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Ruby send vs __send__
I understand the concept of some_instance.send but I'm trying to figure out why you can call this both ways. The Ruby Koans imply that there is some reason beyond providing lots of different ways to do the same thing. Here are the two examples of usage:
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Iterate keys in a C++ map
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If you really need to hide the value that the "real" iterator returns (for example because you want to use your key-iterator with standard algorithms, so that they operate on the keys instead of the pairs), then take a look at Boost's...
Determine device (iPhone, iPod Touch) with iOS
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Latest update - June 2020: Added iPad Pro 11 2020 (2nd generation), iPad Pro 12.9 2020 (4th generation), Apple Watch 5
Previous update - October 2019: Added iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPad (7th generation)
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JavaScript: location.href to open in new window/tab?
...notification in modern browsers, doesn't simulate a _blank anchor click at all.
– Nathan Hornby
Oct 1 '14 at 12:46
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Log all requests from the python-requests module
...I need to debug some OAuth activity, and for that I would like it to log all requests being performed. I could get this information with ngrep , but unfortunately it is not possible to grep https connections (which are needed for OAuth )
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How do I override __getattr__ in Python without breaking the default behavior?
I want to override the __getattr__ method on a class to do something fancy but I don't want to break the default behavior.
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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...Your gdb answer did not work with tail -f file, and it did not work with a test program in c compiled with gcc -ggdb that does a printf every second. Also cont makes it impossible to run more gdb commands, the command would be detach, then quit.
– Ian Kelling
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Print function log /stack trace for entire program using firebug
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I accomplished this without firebug. Tested in both chrome and firefox:
console.error("I'm debugging this code.");
Once your program prints that to the console, you can click the little arrow to it to expand the call stack.
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Capture characters from standard input without waiting for enter to be pressed
...oo much on the terminal used that may be connected with stdin (they are usually line buffered). You can, however use a library for that:
conio available with Windows compilers. Use the _getch() function to give you a character without waiting for the Enter key. I'm not a frequent Windows developer...
关于 __VA_ARGS__ 宽字符版本的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
关于 __VA_ARGS__ 宽字符版本的问题在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：#define WIDEN2(x) L ## x#define WIDEN(x) WIDEN2(x)#define __...在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：
#defin...