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How do I install the OpenSSL libraries on Ubuntu?
... : Downloading OpenSSL:
Run the command as below :
$ wget http://www.openssl.org/source/openssl-1.0.1g.tar.gz
Also, download the MD5 hash to verify the integrity of the downloaded file for just varifacation purpose. In the same folder where you have downloaded the OpenSSL file from th...
Travel/Hotel API's? [closed]
...ws, photos, nearby restaurants and a couple other useful things.
http://www.tripadvisor.com/help/what_type_of_tripadvisor_content_is_available
From the API page (available API content) :
* Hotel, attraction and restaurant ratings and reviews
* Top 10 lists of hotels, attractions and restauran...
Copy entire contents of a directory to another using php
...
The best solution is!
<?php
$src = "/home/www/domain-name.com/source/folders/123456";
$dest = "/home/www/domain-name.com/test/123456";
shell_exec("cp -r $src $dest");
echo "<H3>Copy Paste completed!</H3>"; //output when done
?>
...
How do I link a JavaScript file to a HTML file?
...er the jquery loading script
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<!--LINK JQUERY-->
<script type="text/javascript" src="jquery-3.3.1.js"></script>
<!--PERSONAL SCRIPT JavaScript-->
<script type="text/javascript">
$(f...
How do I use HTML as the view engine in Express?
...use ejs view engine while keeping your view files as .html
source: http://www.makebetterthings.com/node-js/how-to-use-html-with-express-node-js/
You need to install this two packages:
`npm install ejs --save`
`npm install path --save`
And then import needed packages:
`var path = require('path'...
How can I check if a background image is loaded?
...g with it's event listener:
Short version:
const imageUrl = "https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png";
let bgElement = document.querySelector("body");
let preloaderImg = document.createElement("img");
preloaderImg.src = imageUrl;
preloaderImg.ad...
How can I extract embedded fonts from a PDF as valid font files?
...
Use online service http://www.extractpdf.com. No need to install anything.
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Asynchronous shell exec in PHP
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if the user you run apache (usually www-data) doesn't have the permissions to use at and you can't configure it to, you can try to use <?php exec('sudo sh -c "echo \"command\" | at now" '); If command contains quotes, see escapeshellarg to save you headaches...
What does the “+” (plus sign) CSS selector mean?
...n more
http://css-tricks.com/almanac/selectors/a/adjacent-sibling/
http://www.w3.org/TR/CSS2/selector.html#adjacent-selectors
https://developer.mozilla.org/en-US/docs/Web/CSS/Adjacent_sibling_selectors
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What is the size of an enum in C?
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Taken from the current C Standard (C99): http://www.open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf
6.7.2.2 Enumeration specifiers
[...]
Constraints
The expression that defines the value of an enumeration constant shall be an integer
constant expression that has...