大约有 47,000 项符合查询结果（耗时：0.0731秒） [XML]
Mongoose query where value is not null
...uery api):
Entrant.where("pincode").ne(null)
... which will result in a mongo query resembling:
entrants.find({ pincode: { $ne: null } })
A few links that might help:
The mongoose query api
The docs for mongo query operators
...
Select 50 items from list at random to write to file
So far I have figured out how to import the file, create new files, and randomize the list.
4 Answers
...
Adding onClick event dynamically using jQuery
Due to a plugin being used, I can't add the "onClick" attribute to the HTML form inputs like usual.
A plugin is handling the forms part in my site and it doesn't give an option to do this automatically.
...
Guards vs. if-then-else vs. cases in Haskell
I have three functions that find the nth elem>me m>nt of a list:
3 Answers
3
...
List files in local git repo?
I'm using Sparkleshare, which uses Git to sync files between my laptop and my backup server.
3 Answers
...
How to undo the effect of “set -e” which makes bash exit imm>me m>diately if any command fails?
After entering set -e in an interactive bash shell, bash will exit imm>me m>diately if any command exits with non-zero. How can I undo this effect?
...
Difference between exit(0) and exit(1) in Python
...
0 and 1 are the exit codes.
exit(0) m>me m>ans a clean exit without any errors / problems
exit(1) m>me m>ans there was som>me m> issue / error / problem and that is why the program is exiting.
This is not Python specific and is pretty common. A non-zero exit code is treated...
How do I remove leading whitespace in Python?
I have a text string that starts with a number of spaces, varying between 2 & 4.
5 Answers
...
Mockito verify order / sequence of m>me m>thod calls
Is there a way to verify if a m>me m>thodOne is called before m>me m>thodTwo in Mockito?
4 Answers
...
Simulate airplane mode in iPhone Simulator
Is there any way to simulate airplane mode in the iPhone Simulator?
4 Answers
4
...