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Simplest two-way encryption using PHP
...afeCrypto::decrypt($encrypted, $key);
var_dump($encrypted, $decrypted);
Demo: https://3v4l.org/jl7qR
The above simple crypto library still is not safe to use. We need to authenticate ciphertexts and verify them before we decrypt.
Note: By default, UnsafeCrypto::encrypt() will return a raw bin...
Container View Controller Examples [closed]
...
Ditto. It's not my favorite demo code example, but it does properly implement VC containers as well as memory management -- it's really important that your child view controllers get released when they are no longer visible.
– memm...
jQuery: Select data attributes that aren't empty?
... return ($(this).attr('data-go-to').length > 0);
});
JS Fiddle demo.
References:
filter().
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How do I write output in same place on the console?
...
I like the following:
print 'Downloading File FooFile.txt [%d%%]\r'%i,
Demo:
import time
for i in range(100):
time.sleep(0.1)
print 'Downloading File FooFile.txt [%d%%]\r'%i,
Python 3
print('Downloading File FooFile.txt [%d%%]\r'%i, end="")
Demo:
import time
for i in range(100):...
How to use GROUP_CONCAT in a CONCAT in MySQL
... `Name`
) tbl
group by id;
You can see it implemented here : Sql Fiddle Demo. Exactly what you need.
Update
Splitting in two steps. First we get a table having all values(comma separated) against a unique[Name,id]. Then from obtained table we get all names and values as a single value against ea...
Leaflet - How to find existing markers, and delete markers?
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Here is the code and demo for Adding the marker, deleting any of the marker and also getting all the present/added markers :
Here is the entire JSFiddle code . Also here is the full page demo.
Adding the marker :
// Script for adding marker on...
SOAP server and client application VCL+indy demo for Delphi XE?
Delphi used to include a demos folder for web Services, but no longer seems to include this.
1 Answer
...
Vertically align text next to an image?
... alignments for all the content:
Method 1:
div { align-items:center; }
DEMO
Method 2:
div * { margin-top:auto; margin-bottom:auto; }
DEMO
Try different width and height values on the img and different font size values on the span and you'll see they always remain in the middle of th...
Send message to specific client with socket.io and node.js
...we need to increment seq number of same user each second? is that just for demo?
– Umair Ayub
Sep 11 '18 at 10:59
1
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How to check file MIME type with javascript before upload?
...t-side checking is still possible. I'll show you how and provide a working demo at the bottom.
Check that your browser supports both File and Blob. All major ones should.
if (window.FileReader && window.Blob) {
// All the File APIs are supported.
} else {
// File and Blob are not...