大约有 33,000 项符合查询结果（耗时：0.0411秒） [XML]
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
...ng get_readonly_fields.
Usually you should declare something like this in app/admin.py:
class ItemAdmin(admin.ModelAdmin):
...
readonly_fields = ('url',)
I've adapted in this way:
# In the admin.py file
class ItemAdmin(admin.ModelAdmin):
...
def get_readonly_fields(self, request...
Origin null is not allowed by Access-Control-Allow-Origin
... it in a local file browser or similar). Different browsers take different approaches to applying the Same Origin Policy to local files.
My guess is that you're seeing this using Chrome. Chrome's rules for applying the SOP to local files are very tight, it disallows even loading files from the same...
What are the big improvements between guava and apache equivalent libraries?
... to backward compatibility), Java generics are still very useful when used appropriately, like Guava does. I'd rather quit than work with non-generified collections!
(Note that Apache Commons 3.0, does target Java 1.5+)
Guava is very well designed / documented
The code is full of best practices a...
Maximum number of threads per process in Linux?
...p_count
echo 200000 > /proc/sys/kernel/pid_max
./100k-pthread-create-app
2018 update from @Thomas, on systemd systems:
/etc/systemd/logind.conf: UserTasksMax=100000
share
|
improve this an...
How do I lock the orientation to portrait mode in a iPhone Web Application?
I'm building a iPhone Web Application and want to lock the orientation to portrait mode. is this possible? Are there any web-kit extensions to do this?
...
What's Pros and Cons: putting javascript in head and putting just before the body close
...ll times out or for some other reason blocks the page execution. This can happen a lot with third party advertising libraries, etc.
Yes you may have to think a little harder about how you architect your application, but I found it to become very natural very quickly for me. I have built hundreds o...
HTML5 record audio to file
...re is a fairly complete recording demo available at: http://webaudiodemos.appspot.com/AudioRecorder/index.html
It allows you to record audio in the browser, then gives you the option to export and download what you've recorded.
You can view the source of that page to find links to the javascript,...
Should I learn C before learning C++? [closed]
...ectory to find it was done in C++ (most of the other projects were Java 3D apps).
14 Answers
...
Android Debug Bridge (adb) device - no permissions [duplicate]
...rks but it's not very comfortable to do so everytime you want to test your app.
– Kristopher
May 8 '13 at 14:45
5
...
Load a UIView from nib in Swift
...mediately and never make it to production. Here I would prefer to have the app crash over leaving it in some weird state. Just my 2 cents / preference.
– Robert Gummesson
Jun 21 '17 at 16:29
...