大约有 15,000 项符合查询结果（耗时：0.0434秒） [XML]
How to query as GROUP BY in django?
...nnotate(dcount=Count('designation'))
This results in a query similar to
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
and the output would be of the form
[{'designation': 'Salesman', 'dcount': 2},
{'designation': 'Manager', 'dcount': 2}]
...
What's wrong with Java Date & Time API? [closed]
...ar 109). There are a similar number of ++ and -- on the months in order to convert to a string.
They're mutable. As a result, any time you want to give a date back (say, as an instance structure) you need to return a clone of that date instead of the date object itself (since otherwise, people can m...
Pass a variable into a partial, rails 3?
...t the :locals hash is not needed when using Rails 3. The arguments hash is converted into arguments which are passed to the partial.
– superluminary
Jan 13 '12 at 14:36
4
...
Trying to embed newline in a variable in bash [duplicate]
... This doesn't actually embed newlines, it embeds \n, which the echo -e converts to newlines as it prints. Depending on your actual goal, this may or may not do the trick.
– Gordon Davisson
Feb 4 '12 at 17:52
...
How to overload __init__ method based on argument type?
...me, basestring):
# filename is a string
else:
# try to convert to a list
self.path = list (filename)
share
|
improve this answer
|
follow
...
How to get datetime in JavaScript?
...
You can convert Date to almost any format using the Snippet I have added below.
Code:
dateFormat(new Date(),"dd/mm/yy h:MM TT")
//"20/06/14 6:49 PM"
Other examples
// Can also be used as a standalone function
dateFormat(new Date...
How do I create a simple 'Hello World' module in Magento?
...ck our work). In the admin application
Go to System->Cache Management
Select Refresh from the All Cache menu
Click Save Cache settings
Now, we make sure that Magento knows about the module
Go to System->Configuration
Click Advanced
In the "Disable modules output" setting box, look for yo...
Why Java needs Serializable interface?
... This is clearly the better answer, I am disappointed that the selected answer is not this, it seems the posted chose with a "Im annoyed because I have to declare things serializable" agenda in mind. Its an example of some one wanting to free whell and not heed the security and design le...
How do I force git to use LF instead of CR+LF under windows?
... out as whatever it is in the repo – hopefully LF (\n). Any CRLF will be converted to just LF on checkin.
With an existing repo that you have already checked out – that has the correct line endings in the repo but not your working copy – you can run the following commands to fix it:
git rm -...
Ruby Array find_first object?
...; 2
If you wanted to return all values where block returns true then use select
[1,2,3,11,34].select(&:even?) #=> [2, 34]
share
|
improve this answer
|
follow
...