大约有 47,000 项符合查询结果（耗时：0.0551秒） [XML]
Most efficient way to reverse a numpy array
...y array reversion ate a giant chunk of the running time. What I have right now is the common view-based method:
7 Answers
...
PHP date() format when inserting into datetime in MySQL
...
Why this is not the case I do not know. I have to refer to stack overflow every. single. functioning. time.
– Mazatec
Aug 2 '16 at 17:17
...
How to rollback a specific migration?
...back everything. Not nice! This was Rails 4.2 - I guess it may be fixed by now.
– Dave Hartnoll
Mar 13 '18 at 16:37
1
...
How to check if a URL is valid
...:isbn:0451450523" =~ URI::regexp
=> 0
That being said, as far as I know, Ruby doesn't have a default way to parse URLs , so you'll most likely need a gem to do so. If you need to match URLs specifically in HTTP or HTTPS format, you could do something like this:
uri = URI.parse(my_possible_ur...
How to ignore a property in class if null, using json.net
...ou explain it in your answer then? At first glance, it looks the same, and now you've mentioned that, it doesn't state how this is different from the other answer / how it compliments it.
– OMGtechy
Oct 25 '17 at 10:06
...
C# : 'is' keyword and checking for Not
...ng was not a particular type. I've done it (!(child is Something)) forever now, but I thought I'd make sure there wasn't a better way.
– Hugoware
May 1 '09 at 14:43
1
...
Could not load file or assembly 'System.Data.SQLite'
I've installed ELMAH 1.1 .Net 3.5 x64 in my ASP.NET project and now I'm getting this error (whenever I try to see any page):
...
Split an NSString to access one particular piece
...: @"/"];
NSString* firstBit = [foo objectAtIndex: 0];
Update 7/3/2018:
Now that the question has acquired a Swift tag, I should add the Swift way of doing this. It's pretty much as simple:
let substrings = "10/04/2011".split(separator: "/")
let firstBit = substrings[0]
Although note that it g...
Do I have to Close() a SQLConnection before it gets disposed?
...d be they won't change that behaviour simply because it's what people have now come to expect.
– user593806
Jan 2 '13 at 11:12
add a comment
|
...
How to pass variable number of arguments to a PHP function
...
This is now possible with PHP 5.6.x, using the ... operator (also known as splat operator in some languages):
Example:
function addDateIntervalsToDateTime( DateTime $dt, DateInterval ...$intervals )
{
foreach ( $intervals as $i...