大约有 49,000 项符合查询结果（耗时：0.0564秒） [XML]
MongoDB not equal to
...8b1a7768972d396fe2268"), "author" : "you", "post" : "how to query" }
And now $not, which takes in predicate ($ne) and negates it ($not):
db.test.find({'post': {$not: {$ne : ""}}})
{ "_id" : ObjectId("4f68b19c768972d396fe2267"), "author" : "me", "post" : "" }
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How do I install an old version of Django on virtualenv?
...eady installed, do easy_install pip, then never touch easy_install again). Now you can do:
pip install Django==1.0.4
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Delete local Git branches after deleting them on the remote repo
...swer here:
https://stackoverflow.com/a/34969726/550454
But essentially, I now have this in my ~/.gitconfig:
[alias]
prune-branches = !git remote prune origin && git branch -vv | grep ': gone]' | awk '{print $1}' | xargs -r git branch -d
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Injecting a mock into an AngularJS service
...ck the functions on the service as needed using Jasmine's spyOn function.
Now, if the service itself is a function, and not an object that you can use spyOn with, there's another way to go about it. I needed to do this, and found something that works pretty well for me. See How do you mock Angular ...
Overriding class constants vs properties
...>test;
}
Note the static keyword. This is uses "late static binding". Now you're parent class will call the const of your child class.
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Selecting the first “n” items with jQuery
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Can't edit now sorry -- basically, using slice was a lot faster.
– nickf
Oct 29 '13 at 13:13
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Can't su to user jenkins after installing Jenkins
...run this command "docker exec -it (container-name or container-id) bash"
Now hopefully you will be using as a jenkins user.
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Colors with unix command “watch”?
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Some newer versions of watch now support color.
For example watch --color ls -ahl --color.
Related.
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How to find if directory exists in Python
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@CamilStaps This question was viewed 354000 times (by now). Answers here are not only for OP, they are for anyone who could come here for whatever reason. aganders3's answer is pertinent even if it does not directly resolve OP's problem.
– Gabriel
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How to get the device's IMEI/ESN programmatically in android?
...ng that a malicious user hasn't forged this information requires a bit of knowledge about how the Google Data APIs work -- more than I can put in this small comment box. ;)
– Trevor Johns
Dec 30 '09 at 22:48
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