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Set breakpoint in C or C++ code programmatically for gdb on Linux
... answered Dec 1 '10 at 16:22
Håvard SHåvard S
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How can I safely encode a string in Java to use as a filename?
...care of the special cases where the string equals ., equals .. or is empty!¹ Many programs use URL encoding to create file names, so this is a standard technique which everybody understands.
Irreversible
Use a hash (e.g. SHA-1) of the given string. Modern hash algorithms (not MD5) can be consider...
Getting error while sending email through Gmail SMTP - “Please log in via your web browser and then
...wered Sep 9 '15 at 0:55
H AßdøµH Aßdøµ
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Git “error: The branch 'x' is not fully merged”
...urrently checked out revision). In other words, when you might lose commits¹.
In practice it means that you probably amended, rebased or filtered commits and they don't seem identical.
Therefore you could avoid the warning by checking out a branch that does contain the commits that you're about un-...
How to find the foreach index?
... edited Dec 14 '17 at 3:16
buræquete
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answered Sep 26 '08 at 18:25
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How do I check if a string is a number (float)?
...ions about what is an integer e.g., for the Unicode character u'\u00b9': u'¹'.isdigit() is True but int(u'¹') raises ValueError.
– jfs
Nov 16 '12 at 16:03
8
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Extract first item of each sublist
...t numpy-way, transforming the array:
%timeit list(np.array(lst).T[0])
4.9 µs ± 163 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each)
Fully native using list comprehension (as explained by @alecxe):
%timeit [item[0] for item in lst]
379 ns ± 23.1 ns per loop (mean ± std. dev. of 7 ...
UnicodeDecodeError when redirecting to file
...n when redirected to a file.
#coding: utf8
import sys
uni = u'αßΓπΣσµτΦΘΩδ∞φ'
print >>sys.stderr,sys.stdout.encoding
print uni
Output (run directly from terminal)
cp437
αßΓπΣσµτΦΘΩδ∞φ
Python correctly determined the encoding of the terminal.
Output (redirec...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
...in where the fashion of Swift programming is going, which in Crusty's words¹ is: "Think protocols first"
• What do we want to do?
- Get an Element of an Array given an Index only when it's safe, and nil otherwise
• What should this functionality base it's implementation on?
- Array subscript...
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
...Bash 4.3.11:
POSIX vs Bash extension:
[ is POSIX
[[ is a Bash extension¹
regular command vs magic
[ is just a regular command with a weird name.
] is just an argument of [ that prevents further arguments from being used.
Ubuntu 16.04 actually has an executable for it at /usr/bin/[ provided...