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right click context menu for datagridview

... a menu pop up. Then i would like to select things such as copy, validate, etc 7 Answers ...
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Difference between Java SE/EE/ME?

...ogrammer should learn (java.lang, java.io, java.math, java.net, java.util, etc...). Java EE = Enterprise Edition. From Wikipedia: The Java platform (Enterprise Edition) differs from the Java Standard Edition Platform (Java SE) in that it adds libraries which provide functionality to dep...
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What exactly are DLL files, and how do they work?

...e binary files that can contain executable code and resources like images, etc. Unlike applications, these cannot be directly executed, but an application will load them as and when they are required (or all at once during startup). Are they important? Most applications will load the DLL files the...
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Count(*) vs Count(1) - SQL Server

...vers (such as auto-stats, xevent sessions, query store overhead, triggers, etc.). It is maybe a few thousand extra CPU instructions. So, count(1) does a tiny bit less work during compilation (which will usually happen once and the plan is cached across multiple subsequent executions). For executi...
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Finalize vs Dispose

...ces you have acquired (unmanaged data, database connections, file handles, etc) the moment the code is done with your object. The standard practice is to implement IDisposable and Dispose so that you can use your object in a using statment. Such as using(var foo = new MyObject()) { }. And in your f...
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How to measure time taken by a function to execute

...E 10 ++ FireFox 15 ++ Chrome 24 ++ Safari 8 ++ Opera 15 ++ Android 4.4 ++ etc, etc console.time may be viable for you, but it's non-standard §: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. The...
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When should you use constexpr capability in C++11?

...ose types of functions can be used in metaprogramming, or as array bounds, etc etc. Another example off of the top of my head would be that for class interfaces, you may want derived types define their own constants for some operation. Edit: After poking around on SO, it looks like others have co...
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Is there any “font smoothing” in Google Chrome?

... text). But, if you up the 48px to font-size:49px; (and 50px, 60px, 80px, etc...), something interesting happens The text automatically get smooth, and seems really good For another side... If you are looking for small fonts, you can try this, but isn't very effective. To the parent of the te...
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drag drop files into standard html file input

...tainer and upload them with XHR 2. Many at a time. With live progress bars etc. Very cool stuff. Example here. 13 Answers ...
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Printf width specifier to maintain precision of floating-point value

...guous-ness needs 17 as the precision changes in a binary number (at 2,4,8, etc.) and a decimal number (at 10,100,1000, etc.) are never at the same number (except 1.0). Example: the 2 double values just above 0.1 : 1.000_0000_0000_0000_2e-01, 1.000_0000_0000_0000_3e-01 need 17 digits to distinguish....