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A semantics for Bash scripts?

...patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is ever...
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MemoryCache does not obey memory limits in configuration

...ximum cache size, but in my tests it does not appear that the cache is actually obeying the limits. 7 Answers ...
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how to edit .csproj file

... The CSPROJ file, saved in XML format, stores all the references for your project including your compilation options. There is also a SLN file which stores information about projects that make up your solution. If you are using Visual Studio and have the need to view or...
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Finding three elements in an array whose sum is closest to a given number

...t now you don't need the target value anymore. Clearly, if we simply test all possible 3-tuples, we'd solve the problem in O(n3) -- that's the brute-force baseline. Is it possible to do better? What if we pick the tuples in a somewhat smarter way? First, we invest some time to sort the array, whic...
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]

...s a string, and doesn't generate an error if the variable doesn't exist at all. share | improve this answer | follow | ...
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Using AES encryption in C#

...aged.aspx And just in case you need the sample in a hurry, here it is in all its plagiarized glory: using System; using System.IO; using System.Security.Cryptography; namespace RijndaelManaged_Example { class RijndaelExample { public static void Main() { try ...
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Is there any performance reason to declare method parameters final in Java?

... I have seen Sun's compiler emit marginally shorter bytecode when the only difference between the two methods has been the "finality" of local variables. Micro-optimizations are a real thing, and compilers do actually make them. What really matters, of course, is ...
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Extending an Object in Javascript

... I have one question: how is the Person() constructor being called when you do new Robot()? It seems to me that you should call that base class constructor instead of doing this.name = name; in the Robot() constructor... – Alexis Wilke Apr 7 '14 a...
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Check if checkbox is checked with jQuery

...here is more than one checkbox with that class name. The is(':checked') really only works on one element. – John Boker Apr 17 '13 at 12:59 5 ...
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Cannot set boolean values in LocalStorage?

...ber or a boolean, the operands are converted to numbers if possible - I totally didn't realize that. I thought if one were a string, the other was cast to a string. Cheers (+1). – Andy E Jul 16 '10 at 9:01 ...