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  • How is this site so fast?

    - by user8628
    how is the website http://dftba.com/ so fast? when i click a link it loads right then? what makes it work like this? how do i make it work like this on my site? some of the objects on the site are being hosted by a website called ecogeek-cdn.net? who is this company and why do they host the images of this site? i have been looking into this site some time because i want this site to be like mine site they site use Apache they site use Python (when asked the developer told me this) they site use jquery and jqueryui they site is custom built not using wordpress they site is ownedhosted by liquidweb they site gets a million users a month they site launched in january they site uses cpanel they site does not have SSH or FTP (i tried to connect but it denied me all) they does have SSH and FTP but only allowed by their addresses Please; my english is not as good as yours

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  • C#/.net features to cut off assuming no backward compatibility needed?

    - by Gulshan
    Any product or framework evolves. Mainly it's done to catch up the needs of it's users, leverage new computing powers and simply make it better. Sometimes the primary design goal also changes with the product. C# or .net framework is no exception. As we see, the present day 4th version is very much different comparing with the first one. But thing comes as a barricade to this evolution- backward compatibility. In most of frameworks/products there are features would have been cut off if there was no need to support backward compatibility. According to you, what are these features in C#/.net? Please mention one feature per answer.

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  • Manage Your Amazon S3 Account with CloudBerry Explorer

    - by Mysticgeek
    If you have an Amazon S3 account you’re using to backup your data, you might want an easy way to manage it. CloudBerry Explorer is a free app that runs on your desktop an provides an easy way to manage your S3 account. Installation and Setup Just download and install the application with the defaults. When the application launches you’ll be prompted to enter in your username and email to get a registration key. Or you can continue on by clicking Register later. Now you will want to set up your Amazon S3 account. Click on File \ Amazon S3 Accounts. Double-click on the New Account icon.   Next enter in your Amazon account Access and Secret keys, select SSL if you want, then click the Test Connection button. Provided everything was entered correctly, you’ll see the Connection Success screen, just close out of it. Browse and Manage files Once you have your account setup through the Explorer, you can start viewing and managing your files on S3. The left pane shows your S3 buckets and stored files, while the right side shows your local computer. This allows you to manage your files in your Amazon S3 buckets directly from your desktop! It’s very easy to use, and you can drag and drop files from your computer to the S3 account or vice versa. There is also the ability to transfer files between Amazon S3 accounts from within the explorer. Go into Tools and Content Types and you can control the file types by adding, removing, or editing them. If you end up messing something up along the lines, you can always select Reset to defaults and everything will be back to normal. There is a multiple tabbed view so you can easily keep track of your different accounts and local machine. It allows the ability to create new storage buckets directly in the Explorer. Or you can delete buckets as well… Different actions can be accessed from the toolbars or by right-clicking and selecting from the context menu. Here we see a cool option that lets you move your data inside Amazon S3. It is faster and doesn’t cost money by moving the files to your computer first, then to another account. However, if you want data moved to your local machine first, you have that option as well.   Not all features are available in the free version, and if it’s not, you’ll be prompted to purchase a license for the Pro version. We will have a comprehensive review of the Pro version in the near future.    If you ever need help with CloudBerry Explorer, go to Tools \ Diagnostics. It will run a quick diagnostics check and you can send the information to the CloudBerry team for assistance. Delete Files from Amazon S3 To delete a file from you Amazon S3 account, simply highlight the files or folder you want to get rid of then click Delete on the toolbar. You can also right-click the file and select Delete from the Context Menu. Click Yes to the confirmation dialog box… Then you can watch the progress as your files are deleted in the bottom section of the explorer. Conclusion CloudBerry Explorer free version has several neat features that will allow you easy and basic control over you Amazon S3 account. The free version may be enough for basic users, but power users will want to upgrade to the pro version, as it includes a lot more features. Using the free version allows you to get a feel for what CloudBerry Explorer has to offer, and is a good starting point. Keep in mind that Amazon S3 is introducing Reduced Redundancy Storage which will lower the price of data stored. The price drops from $0.15 per GB to only $0.10 per GB. If you’re a Windows Home Server user, check out our review of CloudBerry Online Backup 1.5 for WHS. Download CloudBerry Explorer Free for Amazon S3 Similar Articles Productive Geek Tips CloudBerry Online Backup 1.5 for Windows Home ServerReopen Closed Tabs in Internet ExplorerPreview and Purchase Ebooks with Kindle for PCTroubleshoot and Manage Addons in Internet Explorer 8Beginner Geek: Delete User Accounts in Windows 7 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 All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 VMware Workstation 7 Google TV The iPod Revolution Ultimate Boot CD can help when disaster strikes Windows Firewall with Advanced Security – How To Guides Sculptris 1.0, 3D Drawing app AceStock, a Tiny Desktop Quote Monitor

