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C++ preprocessor __VA_ARGS__ number of arguments

... This is actually compiler dependent, and not supported by any standard. Here however you have a macro implementation that does the count: #define PP_NARG(...) \ PP_NARG_(__VA_ARGS__,PP_RSEQ_N()) #define PP_NARG_(...) \ ...
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Can someone explain __all__ in Python?

I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does? ...
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How can I time a code segment for testing performance with Pythons timeit?

...r if you want to average the time elapsed by several runs, you have to manually call the function multiple times (As I think you already do in you example code and timeit does automatically when you set its number argument) import time def myfast(): code n = 10000 t0 = time.time() for i in ran...
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Odd behavior when Java converts int to byte?

...+ unsignedByte); Would print out: "Signed: -1 Unsigned: 255" What's actually happening here? We are using bitwise AND to mask all of the extraneous sign bits (the 1's to the left of the least significant 8 bits.) When an int is converted into a byte, Java chops-off the left-most 24 bits 111111...
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Received fatal alert: handshake_failure through SSLHandshakeException

... server's certificate is probably not trusted by the client. This would usually result in a more verbose error, but it is quite possible. Usually the fix is to import the server's CA certificate into the client's trust store. The cerificate is issued for a different domain. Again, this would have re...
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vbscript output to console

...aples - Not w/ the stock WScript.Echo. I suppose, if you wanted to stay totally within WScript you could do something horrifyingly dodgy like Exec'ing off another process to do a "SendKeys" to the parent process to close the MessageBox. – Evan Anderson Jun 22 '...
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Where should signal handlers live in a django project?

... I actually like to make them classmethods of the model itself. That keeps everything within one class, and means you don't have to worry about importing anything. ...
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Why does the C preprocessor interpret the word “linux” as the constant “1”?

Why does the C preprocessor in GCC interpret the word linux (small letters) as the constant 1 ? 5 Answers ...
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List attributes of an object

...ict__ Then you can test what type is with type() or if is a method with callable(). share | improve this answer | follow | ...
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How to compare type of an object in Python?

Basically I want to do this: 14 Answers 14 ...