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JavaScript OOP in NodeJS: how?
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EsailijaEsailija
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INSERT INTO…SELECT for all MySQL columns
... Mark ByersMark Byers
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Regex to validate password strength
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438
You can do these checks using positive look ahead assertions:
^(?=.*[A-Z].*[A-Z])(?=.*[!@#$...
How can I force Powershell to return an array when a call only returns one object?
...mands in parentheses with an @ at the beginning:
$serverIps = @(gwmi Win32_NetworkAdapterConfiguration
| Where { $_.IPAddress }
| Select -Expand IPAddress
| Where { $_ -like '*.*.*.*' }
| Sort)
Specify the data type of the variable as an array:
[array]$serverIps = gwmi Win32_...
How do I provide custom cast support for my class?
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4 Answers
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Should all Python classes extend object?
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edited Jan 16 '16 at 19:04
Mark Amery
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What's an easy way to read random line from a file in Unix command line?
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384
You can use shuf:
shuf -n 1 $FILE
There is also a utility called rl. In Debian it's in the ra...
How to create a jQuery plugin with methods?
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Yuval Karmi
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answered Jul 29 '11 at 10:33
Hari Karam ...
Locking a file in Python
...file locking (Linux, Ubuntu, MacOS, etc.)
import fcntl, os
def lock_file(f):
fcntl.lockf(f, fcntl.LOCK_EX)
def unlock_file(f):
fcntl.lockf(f, fcntl.LOCK_UN)
except ModuleNotFoundError:
# Windows file locking
import msvcrt, os
def file_size(f):
return o...
Create a dictionary on a list with grouping
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4 Answers
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