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  • Are there any guidelines for laying out screen "real estate?"

    - by Corey
    I'm wondering if there is any information about creating a decent page layout so that your website will appeal to users of all resolutions. For example, the optimal width for pages. It seems like on my resolution, most websites have their content centered and covers about 80% of the page, which is easy on the eyes. Or maybe the height of the website's logo/header -- some sites I stumble upon have a huge logo with links or navigation under it, making it so that I need to scroll down to see the actual content, like articles or images (these sites don't keep me for very long). I understand that every user is different and may have browser extensions, page zoom or may be running some ancient system that displays in 640x480. I'm not looking for a "best" solution, but rather, some guidelines about designing to accommodate different resolutions. Basically, how can I make sure that I don't design a page where a paragraph might display in several easy-to-read lines on my resolution, but it turns into a single line on a 1920x1080 resolution and makes it hard for the user to follow?

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  • Do subdomains need to be defined through domain registerar?

    - by Johnny
    I have bought a new domain name from GoDaddy. Let's say it is abcd.com. On GoDaddy's DNS Managing page, I changed A(Host) part to @ = 74.125.232.215 which is www.google.co.uk's IP address. Now if I type www.abcd.com, it directly goes to www.google.co.uk. But if I type http://test.abcd.com, it cannot be loaded. Do I need to define every subdomain through GoDaddy? Is this how it work? P.S. Amazon EC2 directly generates a subdomain for users to reach their virtual PCs. It cannot be domain registerar dependant. P.S.2. Same question for using "www2" at the start of url.

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  • StorageTek SL8500 Release 8.3 available

    - by uwes
    Boosting Performance and Enhancing Reliability with StorageTek SL8500 Release 8.3! We’re pleased to announce the availability of SL8500 8.3 firmware, which supports partitioning for library complexes, library media validation, drive tray serial number reporting, and StorageTek T10000D tape drives! StorageTek SL8500 8.3 support the following: Library Complex Partitioning: Provides support for partitioning across an SL8500 library complex  Supports up to 16 partitions per library complex   Library Media Validation: Utilizing StorageTek Library Console, users can initiate media verifications with our StorageTek T10000C/D tape drives on StorageTek T10000 T1 and T2 media  Supports 3 scan options: basic verify, standard verify and complete verify Please read the Sales Bulletin (Firmware reales 8.31) on Oracle HW TRC for more details. (If you are not registered on Oracle HW TRC, click here ... and follow the instructions..) For More Information Go To: Oracle.com Tape Page Oracle Technology Network Tape Page

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  • Colleague unwilling to use unit tests "as it's more to code"

    - by m.edmondson
    A colleague is unwilling to use unit tests and instead opting for a quick test, pass it to the users, and if all is well it is published live. Needless to say some bugs do get through. I mentioned we should think about using unit tests - but she was all against it once it was realised more code would have to be written. This leaves me in the position of modifying something and not being sure the output is the same, especially as her code is spaghetti and I try to refactor it when I get a chance. So whats the best way forward for me?

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  • How Do You Calculate Processor Speed on Multi-core Processors?

