大约有 40,000 项符合查询结果(耗时:0.0408秒) [XML]

https://stackoverflow.com/ques... 

MySQL DROP all tables, ignoring foreign keys

... your database like this: SELECT concat('DROP TABLE IF EXISTS `', table_name, '`;') FROM information_schema.tables WHERE table_schema = 'MyDatabaseName'; Note 1: This does not execute the DROP statements, it just gives you a list of them. You will need to cut and paste the output into your SQL...
https://stackoverflow.com/ques... 

How does _gaq.push(['_trackPageLoadTime']) work?

How does the Google Analytics Site Speed feature, _gaq.push(['_trackPageLoadTime']) , work? Is there any documentation about how it works? ...
https://stackoverflow.com/ques... 

Importing from a relative path in Python

...port things): import sys, os sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'Common')) import Common os.path.dirname(__file__) just gives you the directory that your current python file is in, and then we navigate to 'Common/' the directory and import 'Common' the module. ...
https://stackoverflow.com/ques... 

How to include external Python code to use in other files?

... You may interesting imp module and magic call __import__. – Vitold S. Dec 5 '15 at 23:53 ...
https://stackoverflow.com/ques... 

Dynamically load JS inside JS [duplicate]

... and use it like: if (typeof someObject == 'undefined') $.loadScript('url_to_someScript.js', function(){ //Stuff to do after someScript has loaded }); share | improve this answer | ...
https://stackoverflow.com/ques... 

What is the best way to implement nested dictionaries?

...getting this behavior, here's how to shoot yourself in the foot: Implement __missing__ on a dict subclass to set and return a new instance. This approach has been available (and documented) since Python 2.5, and (particularly valuable to me) it pretty prints just like a normal dict, instead of the u...
https://stackoverflow.com/ques... 

Understanding Python super() with __init__() methods [duplicate]

...ady. Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, self).__init__() which IMO is quite a bit nicer. The standard docs also refer to a guide to using super() which is quite explanatory. ...
https://stackoverflow.com/ques... 

Removing multiple keys from a dictionary safely

... Why not like this: entries = ('a', 'b', 'c') the_dict = {'b': 'foo'} def entries_to_remove(entries, the_dict): for key in entries: if key in the_dict: del the_dict[key] A more compact version was provided by mattbornski using dict.pop() ...
https://stackoverflow.com/ques... 

How to print without newline or space?

...ython 2.6 you can either import the print function from Python 3 using the __future__ module: from __future__ import print_function which allows you to use the Python 3 solution above. However, note that the flush keyword is not available in the version of the print function imported from __futu...
https://stackoverflow.com/ques... 

Casting vs using the 'as' keyword in the CLR

...bject obj) cil managed { // Code size 22 (0x16) .maxstack 8 IL_0000: ldarg.1 IL_0001: isinst MyClass IL_0006: brfalse.s IL_0015 IL_0008: ldarg.1 IL_0009: castclass MyClass IL_000e: pop IL_000f: ldarg.1 IL_0010: call void [mscorlib]System.Console::WriteL...