大约有 10,900 项符合查询结果（耗时：0.0374秒） [XML]
A Better Django Admin ManyToMany Field Widget
... if you have a lot of Objects of the "other" model then it's quite impractical to actually find the "other" Objects you want to associate with "this" Object. And if you have a lot of objects of the "other" model it seems to even slows down the rendering of the Admin page.
...
How do I select an element in jQuery by using a variable for the ID?
...
You can do it like this:
row_id = 5;
row = $("body").find('#'+row_id);
share
|
improve this answer
|
...
Large Numbers in Java
How would I go about doing calculations with extremely large numbers in Java?
6 Answers
...
Formatting “yesterday's” date in python
...
If you happen to be working with pandas, you can as well use: print((pd.to_datetime('Today') - pd.Timedelta('1 days')).strftime('%m%d%y'))
– etna
Oct 2 '17 at 7:39
...
Zero-pad digits in string
I need to cast single figures (1 to 9) to (01 to 09). I can think of a way but its big and ugly and cumbersome. I'm sure there must be some concise way. Any Suggestions
...
JQuery to load Javascript file dynamically
...
Yes, use getScript instead of document.write - it will even allow for a callback once the file loads.
You might want to check if TinyMCE is defined, though, before including it (for subsequent calls to 'Add Comment') so the code might look something like this:
$('#add_comment').click(function()...
INSERT … ON DUPLICATE KEY (do nothing)
...
Yes, use INSERT ... ON DUPLICATE KEY UPDATE id=id (it won't trigger row update even though id is assigned to itself).
If you don't care about errors (conversion errors, foreign key errors) and autoincrement field exhaustion (it's incremented even if th...
How to turn off word wrapping in HTML?
...ure this out, but how do I turn off wordwrap? the css word-wrap property can be forced on with break-word , but cannot be forced off (only can be left alone with normal value).
...
Gesture recognizer and button actions
... but i still don't know why the responder hierarchy is not working in this case. It probably should, but it's not being handled by Apple.
– Mustafa
Jan 28 '11 at 7:29
...
Backwards migration with Django South
...ooks at the database tables to decide which ones are 'new').
However, you can also specify any migration by number, and South will migrate your database, either forward or backward, to take it to that point. So, with the example files above, if you have already migrated up to 0003, and you wanted t...