大约有 9,000 项符合查询结果(耗时:0.0355秒) [XML]

https://stackoverflow.com/ques... 

Is there an easy way to pickle a python function (or otherwise serialize its code)?

... source code file - hardly sophisticated. – too much php Aug 10 '09 at 9:05 1 You can find out th...
https://stackoverflow.com/ques... 

Lock, mutex, semaphore… what's the difference?

... acquire()/release() operations, both cause zero or more threads to become blocked/suspected... Really, the crucial difference lies solely on how they lock and unlock. A lock (or mutex) has two states (0 or 1). It can be either unlocked or locked. They're often used to ensure only one thread ente...
https://stackoverflow.com/ques... 

Using :after to clear floating elements

... Write like this: .wrapper:after { content: ''; display: block; clear: both; } Check this http://jsfiddle.net/EyNnk/1/ share | improve this answer | f...
https://stackoverflow.com/ques... 

Javascript - sort array based on another array

...ray2 I'm guessing that most people came here looking for an equivalent to PHP's array_multisort (I did) so I thought I'd post that answer as well. There are a couple options: 1. There's an existing JS implementation of array_multisort(). Thanks to @Adnan for pointing it out in the comments. It is ...
https://stackoverflow.com/ques... 

Div height 100% and expands to fit content

... Here is what you should do in the CSS style, on the main div display: block; overflow: auto; And do not touch height share | improve this answer | follow ...
https://stackoverflow.com/ques... 

java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has

...direct(), or sendError() would magically exit and "jump" out of the method block, hereby ignoring the remnant of the code. For example: protected void doXxx() { if (someCondition) { sendRedirect(); } forward(); // This is STILL invoked when someCondition is true! } This is thus ...
https://stackoverflow.com/ques... 

html (+css): denoting a preferred place for a line break

... By using span.avoidwrap { display:inline-block; } and wrapping the text I want to be kept together in <span class="avoidwrap"> Text </span> it will wrap first in preferred blocks and then in smaller fragments as needed. ...
https://stackoverflow.com/ques... 

How do you use the ? : (conditional) operator in JavaScript?

... = 'Hello ' + (username || 'guest'); This is Javascripts equivallent of PHP's shorthand ternary operator ?: Or even: var welcomeMessage = 'Hello ' + (username || something || maybethis || 'guest'); It evaluates the variable, and if it's false or unset, it goes on to the next. ...
https://stackoverflow.com/ques... 

Deny all, allow only one IP through htaccess

... Just in addition to @David Brown´s answer, if you want to block an IP, you must first allow all then block the IPs as such: <RequireAll> Require all granted Require not ip 10.0.0.0/255.0.0.0 Require not ip 172.16.0.0/12 Require not ip 192.168 &...
https://stackoverflow.com/ques... 

How to mark-up phone numbers?

... Working on Seamonkey 2.20 on Mac 10.8 put below the <body <?php body_class(); ?>> code on a wordpress theme's header.php file. – om01 Sep 6 '13 at 0:33 ...