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Check if string begins with something? [duplicate]
I know that I can do like ^= to see if an id starts with something, and I tried using that for this, but it didn't work... Basically, I'm retrieving the url and I want to set a class for an element for pathnames that start in a certain way...
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Java volatile reference vs. AtomicReference
...any difference between a volatile Object reference and AtomicReference in case I would just use get() and set() -methods from AtomicReference ?
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Executing an EXE file using a PowerShell script
I'm trying to execute an EXE file using a PowerShell script. If I use the command line it works without a problem (first I supply the name of the executable and series of parameters to invoke it):
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How to tell if a JavaScript function is defined
How do you tell if a function in JavaScript is defined?
21 Answers
21
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A fast method to round a double to a 32-bit int explained
When reading Lua's source code, I noticed that Lua uses a macro to round a double to a 32-bit int . I extracted the macro , and it looks like this:
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How to override trait function and call it from the overridden function?
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just to clarify - once your class defines the same method, it automatically overrides the trait's. The trait fills in the method as @ircmaxell mentions when it's empty.
– Yehosef
Jun 8 '14 at 12:43
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Java array reflection: isArray vs. instanceof
Is there a preference or behavior difference between using:
8 Answers
8
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Significance of bool IsReusable in http handler interface
When writing a http handler/module, there is an interface member to implement called - bool IsReusable .
3 Answers
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Why does appending “” to a String save memory?
I used a variable with a lot of data in it, say String data .
I wanted to use a small part of this string in the following way:
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Creating threads - Task.Factory.StartNew vs new Thread()
I am just learning about the new Threading and Parallel libraries in .Net 4
4 Answers
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