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Static class initializer in PHP
I have an helper class with some static functions. All the functions in the class require a ‘heavy’ initialization function to run once (as if it were a constructor).
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Rename Files and Directories (Add Prefix)
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Thanks to Peter van der Heijden, here's one that'll work for filenames with spaces in them:
for f in * ; do mv -- "$f" "PRE_$f" ; done
("--" is needed to succeed with files that begin with dashes, whose names would otherwise be interpreted as switches for the mv command)
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How to throw std::exceptions with variable messages?
...r() << foo << 13 << ", bar" << myData); // implicitly cast to std::string
throw std::runtime_error(Formatter() << foo << 13 << ", bar" << myData >> Formatter::to_str); // explicitly cast to std::string
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AttributeError: 'module' object has no attribute 'tests'
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I finally figured it out working on another problem. The problem was that my test couldn't find an import.
It looks like you get the above error if your test fails to import. This makes sense because the test suite can't import a broken test...
How do I include a pipe | in my linux find -exec command?
... output of one process into the input of another process is the responsibility of the shell (/bin/sh or equivalent).
In your example you can either choose to use your top level shell to perform the piping like so:
find -name 'file_*' -follow -type f -exec zcat {} \; | agrep -dEOE 'grep'
In term...
Should I URL-encode POST data?
I'm POSTing data to an external API (using PHP, if it's relevant).
4 Answers
4
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error C2664: “std::list::list(const std::allocator &)”: 不能将参数 1...
...转换为“const std::allocator &”错误日志：error C2664: std::list<_Ty>::list(const std::allocator<_Ty> &): 不能将参数 1 从std::vector<_Ty>转换为const std::...错误日志：
error C2664: “std::list<_Ty>::list(const std::allocator<_Ty> &)”: 不能将参数 1 从
“std::vect...
Python Unicode Encode Error
... an Amazon XML file and while the XML file shows a ' , when I try to print it I get the following error:
9 Answers
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Why does sys.exit() not exit when called inside a thread in Python?
...t Python and I'm confused as to why the following code snippet would not exit when called in the thread, but would exit when called in the main thread.
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How to shuffle a std::vector?
...reusable way to shuffle a std::vector in C++. This is how I currently do it, but I think it's not very efficient because it needs an intermediate array and it needs to know the item type (DeckCard in this example):
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