大约有 47,000 项符合查询结果(耗时:0.0378秒) [XML]

https://stackoverflow.com/ques... 

Convert absolute path into relative path given a current directory using Bash

... do, because /usr/bin rarely or never contains directories and nmap is normally a binary) – IBBoard Mar 13 '18 at 20:07  |  show 2 more commen...
https://stackoverflow.com/ques... 

How do you round a floating point number in Perl?

.... For rounding to a certain number of digits, sprintf() or printf() is usually the easiest route. printf("%.3f", 3.1415926535); # prints 3.142 The POSIX module (part of the standard Perl distribution) implements ceil(), floor(), and a number of other mathematical and trigonometric func...
https://stackoverflow.com/ques... 

Kill detached screen session [closed]

... @kapad actually quit works if you write it inline -X -S pid/sockname quit – Eduard Jul 4 '14 at 15:24 20 ...
https://stackoverflow.com/ques... 

Elevating process privilege programmatically?

I'm trying to install a service using InstallUtil.exe but invoked through Process.Start . Here's the code: 5 Answers ...
https://stackoverflow.com/ques... 

How to create a GUID/UUID using iOS

...) are not the same thing. – Joe Mar 11 '13 at 1:51 1 here is a straight line one NSString *UUID ...
https://stackoverflow.com/ques... 

Installing PDO driver on MySQL Linux server

... On Ubuntu you should be able to install the necessary PDO parts from apt using sudo apt-get install php5-mysql There is no limitation between using PDO and mysql_ simultaneously. You will however need to create two connections to your DB, one with mysql_ and o...
https://stackoverflow.com/ques... 

How to customize the background/border colors of a grouped table view cell?

...later UITableViewCell now has a backgroundColor property that makes this really easy (especially in combination with the [UIColor colorWithPatternImage:] initializer). But I'll leave the 2.0 version of the answer here for anyone that needs it… It's harder than it really should be. Here's how I ...
https://stackoverflow.com/ques... 

Useful GCC flags for C

Beyond setting -Wall , and setting -std=XXX , what other really useful, but less known compiler flags are there for use in C? ...
https://stackoverflow.com/ques... 

Does Python support multithreading? Can it speed up execution time?

... The GIL does not prevent threading. All the GIL does is make sure only one thread is executing Python code at a time; control still switches between threads. What the GIL prevents then, is making use of more than one CPU core or separate CPUs to run threads in...
https://stackoverflow.com/ques... 

__init__ for unittest.TestCase

... +1 I'd initialise the base class before calling any object method though. – Joachim Isaksson Jun 27 '13 at 21:25 ...