大约有 47,000 项符合查询结果(耗时:0.0473秒) [XML]

https://stackoverflow.com/ques... 

Open file in a relative location in Python

...n a subdirectory beneath where the script is actually located, you can use __file__ to help you out here. __file__ is the full path to where the script you are running is located. So you can fiddle with something like this: import os script_dir = os.path.dirname(__file__) #<-- absolute dir the...
https://stackoverflow.com/ques... 

How to force use of overflow menu on devices with menu button

I'd like to have all of the menu items that don't fit into the ActionBar go into the overflow menu (the one that is reached from the Action Bar not the menu button) even on devices that do have a Menu button . This seems much more intuitive for users than throwing them into a separate menu list th...
https://stackoverflow.com/ques... 

is node.js' console.log asynchronous?

...ete, since stdout is synchronous now. Well let's see what console.log actually does. First of all it's part of the console module: exports.log = function() { process.stdout.write(format.apply(this, arguments) + '\n'); }; So it simply does some formatting and writes to process.stdout, nothing ...
https://www.tsingfun.com/down/soft/86.html 

Win10正式版官方原版ISO镜像下载大全(64位&32位) - 软件下载 - 清泛网 - ...

...方原版 正式版【64位简体中文家庭 专业版】 文件名:cn_windows_10_multiple_editions_x64_dvd_6848463.iso 体积:4.01GB SHA1:C71D49A6...【64位简体中文家庭/专业版】 文件名:cn_windows_10_multiple_editions_x64_dvd_6848463.iso 体积:4.01GB ...
https://stackoverflow.com/ques... 

What does send() do in Ruby?

... some method reacts (because its name matches the first argument). Practically speaking, those lines are equivalent: 1.send '+', 2 1.+(2) 1 + 2 Note that send bypasses visibility checks, so that you can call private methods, too (useful for unit testing). If there is really no variable before...
https://stackoverflow.com/ques... 

Python decorators in classes

... Would something like this do what you need? class Test(object): def _decorator(foo): def magic( self ) : print "start magic" foo( self ) print "end magic" return magic @_decorator def bar( self ) : print "normal call" test ...
https://stackoverflow.com/ques... 

How to apply a function to two columns of Pandas dataframe

Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function : 12 Answers ...
https://stackoverflow.com/ques... 

Insert auto increment primary key to existing table

...ering if it's possible to insert data into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). Any thoughts? Thanks a lot. ...
https://stackoverflow.com/ques... 

How do I flag a method as deprecated in Objective-C 2.0?

...x is provided to mark methods as deprecated: @interface SomeClass -method __attribute__((deprecated)); @end or: #include <AvailabilityMacros.h> @interface SomeClass -method DEPRECATED_ATTRIBUTE; // or some other deployment-target-specific macro @end ...
https://stackoverflow.com/ques... 

'is' versus try cast with null check

...ing) { var x = (string) o; } This translates to the following IL: IL_0000: nop IL_0001: ldstr "test" IL_0006: stloc.0 // o IL_0007: ldloc.0 // o IL_0008: isinst System.String IL_000D: ldnull IL_000E: cgt.un IL_0010: stloc.1 IL_0011: ldloc....