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  • Is Query Performance different for different versions of SQL Server?

    - by Ronak Mathia
    I have fired 3 update queries in my stored procedure for 3 different tables. Each table contains almost 2,00,000 records and all records have to be updated. I am using indexing to speed up the performance. It quite working well with SQL Server 2008. stored procedure takes only 12 to 15 minutes to execute. (updates almost 1000 rows in 1 second in all three tables) But when I run same scenario with SQL Server 2008 R2 then stored procedure takes more time to complete execution. its about 55 to 60 minutes. (updates almost 100 rows in 1 second in all three tables). I couldn't find any reason or solution for that. I have also tested same scenario with SQL Server 2012. but result is same as above. Please give suggestions.

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  • Inside the Raspberry Pi Factory

    - by Jason Fitzpatrick
    Curious where your pint-sized Raspberry Pi came from? You might be surprised to learn it was built, tested, and packaged all in an equally pint-sized factory in South Wales. Nick Heath of Tech Republic takes us on a photo tour of the Raspberry Pi factory with a stop at each stage of production and testing. The photo above shows one of the manual construction steps, the insertion of the large components such as the USB and Ethernet ports. Hit up the link below for the full tour. Raspberry Pi: Inside the Pi Factory [Tech Republic] Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus?

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  • That Physics of Coffee Rings [Video]

    - by Jason Fitzpatrick
    The rings left behind by coffee cups are distinctly uniform in their distribution–the stain is always around the edge. This video from the University of Pennsylvania’s Physics Department demonstrates why. Check out the above video to see the physics behind the ring-shaped stains and how altering the shape of the particulate in the liquid completely changes the shape of the stain. The Coffee Ring Effect [via Neatorama] HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full

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  • WHMCS Fatal error: Out of memory while View Invoice PDF

    - by prakash
    I can log into WHMCS & can access everything I should be able to access, but if i try to click View PDF Invoice, the following error will occur, Fatal error: Out of memory (allocated 67633152) (tried to allocate 76 bytes) in /home/xxxx/public_html/whmcs/includes/classes/class.tcpdf.php on line 8419 I have already set the allocated Memory limit to 256MB, but the error still occurs. At that time of the error, the process memory is exceeding the allocation I set. I checked log file, and found the following errors: #2 /home/xxxxx/public_html/client/includes/classes/class.tcpdf.php(8453): TCPDF->Image('/home/xxxxx/...', 20, 25, 75, 17.5816023739, 'PNG', '', '', false, 300, '', false, 8) #3 /home/xxxxx/public_html/client/includes/classes/class.tcpdf.php(7881): TCPDF->ImagePngAlpha('/home/xxxxx/...', 20, 25, 337, 79, 75, 17.5816023739, 'PNG', '', '', false, 300, '', NULL) While I was investigating the issue above I also noticed the error condition pictured below:

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  • Non-disruptive desktop-clock?

    - by YSN
    Hello, is there a clock application, that can be placed on your screen like a widget staying always on top but automatically fades away on mouseover enabling you to click through it on items below, (behaves pretty much like the Ubuntu notifications). I am aware, that there are screenlets and gdesklets widget apps, but those are buggy, look outdated, and do not comply with the criteria listed above. What I have in mind is a clock that is large, (digital), always visible (on top of all other windows), and does not disrupt your work (e.g. you can still click that scroll bar or button if it is just below the clock, since the clock fades away on hovering). Thanks in advance, YSN

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  • Silverlight Relay Commands

