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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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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...
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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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 should strace be used?
...u don't feel like opening up GDB, but are just interested in understanding m>ex m>ternal interaction.
A good little introduction
I ran into this intro to strace use just the other day: strace hello world
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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
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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...
Finding what methods a Python object has
...bstract virtual sub-classes. This code does the same as above and ignores m>ex m>ceptions.
import pandas as pd
df = pd.DataFrame([[10, 20, 30], [100, 200, 300]],
columns=['foo', 'bar', 'baz'])
def get_methods(object, spacing=20):
methodList = []
for method_name in dir(object...