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How can I make a time delay in Python? [duplicate]

...print less frequently than that, because it takes time to print and handle all the buffers that entails (possibly doing a kernel context switch), and to register the alarm signal, but... yeah. A little under once per minute. – Parthian Shot Jun 17 '15 at 19:29 ...
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What is the difference between _tmain() and main() in C++?

...Now, in UTF-16, the character set used by Windows when Unicode is enabled, all the ASCII characters are represented as the pair of bytes \0 followed by the ASCII value. And since the x86 CPU is little-endian, the order of these bytes are swapped, so that the ASCII value comes first, then followed b...
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Compare object instances for equality by their attributes

...s: >>> x == y True Note that implementing __eq__ will automatically make instances of your class unhashable, which means they can't be stored in sets and dicts. If you're not modelling an immutable type (i.e. if the attributes foo and bar may change value within the lifetime of your obje...
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How can I tell gcc not to inline a function?

Say I have this small function in a source file 8 Answers 8 ...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

...lizing) unless the result needs to be "stringified". Gcc has features but ALL can be done with plain C version 1 (and some argue Berkeley 4.3 C is so much faster it's worth learning how to use). **Clang (llvm) DOES NOT DO WHITE SPACE CORRECTLY for macro expansion - it adds whitespace (which certai...
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Is there a performance difference between a for loop and a for-each loop?

... iterator or index variable completely. The resulting idiom applies equally to collections and arrays: // The preferred idiom for iterating over collections and arrays for (Element e : elements) { doSomething(e); } When you see the colon (:), read it as “in.” Thus, the loop ab...
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How to get POSTed JSON in Flask?

... First of all, the .json attribute is a property that delegates to the request.get_json() method, which documents why you see None here. You need to set the request content type to application/json for the .json property and .get_jso...
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How well is Unicode supported in C++11?

...ization library Input/output library Regular expressions library I think all but the first one provide terrible support. I'll get back to it in more detail after a quick detour through your other questions. Does std::string do what it should? Yes. According to the C++ standard, this is what ...
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Passing variable number of arguments around

...I have a C function which takes a variable number of arguments: How can I call another function which expects a variable number of arguments from inside of it, passing all the arguments that got into the first function? ...
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Adding Core Data to existing iPhone project

... All the CoreData header files are imported in App_Prefix.pch, so the CoreData classes will be available throughout your Project, so you don't have to manually import the header in the files you need them. So open up Xcode an...