大约有 47,000 项符合查询结果（耗时：0.1009秒） [XML]
Random number generation in C++11: how to generate, how does it work? [closed]
...
The question is way too broad for a complete answer, but let me cherry-pick a couple of interesting points:
Why "equally likely"
Suppose you have a simple random number generator that generate the numbers 0, 1, ..., 10 each with equal probability (think...
log messages appearing twice with Python Logging
I'm using Python logging, and for some reason, all of my messages are appearing twice.
8 Answers
...
Looping through localStorage in HTML5 and JavaScript
...der is implementation-defined but constant until you add or remove keys).
for (var i = 0; i < localStorage.length; i++){
$('body').append(localStorage.getItem(localStorage.key(i)));
}
If the order matters, you could store a JSON-serialized array:
localStorage.setItem("words", JSON.stringi...
Learning Python from Ruby; Differences and Similarities
... know Ruby very well. I believe that I may need to learn Python presently. For those who know both, what concepts are similar between the two, and what are different?
...
select and update database record with a single queryset
...
@DMactheDestroyer dude thanks for that valuable info. Then should we use the older way of updating it? (ie) get and save?
– user5117926
Jul 17 '15 at 5:39
...
NSNotificationCenter addObserver in Swift
...
@BerryBlue, did the above solution work for you? I believe that you need to change "batteryLevelChanged" to "batteryLevelChanged:" if your function accepts the NSNotification as a parameter.
– Olshansk
Jun 5 '14 at 2:46
...
Python - Count elements in list [duplicate]
...
just do len(MyList)
This also works for strings, tuples, dict objects.
share
|
improve this answer
|
follow
|
...
How to post data to specific URL using WebClient in C#
...nt())
{
wc.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
string HtmlResult = wc.UploadString(URI, myParameters);
}
it works like charm :)
share
|
improve th...
Proper way to handle multiple forms on one page in Django
I have a template page expecting two forms. If I just use one form, things are fine as in this typical example:
10 Answers...
How to var_dump variables in twig templates?
... and config_dev.yml setup and debug mode turned on when loading the kernel for the dev environment. I've tried the other manual methods mentioned by Morland below. Either way, I also get a blank page when dump is used. And no dump.
– Chadwick Meyer
Oct 1 '14 at...