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How to find whether or not a variable is empty in Bash
...s closer to what was asked. Jay has put this in his answer so I'll refrain from updating mine and leave this up as is.
– ChristopheD
Jun 17 '10 at 19:10
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How to create a jQuery function (a new jQuery method or plugin)?
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From the Docs:
(function( $ ){
$.fn.myfunction = function() {
alert('hello world');
return this;
};
})( jQuery );
Then you do
$('#my_div').myfunction();
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How to copy a directory using Ant
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From the example here, you can write a simple Ant file using copy task.
<project name="MyProject" default="copy" basedir=".">
<target name="copy">
<copy todir="./new/dir">
<fileset...
How to remove all subviews of a view in Swift?
I'm looking for a simple method to remove at once all subviews from a superview instead of removing them one by one.
20 Ans...
How can I programmatically create a new cron job?
...t;&1 | grep -v "no crontab" | sort | uniq | crontab -
To remove this from cron
(crontab -l ; echo "0 * * * * hupChannel.sh") 2>&1 | grep -v "no crontab" | grep -v hupChannel.sh | sort | uniq | crontab -
hope would help someone
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Correct way to define Python source code encoding
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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CSS :not(:last-child):after selector
...Where you are setting the styles for all the children and then removing it from the last child.
Code Snippet
li
margin-right: 10px
&:last-child
margin-right: 0
Image
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impro...
Correct way to pause Python program
...ster a handler for the signal SIGINT and pause waiting for any signal. Now from outside your program (e.g. in bash), you can run kill -2 <python_pid>, which will send signal 2 (i.e. SIGINT) to your python program. Your program will call your registered handler and proceed running.
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How to list only top level directories in Python?
...irpath, dirnames, filenames). Thus the [1] index returns only the dirnames from that tuple.
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Get ID of last inserted document in a mongoDB w/ Java driver
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To avoid casting from Object to ObjectId, given a com.mongodb.client.MongoCollection collection and a org.bson.Document doc, you can do the following:
collection.insert(doc);
ObjectId id = doc.getObjectId("_id");
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