大约有 40,000 项符合查询结果(耗时:0.0599秒) [XML]

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Why is Python running my module when I import it, and how do I stop it?

...program I'm building that can be run in either of 2 ways: the first is to call "python main.py" which prompts the user for input in a friendly manner and then runs the user input through the program. The other way is to call "python batch.py -file- " which will pass over all the friendly input gat...
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What is the meaning of the term arena in relation to memory?

... An arena is just a large, contiguous piece of memory that you allocate once and then use to manage memory manually by handing out parts of that memory. For example: char * arena = malloc(HUGE_NUMBER); unsigned int current = 0; void * my_malloc(size_t n) { current += n; return arena +...
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How do I get list of methods in a Python class?

... Will this produce a list of all methods in the class (including ones that are inherited from other classes), or will it only list the methods that are explicitly defined in that class? – Anderson Green Mar 10 '13 a...
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Convert a 1D array to a 2D array in numpy

I want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D array. Something that would work like this: ...
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Equivalent of typedef in C#

...impact that source file. In C and C++, my experience is that typedef is usually used within .h files which are included widely - so a single typedef can be used over a whole project. That ability does not exist in C#, because there's no #include functionality in C# that would allow you to include th...
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What is the difference between a .xib file and a .storyboard?

...ated .xib with it. Storyboard achieves two things: .storyboard is essentially one single file for all your screens in the app and it shows the flow of the screens. You can add segues/transitions between screens, this way. So, this minimizes the boilerplate code required to manage multiple screens....
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How to loop through all but the last item of a list?

... would indicate I answered the question he asked, if not the question he really wanted to ask. Asker is welcome to demote this answer. – freespace May 27 '09 at 11:35 7 ...
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How to grep a string in a directory and all its subdirectories? [duplicate]

How to grep a string or a text in a directory and all its subdirectories'files in LINUX ?? 2 Answers ...
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What is the Java ?: operator called and what does it do?

... count = getHereCount(index); else count = getAwayCount(index); It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternary (three-argument) operator in Java, C, C++, and probably many other languages. But theoretically there could...
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Angular JS: What is the need of the directive’s link function when we already had directive’s contro

... is what happens, $compile walks through the whole template and collects all the directives that it recognizes. All the directives that are discovered are compiled recursively and their link functions are collected. Then, all the link functions are wrapped in a new link function and returned as l....