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How can I filter lines on load in Pandas read_csv function?
...nes of a CSV to be loaded into memory using pandas? This seems like an option that one should find in read_csv . Am I missing something?
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Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
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UPDATE: Amazon now supports gzip compression, so this is no longer needed. Amazon Announcement
Original answer:
The answer is to gzip the CSS and JavaScript files. Yes, you read that right.
gzip -9 production.min.css
This will produce production.min.css.gz. Re...
RESTful web service - how to authenticate requests from other services?
...hat needs to be accessed by users, but also other web services and applications. All of the incoming requests need to be authenticated. All communication takes place over HTTPS. User authentication is going to work based on an authentication token, acquired by POSTing the username and password (over...
Trees in Twitter Bootstrap [closed]
... adding this tree component to Bootstrap. Please see the project documentation at http://jhfrench.github.io/bootstrap-tree/docs/example.html.
Alternately, here is the LESS source to generate that CSS (the JS can be picked up from the jsFiddle):
@import "../../../external/bootstrap/less/bootstrap.l...
Blocks and yields in Ruby
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When a method expects a block, it invokes it by calling the yield function.
This is very handy, for instance, to iterate over a list or to provide a custom algorithm.
Take the following example:
I'm going to define a Person class initialized with a name, and provide a do_with_name method th...
Have a fixed position div that needs to scroll if content overflows
... you're trying to do.
.fixed-content {
top: 0;
bottom:0;
position:fixed;
overflow-y:scroll;
overflow-x:hidden;
}
This fork of your fiddle shows my fix:
http://jsfiddle.net/strider820/84AsW/1/
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
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To address this you can either use a data migration or manually (manage.py shell) go in and update non-compliant values
– mgojohn
Oct 26 '14 at 23:13
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ggplot with 2 y axes on each side and different scales
...e that ggplot is in fact educating the average user about proper visualization techniques.
Maybe you can use faceting and scale free to compare the two data series? - e.g. look here: https://github.com/hadley/ggplot2/wiki/Align-two-plots-on-a-page
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CSS Progress Circle [closed]
...set via the data-progress attribute. Changes are animated using CSS transitions.
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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
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(Updated - Thanks to the people who commented)
Modern Versions of PostgreSQL
Suppose you have a table named test1, to which you want to add an auto-incrementing, primary-key id (surrogate) column. The following command should be sufficient in recent versions of PostgreSQL:
ALTE...