大约有 16,000 项符合查询结果(耗时:0.0471秒) [XML]

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How to run a shell script in OS X by double-clicking?

...t app. But I have some problem here. I have a python script that I want to convert into an .app file. My script includes a line where the user has to type some input (raw_input()), when the .app reaches this line of code, it throws an EOF (end of file) error. What can I do about it? ...
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Split value from one field to two

...h the last name and the first name of users. Is it possible to split those into 2 fields memberfirst , memberlast ? 13 A...
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How do I select an element in jQuery by using a variable for the ID?

...tion when a String is required (passing "#" + 5 would fix this as it would convert the 5 to a "5" first) share | improve this answer | follow | ...
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Why do we need extern “C”{ #include } in C++?

... C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler expects the data contained in the header file to be c...
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In c++ what does a tilde “~” before a function name signify?

...s method is called when the instance of your class is destroyed: Stack<int> *stack= new Stack<int>; //do something delete stack; //<- destructor is called here; share | improve this...
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How can I do string interpolation in JavaScript?

... Is there a way to convert a standard string to a template string literal? For example, if one had a json file containing a translation table that needed values interpolated into them for display purposes? I think the first solution probably wo...
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How to open files relative to home directory

...entation: absolute_path(file_name [, dir_string] ) → abs_file_name Converts a pathname to an absolute pathname. Relative paths are referenced from the current working directory of the process unless dir_string is given, in which case it will be used as the starting point. If the given pathna...
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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?

... method missing for your find_by_email and find_by_column_name methods. It converts the method you pass to a string and dissects it and tries to match it with your table's column names. – bigpotato Oct 16 '13 at 17:57 ...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

...top one level deep. We could chop up each chunk too. This is why summing integers in a list is O(log N) if given an infinite number of CPUs. If you just look at the signatures there is no reason for reduce to exist because you can achieve everything you can with reduce with a foldLeft. The funct...
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Why is the standard session lifetime 24 minutes (1440 seconds)?

...e lifetime was specified in seconds. I'll bet someone just never bothered converting minutes to seconds. It's probable that person was Sascha Schumann. Once that value was coded into the Zend engine, it became the configuration (php.ini) default as well. ...