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Remove all classes that begin with a certain string
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Careful with this one. Word boundary splits on dash character ('-') and dots and others, so class names like "bg.a", "bg-a" etc. will not be removed but replaced with ".a", "-a" etc. So if you have classnames with punctuation characters you may run into trouble by just running...
Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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Check if one IEnumerable contains all elements of another IEnumerable
...ter than the others. Thanks for the tip.
– Brandon Zacharie
Jul 18 '10 at 11:21
2
This does not w...
Swift - encode URL
.../test"
let escapedString = originalString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed)
print(escapedString!)
Output:
test%2Ftest
Swift 1
In iOS 7 and above there is stringByAddingPercentEncodingWithAllowedCharacters
var originalString = "test/test"
var escapedString = orig...
Padding characters in printf
... from a point of the variable line, which is set to start at the number of characters in PROC_NAME. tldp.org/LDP/abs/html/string-manipulation.html#SUBSTREXTR01
– cwingrav
Apr 13 '18 at 10:46
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How does this site infecting script work?
...replace(/#|\$|@|\^|&|\(|\)|\!/ig, '').
It removes most of the special characters, turning it into a normal URL:
evil://dyndns-org.gamestop.com.mybestyouxi-cn.genuinehollywood.ru:8080/softonic.com/softonic.com/google.com/livejasmin.com/videosz.com/
(I manually changed http: to evil:)
Note th...
How to count string occurrence in string?
...string you're looking for, but in that case you have to escape all the metacharacters. In that scenario, a pure string approach is preferable.
– ZER0
Apr 9 '13 at 1:47
3
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Apply formula to the entire column
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Works like a charm in 2020. Thanks!
– nxmohamad
Apr 1 at 10:47
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show 2 more c...
How can I get a list of Git branches, ordered by most recent commit?
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Great alias! I would suggest column -ts'|' and pipe characters if the comma char can occur inside relative timestamps in your locale.
– Björn Lindqvist
Check if a Windows service exists and delete in PowerShell
...ove-WmiObject -InputObject $s3
Remove-WmiObject : Access denied
At line:1 char:1
+ Remove-WmiObject -InputObject $s3
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [Remove-WmiObject], ManagementException
+ FullyQualifiedErrorId : RemoveWMIManagementExcep...