    - by George Evjen
    v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 false false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} I am fairly new at Silverlight development and I usually have an issue that needs research every day. Which I enjoy, since I like the idea of going into a day knowing that I am  going to learn something new. The issue that I am currently working on centers around relay commands. I have a pretty good handle on Relay Commands and how we use them within our applications. <Button Command="{Binding ButtonCommand}" CommandParameter="NewRecruit" Content="New Recruit" /> Here in our xaml we have a button. The button has a Command and a CommandParameter. The command binds to the ButtonCommand that we have in our ViewModel RelayCommand _buttonCommand;         /// <summary>         /// Gets the button command.         /// </summary>         /// <value>The button command.</value>         public RelayCommand ButtonCommand         {             get             {                 if (_buttonCommand == null)                 {                     _buttonCommand = new RelayCommand(                         x => x != null && x.ToString().Length > 0 && CheckCommandAvailable(x.ToString()),                         x => ExecuteCommand(x.ToString()));                 }                 return _buttonCommand;             }         }   In our relay command we then do some checks with a lambda expression. We check if the command  parameter is null, is the length greater than 0 and we have a CheckCommandAvailable method that will tell  us if the button is even enabled. After we check on these three items we then pass the command parameter to an action method. This is all pretty straight forward, the issue that we solved a few days ago centered around having a control that needed to use a Relay Command and this control was a nested control and was using a different DataContext. The example below illustrates how we handled this scenario. In our xaml usercontrol we had to set a name to this control. <Controls3:RadTileViewItem x:Class="RecruitStatusTileView"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"      xmlns:Controls1="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls"      xmlns:Controls2="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Input"      xmlns:Controls3="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation"      mc:Ignorable="d" d:DesignHeight="400" d:DesignWidth="800" Header="{Binding Title,Mode=TwoWay}" MinimizedHeight="100"                             x:Name="StatusView"> Here we are using a telerik RadTileViewItem. We set the name of this control to “StatusView”. In our button control we set our command parameters and commands different than the example above. <HyperlinkButton Content="{Binding BigBoardButtonText, Mode=TwoWay}" CommandParameter="{Binding 'Position.PositionName'}" Command="{Binding ElementName=StatusView, Path=DataContext.BigBoardCommand, Mode=TwoWay}" /> This hyperlink button lives in a ListBox control and this listbox has an ItemSource of PositionSelectors. The Command Parameter is binding to the Position.Position property of that PositionSelectors object. This again is pretty straight forward again. What gets a bit tricky is the Command property in the hyperlink. It is binding to the element name we created in the user control (StatusView) Because this hyperlink is in a listbox and is in the item template it doesn’t have a direct handle on the DataContext that the RadTileViewItem has so we have to make sure it does. We do that by binding to the element name of status view then set the path to DataContext.BigBoardCommand. BigBoardCommand is the name of the RelayCommand in the view model. private RelayCommand _bigBoardCommand = null;         /// <summary>         /// Gets the big board command.         /// </summary>         /// <value>The big board command.</value>         public RelayCommand BigBoardCommand         {             get             {                 if (_bigBoardCommand == null)                 {                     _bigBoardCommand = new RelayCommand(x => true, x => AddToBigBoard(x.ToString()));                 }                 return _bigBoardCommand;             }         } From there we check for true again and then call the action and pass in the parameter that we had as the command parameter. What we are working on now is a bit trickier than this second example. In the above example we are only creating this TileViewItem with this name “StatusView” once. In another part of our application we are generating multiple TileViewItems, so we cannot set the name in the control as we cant have multiple controls with the same name. When we run the application we get an error that reads that the value is out of expected range. My searching has led me to think we cannot have multiple controls with the same name. This is today’s problem and Ill post the solution to this once it is found.

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  • How to setup an encrypted voip structure?

    - by strapakowsky
    What is the simplest way to set up a voip structure in a Linux machine with the following features: 1) Using free software 2) For computer-to-computer calls: end-to-end encryption set by the users, unpaid, no central authority (so skype is out) 3) For computer-to-phone calls: paid or unpaid, desirable encryption on the computer side if that is even possible 4) Ability to have a number to receive calls from regular phones My research concluded that the sip protocol is the most popular. However most discussions I've read on sip are too technical and I felt it discourages the regular user who wants to just click and talk. So I put the question above and created some separate questions about privacy with sip registrars, privacy with voip suppliers, what to look for in a sip registrar, what to look for in a voip provider. As for the software, I noticed most software either don't provide encryption (eg Ekiga) or the software doesn't work nicely and the project is abandoned (eg Twinkle), so no option seemed satisfying.

