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iPhone UIView Animation Best Practice
... only four possible transition types (flip left, flip right, curl up, curl down). If you wanted to do a fade in, you'd have to either dig down to CATransition's fade transition, or set up an explicit animation of your UIView's alpha.
Note that CATransition on Mac OS X will let you specify an arbitr...
How to determine if binary tree is balanced?
...hat it doesn't ever take a million. Getting from a worst case of a million down to a worst case of forty is usually good enough; you don't have to go all the way to the optimal case.
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Can you do this HTML layout without using tables?
...r data just because it's easier at first pale, in which case you're headed down a dark and dangerous path.
– One Crayon
Feb 7 '09 at 2:59
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How to deploy an ASP.NET Application with zero downtime
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This method tends to fall down when the code roll has structural changes to the database. Once you upgrade the DB for Server 1, server 2 will explode. Now you can backup/restore the database for testing on server 1, but then you have the issue of so...
What is the proper way to comment functions in Python?
...he mechanics of commenting in Python, but I don't think my answer warrants down-voting
– Dancrumb
Mar 1 '10 at 16:56
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Trigger change event using jquery
...nd('select').trigger('change');
It would change the select html tag drop-down item with id="edit_user_details".
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400 vs 422 response to POST of data
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Case study: GitHub API
https://developer.github.com/v3/#client-errors
Maybe copying from well known APIs is a wise idea:
There are three possible types of client errors on API calls that receive request bodies:
Sending invalid JSON will r...
Most efficient way to convert an HTMLCollection to an Array
...nt, here is a jsfiddle that compares the performance of different methods. https://jsfiddle.net/qw9qf48j/
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Creating range in JavaScript - strange syntax
...ines (or you can just trust me on this one, but don't), it basically boils down to this:
function Array(len) {
var ret = [];
ret.length = len;
return ret;
}
(operates under the assumption (which is checked in the actual spec) that len is a valid uint32, and not just any number of valu...
Numpy: Get random set of rows from 2D array
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Another option is to create a random mask if you just want to down-sample your data by a certain factor. Say I want to down-sample to 25% of my original data set, which is currently held in the array data_arr:
# generate random boolean mask the length of data
# use p 0.75 for False and...