大约有 47,000 项符合查询结果(耗时:0.0532秒) [XML]
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...being assigned or passed as an argument. That is what we call a callback.
Now the question is, when is that callback called?
It depends on the case. Let's try to trace some common behavior again:
img.onload may be called sometime in the future, when (and if) the image has successfully loaded.
se...
SourceKitService Terminated
...loyment target from 7.0 to 7.1 and that seems to have solved the issue for now.
– Nick
Aug 7 '14 at 1:43
Setting the d...
How to calculate the difference between two dates using PHP?
...ects can be compared using comparison operators.
$date1 = new DateTime("now");
$date2 = new DateTime("tomorrow");
var_dump($date1 == $date2); // bool(false)
var_dump($date1 < $date2); // bool(true)
var_dump($date1 > $date2); // bool(false)
...
SQL, Postgres OIDs, What are they and why are they useful?
...
if you don't know what OIDs are used for then you probably don't want to be using them.
– vdegenne
Jul 9 '16 at 21:26
...
Loading and parsing a JSON file with multiple JSON objects
...o parse it all in one go or to figure out a streaming JSON parser. You can now opt to process each line separately before moving on to the next, saving memory in the process. You probably don't want to append each result to one list and then process everything if your file is really big.
If you hav...
What static analysis tools are available for C#? [closed]
What tools are there available for static analysis against C# code? I know about FxCop and StyleCop. Are there others? I've run across NStatic before but it's been in development for what seems like forever - it's looking pretty slick from what little I've seen of it, so it would be nice if it would...
How do I undo 'git add' before commit?
...used to error out when
you do not have any commits in your history, but it now gives you
an empty index (to match non-existent commit you are not even on).
Documentation: git reset
share
|
improve ...
catch all unhandled exceptions in ASP.NET Web Api
...
This is now possible with WebAPI 2.1 (see the What's New):
Create one or more implementations of IExceptionLogger. For example:
public class TraceExceptionLogger : ExceptionLogger
{
public override void Log(ExceptionLoggerConte...
“This project is incompatible with the current version of Visual Studio”
... Tools or unchecked it by accident. I modified VS 2015 and added that and now the error is gone.
– smoore4
Jul 1 '16 at 10:21
...
Using MemoryStore in production
... sessionStore.get(sessions[i], function() {} );
}
});
}
Now just call sessionCleanup periodically via setInterval() and you have automatic garbage collection for expired sessions. No more memory leaks.
sha...