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How to get disk capacity and free space of remote computer
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I created a PowerShell advanced function (script cmdlet) a while back that allows you to query multiple computers.
The code for the function is a little over 100 lines long, so you can find it here: PowerShell version of the df command
Check out the Usage section...
Repeatedly run a shell command until it fails?
...mplify your current solution though, you should just change your untilfail script to look like this:
#!/bin/bash
while "$@"; do :; done
And then you can call it with whatever command you're already using:
untilfail ./runTest --and val1,val2 -o option1 "argument two"
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MySQL: ignore errors when importing?
...rors to the console.
For example:
mysql -u userName -p -f -D dbName < script.sql
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Uncatchable ChuckNorrisException
...-Xverify:none)
UPDATE 3:
For those following from home, here is the full script:
Create the following classes:
public class ChuckNorrisException
extends RuntimeException // <- Comment out this line on second compilation
{
public ChuckNorrisException() { }
}
public class TestVillain {...
Python's “in” set operator
...h they are not set types, have a valuable in property during validation in scripts:
yn = input("Are you sure you want to do this? ")
if yn in "yes":
#accepts 'y' OR 'e' OR 's' OR 'ye' OR 'es' OR 'yes'
return True
return False
I hope this helps you better understand the use of in with this...
Batch file: Find if substring is in string (not in a file)
...in it, the modified version will be identical.
Testing with the following script will show it in action:
@setlocal enableextensions enabledelayedexpansion
@echo off
set str1=%1
if not x%str1:bcd=%==x%str1% echo It contains bcd
endlocal
And the results of various runs:
c:\testarea> testprog h...
How to enable assembly bind failure logging (Fusion) in .NET
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You can run this Powershell script as administrator to enable FL:
Set-ItemProperty -Path HKLM:\Software\Microsoft\Fusion -Name ForceLog -Value 1 -Type DWord
Set-ItemProperty -Path HKLM:\Software\Microsoft\Fusion -Name LogFailures ...
Use of .apply() with 'new' operator. Is this possible?
In JavaScript, I want to create an object instance (via the new operator), but pass an arbitrary number of arguments to the constructor. Is this possible?
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How to save a plot as image on the disk?
..., and an answer for each.
1. An image will be generated in future in my script, how do I save it to disk?
To save a plot, you need to do the following:
Open a device, using png(), bmp(), pdf() or similar
Plot your model
Close the device using dev.off()
Some example code for saving the plot t...
String concatenation vs. string substitution in Python
... (0.33 to 0.35)
I ran these because I do use string concatenation in my scripts, and I was wondering what the cost was. I ran them in different orders to make sure nothing was interfering, or getting better performance being first or last. On a side note, I threw in some longer string generators ...