大约有 42,000 项符合查询结果（耗时：0.0482秒） [XML]
Iterate over a Javascript associative array in sorted order
...
You cannot iterate over them directly, but you can find all the keys and then just sort them.
var a = new Array();
a['b'] = 1;
a['z'] = 1;
a['a'] = 1;
function keys(obj)
{
var keys = [];
for(var key in obj)
{
if(obj.hasOwnProperty(key))
{
keys.pus...
How do I clear stuck/stale Resque workers?
...rkers from the web interface, but actually they still show up as processes and also "stole" jobs from the queue
– txwikinger
Sep 5 '13 at 23:15
20
...
initializer_list and move semantics
...ist existed to keep an array of temporaries until they were move'd.
begin and end for initializer_list return const T *, so the result of move in your code is T const && — an immutable rvalue reference. Such an expression can't meaningfully be moved from. It will bind to an function param...
How do I find out my python path using python?
...
And that problem with the separator is probably why I wasn't getting the love. Thanks for setting me straight.
– Mark Ransom
Sep 30 '09 at 16:03
...
Clear android application user data
...e for other apps, since it is store in private_mode. So executing this command could probalby only work on rooted devices. Otherwise you should try another approach.
share
|
improve this answer
...
Performance difference between IIf() and If
... "Alternative")
The first is basically C#'s ternary conditional operator and the second is its coalesce operator (return result unless it’s Nothing, in which case return "Alternative"). If has thus replaced IIf and the latter is obsolete.
Like in C#, VB's conditional If operator short-circuits,...
Check existence of input argument in a Bash shell script
...
I like to do it this way, in terse syntax and still POSIX acceptable. [ -z "$1" ] && echo "No argument supplied" I prefer one-liners, as they are easier for me; and it's also faster to check exit value, compared to using if
– J. M. Beck...
Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]
...
Expanding on someone else's answer:
<script>
var myvar = <?php echo json_encode($myVarValue); ?>;
</script>
Using json_encode() requires:
PHP 5.2.0 or greater
$myVarValue encoded as UTF-8 (or US-ASCII, o...
Undefined, unspecified and implementation-defined behavior
What is undefined behavior in C and C++? What about unspecified behavior and implementation-defined behavior? What is the difference between them?
...
update package.json version automatically
Before I do a small release and tag it, I'd like to update the package.json to reflect the new version of the program.
11 A...