大约有 40,000 项符合查询结果(耗时:0.0433秒) [XML]

https://stackoverflow.com/ques... 

Showing the stack trace from a running Python application

... prompt for interactive debugging.""" d={'_frame':frame} # Allow access to frame object. d.update(frame.f_globals) # Unless shadowed by global d.update(frame.f_locals) i = code.InteractiveConsole(d) message = "Signal received : entering python shell.\nTraceback:\n"...
https://stackoverflow.com/ques... 

Get name of caller function in PHP?

Is there a PHP function to find out the name of the caller function in a given function? 12 Answers ...
https://stackoverflow.com/ques... 

How do you format an unsigned long long int using printf?

...inttypes.h library that gives you types such as int32_t, int64_t, uint64_t etc. You can then use its macros such as: uint64_t x; uint32_t y; printf("x: %"PRId64", y: %"PRId32"\n", x, y); This is "guaranteed" to not give you the same trouble as long, unsigned long long etc, since you don't have t...
https://stackoverflow.com/ques... 

What is a “callable”?

...t's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means. ...
https://stackoverflow.com/ques... 

URL rewriting with PHP

... You can essentially do this 2 ways: The .htaccess route with mod_rewrite Add a file called .htaccess in your root folder, and add something like this: RewriteEngine on RewriteRule ^/?Some-text-goes-here/([0-9]+)$ /picture.php?id=$1 Thi...
https://stackoverflow.com/ques... 

PyLint “Unable to import” error - how to set PYTHONPATH?

...lint's, though I haven't used that) is: topdir\ __init__.py functions_etc.py subdir\ __init__.py other_functions.py This is how the python interpreter is aware of the module without reference to the current directory, so if pylint is running from its own absolute path it will be abl...
https://stackoverflow.com/ques... 

How to create an array containing 1…N

...want an array of numbers 1..n that you can later loop through. If this is all you need, can you do this instead? var foo = new Array(45); // create an empty array with length 45 then when you want to use it... (un-optimized, just for example) for(var i = 0; i < foo.length; i++){ document.w...
https://stackoverflow.com/ques... 

Do try/catch blocks hurt performance when exceptions are not thrown?

... { Console.WriteLine(ex.ToString()); } finally { d = Math.Sin(d); } } w.Stop(); Console.Write(" try/catch/finally: "); Console.WriteLine(w.ElapsedMilliseconds); w.Reset(); d = 0; w.Start(); for (int i = ...
https://stackoverflow.com/ques... 

What is the 'new' keyword in JavaScript?

...n's external, accessible, prototype object (every function object automatically has a prototype property). It makes the this variable point to the newly created object. It executes the constructor function, using the newly created object whenever this is mentioned. It returns the newly created objec...
https://stackoverflow.com/ques... 

Do I need to disable NSLog before release Application?

... get debug messages. When you're ready to release a beta or final release, all those DLog lines automatically become empty and nothing gets emitted. This way there's no manual setting of variables or commenting of NSLogs required. Picking your build target takes care of it. ...