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How do I initialize an empty array in C#?
...te an empty array you can do this:
string[] emptyStringArray = new string[0];
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Extracting numbers from vectors of strings
...inding a set of numbers in the start and capturing them
as.numeric(gsub("([0-9]+).*$", "\\1", years))
or
# pattern is to just remove _years_old
as.numeric(gsub(" years old", "", years))
or
# split by space, get the element in first index
as.numeric(sapply(strsplit(years, " "), "[[", 1))
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How to load assemblies in PowerShell?
...Type cmdlet e.g.:
Add-Type -Path 'C:\Program Files\Microsoft SQL Server\110\SDK\Assemblies\Microsoft.SqlServer.Smo.dll'
There are multiple different versions and you may want to pick a particular version. :-)
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How to list running screen sessions?
...n/screen/
/var/run/screen/:
total 1
drwxrwxr-x 4 root utmp 96 Mar 1 2005 .
drwxr-xr-x 10 root root 840 Feb 1 03:10 ..
drwx------ 2 josh users 88 Jan 13 11:33 S-josh
drwx------ 2 root root 48 Feb 11 10:50 S-root
/var/run/screen/S-josh:
total 0
drwx------ 2 josh users 88 Jan 13 11:33 .
d...
how to check and set max_allowed_packet mysql variable [duplicate]
...edited Jun 3 '16 at 5:47
lhrec_106
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answered Apr 16 '11 at 18:08
glebtvgl...
Convert JavaScript string in dot notation into an object reference
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+50
recent note: While I'm flattered that this answer has gotten many upvotes, I am also somewhat horrified. If one needs to convert do...
hash function for string
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cnicutarcnicutar
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Getting the client's timezone offset in JavaScript
...d UTC and negative if it is ahead. For example, if your time zone is UTC+10 (Australian Eastern Standard Time), -600 will be returned. Daylight savings time prevents this value from being a constant even for a given locale
Mozilla Date Object reference
Note that not all timezones are offset by w...
Overriding superclass property with different type in Swift
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edited Dec 10 '19 at 10:00
Dávid Pásztor
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navbar color in Twitter Bootstrap
...can I change the background color of the navbar of the Twitter Bootstrap 2.0.2? How can I change color of all the elements of the navbar to reflect the background color?
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