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Count occurrences of a char in a string using Bash
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I would use the following awk command:
string="text,text,text,text"
char=","
awk -F"${char}" '{print NF-1}' <<< "${string}"
I'm splitting the string by $char and print the number of resulting fields minus 1.
If your shell does not support the <<< operat...
How to center a (background) image within a div?
... If you want the entire div to be filled with the image and no extra space you should use background-size: cover; If you want the entire image to show without any part of the image being cut off or stretched you want to use background-size: contain;
– Zlerp
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lodash multi-column sortBy descending
...ifferent direction ordering
Lodash >4
var sortedArray = _.orderBy(mixedArray,
['foo','foo.bar','bar.foo.bar'],
['desc','asc','desc']);
share
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How can I recall the argument of the previous bash command?
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ahh... *nix... you are a thing of beauty... everyday I love you more
– jx12345
May 26 '17 at 12:36
5
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
...s code is unpythonic for everyone looking at this - in Python we avoid indexes (slower, uglier). The correct way is as per @DavidRobinson's answer: dict(zip(names, d.values())). Of course this code also relies on values being sorted as names which is by no means guaranteed.
– M...
Scroll back to the top of scrollable div
How to reset the scroll position back to top of container div the next time?
15 Answers
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Unable to load Private Key. (PEM routines:PEM_read_bio:no start line:pem_lib.c:648:Expecting: ANY PR
...od God! THANK YOU! I would've never figured that out by trial and error, fixed the issue for me!
– Mikael Dyreborg Hansen
Apr 15 at 12:48
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How do I get the time difference between two DateTime objects using C#?
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The following example demonstrates how to do this:
DateTime a = new DateTime(2010, 05, 12, 13, 15, 00);
DateTime b = new DateTime(2010, 05, 12, 13, 45, 00);
Console.WriteLine(b.Subtract(a).TotalMinutes);
When executed this prints "30" si...
ImportError: No module named six
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You probably don't have the six Python module installed. You can find it on pypi.
To install it:
$ easy_install six
(if you have pip installed, use pip install six instead)
sh...
Set focus on textbox in WPF
How to set the focus on an TextBox element in WPF
9 Answers
9
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