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What is a handle in C++?
I have been told that a handle is sort of a pointer, but not, and that it allows you to keep a reference to an object, rather than the object itself. What is a more elaborate explanation?
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What is `git diff --patience` for?
How does the patience algorithm differ from the default git diff algorithm, and when would I want to use it?
3 Answers
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Sorting data based on second column of a file
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You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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What does the Ellipsis object do?
... I noticed an odd looking object called Ellipsis , it does not seem to be or do anything special, but it's a globally available builtin.
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Example: Communication between Activity and Service using Messaging
...ve spent far too many hours figuring this out. Here is an example project for others to reference.
9 Answers
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UnicodeDecodeError when reading CSV file in Pandas with Python
... similar files. A random number of them are stopping and producing this error...
20 Answers
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img src SVG changing the styles with CSS
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If your goal is just to change the color of the logo, and you don't necessarily NEED to use CSS, then don't use javascript or jquery as was suggested by some previous answers.
To precisely answer the original question, just:
Open your logo.svg in a text edit...
Remove all multiple spaces in Javascript and replace with single space [duplicate]
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This works too. s = s.replace(/ +/g, " ");
– InfinitiesLoop
Jul 20 '10 at 3:54
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Sort a text file by line length including spaces
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Answer
cat testfile | awk '{ print length, $0 }' | sort -n -s | cut -d" " -f2-
Or, to do your original (perhaps unintentional) sub-sorting of any equal-length lines:
cat testfile | awk '{ print length, $0 }' | sort -n | cut -d" " -f2-
In both cases, we have solved your st...
Getting the parent of a directory in Bash
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dir=/home/smith/Desktop/Test
parentdir="$(dirname "$dir")"
Works if there is a trailing slash, too.
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