大约有 30,000 项符合查询结果（耗时：0.0398秒） [XML]
Difference between break and continue statement
...current iteration of a loop and goes directly to the next iteration. After calling the continue statement in a for loop, the loop execution will execute the step value and evaluate the boolean condition before proceeding with the next iteration. In the following example, we’re printing out all val...
Python function as a function argument?
...
can extraArgs be a function as well ? if so how do you call it ?
– Aysennoussi
Apr 9 '15 at 17:49
...
JS: iterating over result of getElementsByClassName using Array.forEach
....
In all modern browsers (pretty much anything other IE <= 8), you can call Array's forEach method, passing it the list of elements (be it HTMLCollection or NodeList) as the this value:
var els = document.getElementsByClassName("myclass");
Array.prototype.forEach.call(els, function(el) {
/...
Restore file from old commit in git
I have an old commit that I did a few weeks ago. I want to restore only a single file from that commit. What do I do?
4 Ans...
How do I know the script file name in a Bash script?
...amed symlinks is to provide different functionality based on the name it's called as (think gzip and gunzip on some platforms).
1 That is, to resolve symlinks such that when the user executes foo.sh which is actually a symlink to bar.sh, you wish to use the resolved name bar.sh rather than foo.sh...
Getting time elapsed in Objective-C
...ould be your first option, this suggestion resolved an issue of mine. When calling [NSDate date] within a completion block within a dispatch block, I was getting the same "current" time that was being reported by [NSDate date] immediately before execution hit the point at which my blocks were create...
How can I add a custom HTTP header to ajax request with js or jQuery?
...one set of default headers and you can only define one beforeSend. If you call ajaxSetup multiple times, only the last set of headers will be sent and only the last before-send callback will execute.
share
|
...
How to detect if a variable is an array
...ing() (this is guaranteed to work by ECMA-262):
Object.prototype.toString.call(obj) === '[object Array]'
Both methods will only work for actual arrays and not array-like objects like the arguments object or node lists. As all array-like objects must have a numeric length property, I'd check for t...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
... blog; Phil maintains swank-clojure and clojure-mode, as well as a package called the Emacs Starter Kit which is something any newcomer to the Emacs world would be well-advised to have a look at. These instructions seem to have been brought up to date with recent changes to the infrastructure; in ca...
Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
...
In my case stackoverflow.com/questions/8911146/… it didn't help :-(
– Gangnus
Jan 18 '12 at 15:27
5
...