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  • Making your ASP.NET/HTML Websites Indic aware &ndash; accepting Tamil, Telugu, Kannada, Hindi and ot

    - by Harish Ranganathan
    Its been a month since I wrote my last post.  Much of work has been happening around planning for Tech Ed India, the upcoming Virtual TechDays this week as well as our Developer content at the Great Indian Developer Summit 2010.  Its going to be one exciting period starting this week and I am glad I would be able to meet a lot of folks who have written to me personally that they would like to catch up at Tech Ed India. For now, I had a chance to meet the Microsoft India Development Centre team that worked on the Microsoft Indic Language Input Tool (erstwhile Akshara). The team updated me that they have also released the scripts  so that the Indic input feature can be encapsulated into your own websites.  For example, if you are having a web page where you collect user information, you can pretty much make your site indic aware i.e. accept inputs in Tamil, Telugu, Kannada, Hindi etc.,  All you would need to include would be a bunch of scripts onto your web pages and you are ready to make it, like I said, “indic aware” I have built a sample web page that accepts First Name, Last Name, Address and an additional field.  When it comes to accepting indic, sometimes, you may want to avoid the indic input in certain fields and accept it in English.  You can specify the MicrosoftILITWebAttach="false" attribute to the Text Boxes and Text Areas (TextMode=”Multiline” in ASP.NET) so that the particular field automatically switches over to English input.  Similarly, the moment you specify that the TextMode=”Password” to make it as a password field, it automatically ignores all indic recognition and shows the masked dots for the words entered. Note that, this is, when we are going for the Opt-out mode, where we are specifying that by default all the input controls would need indic awareness and we would specify for those controls where it is not required.  The other mode is Opt-in mode where you would need to add a different property to the script definition i.e. attachMode=”optin” .  When we do this, we need to explicitly add the MicrosoftILITWebAttach="true" attribute for every control where we need indic input. I have created a sample web page which accepts First Name, Last Name, Address and an additional input field to demonstrate the “Opt-out”.   You can copy paste this into any of your web pages to check it <form id="form1" runat="server">     <!-- Microsoft Indic Language Input Tool embed code --> <input type="hidden" id="MicrosoftILITWebEmbedInfo" attachMode="optout" value="" /> <script type="text/javascript" src="http://ilit.microsoft.com/bookmarklet/script/Tamil.js" defer="defer"></script>     <div>     <h2>         Welcome to the Registration Page     </h2>     <p>         First Name: <asp:TextBox runat="server" ID="txtFirstName" />         <br />         <br />         Last Name: <asp:TextBox runat="server" ID="txtLastName" />         <br />         <br />         Password:         <asp:TextBox runat="server" ID="txtPassword" TextMode="Password" />         <br />         <br />         Address: <asp:TextBox runat="server" ID="txtAddress" TextMode="MultiLine" Height="100" Width="200" />         <br />         <br />         English Text: <asp:TextBox ID="txtEnglishText" runat="server" MicrosoftILITWebAttach="false" />     </p>     <p>         <!-- Microsoft Indic Language Input Tool attribution image link --> <a style="text-decoration: none" href="http://go.microsoft.com/fwlink/?LinkID=184205&clcid=0x409"><img style="border: 0px" alt="Transliteration by Microsoft" src="http://ilit.microsoft.com/bookmarklet/images/attribution.png"></a>     </p>     </div>     </form> If you note the code snippet above, I have included the scripts in the top with the attachMode set to “optout” and for the last TextBox, I have mentioned the MicrosoftILITWebAttach="false” attribute to make it accept English input.   Additionally, you also need to add the “Microsoft Indic Language Input Tool attribution image” to your web page as a courtesy to the team that developed this feature.  It would basically add a image saying “Transliteration by Microsoft” similar to a Copy Right image.  You can see the screen shot below where I have typed it in Tamil.  In that you will notice that the password field behaves as expected and the last field accepts English Text.  You can also notice the icon that comes in the first textbox that indicates that, the field is going to accept indic text.   This sample is using Tamil, but you can pretty much do it for Hindi, Telugu, Kannada, Marathi, Bengali etc.,   The website for getting the Indic script and other instructions is http://specials.msn.co.in/ilit/WebEmbed.aspx?language=Tamil You can replace the querystring value “Tamil” to other languages as mentioned above to get the respective script. This also works for plain HTML based websites and doesn’t necessarily need you to use ASP.NET to achieve the functionality. Note that, this form is not completely localized.  This is transliterated.  You can add label controls for FirstName, LastName indication etc., and use the Visual Studio tools to localize and get those values from resource files.  In the resource files, you can enter the text in different languages to make this a truly localized page.  If you just want to download the Indic Tool Desktop version (that can be used for typing in Word, Excel, pretty much any input area), you can download it from http://specials.msn.co.in/ilit/  In the same page, there is also a web version where you can type and get text then and there if you dont want to install the desktop version. So, go ahead, download / use them in your websites and enjoy the power of Indic. Cheers !!!