    - by Jason Fitzpatrick
    The advent of economical consumer grade multi-core processors raises the question for many users: how do you effectively calculate the real speed of a multi-core system? Is a 4-core 3Ghz system really 12Ghz? Read on as we investigate. Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-drive grouping of Q&A web sites. 6 Start Menu Replacements for Windows 8 What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8

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  • Is it a bad practice to store large files (10 MB) in a database?

    - by B Seven
    I am currently creating a web application that allows users to store and share files, 1 MB - 10 MB in size. It seems to me that storing the files in a database will significantly slow down database access. Is this a valid concern? Is it better to store the files in the file system and save the file name and path in the database? Are there any best practices related to storing files when working with a database? I am working in PHP and MySQL for this project, but is the issue the same for most environments (Ruby on Rails, PHP, .NET) and databases (MySQL, PostgreSQL).

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  • MySQL Connector/Net 6.8.0 alpha has been released

    - by Roberto Garcia
    Dear MySQL users, MySQL Connector/Net 6.8.0, a new version of the all-managed .NET driver for MySQL has been released. This is an alpha release for 6.8.x and it's not recommended for production environments.It is appropriate for use with MySQL server versions 5.0-5.6 It is now available in source and binary form from http://dev.mysql.com/downloads/connector/net/#downloads and mirror sites (note that not all mirror sites may be up to date at this point-if you can't find this version on some mirror, please try again later or choose another download site.) The 6.8.0 version of MySQL Connector/Net has support for Entity Framework 6.0 including: - Async Query and Save- Code-Based Configuration- Dependency Resolution- DbSet.AddRange/RemoveRange- Code First Mapping to Insert/Update/Delete Stored Procedures - Configurable Migrations History Table- DbContext can now be created with a DbConnection that is already opened- Custom Code First Conventions The release is available to download at http://dev.mysql.com/downloads/connector/net/#downloads Documentation-------------------------------------You can view current Connector/Net documentation at http://dev.mysql.com/doc/refman/5.6/en/connector-net.html You can find our team blog at http://blogs.oracle.com/MySQLOnWindows You can also post questions on our forums at http://forums.mysql.com/ Enjoy and thanks for the support! Connector/NET Team

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  • Client Side Form Validation vs. Server Side Form Validation

    In my opinion, it is mandatory to validate data using client side and server side validation as a fail over process. The client side validation allows users to correct any error before they are sent to the web server for processing, and this allows for an immediate response back to the user regarding data that is not correct or in the proper format that is desired. In addition, this prevents unnecessary interaction between the user and the web server and will free up the server over time compared to doing only server side validation. Server validation is the last line of defense when it comes to validation because you can check to ensure the user’s data is correct before it is used in a business process or stored to a database. Honestly, I cannot foresee a scenario where I would only want to use one form of validation over another especially with the current cost of creating and maintaining data. In my opinion, the redundant validation is well worth the overhead.

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  • Must-see sessions at TCUK11

