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Assigning variables with dynamic names in Java

...However, this only works for variables that are class members (i.e. static and instance fields). It doesn't work for local variables. See @fyr's "quick and dirty" example. However doing this kind of thing unnecessarily in Java is a bad idea. It is inefficient, the code is more complicated, and s...
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An error occurred while signing: SignTool.exe not found

...ework 4.5 Developer Preview is a prerelease version of the .NET Framework, and should not be used in production scenarios. It is an in-place update to the .NET Framework 4. You would need to uninstall this prerelease product from ARP. https://blogs.msdn.microsoft.com/vsnetsetup/2013/11/18/an-error...
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Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh

...er sort of logic - no possible option to drop down to using scriptlet tags and doing nasty things in your templates. Placeholders - do velocity/freemaker give anything more than JSTL? In JSTL you put placeholder, and use the model (placed in request or session scope, by controllers) to fill th...
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How to sort an array of objects by multiple fields?

... Update: Here is an "optimized" version. It does a lot more preprocessing and creates a comparison function for each sorting option beforehand. It might need more more memory (as it stores a function for each sorting option, but it should preform a bit better as it does not have to determine the co...
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Multiline syntax for piping a heredoc; is this portable?

... Yes, the POSIX standard allows this. According to the 2008 version: The here-document shall be treated as a single word that begins after the next <newline> and continues until there is a line containing only the delimiter and ...
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How to call shell commands from Ruby

How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby? 20...
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How to escape apostrophe (') in MySql?

The MySQL documentation says that it should be \' . However, both scite and mysql shows that '' works. I saw that and it works. What should I do? ...
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$(document).click() not working correctly on iPhone. jquery [duplicate]

This function works perfectly on IE, Firefox and Chrome but when on the iPhone, it will only work when clicking on a <img> . Clicking on the page (anywhere but on a img) wont fire the event. ...
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Add custom messages in assert?

... Another option is to reverse the operands and use the comma operator. You need extra parentheses so the comma isn't treated as a delimiter between the arguments: assert(("A must be equal to B", a == b)); – Keith Thompson J...
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The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl

... i have multiple projects and start them as u tell.. some of them are class library projects.. follwing error popup appears: "A project with an Output Type of Class Library cannot be started directly" – Muhammad Azeem ...