大约有 40,000 项符合查询结果（耗时：0.0487秒） [XML]
How to execute a Python script from the Django shell?
...es, it's a good idea to set it up as a custom command ie
$ ./manage.py my_command
to do this create a file in a subdir of management and commands of your app, ie
my_app/
__init__.py
models.py
management/
__init__.py
commands/
__init__.py
my_co...
Find unique rows in numpy.array
...e((np.void, a.dtype.itemsize * a.shape[1]))) ?
– Akavall
Jun 7 '13 at 0:28
3
@Akavall It is creat...
Where does the .gitignore file belong?
...'s commonly used as a placeholder file in folders, since folders aren't usually tracked by git.
share
|
improve this answer
|
follow
|
...
How to encode the filename parameter of Content-Disposition header in HTTP?
...
All in all, this is nothing but a link-only answer with 74 upvotes.
– Antti Haapala
Sep 11 '16 at 21:33
...
Difference between fold and reduce?
...
So basically instead of doing fold, you can simply add that initial value to the start of the list and do reduce? What's the point of fold then?
– Pacerier
Feb 7 '17 at 9:42
...
addEventListener not working in IE8
...
Try:
if (_checkbox.addEventListener) {
_checkbox.addEventListener("click", setCheckedValues, false);
}
else {
_checkbox.attachEvent("onclick", setCheckedValues);
}
Update::
For Internet Explorer versions prior to IE9, attach...
How can I detect the touch event of an UIImageView?
...cify images) over the UIImageView. Then attach whatever methods you want called to that.
You can use that technique for many cases where you really want some area of the screen to act as a button instead of messing with the Touch stuff.
...
Chrome hangs after certain amount of data transfered - waiting for available socket
...ins and serve them directly with Nginx for example.
Create a subdomain called img.yoursite.com and load all your images
from there.
Create a subdomain called scripts.yourdomain.com and load all your JS and CSS files from there.
Create a subdomain called sounds.yoursite.com and load all your MP3s...
What's the difference between eval, exec, and compile?
...
The short answer, or TL;DR
Basically, eval is used to evaluate a single dynamically generated Python expression, and exec is used to execute dynamically generated Python code only for its side effects.
eval and exec have these two differences:
eval accep...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...
The first version is preferable:
It works for all kinds of keys, so you can, for example, say {1: 'one', 2: 'two'}. The second variant only works for (some) string keys. Using different kinds of syntax depending on the type of the keys would be an unnecessary inconsisten...