    - by Roger Hart
    Technical Communication UK is probably the best professional conference I've been to. Last year, I spoke there on content strategy, and this year I'll be co-hosting a workshop on embedded user assistance. Obviously, I'd love people to come along to that; but there are some other sessions I'd like to flag up for anybody thinking of attending. Tuesday 20th Sept - workshops This will be my first year at the pre-conference workshop day, and I'm massively glad that our workshop hasn't been scheduled along-side the one I'm really interested in. My picks: It looks like you're embedding user assistance. Would you like help? My colleague Dom and I are presenting this one. It's our paen to Clippy, to the brilliant idea he represented, and the crashing failure he was. Less precociously, we'll be teaching embedded user assistance, Red Gate style. Statistics without maths: acquiring, visualising and interpreting your data This doesn't need to do anything apart from what it says on the tin in order to be gold dust. But given the speakers, I suspect it will. A data-informed approach is a great asset to technical communications, so I'd recommend this session to anybody event faintly interested. The speakers here have a great track record of giving practical, accessible introductions to big topics. Go along. Wednesday 21st Sept - day one There's no real need to recommend the keynote for a conference, but I will just point out that this year it's Google's Patrick Hofmann. That's cool. You know what else is cool: Focus on the user, the rest follows An intro to modelling customer experience. This is a really exciting area for tech comms, and potentially touches on one of my personal hobby-horses: the convergence of technical communication and marketing. It's all part of delivering customer experience, and knowing what your users need lets you help them, sell to them, and delight them. Content strategy year 1: a tale from the trenches It's often been observed that content strategy is great at banging its own drum, but not so hot on compelling case studies. Here you go, folks. This is the presentation I'm most excited about so far. On a mission to communicate! Skype help their users communicate, but how do they communicate with them? I guess we'll find out. Then there's the stuff that I'm not too excited by, but you might just be. The standards geeks and agile freaks can get together in a presentation on the forthcoming ISO standards for agile authoring. Plus, there's a session on VBA for tech comms. I do have one gripe about day 1. The other big UK tech comms conference, UA Europe, have - I think - netted the more interesting presentation from Ellis Pratt. While I have no doubt that his TCUK case study on producing risk assessments will be useful, I'd far rather go to his talk on game theory for tech comms. Hopefully UA Europe will record it. Thursday 22nd Sept - day two Day two has a couple of slots yet to be confirmed. The rumour is that one of them will be the brilliant "Questions and rants" session from last year. I hope so. It's not ranting, but I'll be going to: RTFMobile: beyond stating the obvious Ultan O'Broin is an engaging speaker with a lot to say, and mobile is one of the most interesting and challenging new areas for tech comms. Even if this weren't a research-based presentation from a company with buckets of technology experience, I'd be going. It is, and you should too. Pattern recognition for technical communicators One of the best things about TCUK is the tendency to include sessions that tackle the theoretical and bring them towards the practical. Kai and Chris delivered cracking and well-received talks last year, and I'm looking forward to seeing what they've got for us on some of the conceptual underpinning of technical communication. Developing an interactive non-text learning programme Annoyingly, this clashes with Pattern Recognition, so I hope at least one of the streams is recorded again this year. The idea of communicating complex information without words us fascinating and this sounds like a great example of this year's third stream: "anything but text". For the localization and DITA crowds, there's rich pickings on day two, though I'm not sure how many of those sessions I'm interested in. In the 13:00 - 13:40 slot, there's an interesting clash between Linda Urban on re-use and training content, and a piece on minimalism I'm sorely tempted by. That's my pick of #TCUK11. I'll be doing a round-up blog after the event, and probably talking a bit more about it beforehand. I'm also reliably assured that there are still plenty of tickets.

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  • Is there any reason lazy initialization couldn't be built into Java?

    - by Renesis
    Since I'm working on a server with absolutely no non-persisted state for users, every User-related object we have is rolled out on every request. Consequently I often find myself doing lazy initialization of properties of objects that may go unused. protected EventDispatcher dispatcher = new EventDispatcher(); Becomes... protected EventDispatcher<EventMessage> dispatcher; public EventDispatcher<EventMessage> getEventDispatcher() { if (dispatcher == null) { dispatcher = new EventDispatcher<EventMessage>(); } return dispatcher; } Is there any reason this couldn't be built into Java? protected lazy EventDispatcher dispatcher = new EventDispatcher();

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  • Mass Metadata Updates with Folders

    - by Kyle Hatlestad
    With the release of WebCenter Content PS5, a new folder architecture called 'Framework Folders' was introduced.  This is meant to replace the folder architecture of 'Folders_g'.  While the concepts of a folder structure and access to those folders through Desktop Integration Suite remain the same, the underlying architecture of the component has been completely rewritten.  One of the main goals of the new folders is to scale better at large volumes and remove the limitations of 1000 content items or sub-folders within a folder.  Along with the new architecture, it has a new look and a few additional features have been added.  One of those features are Query Folders.  These are folders that are populated simply by a query rather then literally putting items within the folders.  This is something that the Library has provided, but it always took an administrator to define them through the Web Layout Editor.  Now users can quickly define query folders anywhere within the standard folder hierarchy. [ Read More ]

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  • How to Configure Microsoft Security Essentials

    Microsoft Security Essentials is the software giant's free solution for home users as well as small businesses. As long as you have a genuine copy of Windows running on your PC, you can enjoy all it has to offer. The program is characterized by easy installation and a user interface that is intuitive and rather simple to navigate. With so many viruses, spyware, and other malicious items floating all around the Web, keeping your PC secure should be of utmost importance. After all, you want to protect your investment and your sanity at the same time. Having a solid program such as Microsof...