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  • unable to mount internal disk mount exited with exit code 13

    - by Masri
    My Ubuntu get into error when I try to mount one of my internal disks and it gives this error message: Error mounting: mount exited with exit code 13: $MFTMirr does not match $MFT (record 3). Failed to mount '/dev/sda7': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details. pls advise how to solve above error ,Many thanks to you in advance.

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  • ubuntu-server 12.04 installation-CD ------- same bug like debian 6.0.4 installation-CD? [closed]

    - by dschinn1001
    The dvd-drive of a notebook is a MatshitaBD-CMB UJ-120 Hint for you. e.g. Debian Installation-CD with Debian 6.0 resp. Debian 6.0.3 was working fine and has no trouble with this device. Installation-CD with Debian 6.0.4 is behaving same like the Ubuntu-Server-12.04-CD. They both don't recognize this dvd-combo-drive above, This problem was solved with Kernel 3.2.24.x and 3.4.x Happy Coding. Regards. dschinn1001 PS: see comment following below !

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  • Inside the Guts of a DSLR

    - by Jason Fitzpatrick
    It’s safe to assume that there is a lot more going on inside your modern DSLR than your grandfather’s Kodak Brownie, but just how much hardware is packed into the small casing of your average DSLR is quite surprising. Over at iFixit they’ve done a tear down of Nikon’s newest prosumer camera, the Nikon D600. The guts of the DSLR are absolutely bursting with hardware and flat-ribbon cable as seen in the photo above. For a closer look at the individual parts and to see it further torn down, hit up the link below. Nikon D600 Teardown [iFixit via Extreme Tech] 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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  • JustCode Provides Reflector Alternative

