大约有 47,000 项符合查询结果（耗时：0.0529秒） [XML]
Why does parseInt yield NaN with Array#map?
...uess octal, which tended to be problematic. It will still guess hex if the string starts with 0x.)
share
|
improve this answer
|
follow
|
...
How to use int.TryParse with nullable int? [duplicate]
I am trying to use TryParse to find if the string value is an integer. If the value is an integer then skip foreach loop. Here is my code.
...
How do I expire a PHP session after 30 minutes?
...ms with filesystems where atime tracking is not available.
So it additionally might occur that a session data file is deleted while the session itself is still considered as valid because the session data was not updated recently.
And second:
session.cookie_lifetime
session.cookie_lifetime ...
Xcode doesn't show the line that causes a crash
Every time my app crashes Xcode highlights the UIApicationMain() call in the main() function as the line that caused the crash. In some cases that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the con...
Inject service in app.config
...e not quite using resolves how they're designed.
resolve takes either the string of a service or a function returning a value to be injected. Since you're doing the latter, you need to pass in an actual function:
resolve: {
data: function (dbService) {
return dbService.getData();
}
}
Whe...
How to check if a process id (PID) exists
...e process ID column with no header. The quotes are necessary for non-empty string operator -n to give valid result.
share
|
improve this answer
|
follow
|
...
django - why is the request.POST object immutable?
...
It's a bit of a mystery, isn't it? Several superficially plausible theories turn out to be wrong on investigation:
So that the POST object doesn't have to implement mutation methods? No: the POST object belongs to the django.http.QueryDict class, which implements a full set ...
Django Rest Framework: Dynamically return subset of fields
...verride the serializer __init__ method and set the fields attribute dynamically, based on the query params. You can access the request object throughout the context, passed to the serializer.
Here is a copy&paste from Django Rest Framework documentation example on the matter:
from rest_framew...
How to make a div grow in height while having floats inside
...
Clearfix is extra markup. Simply give the parent div the markup overflow: auto;
– JakeParis
Jan 5 '11 at 13:59
a...
find -exec with multiple commands
...? this is failing: find ./* -exec grep -v 'COLD,' {} \; -exec egrep -i "my_string" {} \;
– rajeev
Jan 22 '13 at 16:08
53
...