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  • JSF 2.2 Update from Ed Burns

    - by arungupta
    In a recent interview the JavaServer Faces specification lead, Ed Burns, gave an update on JSF 2.2. This is a required component of the Java EE 7 platform. The work is expected to wrap up by CY 2012 and the schedule is publicly available. The interview provide an update on how Tenant Scope from CDI and multi-templating will be included. It also provide details on which HTML 5 content categories will be addressed. The EG discussions are mirrored at jsr344-experts@javaserverfaces-spec-public. You can also participate in the discussion by posting a message to users@javaserverfaces-spec-public. All the mailing lists are open for subscription anyway and JIRA for spec provide more details about features targeted for the upcoming release. A blog at J-Development provide complete details about the new features coming in this version. And an Early Draft of the specification is available for some time now.

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  • What's Your Supply Chain+Manufacturing Strategy for Success

    - by [email protected]
    Forward thinking enterprises look to eliminate their dependence on legacy applications that manage information in batch - replacing them with real-time integrated/modern information managment. With rapid manufacturing and global supply chains much more complex today, with the pace of chance ever increasing, leading organizations need better ways to orchestrate their supply chain synchronization with their partner and customer base. EM magazine Mar/Apr'10 edition, covers this topic in an article "Strategising for Success" pgs 26-27, and discusses the available options to organizations as they drive improvements in the levels of collaboration with their partners, suppliers, shippers, distributors and ultimately their end-users, the customer! I'll past the link to the article here as soon as i validate/confirm it.

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  • Create a Smoother Period Close

    - by Get Proactive Customer Adoption Team
    Untitled Document Do You Use Oracle E-Business Suite Products Involved in Accounting Period Closes? We understand that closing the periods in your system at the end of an accounting period enables your company to make the right business decisions. We also know this requires prior preparation, good procedures, and quality data. To help you meet that need, Oracle E-Business Suite’s proactive support team developed the Period Close Advisor to help your organization conduct a smooth period close for its Oracle E-Business Suite 12 products. The Period Close Advisor is composed of logical steps you can follow, aligned by the business requirement flow. It will help with an orderly close of the product sub-ledgers before posting to the General Ledger. It combines recommendations and industry best practices with tips from subject matter experts for troubleshooting. You will find patches needed and references to assist you during each phase. Get to know the E-Business Suite Period Close Advisor The Period Close Advisor does more than help the users of Oracle E-Business Suite products close their period. You can use it before and throughout the period to stay on track. Proactively it assists you as you set up your company’s period close process. During the period, it helps evaluate your system’s readiness for initiating the period close procedures and prepare the system for a smooth period close experience. The Period Close Advisor gets you to answers when you have questions and gives you the latest news from us on Oracle E-Business Suite’s period close. The Period Close Advisor is the right place to start. How to Use the E-Business Suite Period Close The Period Close Advisor graphically guides you through your period close. The tabs show you the products (also called applications or sub-ledgers) covered, and the product order required for the processing to handle any dependencies between the products. Users of all the products it covers can benefit from the information it contains. Structure of the Period Close Advisor Clicking on a tab gives you the details for that particular step in the process. This includes an overview, showing how the products fit into the overall period close process, and step-by-step information on each phase needed to complete the period close for the tab. You will also find multimedia training and related resources you can access if you need more information. Once you click on any of the phases, you see guidance for that phase. This can include: Tips from the subject-matter experts—here are examples from a Cash Management specialist: “For organizations with high transaction volumes bank statements should be loaded and reconciled on a daily basis.” “The automatic reconciliation process can be set up to create miscellaneous transactions automatically.” References to useful Knowledge Base documents: Information Centers for the products and features FAQs on functionality Known Issues and patches with both the errors and their solutions How-to documents that explain in detail how to use a feature or complete a process White papers that give overview of a feature, list setup required to use the feature, etc. Links to diagnosticsthat help debug issues you may find in a process Additional information and alerts about a process or reports that can help you prevent issues from surfacing This excerpt from the “Process Transaction” phase for the Receivables product lists documents you’ll find helpful. How to Get Started with the Period Close Advisor The Period Close Advisor is a great resource that can be used both as a proactive tool (while setting up your period end procedures) and as the first document to refer to when you encounter an issue during the period close procedures! As mentioned earlier, the order of the product tabs in the Period Close Advisor gives you the recommended order of closing. The first thing to do is to ensure that you are following the prescribed order for closing the period, if you are using more than one sub-ledger. Next, review the information shared in the Evaluate and Prepare and Process Transactions phases. Make sure that you are following the recommended best practices; you have applied the recommended patches, etc. The Reconcile phase gives you the recommended steps to follow for reconciling a sub-ledger with the General Ledger. Ensure that your reconciliation procedure aligns with those steps. At any stage during the period close processing, if you encounter an issue, you can revisit the Period Close Advisor. Choose the product you have an issue with and then select the phase you are in. You will be able to review information that can help you find a solution to the issue you are facing. Stay Informed Oracle updates the Period Close Advisor as we learn of new issues and information. Bookmark the Oracle E-Business Suite Period Close Advisor [ID 335.1] and keep coming back to it for the latest information on period close

