大约有 37,000 项符合查询结果（耗时：0.0323秒） [XML]
Creating JSON on the fly with JObject
For some of my unit tests I want the ability to build up particular JSON values (record albums in this case) that can be used as input for the system under test.
...
Compare two MySQL databases [closed]
I'm currently developing an application using a MySQL database.
21 Answers
21
...
What Vim command(s) can be used to quote/unquote words?
...nge quoting (e.g. from ' to " ) in Vim? I know about the surround.vim plugin, but I would like to use just Vim.
16 An...
MySQL convert date string to Unix timestamp
How do I convert the following format to unix timestamp?
4 Answers
4
...
python generator “send” function purpose?
Can someone give me an example of why the "send" function associated with Python generator function exists? I fully understand the yield function. However, the send function is confusing to me. The documentation on this method is convoluted:
...
Show the progress of a Python multiprocessing pool imap_unordered call?
I have a script that's successfully doing a multiprocessing Pool set of tasks with a imap_unordered() call:
9 Answers
...
How do I interactively unstage a particular hunk in git?
In git, if I have a couple of hunks from the same file staged in my index, how can I interactively unstage one of them?
3 A...
How to remove unwanted space between rows and columns in table?
How do I remove the extra space between the rows and columns in the table.
14 Answers
...
How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
14 Answers
14...
How to query as GROUP BY in django?
... you can use the aggregation features of the ORM:
from django.db.models import Count
Members.objects.values('designation').annotate(dcount=Count('designation'))
This results in a query similar to
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
and the output ...