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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
... source filenames. So "${BASH_SOURCE[0]}" would return you the name of the script file.
dirname is a utility provided by GNU coreutils that remove the last component from the filename. Thus if you execute your script by saying bash foo, "$( dirname "${BASH_SOURCE[0]}" )" would return .. If you said...
Testing if object is of generic type in C#
...the OP did not specifically ask to test against a specific type and in the title asks "is of" generic type...not sure why I deserve downvotes for an ambiguous question.
– Stan R.
Jun 28 '13 at 16:16
...
Strangest language feature
...
In JavaScript, the following construct
return
{
id : 1234,
title : 'Tony the Pony'
};
returns undefined is a syntax error due to the sneaky implicit semicolon insertion on the newline after return. The following works as you would expect though:
return {
id : 1234,
title :...
Detect permission of camera in iOS
... - Alert
let cameraUnavailableAlertController = UIAlertController (title: "Camera Unavailable", message: "Please check to see if it is disconnected or in use by another application", preferredStyle: .Alert)
let settingsAction = UIAlertAction(title: "Settings", style: .Destructive) { (_) -&g...
How to read file contents into a variable in a batch file?
...ue to limits of a buffer within cmd. It's a horrible language for reliable scripts.
– Joey
Jul 18 '14 at 14:03
I know,...
Is there an easy way to return a string repeated X number of times?
...
This is a very useful trick of C#, but the title of the question is asking about a string (not a char). The other answers below this one are actually answering the question, but are rated much lower. I'm not trying to disrespect Ahmad's answer, but I think either ...
How to line-break from css, without using ?
...nt: no extra markup.
In a blockquote, the example below displays both the title and the source link and separate the two with a carriage return ("\a"):
blockquote[title][cite]:after {
content:attr(title)"\a"attr(cite)
}
...
How to set size for local image using knitr for markdown?
...h Pandoc . Per this post , this will insert the local image :
8 Answers
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Turning live() into on() in jQuery
...y ".live()" method is depreciated since v1.7 and removed in v1.9. Fix your scripts by using the ".on()" method instead. Surprisingly this also affects the current Microsoft jquery.unobtrusive-ajax.js v2.0.20710.0 (Microsoft didn't update their scripts either so now it is broken).
...
How can I take more control in ASP.NET?
...ns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Jon Skeet's Form Page</title>
</head>
<body>
<form action="JonSkeetForm.aspx" method="get">
<div>
<input type="text" ID="text1" runat="server" />
<input ...