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  • What programming language and framework has best support for agile web development?

    - by Jonas
    If I would like to quickly set up a modern website, what programming language + framework has best support for this? E.g. short and easy to understand code for a beginner and a framework with support for modern features. Disregard my current knowledge, I'm more interested in the capacity of web programming languages and frameworks. Some requirements: RESTful URIs: http://example.com/category/id/page-title similar to the urls here on Programmers. ORM. A framework that has good database support and provide ORM or maybe a NoSQL-database. Good support for RESTful WebServices. Good support for testing and unit testing, to make sure the site is working as planned. Preferably a site that is ready to scale with an increasing number of users.

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  • Day 1 of Oracle OpenWorld 2012 September 30

    - by Maria Colgan
    Howard Street in San Francisco is closed. The large Oracle tent is up! Attendees are arriving by the plane load at SFO. It can only mean one thing .... That's right!  Oracle OpenWorld officially starts today with the Oracle Users Forum. Ton's of great technical sessions selected by the Oracle User Groups get under way this morning at 8 am (Doh!). And of course, Larry's keynote is this evening 5:00 pm–7:00 pm, Moscone North. A must see, as he is bound to make some exciting announcements to get the show started! Hope to see ya there!   +Maria Colgan  

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  • One more chance to get your JDeveloper/ADF session into OOW

    - by shay.shmeltzer
    Did you miss the deadline for submitting sessions to OOW/Oracle Develop? Did you submit a session that didn't get in? Here is one more chance to get a session in - the "suggest a session" process on Oracle Mix is now open to session submissions by users. Then there will be a voting period open to the public - and the most popular sessions will be added to the OOW/Oracle Develop schedule. This is probably your last chance to get a session in this year, and get a free speaker pass to the event. So don't miss it - share your knowledge. https://mix.oracle.com/oow10/proposals More info on the process here.

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  • New release of &quot;OLAP PivotTable Extensions&quot;

    - by Luca Zavarella
    For those who are not familiar with this add-in, the OLAP PivotTable Extensions add features of interest to Excel 2007 or 2010 PivotTables pointing to an OLAP cube in Analysis Services. One of these features I like very much, is to know the MDX query code associated with the pivot used at that time in Excel: You can find all the details here: http://olappivottableextend.codeplex.com/ It was recently released a new version of the add-in (version 0.7.4), which does not introduce any new features, but fixes a significant bug: Release 0.7.4 now properly handles languages but introduces no new features. International users who run a different Windows language than their Excel UI language may be receiving an error message when they double click a cell and perform drillthrough which reads: "XML for Analysis parser: The LocaleIdentifier property is not overwritable and cannot be assigned a new value". This error was caused by OLAP PivotTable Extensions in some situations, but release 0.7.4 fixes this problem. Enjoy!

