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How to iterate over the files of a certain directory, in Java? [duplicate]

...hing with child } } else { // Handle the case where dir is not really a directory. // Checking dir.isDirectory() above would not be sufficient // to avoid race conditions with another process that deletes // directories. } ...
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Create an empty list in python with certain size

...st comprehension (Using the squares because for range you don't need to do all this, you can just return range(0,9) ): >>> def display(): ... return [x**2 for x in range(9)] ... >>> print display() [0, 1, 4, 9, 16, 25, 36, 49, 64] ...
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How to make pipes work with Runtime.exec()?

...; } } With "ps", it's a bit harder, because Java doesn't seem to have an API for it. I've heard that Sigar might be able to help us: https://support.hyperic.com/display/SIGAR/Home The simplest solution, however, (as pointed out by Kaj) is to execute the piped command as a string array. Here is ...
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Java Delegates?

... Not really, no. You may be able to achieve the same effect by using reflection to get Method objects you can then invoke, and the other way is to create an interface with a single 'invoke' or 'execute' method, and then instantiate...
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Does C# have extension properties?

....0 have seen this as proposal champion but it wasn't released yet, most of all because even if there is already an implementation, they want to make it right from the start. But it will ... There is an extension members item in the C# 7 work list so it may be supported in the near future. The curr...
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Suppressing deprecated warnings in Xcode

With all the SDKs floating around, it's handy to be able to build for multiple SDKs and platforms. However, bouncing from 3.2 to 3.0 and even occasionally 2.x, I frequently get deprecated warnings involving methods that have changed or been superseded: ...
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Understanding typedefs for function pointers in C

...es' code which had typedefs for pointers to functions with arguments. I recall that it took me a while to get around to such a definition while trying to understand a numerical algorithm written in C a while ago. So, could you share your tips and thoughts on how to write good typedefs for pointers t...
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Create a pointer to two-dimensional array

...d T[10] are different types. The following alternative doesn't work at all, because the element type of the array, when you view it as a one-dimensional array, is not uint8_t, but uint8_t[20] uint8_t *matrix_ptr = l_matrix; // fail The following is a good alternative uint8_t (*matrix_ptr)[...
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How to output a multiline string in Bash?

How can I output a multipline string in Bash without using multiple echo calls like so: 7 Answers ...
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Ruby on Rails generates model field:type - what are the options for field:type?

...nother model's ID. I'd look it up myself, but I haven't figured out, among all my Ruby on Rails documentation links, how to find the definitive source. ...