大约有 24,000 项符合查询结果(耗时:0.0394秒) [XML]

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Programmatically stop execution of python script? [duplicate]

.... From Python's docs: >>> import sys >>> print sys.exit.__doc__ exit([status]) Exit the interpreter by raising SystemExit(status). If the status is omitted or None, it defaults to zero (i.e., success). If the status is numeric, it will be used as the system exit status. If it is ...
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Sorting dictionary keys in python [duplicate]

... my_list = sorted(dict.items(), key=lambda x: x[1]) share | improve this answer | follow ...
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Colon (:) in Python list index [duplicate]

... Does not work with dictionaries. applying d[:5] is the eqivalent of d.__getitem__(slice(0, 5, None)). A slice is not hashable. – Steve Zelaznik Jul 4 '15 at 2:31 7 ...
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Compile (but do not run) a Python script [duplicate]

... py_compile — Compile Python source files import py_compile py_compile.compile('my_script.py') share | improve this answer...
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How do you calculate program run time in python? [duplicate]

...d what you wanted to time): print timeit.timeit('myOwnFunc()', setup='from __main__ import myOwnFunc', number=1). Without the setup parameter, it will complain that it could not find myOwnFunc. – Landshark666 Dec 24 '12 at 4:13 ...
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Remove duplicate entries using a Bash script [duplicate]

... Perl one-liner similar to @kev's awk solution: perl -ne 'print if ! $a{$_}++' input This variation removes trailing whitespace before comparing: perl -lne 's/\s*$//; print if ! $a{$_}++' input This variation edits the file in-place: perl -i -ne 'print if ! $a{$_}++' input This variation e...
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Calling filter returns [duplicate]

... @Mr_and_Mrs_D try putting an iterator object itObj in [] and you will get [itObj], while putting in list() you will get values from object like [1, 4, 7], assuming itObj has these values. – user2846569 ...
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ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注IT技能提升

...> punk; 下面三个例子完全相同 CComPtr<IXXX> pno; CComPtr<IXXX,&__uuidof(IXXX)> pno; CComPtr<IXXX,&IID_IXXX> pno; CComQIPtr可以用任何一个类型的接口指针初始化,如果初始化的值与CComQIPtr的类型相同,那么构造函数简单调用 指针的AddRef,但是,如...
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Visul C++中CList用法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...和构造方法 CList的声明如下: template< class TYPE, class ARG_TYPE >class CList : public CObject 由此,我们知道CList是一个模版类,那么他的两个class是什么意思呢? 下面看一个例子: CList<CString ,CString&> list;//链表对象1 CList<CString,CString> l...
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64 bit OS下int占几个字节? - C/C++ - 清泛网 - 专注C/C++及内核技术

...混淆。int是由编程语言设计决定的,不受编译器的影响。__int64才是8位的。另外,指针是受编译器 OS影响的,3...int固定4字节,不要受64 bit的混淆。int是由编程语言设计决定的,不受编译器的影响。 __int64才是8位的。 另外,指...