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How do I use sudo to redirect output to a location I don't have permission to write to?
...!/bin/sh
ls -hal /root/ > /root/test.out
Run sudo ls.sh. See Steve Bennett's answer if you don't want to create a temporary file.
Launch a shell with sudo -s then run your commands:
[nobody@so]$ sudo -s
[root@so]# ls -hal /root/ > /root/test.out
[root@so]# ^D
[nobody@so]$
Use sudo tee (if ...
Unit testing that events are raised in C# (in order)
...
This is very old and probably wont even be read but with some cool new .net features I have created an INPC Tracer class that allows that:
[Test]
public void Test_Notify_Property_Changed_Fired()
{
var p = new Project();
var tracer = new INCPTracer();
// One event
tracer.With(p)...
HTML table headers always visible at top of window when viewing a large table
...ixed) and wrapped it as a jQuery plugin.
Try it out here: http://jsfiddle.net/jmosbech/stFcx/
And get the source here: https://github.com/jmosbech/StickyTableHeaders
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How to check if an object is nullable?
...ct variable.
Microsoft documentation: https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/nullable-types/how-to-identify-a-nullable-type
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Encrypt and decrypt a string in C#?
...on with Associated Data (AEAD), however this isn't a part of the standard .net crypto libraries. So the first example uses AES256 and then HMAC256, a two step Encrypt then MAC, which requires more overhead and more keys.
The second example uses the simpler practice of AES256-GCM using the open sour...
How do I create a custom Error in JavaScript?
...tImplementedError message
Error
at window.onload (http://fiddle.jshell.net/MwMEJ/show/:29:34)
ex1 instanceof NotImplementedError2 = true
ex1 instanceof Error = true
ex1.name = Error
ex1.message = NotImplementedError2 message
This confirmes the "problem" I ran into was the stack property of the...
What is the 'new' keyword in JavaScript?
...on object, thats internal prototype points to the Object object: jsfiddle.net/Mk42Z
– basilikum
Apr 28 '14 at 18:19
2
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How to extract base URL from a string in JavaScript?
...nally the port of the URL.
For example, location.origin of the URL http://www.sitename.com/article/2009/09/14/this-is-an-article/ is http://www.sitename.com.
To target browsers without support for location.origin use the following concise polyfill:
if (typeof location.origin === 'undefined')
...
How to store arrays in MySQL?
...
Use database field type BLOB to store arrays.
Ref: http://us.php.net/manual/en/function.serialize.php
Return Values
Returns a string containing a byte-stream representation of value that
can be stored anywhere.
Note that this is a binary string which may include null bytes, and
needs to b...
Fetch frame count with ffmpeg
...
@Omar, As a .NET dev, what I do is I create a TimeSpan from it, then use currentDurationTimeSpan.Ticks / (totalDurationTimeSpan.Ticks / 100). The TimeSpan also provides a powerful Parse function, check it out
– Shimm...