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SQL - Select first 10 rows only?

... What's the difference between limit 0, 10 and limit 10? And why doesn't limit 10, 20 give me 10 rows between the 10th and 20th rows? EDIT: Oh, so limit 10, 20 means give me 20 rows after the 10th row. If I want rows between 10 and 20 I have to do limit 10, 10. Thank...
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Drop shadow for PNG image in CSS

..., using a combination of dropshadow-filter (for Webkit), SVG (for Firefox) and DX filters for IE. .shadowed { -webkit-filter: drop-shadow(12px 12px 25px rgba(0,0,0,0.5)); filter: url(#drop-shadow); -ms-filter: "progid:DXImageTransform.Microsoft.Dropshadow(OffX=12, OffY=12, Color='#444')...
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Naming convention for utility classes in Java

..., as that you use it consistently. Like, if you have three utility classes and you call them CustomerUtil, ProductUtils, and StoreUtility, other people trying to use your classes are going to constantly get confused and type CustomerUtils by mistake, have to look it up, curse you a few times, etc. (...
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How do I detect what .NET Framework versions and service packs are installed?

...ncies, .NET 3.0 adds additional functionality to .NET 2.0 so both .NET 2.0 and .NET 3.0 must both evaulate as being installed to correctly say that .NET 3.0 is installed. Likewise, .NET 3.5 adds additional functionality to .NET 2.0 and .NET 3.0, so .NET 2.0, .NET 3.0, and .NET 3. should all evaluate...
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Difference Between ViewData and TempData?

I know what ViewData is and use it all the time, but in ASP.NET Preview 5 they introduced something new called TempData. 6...
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Android: How to enable/disable option menu item on button click?

...enu() method is called only once, as described above. The system keeps and re-uses the Menu you define in this method until your activity is destroyed. If you want to change the Options Menu any time after it's first created, you must override the onPrepareOptionsMenu() method. This ...
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How can I force WebKit to redraw/repaint to propagate style changes?

... I found some complicated suggestions and many simple ones that didn’t work, but a comment to one of them by Vasil Dinkov provided a simple solution to force a redraw/repaint that works just fine: sel.style.display='none'; sel.offsetHeight; // no need to store...
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Percentage Height HTML 5/CSS

...of the parent you've made yourself a little Catch 22. The browser gives up and just uses the content height. So the parent of the div must have an explicit height property. Whilst that height can also be a percentage if you want, that just moves the problem up to the next level. If you want to mak...
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image.onload event and browser cache

...ge is loaded"); } img.src = "img.jpg"; Fiddle - tested on latest Firefox and Chrome releases. You can also use the answer in this post, which I adapted for a single dynamically generated image: var img = new Image(); // 'load' event $(img).on('load', function() { alert("image is loaded"); }); ...
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Visual Studio or Resharper functionality for placement of using directives

I like to put my using directives inside the current namespace, and not outside as VS and Resharper per default puts them. ...