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What should I use Android AccountManager for?
...er and store the accounts data elsewhere (maybe in the shared preferences) http://developer.android.com/guide/topics/data/data-storage.html
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Which keycode for escape key with jQuery
...sn't seem to be handled consistently between browsers (try out the demo at http://api.jquery.com/keypress in IE vs Chrome vs Firefox. Sometimes keypress doesn't register, and the values for both 'which' and 'keyCode' vary) whereas keyup is consistent.
Since there was some discussion of e.which vs e...
Pretty-Printing JSON with PHP
... offers the JSON_PRETTY_PRINT option for use with the json_encode() call.
http://php.net/manual/en/function.json-encode.php
<?php
...
$json_string = json_encode($data, JSON_PRETTY_PRINT);
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How to get the original value of an attribute in Rails
...previous value.
For rails 5.1+
Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
W...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...ion why not use django core's Paginator and Page objects documented here:
https://docs.djangoproject.com/en/dev/topics/pagination/
Something like this:
from django.core.paginator import Paginator
from djangoapp.models import model
paginator = Paginator(model.objects.all(), 1000) # chunks of 1000...
Does the JVM prevent tail call optimizations?
...e), John Rose from Sun has some more to say about tail call optimization.
http://blogs.oracle.com/jrose/entry/tail_calls_in_the_vm
I have heard that it might be implemented on the JVM someday. Tail call support amongst other things are being looked at on the Da Vinci Machine.
http://openjdk.java....
Capitalize or change case of an NSString in Objective-C
....text = [[displayDate objectAtIndex:2] uppercaseString];
Documentation: http://developer.apple.com/library/ios/documentation/Cocoa/Reference/Foundation/Classes/NSString_Class/Reference/NSString.html#//apple_ref/occ/instm/NSString/uppercaseString
You can also use lowercaseString and capitalizedSt...
Can I prevent text in a div block from overflowing?
...
https://developer.mozilla.org/en-US/docs/Web/CSS/word-wrap
– Dangerous
Oct 10 '14 at 15:37
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How to make an ImageView with rounded corners?
...u can do the following code to manually round the corners of your images.
http://www.ruibm.com/?p=184
This isn't my code, but I've used it and it's works wonderfully. I used it as a helper within an ImageHelper class and extended it just a bit to pass in the amount of feathering I need for a given...
Official way to ask jQuery wait for all images to load before executing something
...kov (hristo.yankov at gmail dot com)
* @version: 1.0.0 (Feb/22/2010)
* http://yankov.us
*/
(function($) {
$.fn.batchImageLoad = function(options) {
var images = $(this);
var originalTotalImagesCount = images.size();
var totalImagesCount = originalTotalImagesCount;
var elementsL...