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56 results for: debug

Strings in JavaScript: What they are and how to use them

In this tutorial we are going to explain what strings are and how they are used in JavaScript. The tutorial is intended for people who are learning to program in JavaScript. You will learn how to create strings, how to display the content of strings, how to concatenate strings and…

Category : Javascript   22-06-2021   by Janeth Kent

Advanced Android tutorial: discover all your phone's secrets

It is highly probable that you are not taking advantage of even half of the potential that your Android device has to offer. These small pocket computers, which we call smartphones, have increasingly advanced and powerful hardware that, together with the possibilities offered by an operating system as flexible as…

Category : Mobile   06-05-2021   by Janeth Kent

Top Javascript Libraries and Frameworks Part 2

What are JavaScript frameworks?   JavaScript frameworks are application frameworks that allow developers to manipulate code to meet their particular needs. Web application development is like building a house. You have the option of creating everything from scratch with construction materials. But it will take a long time and can incur high costs. But…

Category : Javascript   06-05-2021   by Janeth Kent

How to Send Email from an HTML Contact Form

In today’s article we will write about how to make a working form that upon hitting that submit button will be functional and send the email (to you as a web creator and to the user or customer as well). If you’re a PHP developer, there's a high probability that you…

Category : Programming   10-05-2021   by Tibor Kopca

Top JavaScript libraries and frameworks part 1

JavaScript libraries and frameworks make it easy to develop websites and applications with a wide variety of features and functionality, all with dynamic, flexible and engaging features. According to a 2020 StackOverflow survey, JavaScript remains the most widely used programming language (for the eighth year), with 67.7% of respondents using it. Its…

Category : Javascript   06-05-2021   by Janeth Kent

Starting with Bootstrap-Vue step by step

Today we will show you how to use BootstrapVue, describe the installation process and show basic functionality. The project’s based on the world's most popular CSS framework - Bootstrap, for building responsive mobile-first landing page and combines it with Vue.js. Bootstrap-Vue does not yet support Vue 3. So if you want to…

Category : Javascript   13-04-2021   by Tibor Kopca

htaccess Rules to Help Protect from SQL Injections and XSS

This list of rules by no means is a sure bet to secure your web services, but it will help in preventing script-kiddings from doing some basic browsing around. MySQL injection attempts are one of the most common hacking attacks against PHP websites. If your website is hosted on a dedicated…

Category : Security   01-03-2021   by Janeth Kent

Cumulative Layout Shift, what is and How to optimize CLS

Cumulative Layout Shift, one of the new Core Web Vitals metrics,  is the first metric that focuses on user experience beyond performance. Unexpected movement of web page content is a major source of irritation for users on the web. The new cumulative design change metric helps developers understand the impact of…

Category : Seo & sem   14-01-2021   by Luigi Nori

Install MacOS on PC - the Ultimate Guide (Hackintosh)

There has always been a belief that the Apple MacOS Operating System could only be installed on computers sold directly by Apple. But on the Internet there is a large community dedicated to Hackintosh. And in this guide we are going to show you today all you need to know…

Category : Operating systems   10-12-2020   by

Data structures in Java - Linked Lists

With 2020 we are going to look at a new aspect of programming: data structures. It is often the case that everyone uses structures provided by the various programming languages. The objective will be to have a general idea of how they work and their internal mechanisms. Often we will…

Category : Java   22-10-2020   by Alessio Mungelli

Introduction to REGEX - Regular Expression

Today we are going to write about Regular Expressions known as regex or shortened  regexp, a very useful concept of using search patterns. Surely you were in a situation when you need to replace some word for another or character for some else. This and more you can handle with Regular…

Category : Programming   23-10-2020   by Tibor Kopca

MySQL 8.0 is now fully supported in PHP 7.4

MySQL and PHP is a love story that started long time ago. However the love story with MySQL 8.0 was a bit slower to start… but don’t worry it rules now ! The support of MySQL 8.0’s new default authentication method in PHP took some time and was added in PHP…

Category : Databases   27-10-2020   by Janeth Kent

How to Install Node.js and NPM on Ubuntu 18.04

Node.js is a JavaScript platform for general programming that allows users to create network applications quickly. By leveraging JavaScript in both frontend and backend, Node.js makes development more uniform and integrated. Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. runtime for easily building fast, scalable network applications. In this…

Category : Development   24-04-2020   by Luigi Nori

Java: introduction to Design Patterns and Singleton Pattern

Anyone with even a minimum experience of programming, should have realized that the majority of the problems have common elements. In fact we often find problems with the same pattern but in different contexts.  For example, a management software for s supermarket and the one for a great industry will operate…

Category : Java   27-10-2019   by Alessio Mungelli

Angular vs React vs Vue: Which is the Best Choice?

