowa, on April 27-29. The agenda features a cross-stack set of topics and issues, including strategies for delivering customer value, improving the customer experience, Value Chain Planning / Manufacturing / Enterprise Performance Management, and Lean practices. Several executives will keynote, including Pella CIO Steve Printz. The event includes a demo grounds, round-table discussion groups, plant tours, and networking opportunities. !  

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  • SharePoint 2010 Hosting :: HTTP Error 503. The Service in Unavailable.

    - by mbridge
    Error Message: HTTP Error 503. The service in unavailable. The application pool is shutdown and the Event Viewer indicates: Log Name:      Application Source:        Microsoft-Windows-User Profiles Service Date:          4/24/2010 4:58:28 PM Event ID:      1500 Task Category: None Level:         Error Keywords: User:          GUERILLA\spapppool Computer:      SPS2010RTM.guerilla.local Description: Windows cannot log you on because your profile cannot be loaded. Check that you are connected to the network, and that your network is functioning correctly. DETAIL – Unspecified error Solution: Option 1 – Log on locally with the service account once to create a local profile for it. Option 2 - Modify the application pool by going into IIS > Application Pools > Right-Click offending app pool > Advanced Settings > Set “Load User Profile” to False. Give it try!! Good luck!!

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  • Storage and BackUp Strategies

    - by Chandra Vennapoosa
    Many of us are familiar with backing up our data.  While it sounds pretty simple, the fact is that most of the computer users do not backup their data. Some of the excuses which they often make involve how long it takes, how slow it is, or how many DVDs or disks they need. However, once disaster strikes, the loss that you will suffer by not having your data backed up can be very severe. Topics Introduction What is an Online Back Up? Online Back Up Strategies Implementing Disaster Avoidance Implementation and Storage Security Issues to Consider Reader complete article : Storage and BackUp Strategies

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  • How do i make/setup a mailing list?

    - by acidzombie24
    I know i could program it myself but maybe there is a simple (thats the keyword) package. I like to add a box, snippet, form or page to my site for users to input their email address. Then i'd like it to automatically send email saying you have successfully subscribe. I'd want an unsubscribe link and i would be using smtp on google apps. I would like to send email with html so i can have a simple sentence with a complex link such as this I dont know if i'll get marked as spam if i try to send everyone an email at once? so i'd like the software to manage it. Also i'd like to get the emails in a simple format like csv. Is there a simple app that does this? if not i can write a simple form which does a simple insert (or delete when unsubscribing) and write a 200-300line app to send my emails out for me.

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  • High Jinks, Hi Jacks, Exceptional DBA Awards and PASS

