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Most efficient way to store thousand telephone numbers
...tal of 17 + (2^(17 - k) - 1) * 10 + 1000 * k, which attains its minimum 11287 for k = 10. So we can store all phone numbers in ceil(11287/8)=1411 bytes.
Additional space can be saved by observing that none of our numbers can start with e.g. 1111111(binary), because the lowest number that starts wit...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
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answered Apr 18 '11 at 2:02
dahlbykdahlbyk
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How do I remove a submodule?
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Since git1.8.3 (April 22d, 2013):
There was no Porcelain way to say "I no longer am interested in this submodule", once you express your interest in a submodule with "submodule init".
"submodule deinit" is the way to do so.
The...
Create Django model or update if exists
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If you're looking for "update if exists else create" use case, please refer to @Zags excellent a...
Transparent ARGB hex value
...ble. This means #00FFFFFF ("transparent White") is the same color as #00F0F8FF ("transparent AliceBlue").
To keep it simple one chooses black (#00000000) or white (#00FFFFFF) if the color does not matter.
In the table you linked to you'll find Transparent defined as #00FFFFFF.
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How to Batch Rename Files in a macOS Terminal?
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edited Jul 31 '18 at 19:16
answered Jun 8 '14 at 4:39
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Is there any haskell function to concatenate list with separator?
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edited Feb 12 '18 at 9:12
adius
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Get generic type of class at runtime
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edited Mar 8 '15 at 10:55
answered Aug 4 '10 at 8:55
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git add . vs git commit -a
...CB Bailey
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