    - by Joe Mayo
    If you've been a loyal Reflector user, you've probably been exposed to the debacle surrounding RedGate's decision to no longer offer a free version.  Since then, the race has begun for a replacement with a provider that would stand by their promises to the community.  Mono has an ongoing free alternative, which has been available for a long time.  However, other vendors are stepping up to the plate, with their own offerings. If Not Reflector, Then What? One of these vendors is Telerik.  In their recent Q1 2011 release of JustCode, Telerik offers a decompilation utility rivaling what we've become accustomed to in Reflector.  Not only does Telerik offer a usable replacement, but they've (in my opinion), produced a product that integrates more naturally with visual Studio than any other product ever has.  Telerik's decompilation process is so easy that the accompanying demo in this post is blindingly short (except for the presence of verbose narrative). If you want to follow along with this demo, you'll need to have Telerik JustCode installed.  If you don't have JustCode yet, you can buy it or download a trial at the Telerik Web site . A Tall Tale; Prove It! With JustCode, you can view code in the .NET Framework or any other 3rd party library (that isn't well obfuscated).  This demo depends on LINQ to Twitter, which you can download from CodePlex.com and create a reference or install the package online as described in my previous post on NuGet.  Regardless of the method, you'll have a project with a reference to LINQ to Twitter.  Use a Console Project if you want to follow along with this demo. Note:  If you've created a Console project, remember to ensure that the Target Framework is set to .NET Framework 4.  The default is .NET Framework 4 Client Profile, which doesn't work with LINQ to Twitter.  You can check by double-clicking the Properties folder on the project and inspecting the Target Framework setting. Next, you'll need to add some code to your program that you want to inspect. Here, I add code to instantiate a TwitterContext, which is like a LINQ to SQL DataContext, but works with Twitter: var l2tCtx = new TwitterContext(); If you're following along add the code above to the Main method, which will look similar to this: using LinqToTwitter; namespace NuGetInstall { class Program { static void Main(string[] args) { var l2tCtx = new TwitterContext(); } } } The code above doesn't really do anything, but it does give something that I can show and demonstrate how JustCode decompilation works. Once the code is in place, click on TwitterContext and press the F12 (Go to Definition) key.  As expected, Visual Studio opens a metadata file with prototypes for the TwitterContext class.  Here's the result: Opening a metadata file is the normal way that Visual Studio works when navigating to the definition of a type where you don't have the code.  The scenario with TwitterContext happens because you don't have the source code to the file.  Visual Studio has always done this and you can experiment by selecting any .NET type, i.e. a string type, and observing that Visual Studio opens a metadata file for the .NET String type. The point I'm making here is that JustCode works the way Visual Studio works and you'll see how this can make your job easier. In the previous figure, you only saw prototypes associated with the code. i.e. Notice that the default constructor is empty.  Again, this is normal because Visual Studio doesn't have the ability to decompile code.  However, that's the purpose of this post; showing you how JustCode fills that gap. To decompile code, right click on TwitterContext in the metadata file and select JustCode Navigate -> Decompile from the context menu.  The shortcut keys are Ctrl+1.  After a brief pause, accompanied by a progress window, you'll see the metadata expand into full decompiled code. Notice below how the default constructor now has code as opposed to the empty member prototype in the original metadata: And Why is This So Different? Again, the big deal is that Telerik JustCode decompilation works in harmony with the way that Visual Studio works.  The navigate to functionality already exists and you can use that, along with a simple context menu option (or shortcut key) to transform prototypes into decompiled code. Telerik is filling the the Reflector/Red Gate gap by providing a supported alternative to decompiling code.  Many people, including myself, used Reflector to decompile code when we were stuck with buggy libraries or insufficient documentation.  Now we have an alternative that's officially supported by a company with an excellent track record for customer (developer) service, Telerik.  Not only that, JustCode has several other IDE productivity tools that make the deal even sweeter. Joe

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  • Rewrite Generic URLs into real URLs on Google Analytics

    - by valdroni
    I have an iPhone app for a forum which also has a limited Google Analytics reporting. This app reports the page views in following generic form: /forum/67 /thread/29036 etc... The numbers above represent forum and thread ID's I am trying to set an Advanced filter, which will rewrite/report the page views in Google Analytics in following form: http://www.mysite.com/forum-67.html http://www.mysite.com/thread-29036.html Can someone please assist me in creating an Advanced Google Analytics filter which will enable me to see URL's so they can be live and send to correct page. Is there another method to achieve what I'm looking for ? Obviously there will be a need for some RegExp matches, but I cannot get around it.

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  • DLNA Media Server and external subtitles

    - by Lobo
    I'm looking DLNA Media Server with the features above: Support most extended video formats. Reproduce external subtitles in client side. Open source or freeware software. USE CASE: DLNA Media server installed and running on my PC. In my PC, I have /home/myprofile/videos directory where I store all my video files. For example, game.of.thrones.s09.e06.mpg and game.of.thrones.s09.e06.srt Turn on my Smart-TV, connect to my DLNA Media Server (installed on my PC) Play game.of.thrones.s09.e06.mpg file and see the subtitles overlapped. Finally, my question: Is there some DLNA Media server that provides that use case?. Thank you.