    - by Rodney
    The countdown to PASS has counted down.  The day after tomorrow I will board a plane, like many others, on my way for the 4th year in a row to SQL PASS Summit.  The anticipation has been excruciating but luckily I have this little thing called a day job as a DBA that has kept me busy and not thinking too much about the event. Well that is not exactly true since my beautiful wife works for PASS so we get to talk about SQL from the time we wake up until late in the evening. I would not have it any other way and I feel very fortunate to be a part of this great event and to have been chosen as the Exceptional DBA Award judge also for the 4th year in a row.  This year, I will have been again tasked with presenting the award to the winner, Mr. Jeff Moden and it will be a true honor to meet him in person as I have read many of his articles on SSC and have attended his session at PASS previously.  The speech is all ready but one item remains, which will be a surprise to all who attend the party on Tuesday night in Seattle (see links below).  Let's face it, Exceptional DBAs everywhere work very hard protecting our data stores, tuning queries, mentoring, saving money, installing clusters, etc and once in a while there is time to be exceptionally non-professional and have a bit of fun. Once incident that happened this year that falls under the High Jinks category was when my network admin asked if I could Telnet into a SQL instance and see if I could make the connection through the firewall that he had just configured. I was able to establish a connection on port 1433 and it occurred to me that it would be very interesting if I could actually run T-SQL queries via a Telnet session much like you might do with an SMTP server. With that thought, I proceeded to demonstrate this could be possible by convincing my senior DBA Shawn McGehee that I was able to do so. At first he did not believe me. It shook his world view.  It was inconceivable.  What I had done, behind the scenes, of course, was to copy and rename SQLCMD.exe to Telnet.exe and used it to connect and run a simple, "Select * from sys.databases" on the SQL instance. I think if it had been anyone other than Shawn I could have extended this ruse indefinitely but he caught on within 30 seconds. It was a fun thirty seconds though. On the High Jacks side of the house, which is really merged to be SQL HACKS, I finally, after several years of struggling with how to connect to an untrusted domain like in a DMZ with a windows account in SSMS, I stumbled upon a solution that does away with the requirement to use SQL Authentication.  While "Runas" is a great command to use to run an application with a higher privileged account, I had not previously been able to figure out how to connect to the remote domain with SSMS and "Runsas". It never connected and caused a login failure every time for the remote windows domain account. Then I ran across an option for "Runas",   "/netonly".  This option postpones the login until a connection is made and only then passes the remote login you supply when you first launch SSMS with the "Runas" command. So a typical shortcut would look like: "C:\Windows\System32\runas.exe /netonly /user:remotedomain.com\rodlandrum "C:\Program Files\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\Ssms.exe" You will want to make sure the passwords are synced between the two domains, your local domain and the remote domain, otherwise you may have account lockout issues, but I have found in weeks of testing this is a stable solution. Now it is time to get ready to head for Seattle. Please, if you see me (@SQLBeat) or my wife (@Karlakay22) please run up and high five me (wait..High Jinks.High Jacks.High Fives.Need to change the title) or give me a big bear hug if you are strong enough to lift me off the ground. And if you do actually do that, I will think you are awesome and will not embarrass you by crying out for help or complaining of a broken back or sciatic nerve damage. And now the links to others who have all of the details. First, for the MVP Deep Dives 2, of which, like John, I was lucky enough to be able to participate in this year. http://www.simple-talk.com/community/blogs/johnm/archive/2011/09/29/103577.aspx And the details of the SSC party where the Exceptional DBA of 2011, Jeff Moden, will be awarded. http://www.simple-talk.com/community/blogs/rebecca_amos/archive/2011/10/05/103661.aspx   Cheers! Rodney

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  • Where can I get a cheap database, no web hosting needed

    - by PhilipK
    I'm building an application which requires a fairly small online MySQL database. I don't need any web hosting. What are some cheap options for an online database? *Edit(a bit more about what I'll be using it for) The database itself is very small it contains market statistics for 5 weeks of time. Once a week the data will be updated, so that it always contains the most recent 5 weeks. Then I will use the data in that to create an XML file which is generated with PHP. The XML file will need to be accessed hundreds-thousands of times per month.*

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  • Comparing Checksums

    - by Sean Feldman
    This is something trivial, yet got me to think for a little. I had two checksums, one received from a client invoking a service, another one calculated once data sent into service is received. Checksums are plain arrays of bytes. I wanted to have comparison to be expressed as simple as possible. Quick google search brought me to a post that dealt with the same issue. But linq expression was too chatty and I think the solution was a bit muddy. So I looked a bit more into linq options presented in the post, and this is what ended up using: var matching = original_checksum.SequenceEqual(new_checksum); Sometimes things are so simple, we tend to overcomplicate them.

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  • Need help on implementing corporate network security solution and coming up with time lines to test it

    - by abc
    I have to come up with a proposal to implement corporate network security. Once I have done that I also have to come up with estimates on the time / money needed to test (QA) the implementation. What I need help with: What should I keep in mind while coming up with this proposal? I have already considered: Routers, Firewalls, VPN, Wireless, Server System, Web Apps etc. I know I am missing quite a lot. What else should I include? This the most challenging part I feel: How should I estimate the time needed for testing these security implementations? I guess I need to understand how can I test these security implementations first...right? Can you help me?

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  • Soda Cans Exploding Under the Stress of High Voltage [Video]

    - by Jason Fitzpatrick
    In an effort to start your Monday off in true Mad Scientist style, we bring you soda cans being decimated by thousands of volts in a “Thumper”. What is a thumper, you ask? During office hours, it’s a high-voltage testing unit most often used to stress test electric cables. In the off hours, however, the electrical engineering geeks over at The Geek Group like to shove anywhere from a few hundred to thousands of volts through unsuspecting objects to see what happens. In this installation they’re shooting high voltage through a variety of soft drink cans with an end result that sounds and looks like a cannon loaded with Mountain Dew. [via Hacked Gadgets] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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  • Install Ubuntu and erase Windows Vista

    - by miguel
    I have an older laptop with a ADA hard disk I can't really buy a new one so I want to erase Windows Vista on my computer and only have Ubuntu so that I can have more space. How do I make it go directly to my blank CD? My Windows Vista is messed up and I can't even get into it. I want to download the new version of Ubuntu while in Ubuntu. I downloaded it but it didn't go directly to the blank CD. I tried to copy all of Ubuntu onto the CD once it was downloaded but it says there was an error while copying. What should I do?

