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WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
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SPAN vs DIV (inline-block)
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Danger14
74022 gold badges1212 silver badges3333 bronze badges
answered Oct 23 '09 at 2:11
cletuscletus
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Create Windows service from executable
... binPath=.
More information on the sc command can be found in Microsoft KB251192.
Note that it will not work for just any executable: the executable must be a Windows Service (i.e. implement ServiceMain). When registering a non-service executable as a service, you'll get the following error upon ...
What's the difference between deque and list STL containers?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Sep 16 '09 at 23:34
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How to check if there's nothing to be committed in the current branch?
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241
An alternative to testing whether the output of git status --porcelain is empty is to test eac...
Chmod recursively
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edited Nov 14 '12 at 11:30
answered Nov 14 '12 at 11:23
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How to calculate number of days between two dates
...wo input dates taking from Date Picker control. I have selected start date 2/2/2012 and end date 2/7/2012. I have written following code for that.
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How to merge specific files from Git branches
I have 2 git branches branch1 and branch2 and I want to merge file.py in branch2 into file.py in branch1 and only that file.
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How can I quantify difference between two images?
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22 Answers
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Find MongoDB records where array field is not empty
...lution:
ME.find({ pictures: { $exists: true, $ne: [] } })
Since MongoDB 2.6 release, you can compare with the operator $gt but could lead to unexpected results (you can find a detailled explanation in this answer):
ME.find({ pictures: { $gt: [] } })
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