How To Setup Autorun a Python Script Using Systemd

How to autorun a Python script using systemd. How to create own systemd service using Python script. How to configure Python script to start...

Check num day of month

PHP function function getMonthDayNum($month, $year) { $month = (int)$month; $year = (int)$year; $days = 30; switch ($month) { case 1...

Configure Nginx and PHP-FPM to use sockets

The following guide describes how to configire Nginx and PHP-FPM to use Sockets on Centos 6. This guide assumes you have already installed a...

Simple ajax post data without jQuery

var serialize = function(obj, prefix) { var str = [], p; for(p in obj) { if (obj.hasOwnProperty(p)) { var k = prefix ? prefix...

Query-string encoding of a Javascript Object

Do you know a fast and simple way to encode a Javascript Object into a string that I can pass via a GET Request? No jQuery, no other framew...

Draw on HTML5 Canvas using a mouse

Here's the most straightforward way to create a drawing application with canvas: Attach a mousedown, mousemove, and mouseup event list...

PHP ZIP all files in directory and download .zip generated

Well, first of all, this is my folder structure: images/ image1.png image11.png image111.png image223.png generate_zip.php And this i...

PHP. Get the Last Modified Time of a Directory

The following PHP function returns the time, when a directory has last been modified. The function checks the each of the files in the direc...

How to create your own CDN server using Nginx

Nginx is an event driven web server, that is why it is a perfect choice to create your own CDN server. In order to build your own cdn server...

Recovering an InnoDB table from only an .ibd file.

Sometime you may need to recover a table when all you have is the .ibd file. In this case, if you try to load it into a new instance, your ...

Android Loading SQLite Data Into TableLayout

In the previous few tutorials we have seen an example relating to TableLayout they are Basic Android Table Layout and Buidling Dynamic Table...

Using Sqlite3 in Bash

After my previous post about working with sqlite3 on #perl, here’s an other quick script to explore how to use this simple DB in #bash. #!/...

Convert C++ String to Lower Case (or Upper Case)

I don’t usually need to convert string case in C++ so when the need comes up I’ve usually forgotten how to do it and have to Google. While t...

C# create application running single

[DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] static extern bool SetForegroundWindow(IntPtr hW...

Simple Image Lazy Load and Fade

One of the quickest and easiest website performance optimizations is decreasing image loading. That means a variety of things, including mi...

Loading image fadeIn with CSS + Javascript

Example I've deliberately made the image quite a large filesize so you'll have a chance to see the 'loading…' message b...

Add UTM parameters with jQuery

On a recent project we needed to add UTM query parameters (for Google Analytics tracking) to all outbound links to a specific domain. I did...

How to Flush Memory Cache on Linux Server

Many times systems faced low memory issues of Linux systems running a while. The reason is that Linux uses so much memory for disk cache is ...

JSON encode utf8 in PHP

Using json_encode and JSON_UNESCAPED_UNICODE constants json_encode($response,JSON_UNESCAPED_UNICODE) Using json_encode, iconv and preg_mat...

Create a simple web spider in node.js

I’ve seen many web crawlers written in other languages like PHP, Python, Ruby, etc. However, there’s no one that notices node.js is also goo...