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  • Deploying a very simple application

    - by vanna
    I have a very simple working console application written in C++ linked with a light static library. It is just for testing purposes. Now that the coding part is done, I would like to know the process of actually deploying the program. I wrote a very basic CMakeLists.txt that create makefiles or VS projects to build the sources. I also have a program that calls the static library in order to make some google tests. To me, the distribution of this application goes like this : to developpers : the src directory with the CMakeLists.txt file (multi-platform distribution) with a README.txt and an INSTALL.txt to users : the executable and a README.txt git repo : everything mentionned above plus the sources for testing and the gtest external lib A this point : considering the complexity of my application, am I doing it right ? Is there any reference that would formalize this deployment process so I can get better and go further ? Say I would like to add dynamic libraries that can be updated, external libraries like boost : how should I package this to deploy it in a professionnal way ?

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  • Why don't Normal maps in tangent space have a single blue color?

    - by seahorse
    Normal maps are predominantly blue in color because the z component maps to Blue and since normals point out of the surface in the z direction we see Blue as the predominant component. If the above is true then why are normal maps just of one color i.e. blue and they should not be having any other shades(not even shades of blue) Since by definition tangent space is perpendicular to normal at any point we should have the normal always pointing in the Z (Blue direction) with no X(Red component) and Y(Green component). Thus the normal map(since it is a "normal map") should have had color of normals which is just the Blue(Z =Blue compoennt = 1, R=0, G=0) and the normal map should have been of only Blue color with no shades in between. But even then normal maps are not so, and they have gradients of shades in them, why is this so?

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  • Github Workflow: Pushing small fix branches to remote, or keep them local?

    - by Isaac Hodes
    In Scott Chacon's workflow (explained eg in this SO answer), with essentially two silos (development, and master), if, say I have a small bug to fix (e.g. can be fixed with a few characters) is the optimal way of doing that: a) branch off of development a branch called e.g. fix_123. Push this branch to origin as I work on it. When it's done, code-reviewed, whatever, merge into development and push development to origin. b) Same as above, but without pushing fix_123 to origin.

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  • Thread problem updating Windows Forms control in XNA C#

    - by Luis
    I'm development a network card game, and for now i've two players connected but there is a problem with one of them, this one can't do anything on the game. Looks that screen was blocked. I'm think that is because a code i used before. That code is: if (InvokeRequired) { this.Invoke(new MethodInvoker(delegate { ... })); return; } The code above is surrounding code to changing Button values, make connection with server and create game window. Without this code a warning is shown. InvalidOperationException was unhandled Cross-thread operation not valid: Control 'startGameButton' accessed from a thread other than the thread it was created on.

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  • How Stuff Works: Fiber Optic Cables [Science]

    - by Jason Fitzpatrick
    Most people are familiar with the general concept of fiber optic cables–light as a method of data transmission–but how do they really work? Find out in this informative video. Bill Hammack, of Engineer Guy Videos, shows us how fiber optic cables work using–of all things–a bucket and a laser. Check out the above video for a glimpse inside how fiber optic cables work and how your analog voice can go to from your phone’s handset to a digital stream and then back to analog sound for the benefit of your friend on the end of the fiber optic transmission cable. Fiber Optic Cables: How They Work and How Engineers Use Them to Send Messages [YouTube] What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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  • Questions about linking libraries in C

    - by james
    I am learning C (still very much a beginner) on Linux using the GCC compiler. I have noticed that some libraries, such as the library used with the math.h header, need to be linked in manually when included. I have been linking in the libraries using various flags of the form -l[library-name], such as -lm for the above-mentioned math library. However, after switching from the command line and/or Geany to Code::Blocks, I noticed that Code::Blocks uses g++ to compile the programs instead of the gcc that I am used to (even though the project is definitely specified as C). Also, Code::Blocks does not require the libraries to be manually linked in when compiling - libraries such as the math library just work. I have two questions: Firstly, is it "bad" to compile C programs with the g++ compiler? So far it seems to work, but after all, C++ is not C and I am quite sure that the g++ compiler is meant for C++. Secondly, is it the g++ compiler that is doing the automatic linking of the libraries in Code::Blocks?

