大约有 47,000 项符合查询结果(耗时:0.0467秒) [XML]
typeof for RegExp
...
awesome. do you know which is faster/more compatible: using your instanceof method or the constructor.name method? thanks!
– tau
Dec 2 '10 at 20:10
...
LEFT OUTER joins in Rails 3
...In Rails 3, this is the only way to have true control over your joins and know exactly what's going on.
– Joshua Pinter
Jan 29 '18 at 16:26
add a comment
|...
How to make rounded percentages add up to 100%
...
@VarunVohra sorry i didn't notice this until now, yes it looks like your algorithm is the same :) not sure why my post is the accepted answer, the obfuscated code was just for the lolz...
– yonilevy
Mar 31 '14 at 10:40
...
What does “Auto packing the repository for optimum performance” mean?
...bjects, so Git initially creates loose objects, then packs them in batches now and then, via automatic invocation of git gc --auto.
If you let Git finish repacking, this won't happen again for a while. It can indeed take a while, especially if you have a lot of large binary objects, but if it's tri...
Hibernate, @SequenceGenerator and allocationSize
We all know the default behaviour of Hibernate when using @SequenceGenerator - it increases real database sequence by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
...
Web-scraping JavaScript page with Python
... discontinued and is no longer under active development in light of Chrome now supporting headless. Use of headless chrome/firefox is suggested.
– sytech
Mar 23 '18 at 20:42
3
...
Get Base64 encode file-data from Input Form
...at, but it's here if you want to take a look; it's pretty neat.
What I do now:
The code for converting to string from a Uint8Array is pretty simple (where buf is a Uint8Array):
function uint8ToString(buf) {
var i, length, out = '';
for (i = 0, length = buf.length; i < length; i += 1) {...
Who is calling the Java Thread interrupt() method if I'm not?
...ly should not call System.exit(). (Your application does not necessarily know why it was interrupted, and it certainly does not know if there are other threads that need to be interrupted by the framework.)
On the other hand, if your code is not designed to run under the control of some framewor...
How to 'bulk update' with Django?
...
Update:
Django 2.2 version now has a bulk_update.
Old answer:
Refer to the following django documentation section
Updating multiple objects at once
In short you should be able to use:
ModelClass.objects.filter(name='bar').update(name="foo")
...
Objective-C for Windows
...
WinObjC? Windows Bridge for iOS (previously known as ‘Project Islandwood’).
Windows Bridge for iOS (also referred to as WinObjC) is a Microsoft open source project that provides an Objective-C development environment for Visual Studio/Windows. In addition, WinObjC...