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C# - Selectively suppress custom Obsolete warnings
...on - introduce a new build configuration that doesn't have them as errors, and only run the unit tests there. Or (ugly) use reflection...
– Jon Skeet
Aug 14 '19 at 10:30
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Color Tint UIButton Image
...o match the tint of the segmented control. I thought this was really cool, and was wondering if I could do this elsewhere as well. For example, I have a bunch of buttons that have a uniform shape but varied colors. Instead of making a PNG for each button, could I somehow use this color masking to us...
A list of indices in MongoDB?
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And if you want to get list of all indexes in your database:
use "yourdbname"
db.system.indexes.find()
share
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improve t...
How do I append one string to another in Python?
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If you only have one reference to a string and you concatenate another string to the end, CPython now special cases this and tries to extend the string in place.
The end result is that the operation is amortized O(n).
e.g.
s = ""
for i in range(n):
s+=str(i)
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How to list empty folders in linux
In Linux how do I check all folders in a directory and output the name of all directories that are empty to a list.
1 Answe...
css rotate a pseudo :after or :before content:“”
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Inline elements can't be transformed, and pseudo elements are inline by default, so you must apply display: block or display: inline-block to transform them:
#whatever:after {
content:"\24B6";
display: inline-block;
-webkit-transform: rotate(30deg);...
Using semicolon (;) vs plus (+) with exec in find
...+), as many filenames as possible are passed as arguments to a single command:
ls file1 file2 file3
The number of filenames is only limited by the system's maximum command line length. If the command exceeds this length, the command will be called multiple times.
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Detect if homebrew package is installed
...rew packages are installed in the system. Is there a way to use a brew command to achieve that?
4 Answers
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Find the similarity metric between two strings
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Interesting article and tool: chairnerd.seatgeek.com/…
– Anthony Perot
Jan 5 '16 at 19:04
7
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sed error: “invalid reference \1 on `s' command's RHS”
I run several substitution commands as the core of a colorize script for maven .
One of the sed commands uses a regular expression which works find in the shell as discussed here . The current (not working) implementation can be found here .
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