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  • Screencast several application windows at once in Microsoft Windows

    - by Birt
    I have several (20+) applications running on a Microsoft Windows PC. What I would like is a solution that allows me to broadcast the window of each application in a webpage, in readonly mode (there's no need for the users to interact with it). This should work even if the application is in the background, seeing that there's no way to fit all of them on the screen. I performed very extensive searching, from simple screencasting apps such as Camtasia, CamStudio or VHScrCap to things like VNC (haven't found any server able to broadcast multiple windows at once, much less background windows) and even application virtualization, but in the end I haven't found anything that fits my needs. Most solutions that allow capturing a window instead of the whole desktop will not let you capture multiple windows but only a single window and on top of that they don't even work when the window is in the background.

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  • How to implement Cache in web apps?

    - by Jhonnytunes
    This is really two questions. Im doing a project for the university for storing baseball players statitics, but from baseball data I have to calculate the score by year for the player who is beign displayed. The background is, lets say 10, 000 users hit the player "Alex Rodriguez", the application have to calculate 10, 000 the A-Rod stats by years intead of just read it from some where is temporal saved. Here I go: What is the best method for caching this type of data? Do I have to used the same database, and some temporal values on the same database, or create a Web Service for that? What reading about web caching so you recommend?

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  • Sweet and Sour Source Control

    - by Tony Davis
    Most database developers don't use Source Control. A recent anonymous poll on SQL Server Central asked its readers "Which Version Control system do you currently use to store you database scripts?" The winner, with almost 30% of the vote was...none: "We don't use source control for database scripts". In second place with almost 28% of the vote was Microsoft's VSS. VSS? Given its reputation for being buggy, unstable and lacking most of the basic features required of a proper source control system, answering VSS is really just another way of saying "I don't use Source Control". At first glance, it's a surprising thought. You wonder how database developers can work in a team and find out what changed, when the system worked before but is now broken; to work out what happened to their changes that now seem to have vanished; to roll-back a mistake quickly so that the rest of the team have a functioning build; to find instantly whether a suspect change has been deployed to production. Unfortunately, the survey didn't ask about the scale of the database development, and correlate the two questions. If there is only one database developer within a schema, who has an automated approach to regular generation of build scripts, then the need for a formal source control system is questionable. After all, a database stores far more about its metadata than a traditional compiled application. However, what is meat for a small development is poison for a team-based development. Here, we need a form of Source Control that can reconcile simultaneous changes, store the history of changes, derive versions and builds and that can cope with forks and merges. The problem comes when one borrows a solution that was designed for conventional programming. A database is not thought of as a "file", but a vast, interdependent and intricate matrix of tables, indexes, constraints, triggers, enumerations, static data and so on, all subtly interconnected. It is an awkward fit. Subversion with its support for merges and forks, and the tolerance of different work practices, can be made to work well, if used carefully. It has a standards-based architecture that allows it to be used on all platforms such as Windows Mac, and Linux. In the words of Erland Sommerskog, developers should "just do it". What's in a database is akin to a "binary file", and the developer must work only from the file. You check out the file, edit it, and save it to disk to compile it. Dependencies are validated at this point and if you've broken anything (e.g. you renamed a column and broke all the objects that reference the column), you'll find out about it right away, and you'll be forced to fix it. Nevertheless, for many this is an alien way of working with SQL Server. Subversion is the powerhouse, not the GUI. It doesn't work seamlessly with your existing IDE, and that usually means SSMS. So the question then becomes more subtle. Would developers be less reluctant to use a fully-featured source (revision) control system for a team database development if they had a turn-key, reliable system that fitted in with their existing work-practices? I'd love to hear what you think. Cheers, Tony.

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