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How to call shell commands from Ruby
...ed backticks – `cmd`
This is like many other languages, including Bash, m>PHP m>, and Perl.
Returns the result (i.e. standard output) of the shell command.
Docs: http://ruby-doc.org/core/Kernel.html#method-i-60
value = `echo 'hi'`
value = `#{cmd}`
Built-in syntax, %x( cmd )
Following the x charac...
jQuery Validate Plugin - How to create a simple custom rule?
... {
amount : { greaterThanZero : true }
}
});
Just change the contents of the 'addMethod' to validate your checkboxes.
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Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
...commands.getstatusoutput("cat /etc/services")
status is 0, output is the contents of /etc/services.
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How do I programmatically “restart” an Android app?
...re and then close your application
Intent mStartActivity = new Intent(contm>ex m>t, StartActivity.class);
int mPendingIntentId = 123456;
PendingIntent mPendingIntent = PendingIntent.getActivity(contm>ex m>t, mPendingIntentId, mStartActivity, PendingIntent.FLAG_CANCEL_CURRENT);
AlarmManager mgr = (AlarmMan...
Any way to select without causing locking in MySQL?
...long will this statement take affect? I'm going to use this statement in a m>PHP m> programme,and should be best reset TRANSACTION ISOLATION LEVEL automatically once query finished
– omg
May 27 '09 at 20:17
...
Bootstrap Carousel image doesn't align properly
...the same problem and solved it this way:
It's possible to insert non-image content to Carousel, so we can use it.
You should first insert div.inner-item (where you will make center alignment), and then insert image inside this div.
Here is my code (Ruby):
<div id="myCarousel" class="carousel sl...
Unique ways to use the Null Coalescing operator [closed]
...
Hmmm, you found a counterm>ex m>ample to "why would someone want to use it as an obfuscated IF"... that is actually very readable to me.
– Godeke
Nov 10 '08 at 18:29
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AngularJS. How to call controller function from outside of controller component
... fire off in reaction to a variable change in your Angular controller- how m>ex m>actly do you do that? It would be trivial to do from the controller, but I have no idea how to do it cleanly
– Jan
Nov 6 '13 at 21:06
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How do I tokenize a string in C++?
...e using std::string::find until you hit std::string::npos, and m>ex m>tract the contents using std::string::substr.
A more fluid (and idiomatic, but basic) version for splitting on whitespace would use a std::istringstream:
auto iss = std::istringstream{"The quick brown fox"};
auto str = std::string{};...
Syntax highlighting/colorizing cat
...t of scope. cat is not meant for that.
If you just want to have the entire content of some file coloured in some way (with the same colour for the whole file), you can make use of terminal escape sequences to control the color.
Here's a sample script that will choose the colour based on the file ty...