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How can I move a tag on a git branch to a different commit?
I created a tag on the master branch called v0.1 like this:
9 Answers
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How to copy a directory structure but only include certain files (using windows batch files)
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Really!? I am also using Win 7. When I try, it just doesn't copy any files. Only folders. I'll try again. (while we're at it, what is the syntax to include more than *.zip - let's say *.zip and *.jpg.
– Ni...
How do Trigonometric functions work?
...angles between 0 and 45 degrees, you can bootstrap your way to calculating all trig functions for all angles.
Once you've reduced your argument, most chips use a CORDIC algorithm to compute the sines and cosines. You may hear people say that computers use Taylor series. That sounds reasonable, but...
Can an interface extend multiple interfaces in Java?
...in of the diamond problem?) __Tried it and the sensible thing happens: not allowed if the return type is different.
– Daniel
Jan 6 '15 at 17:38
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CSV in Python adding an extra carriage return, on Windows
... best approach. For example, it doesn't work on Python 3 unless you encode all of your inputs to the CSV writer. Also, it doesn't address the issue if the script wants to use sys.stdout as the stream.
I suggest instead setting the 'lineterminator' attribute when creating the writer:
import csv
imp...
ThreadStatic v.s. ThreadLocal: is generic better than attribute?
[ThreadStatic] is defined using attribute while ThreadLocal<T> uses generic.
Why different design solutions were chosen?
What are the advantages and disadvantages of using generic over attributes in this case?
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Is there a Mutex in Java?
...ause a Semaphore object initialized with 1 permit does not help me.
Think of this case:
8 Answers
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How to print like printf in Python3?
... inline interpolation. What's even nicer is it extended the syntax to also allow format specifiers with interpolation. Something I've been working on while I googled this (and came across this old question!):
print(f'{account:40s} ({ratio:3.2f}) -> AUD {splitAmount}')
PEP 498 has the details. ...
How to keep environment variables when using sudo
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To allow -E (preserve environment) for wget, you need to specify the SETENV tag on the sudo rule that allows the running of wget -- Example: <username> ALL=(root) NOPASSWD:SETENV: <path to wget>
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Convert char to int in C and C++
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Well, in ASCII code, the numbers (digits) start from 48. All you need to do is:
int x = (int)character - 48;
Or, since the character '0' has the ASCII code of 48, you can just write:
int x = character - '0'; // The (int) cast is not necessary.
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