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Generating random numbers in Objective-C
... NB: the distribution from arc4random can be very poor, if you happen to choose a poor range. I hadn't realised the powers-of-two expectation. +1 for use @yood's version - made a noticeable difference for larger numbers (e.g. range of 400)
– Adam
Feb...
Android: How to enable/disable option menu item on button click?
..., disable, or
enable menu items depending on the
current state of your application.
E.g.
@Override
public boolean onPrepareOptionsMenu (Menu menu) {
if (isFinalized) {
menu.getItem(1).setEnabled(false);
// You can also use something like:
// menu.findItem(R.id.exa...
:active pseudo-class doesn't work in mobile safari
...
<body ontouchstart="">
...
</body>
Applied just once, as opposed to every button element seemed to fix all buttons on the page. Alternatively you could use this small JS library called 'Fastclick'. It speed up click events on touch devices and takes care of th...
How do I send a POST request as a JSON?
...est('http://example.com/api/posts/create')
req.add_header('Content-Type', 'application/json')
response = urllib2.urlopen(req, json.dumps(data))
Python 3.x
https://stackoverflow.com/a/26876308/496445
If you don't specify the header, it will be the default application/x-www-form-urlencoded type...
Limit Decimal Places in Android EditText
I'm trying to write an app that helps you manage your finances. I'm using an EditText Field where the user can specify an amount of money.
...
Crontab - Run in directory
...om a particular directory so it can find all the files it needs, since the application has a bunch of relative paths.
1 Ans...
Insert text into textarea with jQuery
...hat you have in Jason's comments try:
$('a').click(function() //this will apply to all anchor tags
{
$('#area').val('foobar'); //this puts the textarea for the id labeled 'area'
})
Edit- To append to text look at below
$('a').click(function() //this will apply to all anchor tags
{
$('#ar...
Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
...b
libhistory.a libreadline.6.dylib
However, if you have different apps using the different version of readline, I think you should consider upgrading.
Update: 06/02/2019
What if the old version is not installed?
Homebrew doesn't provide a way to install old version formula. And since v...
How can I get the browser's scrollbar sizes?
... outer.style.height = "150px";
outer.style.overflow = "hidden";
outer.appendChild (inner);
document.body.appendChild (outer);
var w1 = inner.offsetWidth;
outer.style.overflow = 'scroll';
var w2 = inner.offsetWidth;
if (w1 == w2) w2 = outer.clientWidth;
document.body.removeChild (o...
HTML5 Video Dimensions
...ties aren't set until after the "loadedmetadata" event has fired.
If you happen to query for those properties far enough after the VIDEO element is rendered it may sometimes work, but in most cases this will return values of 0 for both properties.
To guarantee that you're getting the correct prope...