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difference between use and require
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require loads libs (that aren't already loaded), use does the same plus it refers to their name...
What does the Ellipsis object do?
... object that can appear in slice notation. For example:
myList[1:2, ..., 0]
Its interpretation is purely up to whatever implements the __getitem__ function and sees Ellipsis objects there, but its main (and intended) use is in the numpy third-party library, which adds a multidimensional array ty...
difference between socket programming and Http programming
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answered Feb 27 '13 at 10:48
jgauffinjgauffin
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“int main (vooid)”? How does that work?
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It's simply using the "old-style" function-declaration syntax; you're implicitly declaring an in...
SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
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Bhavesh Gangani
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answered Nov 18 '12 at 21:38
John WooJohn Woo
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How do I stop Notepad++ from showing autocomplete for all words in the file
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– schuelermine
Apr 15 '18 at 14:07
@Mark Neu Not that I know. If you need this, you could try some other editors l...
Difference between fold and reduce?
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answered Jan 29 '12 at 19:08
LeeLee
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How to tag an older commit in Git?
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Example:
git tag -a v1.2 9fceb02 -m "Message here"
Where 9fceb02 is the beginning part of the commit id.
You can then push the tag using git push origin v1.2.
You can do git log to show all the commit id's in your current branch.
There is also a good...
Any shortcut to initialize all array elements to zero?
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A default value of 0 for arrays of integral types is guaranteed by the language spec:
Each class variable, instance variable, or array component is initialized with a default value when it is created (§15.9, §15.10) [...] For type int, th...
Changing my CALayer's anchorPoint moves the view
...ocation of the layer's anchorPoint. By default, a layer's anchorPoint is (0.5, 0.5), which lies at the center of the layer. When you set the position of the layer, you are then setting the location of the center of the layer in its superlayer's coordinate system.
Because the position is relative ...