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HTTP vs HTTPS performance
Are there any major differences in performance between http and https? I seem to recall reading that HTTPS can be a fifth as fast as HTTP. Is this valid with the current generation webservers/browsers? If so, are there any whitepapers to support it?
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Provide an image for WhatsApp link sharing
...ll link to the current webpage address
<meta property="og:url" content="https://www.example.com/webpage/" />
Step 5: og:description
Maximum 65 characters
<meta property="og:description" content="description of your website/webpage">
Step 6: og:image
Image(JPG or PNG) with a size less...
Find out whether Chrome console is open
...g = function () {
document.title = '1'
}
console.log('%c', r);
demo: https://jsbin.com/cecuzeb/edit?output (Update at 2018-03-16)
package: https://github.com/zswang/jdetects
When printing “Element” Chrome developer tools will get its id
var checkStatus;
var element = document.createE...
What does %5B and %5D in POST requests stand for?
... characters in the url parameter values.
EDIT By the way as I was reading https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/encodeURI#Description, it just occurred to me why so many people make the same search. See the note on the bottom of the page:
Also note that if...
An algorithm for inflating/deflating (offsetting, buffering) polygons
...oundaries with radius on polygons that are drawn on a map (with Leaflet or Google maps). You just convert (lat,lng) pairs to JSTS coordinates and everything else is the same. Example:
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impr...
How to add an Access-Control-Allow-Origin header
...rackspace-cloud-control-panel" --header "X-Auth-User: your-cloud-username" https://auth.api.rackspacecloud.com/v1.0
From the results returned, extract the values for X-Auth-Token and X-Storage-Url
curl -X POST \
-H "Content-Type: font/woff" \
--header "X-Auth-Token: returned-x-auth-token" ret...
jQuery: select all elements of a given class, except for a particular Id
...
Or take the .not() method
https://api.jquery.com/not/
$(".thisClass").not("#thisId").doAction();
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Change default text in input type=“file”?
...ename = this.files[0].name
console.log(filename);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div>
<label for="files" class="btn">Select Image</label>
<input id="files" style="visibility:hidden;" t...
Lightweight Java Object cache API [closed]
...
You can also check out my little cache library called KittyCache at:
https://github.com/treeder/kitty-cache
There are some performance benchmarks vs ehcache.
It's used in the SimpleJPA project as a second level cache.
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How to find out the number of CPUs using python
...count()
except (ImportError, NotImplementedError):
pass
# https://github.com/giampaolo/psutil
try:
import psutil
return psutil.cpu_count() # psutil.NUM_CPUS on old versions
except (ImportError, AttributeError):
pass
# POSIX
try:
res...