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How to draw polygons on an HTML5 canvas?
...
from http://www.scienceprimer.com/drawing-regular-polygons-javascript-canvas:
The following code will draw a hexagon. Change the number of sides to create different regular polygons.
var ctx = document.getElementById('hexagon').get...
Bootstrap 3 Navbar Collapse
...ggle {
display: block;
}
.navbar-collapse {
border-top: 1px solid transparent;
box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
}
.navbar-collapse.collapse {
display: none!important;
}
.navbar-nav {
float: none!important;
margin...
How can building a heap be O(n) time complexity?
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I think there are several questions buried in this topic:
How do you implement buildHeap so it runs in O(n) time?
How do you show that buildHeap runs in O(n) time when implemented correctly?
Why doesn't that same logic work to make heap sort run in O(n) time rather than O(n ...
When to use SELECT … FOR UPDATE?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Why is “Set as Startup” option stored in the suo file and not the sln file?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to play with Control.Monad.Writer in haskell?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Why does Java allow us to compile a class with a name different than the file name?
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The rationale is to allow more than one top-level class per .java file.
Many classes—such as event listeners—are of local use only and the earliest versions of Java did not support nested classes. Without this relaxation of the "filename = class name" rule, ea...
HTTP Basic Authentication - what's the expected web browser experience?
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WWW-Authenticate header
You may also get this if the server is sending a 401 response code but not setting the WWW-Authenticate header correctly - I should know, I've just fixed that in out own code because VB apps weren't p...
A CORS POST request works from plain JavaScript, but why not with jQuery?
...w-Credentials, * seems to work
header('Access-Control-Allow-Origin: http://www.example.com');
//if you need cookies or login etc
header('Access-Control-Allow-Credentials: true');
if ($this->getRequestMethod() == 'OPTIONS')
{
header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS'...
Center content in responsive bootstrap navbar
...ar .navbar-nav {
display: inline-block;
float: none;
vertical-align: top;
}
.navbar .navbar-collapse {
text-align: center;
}
http://jsfiddle.net/bdd9U/2/
Edit: if you only want this effect to happen when the nav isn't collapsed surround it in the appropriate media query.
@media (min-wid...