大约有 2,317 项符合查询结果（耗时：0.0114秒） [XML]
How do I do a not equal in Django queryset filtering?
In Django model QuerySets, I see that there is a __gt and __lt for comparitive values, but is there a __ne / != / <> ( not equals ?)
...
Angularjs $q.all
I have implemented the $q.all in angularjs, but I can not make the code work. Here is my code :
3 Answers
...
What is q=0.5 in Accept* HTTP headers?
What do these 'q=%f' mean?
3 Answers
3
...
Rolling or sliding window iterator?
I need a rolling window (aka sliding window) iterable over a sequence/iterator/generator. Default Python iteration can be considered a special case, where the window length is 1. I'm currently using the following code. Does anyone have a more Pythonic, less verbose, or more efficient method for d...
Delete files or folder recursively on Windows CMD
...e the following steps:
Open the command prompt
Change directory to the required path
Give the following command
del /S *.svn
share
|
improve this answer
|
follow
...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...econd command (after the | command separator—see
:help :bar) does not require any change when the pattern or flags
are altered in the first one.
2. To save some typing, in order to bring up the skeleton of
the above substitution command in the command line, one can define
a Normal-mode mapping, ...
What is the difference between DSA and RSA?
It appears they are both encryption algorithms that require public and private keys. Why would I pick one versus the other to provide encryption in my client server application?
...
Dynamically update values of a chartjs chart
...t to override with a hard coded scale
scaleOverride : true,
//** Required if scaleOverride is true **
//Number - The number of steps in a hard coded scale
scaleSteps : 10,
//Number - The value jump in the hard coded scale
scaleStepWidth : 10,
//Number - The scale starting...
Django filter queryset __in for *every* item in list
...blem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories.
You also have the option of using custom queries.
Some examples
Test setup:
class Photo(models.Model):
tags = models.ManyToManyField('Tag')
...
How do I check that multiple keys are in a dict in a single pass?
...ch faster. For my testing it is about the same speed as using all when the query was 10 items. It gets slower as the query gets bigger though.
– John La Rooy
Oct 11 '09 at 22:43
1
...