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  • SQL Saturday #220 - Atlanta - Pre-Con Scholarship Winners!

    - by Most Valuable Yak (Rob Volk)
    A few weeks ago, AtlantaMDF offered scholarships for each of our upcoming Pre-conference sessions at SQL Saturday #220. We would like to congratulate the winners! David Thomas SQL Server Security http://sqlsecurity.eventbrite.com/ Vince Bible Surfing the Multicore Wave: Processors, Parallelism, and Performance http://surfmulticore.eventbrite.com/ Mostafa Maged Languages of BI http://languagesofbi.eventbrite.com/ Daphne Adams Practical Self-Service BI with PowerPivot for Excel http://selfservicebi.eventbrite.com/ Tim Lawrence The DBA Skills Upgrade Toolkit http://dbatoolkit.eventbrite.com/ Thanks to everyone who applied! And once again we must thank Idera's generous sponsorship, and the time and effort made by Bobby Dimmick (w|t) and Brian Kelley (w|t) of Midlands PASS for judging all the applicants. Don't forget, there's still time to attend the Pre-Cons on May 17, 2013! Click on the EventBrite links for more details and to register!

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  • anxiety and programming [closed]

    - by user83379
    I went to the doctor for anxiety and was prescribed a small dose of lexapro to help with anxiety and sleeping better. I am cautious about taking it since this is the first time it's got bad enough for me to talk to someone and I'm concerned it may negatively impact my career as a software developer. I'm also afraid that once I start it may be difficult to come off. Does anyone on here have experience with this? Is it likely that taking lexapro would negatively affect my problem solving skills, passion for programming or job performance? Thanks for any suggestions.

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  • 42+ Text-Editing Keyboard Shortcuts That Work Almost Everywhere

    - by Chris Hoffman
    Whether you’re typing an email in your browser or writing in a word processor, there are convenient keyboard shortcuts usable in almost every application. You can copy, select, or delete entire words or paragraphs with just a few key presses. Some applications may not support a few of these shortcuts, but most applications support the majority of them. Many are built into the standard text-editing fields on Windows and other operating systems. Image Credit: Kenny Louie on Flickr HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now

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  • It is not quiet....

    - by Anthony Shorten
    You may of noticed that the blog entries have been not so frequent lately. I have been extremely busy with putting the final touches on the release of the next generation of our products. It is an exciting time for me to see the release of new functionality from start to finish for the first time becoming a Product Manager (good to see one's designs actually implemented). Once the next generation of the products have been released there will be a flood of entries outlining all the new and exciting features. Watch the skies....

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  • Installing the Windows Azure Tools for Visual Studio March 2011 and SDK 1.4

    - by Enrique Lima
    Coming from the joys and new features the SDK 1.3 version gave us back in November/December, we are now again at the doors of another update, Version 1.4 To get it, go to the Windows Azure website, the click on the Develop Menu option.  Once there, Click on the Get Tools & SDK button. This will start the download to activate the Web Platform Installer, when you review the information on it, you get this. Click Install. And Accept the EULA. Installation starts at this point. And you are finished. More to come on the changes this addresses.

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  • How to keep "dot files" under version control?

    - by andrewsomething
    Etckeeper is a great tool for keeping track of changes to your configuration files in /etc A few key things about it really stand out. It can be used with a wide variety of VCSs: git, mercurial, darcs, or bzr. It also does auto commits daily and whenever you install, remove or upgrade package. It also keeps track of file permissions and user/group ownership metadata. I would also like to keep my "dot files" in my home directory under version control as well, preferably bazaar. Does anyone know if a tool like etckeeper exists for this purpose? Worst case, I imagine that a simple cron job running bzr add && bzr ci once or twice a day along with adding ~/Documents, ~/Music, ect to the .bzrignore Anyone already doing something similar with a script? While I'd prefer bazaar, other options might be interesting.

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