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How do I measure time elapsed in Java? [duplicate]
... measure elapsed time, and the purpose of currentTimeMillis is to measure wall-clock time. You can't use the one for the other purpose. The reason is that no computer's clock is perfect; it always drifts and occasionally needs to be corrected. This correction might either happen manually, or in the...
What is the ultimate postal code and zip regex?
I'm looking for the ultimate postal code and zip code regex. I'm looking for something that will cover most (hopefully all) of the world.
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What is Hindley-Milner?
...dependent of the type of keys stored in the tree.
Sometimes a function or value can have more than one type, as in the example of the length function: it can be "list of integers to integer", "list of strings to integer", "list of pairs to integer", and so on. In this case, a signal advantage of th...
How are zlib, gzip and zip related? What do they have in common and how are they different?
The compression algorithm used in zlib is essentially the same as that in gzip and zip . What are gzip and zip ? How are they different and how are they same?
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Resizing an image in an HTML5 canvas
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So what do you do if all the browsers (actually, Chrome 5 gave me quite good one) won't give you good enough resampling quality? You implement them yourself then! Oh come on, we're entering the new age of Web 3.0, HTML5 compliant browsers, super ...
How to create a Custom Dialog box in android?
I want to create a custom dialog box like below
22 Answers
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Exploitable PHP functions
...purpose isn't to list functions that should be blacklisted or otherwise disallowed. Rather, I'd like to have a grep -able list of red-flag keywords handy when searching a compromised server for back-doors.
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Referencing a string in a string array resource with xml
... will show up on the menu. There are 17 items. I made a string array in values/arrays.xml with titles for each of these 17 items.
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Why XML-Serializable class need a parameterless constructor
I'm writing code to do Xml serialization. With below function.
4 Answers
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Why should C++ programmers minimize use of 'new'?
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There are two widely-used memory allocation techniques: automatic allocation and dynamic allocation. Commonly, there is a corresponding region of memory for each: the stack and the heap.
Stack
The stack always allocates memory in a sequential fashion. It c...