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  • Error: type or namespace name 'AssemblyKeyFileAttribute' and 'AssemblyKeyFile' could not be found

    To associate an assembly with a strong key file to store it to GAC, we use should include following line after all the imports and before defing namespace. For VB.NET:  <Assembly: AssemblyKeyFile("c:\path\mykey.snk")> For C#:    [assembly: AssemblyKeyFile(@"c:\path\mykey.snk")] but, you might encounter following two errors at the time of creating Assembly for GAC. 1. The type or namespace name 'AssemblyKeyFileAttribute' could not be found (are you missing a using directive or an assembly reference?) 2. The type or namespace name 'AssemblyKeyFile' could not be found (are you missing a using directive or an assembly reference?) How to resolve these errors: Just include "System.Reflection" namespace. It resolve above two errors. span.fullpost {display:none;}

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  • SQL SERVER – Retrieving Random Rows from Table Using NEWID()

    - by pinaldave
    I have previously written about how to get random rows from SQL Server. SQL SERVER – Generate A Single Random Number for Range of Rows of Any Table – Very interesting Question from Reader SQL SERVER – Random Number Generator Script – SQL Query However, I have not blogged about following trick before. Let me share the trick here as well. You can generate random scripts using following methods as well. USE AdventureWorks2012 GO -- Method 1 SELECT TOP 100 * FROM Sales.SalesOrderDetail ORDER BY NEWID() GO -- Method 2 SELECT TOP 100 * FROM Sales.SalesOrderDetail ORDER BY CHECKSUM(NEWID()) GO You will notice that using NEWID() in the ORDER BY will return random rows in the result set. How many of you knew this trick? You can run above script multiple times and it will give random rows every single time. Reference: Pinal Dave (http://blog.sqlauthority.com)   Filed under: PostADay, SQL, SQL Authority, SQL Function, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • When should I increment version number?

    - by ahmed
    I didn't learn programming at school and I do not work as a (professional) developer, hence a lot of basics are not quite clear to me. This question tries to clarify one of them. Now let's suppose that I have issues #1, #2 and #3 in my Issues Tracker that are set to be corrected/enhanced for version 1.0.0 and that the last (stable) version is 0.9.0. When should I increment to version 1.0.0 ? When a) just one of the listed above issues is closed or b) when all the issues related to version 1.0 are closed ? Which one is the right way to do it ? And by the right way, I mean what is currently used in the industry. Thanks.

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  • CDN for site with target market in Australia

    - by Jae Choi
    I was told that http://www.edgecast.com/ is very good CDN provider for Australian market. I have a cloud server based in Sydney Australia but was wondering whether it's even worth getting cdn as my target market is only Australia based also. Would I see any performance gain if I use above CDN services or would this be more for sites that target international visitors? I have Apache installed in our server but I would like to install Nginx. Would I see much more gain in performance on this change than CDN or should I go for both as they are all beneficial?

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  • What to do with database in dev/production phases of a website?

    - by TheLQ
    For a while now I've been keeping a website I'm developing in the standard dev/production phases. Its been pretty simple: Mercurial repo for dev, repo for production. Do work in dev, get approved, push to production. But now I'm trying to apply this process to a new website that has a database and am struggling on how to figure out a development strategy. What I didn't mention above is that I do all my work on my own repo, push it to dev, then later push it to production, so its 3 different servers. So how do I manage my database? The obvious solution of mysqldump every commit isn't going to happen, and a dump at the end of the day isn't all that helpful when you want to undo later one change that happened in the middle of the day. What is the best way to accomplish this?

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