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Convert hex string to int in Python
...st.literal_eval (this is safe, unlike eval):
ast.literal_eval("0xffff")
Demo:
>>> import ast
>>> ast.literal_eval("0xffff")
65535
>>>
Alphabet range in Python
...ge(ord(start.lower()), ord(stop.lower()), step):
yield chr(ord_)
Demo
list(letter_range("a", "f"))
# ['a', 'b', 'c', 'd', 'e']
list(letter_range("a", "f", step=2))
# ['a', 'c', 'e']
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...
How do you display JavaScript datetime in 12 hour AM/PM format?
...t;button onclick="fullDateTime()">Try it2</button>
<p id="demo"></p>
<p id="demo2"></p>
<script>
function myFunction() {
var d = new Date();
var n = d.toLocaleString([], { hour: '2-digit', minute: '2-digit' });
...
Log all requests from the python-requests module
...r more details on how to configure logging levels and destinations.
Short demo:
>>> import requests
>>> import logging
>>> logging.basicConfig(level=logging.DEBUG)
>>> r = requests.get('http://httpbin.org/get?foo=bar&baz=python')
DEBUG:urllib3.connectionpool...
Using CSS for a fade-in effect on page load
...o-keyframes fadein {
from { opacity: 0; }
to { opacity: 1; }
}
Demo
http://jsfiddle.net/SO_AMK/VV2ek/
Browser Support
All modern browsers and Internet Explorer 10 (and later): http://caniuse.com/#feat=css-animation
Method 2:
Alternatively, you can use jQuery (or plain JavaScri...
How do you stretch an image to fill a while keeping the image's aspect-ratio?
... much better. All you should need to do is to set the image width to 100% (demo)
.container img {
width: 100%;
}
Since you don't know the aspect ratio, you'll have to use some scripting. Here is how I would do it with jQuery (demo):
CSS
.container {
width: 40%;
height: 40%;
bac...
How to update a menu item shown in the ActionBar?
...the menu items for use in the action bar
inflater.inflate(R.menu.menu_demo, menu);
//condition to hide the menus
if (mISQuizItemSelected) {
for (int i = 0; i < menu.size(); i++) {
menu.getItem(i).setVisible(false);
}
}
return super.onCreateOption...
How to implement “select all” check box in HTML?
...
Demo http://jsfiddle.net/H37cb/
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.min.js" /></script>
<script type="text/javascript">
$(document).ready(function(){
$('input[name="al...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...
I made a quick demo of something that you hopefully should be able to base your code on, using the Pointer Lock API.
I forked this pointer-lock-demo repo and modified it to add a random movement element.
Here is the link to my GitHub page...
Why shouldn't I use mysql_* functions in PHP?
...a,$b) {
$this->name = $a;
$this->add = $b;
}
}
$demo = new person('john','29 bla district');
$stmt = $db->prepare("INSERT INTO table (name, add) value (:name, :add)");
$stmt->execute((array)$demo);
Q. So now, what are unnamed placeholders and how do I use them?
A. ...