大约有 40,000 项符合查询结果(耗时:0.0338秒) [XML]

https://stackoverflow.com/ques... 

Block Comments in a Shell Script

...le (and so is !, an exclamation mark on its own), but you could use SNURFLE_BURGERS or classical_end_marker or any other word that doesn't appear on a line on its own in the commented-out material. I'd be leary of experimenting with spaces etc, but the word might well work with them too. ...
https://stackoverflow.com/ques... 

How to enumerate an object's properties in Python?

... print(property, ":", value) Be aware that in some rare cases there's a __slots__ property, such classes often have no __dict__. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to override the copy/deepcopy operations for a Python object?

...ully, but this is the first time I've actually gone about overloading the __copy__ and __deepcopy__ methods. I've already Googled around and looked through the built-in Python modules to look for instances of the __copy__ and __deepcopy__ functions (e.g. sets.py , decimal.py , and fracti...
https://stackoverflow.com/ques... 

How to make the python interpreter correctly handle non-ASCII characters in string operations?

...e(u"Â ", u"") But in Python 3, just use quotes. In Python 2, you can from __future__ import unicode_literals to obtain the Python 3 behavior, but be aware this affects the entire current module. s.replace(u"Â ", u"") will also fail if s is not a unicode string. string.replace returns a new string ...
https://stackoverflow.com/ques... 

Validating IPv4 addresses with regexp

...|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}$ get same result debuggex.com/r/mz_-0dEm3wseIKqK, pretty similar with @Mark Byers answer – Sllouyssgort Mar 24 '16 at 11:55 ...
https://stackoverflow.com/ques... 

Ideal Ruby project structure

...rectory you want onto that using the $: variable. i.e. $:.push File.expand_path(File.dirname(__FILE__) + '/../surfcompstuff') That means when you have say, surfer.rb in that dir, you can require "surfer" anywhere and the file will be found. Also, as a convention, classes and singletons get a fil...
https://stackoverflow.com/ques... 

What is the difference between public, protected, package-private and private in Java?

... The official tutorial may be of some use to you. ______________________________________________________________ | │ Class │ Package │ Subclass │ Subclass │ World | | │ │ │(same pkg)│(diff pkg)│ | |─────...
https://stackoverflow.com/ques... 

How do I copy the contents of a String to the clipboard in C#? [duplicate]

...y the clipboard. abstract class StaHelper { readonly ManualResetEvent _complete = new ManualResetEvent( false ); public void Go() { var thread = new Thread( new ThreadStart( DoWork ) ) { IsBackground = true, } thread.SetApartmentState( Ap...
https://stackoverflow.com/ques... 

Create subdomains on the fly with .htaccess (PHP)

...P Then in your PHP scripts you can find out the domain by looking in the $_SERVER super global variable. Here is an example of grabbing the subdomain in PHP: preg_match('/([^.]+)\.example\.org/', $_SERVER['SERVER_NAME'], $matches); if(isset($matches[1])) { $subdomain = $matches[1]; } I have ...
https://stackoverflow.com/ques... 

List of special characters for SQL LIKE clause

...inds all book titles with the word 'computer' anywhere in the book title. _ Any single character. WHERE au_fname LIKE '_ean' finds all four-letter first names that end with ean (Dean, Sean, and so on). [ ] Any single character within the specified range ([a-f]) or set ([abcdef]). WHERE au_lname L...