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Extract subset of key-value pairs from Python dictionary object?
...bigdict.get(k, None) for k in ('l', 'm', 'n')}
If you're using Python 3, and you only want keys in the new dict that actually exist in the original one, you can use the fact to view objects implement some set operations:
{k: bigdict[k] for k in bigdict.keys() & {'l', 'm', 'n'}}
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What's the right OAuth 2.0 flow for a mobile app
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Clarification: Mobile App = Native App
As stated in other comments and a few sources online, implicit seems like a natural fit for mobile apps, however the best solution is not always clear cut (and in fact implicit is not recommended for reasons discussed below).
Native App OAuth2 Best Prac...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...e database than cursors on the DB. One case is where you have a connection and thread pool larger than the number of cursors on the database.
You have many developers or applications connected to the same DB instance (which will probably include many schemas) and together you are using too many conn...
What is the proper REST response code for a valid request but an empty data?
... a browser (although according to the HTTP spec browsers do need to understand it as a 'don't change the view' response code).
204 No Content is however, very useful for ajax web services which may want to indicate success without having to return something. (Especially in cases like DELETE or POSTs...
Traversing text in Insert mode
... Vim, is there any way to traverse the text moving some characters forward and backward other than using the arrow keys?
12...
Why not use tables for layout in HTML? [closed]
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I'm going to go through your arguments one after another and try to show the errors in them.
It's good to separate content from layout
But this is a fallacious argument; Cliché Thinking.
It's not fallacious at all because HTML was designed intentionally. Misuse of an elem...
Algorithm for creating a school timetable
...ble. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teachers associated with each other at the input and that timetable should fit between 8AM and 4P...
How do I link a JavaScript file to a HTML file?
...JavaScript.
type - specify the type of the script
src - script file name and path
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Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...list of events up in another page, the API itself is tremendously helpful, and all of what I'm discussing below is linked directly from this page.
First, .click(function) is literally a shortcut for .bind('click', function), they are equivalent. Use them when binding a handler directly to an eleme...
CSS selector for first element with class
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This is one of the most well-known examples of authors misunderstanding how :first-child works. Introduced in CSS2, the :first-child pseudo-class represents the very first child of its parent. That's it. There's a very common misconception that it picks up whichever child element is the fi...