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Determine if a function exists in bash

...t tests which are executed from bash. Unit tests are initialized, executed and cleaned up in a bash script. This script usualy contains an init(), execute() and cleanup() functions. But they are not mandatory. I'd like to test if they are or are not defined. ...
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Is it good practice to use java.lang.String.intern()?

... that you're going to compare. It's easy to forget to intern() all strings and then you can get confusingly incorrect results. Also, for everyone's sake, please be sure to very clearly document that you're relying on the strings being internalized. The second disadvantage if you decide to internali...
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Detecting arrow key presses in JavaScript

... @MrCroft - or also listen to onkeyup and stop the event there. Realistically you shouldn't be modifying UI behavior with Javascript, however. – Mark Kahn Jan 5 '17 at 19:52 ...
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How to align input forms in HTML

I'm new to HTML and I'm trying to learn how to use forms. 16 Answers 16 ...
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SQL Server Operating system error 5: “5(Access is denied.)”

I am starting to learn SQL and I have a book that provides a database to work on. These files below are in the directory but the problem is that when I run the query, it gives me this error: ...
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Difference between Dictionary and Hashtable [duplicate]

What is the difference between Dictionary and Hashtable. How to decide which one to use? 7 Answers ...
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The Role Manager feature has not been enabled

...s from code instead of web.config? I tried putting it in Application_Start and it says This method can only be called during the application's pre-start initialization phase. – Maslow May 8 '13 at 15:17 ...
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C# switch statement limitations - why?

...t the same thing as a big if-else statement. Each case must be unique and evaluated statically. The switch statement does a constant time branch regardless of how many cases you have. The if-else statement evaluates each condition until it finds one that is true. In fact, the C#...
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Display HTML snippets in HTML

...ippets on a webpage without needing to replace each < with < and > with > ? 25 Answers ...
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How to find the .NET framework version of a Visual Studio project?

...tudio support many versions of the .Net framework; check your project type and properties. share | improve this answer | follow | ...