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An example of how to use getopts in bash
I want to call myscript file in this way:
7 Answers
7
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How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
When I have a link that is wired-up with a jQuery or JavaScript event such as:
15 Answers
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What does jQuery.fn mean?
... window.foo = foo;
})();
// Extension:
foo.fn.myPlugin = function () {
alert(this.myArg);
return this; // return `this` for chainability
};
foo("bar").myPlugin(); // alerts "bar"
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imp...
In Python, how do I convert all of the items in a list to floats?
I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list.
12 Answers...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
... ran into ss64.com which provides good help regarding how to write batch scripts that the Windows Command Interpreter will run.
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How can I list all collections in the MongoDB shell?
...
You can do...
JavaScript (shell):
db.getCollectionNames()
Node.js:
db.listCollections()
Non-JavaScript (shell only):
show collections
The reason I call that non-JavaScript is because:
$ mongo prodmongo/app --eval "show collections"
M...
Ruby on Rails Server options [closed]
...lling restarts. Rolling restarts on Unicorn and other servers require some scripting work. Phusion Passenger Enterprise completely automates this way for you.
There are more features and advantages, but the list is really long. You should refer to the comprehensive Phusion Passenger manual (Apache...
MongoDb query condition on comparing 2 fields
...can use a $where. Just be aware it will be fairly slow (has to execute Javascript code on every record) so combine with indexed queries if you can.
db.T.find( { $where: function() { return this.Grade1 > this.Grade2 } } );
or more compact:
db.T.find( { $where : "this.Grade1 > this.Grade2" } );...
Why were pandas merges in python faster than data.table merges in R in 2012?
...cible benchmark. It upgrades tools to recent versions and re-run benchmark scripts. It runs many other software solutions. If you are interested in Spark, Dask and few others be sure to check the link.
As of now... (still to be implemented: one more data size and 5 more questions)
We tests 2 dif...
Show an image preview before upload
...taURL($(this)[0].files[i]);
}
} else {
alert("This browser does not support FileReader.");
}
} else {
alert("Pls select only images");
}
});
Detailed Article: How to Preview Image before upload it, jQuery, HTML5 FileReader() with Liv...