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CSS: Change image src on img:hover
...
.img-wrapper {
display: inline-block;
background-image: url(https://www.w3schools.com/w3images/fjords.jpg);
}
.img-wrapper > img {
vertical-align: top;
}
.img-wrapper > img:hover {
opacity: 0;
}
<div class="img-wrapper">
<img src="https://www.w3schools.com/w3...
Google Authenticator available as a public service?
...s for PHP (The LAMP Stack)
PHP
https://code.google.com/p/ga4php/
http://www.idontplaydarts.com/2011/07/google-totp-two-factor-authentication-for-php/
You should be careful when implementing two-factor auth, you need to ensure your clocks on the server and client are synchronized, that there is p...
Where to find the win32api module for Python? [closed]
...it hasn't let me down yet.
UC Irvine Python Extension Repository - http://www.lfd.uci.edu/~gohlke/pythonlibs
pywin32 module - http://www.lfd.uci.edu/~gohlke/pythonlibs/#pywin32
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Git asks for username every time I push
...
Edit (by @dk14 as suggested by moderators and comments)
WARNING: If you use credential.helper store from the answer, your password is going to be stored completely unencrypted ("as is") at ~/.git-credentials. Please consult the comments section below or the answers from...
What's a good way to extend Error in JavaScript?
...t.
Test cases I used can be found here: JavaScript self-made Error object comparison.
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Const in JavaScript: when to use it and is it necessary?
I've recently come across the const keyword in JavaScript. From what I can tell, it is used to create immutable variables , and I've tested to ensure that it cannot be redefined (in Node.js):
...
S3 Error: The difference between the request time and the current time is too large
... then restart ntp service:
sudo service ntp restart
Source: https://www.allcloud.io/how-to/how-to-fix-amazon-s3-requesttimetooskewed/
And a more general article on keeping your time synchronized with NTP:
https://www.digitalocean.com/community/tutorials/how-to-set-up-time-synchronization-on-...
How do you round to 1 decimal place in Javascript?
...
If you use Math.round(5.01) you will get 5 instead of 5.0.
If you use toFixed you run into rounding issues.
If you want the best of both worlds combine the two:
(Math.round(5.01 * 10) / 10).toFixed(1)
You might want to create a function for thi...
Twitter Bootstrap: div in container with 100% height
...ml, body {
height: 100%;
}
.min-100 {
min-height: 100%;
}
https://www.codeply.com/go/dTaVyMah1U
Option 2_ Use vh units:
.vh-100 {
min-height: 100vh;
}
https://www.codeply.com/go/kMahVdZyGj
Then, use flexbox direction column d-flex flex-column on the container, and flex-grow-1 on an...
How to parse/read a YAML file into a Python object? [duplicate]
...
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