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mysql - how many columns is too many?
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144
It's considered too many once it's above the maximum limit supported by the database.
The fac...
Finding the path of the program that will execute from the command line in Windows
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edited Feb 24 at 1:42
Callum Watkins
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an...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
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edited Sep 6 '19 at 11:17
thecoshman
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Generating a random password in php
...Try this (use strlen instead of count, because count on a string is always 1):
function randomPassword() {
$alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
$pass = array(); //remember to declare $pass as an array
$alphaLength = strlen($alphabet) - 1; //put t...
What is the equivalent of 'describe table' in SQL Server?
...ent RamdhanieVincent Ramdhanie
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2
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List all environment variables from the command line
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1381
Just do:
SET
You can also do SET prefix to see all variables with names starting with pref...
How to iterate over the files of a certain directory, in Java? [duplicate]
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184
If you have the directory name in myDirectoryPath,
import java.io.File;
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File dir = new ...
inserting characters at the start and end of a string
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133
Strings are immutable so you can't insert characters into an existing string. You have to crea...
Why can't non-default arguments follow default arguments?
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177
All required parameters must be placed before any default arguments. Simply because they are m...