大约有 6,000 项符合查询结果(耗时:0.0163秒) [XML]

https://stackoverflow.com/ques... 

Make sure only a single instance of a program is running

... The following code should do the job, it is cross-platform and runs on Python 2.4-3.2. I tested it on Windows, OS X and Linux. from tendo import singleton me = singleton.SingleInstance() # will sys.exit(-1) if other instance is running The latest code version is avail...
https://stackoverflow.com/ques... 

Excluding directories in os.walk

I'm writing a script that descends into a directory tree (using os.walk()) and then visits each file matching a certain file extension. However, since some of the directory trees that my tool will be used on also contain sub directories that in turn contain a LOT of useless (for the purpose of thi...
https://stackoverflow.com/ques... 

FormData.append(“key”, “value”) is not working

... RudieRudie 44.1k3636 gold badges123123 silver badges167167 bronze badges ...
https://stackoverflow.com/ques... 

What's the difference between an argument and a parameter?

...turn x + y; } At a call-site using add, such as the example shown below, 123 and 456 would be referred to as the arguments of the call. int result = add(123, 456); Also, some language specifications (or formal documentation) choose to use parameter or argument exclusively and use adjectives lik...
https://stackoverflow.com/ques... 

What's Go's equivalent of argv[0]?

... import "os" os.Args[0] // name of the command that it is running as os.Args[1] // first command line parameter, ... Arguments are exposed in the os package http://golang.org/pkg/os/#Variables If you're going to do argument handlin...
https://stackoverflow.com/ques... 

Automatically remove Subversion unversioned files

...ve-unversioned Before that, I use this python script to do that: import os import re def removeall(path): if not os.path.isdir(path): os.remove(path) return files=os.listdir(path) for x in files: fullpath=os.path.join(path, x) if os.path.isfile(fullpat...
https://stackoverflow.com/ques... 

Why does GCC generate 15-20% faster code if I optimize for size instead of speed?

...he tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why. ...
https://stackoverflow.com/ques... 

Installing PG gem on OS X - failure to build native extension

...any others have had problems installing the pg gem. None of the solutions posed for others have worked for me. 15 Answers ...
https://stackoverflow.com/ques... 

Eclipse copy/paste entire line keyboard shortcut

... Ctrl+Shift+V is now the shortcut that lets you paste in MyClass:123 and jump to line 123, and linkifies stack traces. Probably too useful to overwrite now. – Noumenon Feb 16 '18 at 0:49 ...
https://stackoverflow.com/ques... 

How to use http.client in Node.js if there is basic authorization

...tion which gets encoded in Base64: var username = 'Test'; var password = '123'; var auth = 'Basic ' + Buffer.from(username + ':' + password).toString('base64'); // new Buffer() is deprecated from v6 // auth is: 'Basic VGVzdDoxMjM=' var header = {'Host': 'www.example.com', 'Authorization': auth}; ...