With the growing popularity of Vue, Angular and React as frameworks and libraries for the web and app development, a constant doubt is which of these 3 we should learn, in which we should invest our time, which has a greater future or simply which is the best. First I want…

Category : Javascript   11-06-2020   by Silvia Mazzetta

4 Tips For Logging in Java

Did you realize there are over 9 million Java programmers in the world? When using this programming language, developers are able to build apps that are both appealing and functional. Learning how to unlock the power of Java will take a lot of time and effort in java test. One of the…

Category : Java   14-01-2020   by Janeth Kent

10 Javascript tips and tricks you should know

Javascript is the most widely used language in fullstack development thanks to the boom in recent years in libraries and frameworks such as NodeJs (backend) and React/Angular/Vue (frontend). However, regardless of which one you use to develop, there are a number of tricks and tips common to all of them…

Category : Javascript   08-08-2019   by Janeth Kent

10 Collaborative Coding Tools for Remote Pair Programming

The days of lonesome coding are long gone since the development of pair programming. It is a technique where two software developers share a keyboard and collaboratively work together. The two developers take turns and continually switch roles in writing code: one being the Driver, whose job is to write…

Category : Development   02-03-2020   by Janeth Kent

Top free JavaScript User Authentication Libraries

We are keen on security: authentication is an important issue when creating a dynamic web application Authentication is for identifying users and provide different access rights and content depending on their id. Since new tutorials appear on the web and more people try to understand the cost-benefit equation for implementing their…

Category : Javascript   29-01-2020   by Janeth Kent

Best Javascript front-end hacking cheatsheets

Best Javascript front-end hacking cheatsheets

JavaScript has a extremely high potential to build cutting-edge web applications. But it's really hard to memorize it by heart. The JavaScript cheat sheets therefore act perfectly as a reminder and a comprehensive reference for developers. All popular and special purpose cheat sheets have been discussed above. You now have…

Category : Javascript   06-05-2020   by Janeth Kent

Superior React-Native Courses for Mobile Application Developers

If you are a web developer who wants to cross the massive world of mobile app development, but does not want to spend time learning Java or Kotlin for Android development, or Objective C or Swift for iOS development, then React Native could be a great tool for you. The React…

Category : Programming   24-11-2019   by Janeth Kent

Working with JSON in JavaScript

JSON is short for JavaScript Object Notation and an easy - to - access way to store information. In short, it gives us a collection of human - readable data that we can access in a very logical way. In addition to RSS feeds, any sites now share data using JSON,…

Category : Javascript   08-04-2020   by Janeth Kent

Best Node Js Resources, Courses and Tutorials.

NodeJS is a platform that enables developers to write high-performance and networked applications server side. And using good old Javascript as well. Why should you study NodeJS? To begin with, it never hurts to learn something new. But most importantly, it's great to learn NodeJS. With a focus on modern JavaScript and real-world application,…

Category : Javascript   10-05-2020   by Janeth Kent

Node.js Course in 90 Minutes

Node.js Course in 90 Minutes

Node.js can be defined as a Google Chrome JavaScript V8 engine based on a dynamic, cross-platform and open-source JavaScript framework or runtime environment. Node.js was initially implemented as a client-side scripting language, developed by Ryan Dahl in 2009. JavaScript code and scripts running on the server side are now used…

Category : Javascript   08-02-2019   by Janeth Kent

JavaScript Basis: Syntax & Structure

JavaScript Basis: Syntax & Structure

Programming languages are defined by rules. The syntax is what we follow when we write our code, which forms the logical structure of our programs. Let's dive right into the basic components of JavaScript. We will look at values, unicode, semi-colon, indentation, white spacing, commentary, case sensitivity, keywords..ect. By taking the time…

Category : Javascript   07-02-2019   by Janeth Kent

80 Linux Network Monitor Software & Tools for Managing & Monitoring Unix/Linux Systems

80 Linux Network Monitor Software & Tools for Managing & Monitoring Unix/Linux Systems

It’s hard work monitoring and debugging Linux performance problems, but it’s easier with the right tools at the right time. Finding a Linux Network Monitor tool or Software package for your Critical servers and services that are running on those systems in one of the most (if not the most)…

Category : Security   23-10-2018   by Janeth Kent

How to Become a Full Stack Developer in 2018

How to Become a Full Stack Developer in 2018

A full stack developer is someone who can work on the development of all layers of an app or program. That means that they are familiar with both the front end and back end aspects of programming. For example, full stack development would involve the development of the user interface, the…

Category : Programming   22-03-2018   by Janeth Kent

How to Configure the Mod_Security Core Ruleset in Ubuntu

How to Configure the Mod_Security Core Ruleset in Ubuntu

ModSecurity is a Web Application Firewall, a program that can be used to inspect information as it passes through your web server, intercepting malicious requests before they are processed by your web application. This tutorial will show you how to install ModSecurity on Apache, and configure it with some sensible rules provided…

Category : Servers   04-03-2017   by Janeth Kent

Ubuntu servers security: 25 security tools to armor your system

Ubuntu servers security: 25 security tools to armor your system

The Ubuntu repositories contain several useful tools for maintaining a secure network and network administration.This security tools include network scanning,attack detection,Virus Detection etc.   1) Wireshark -- network traffic analyzer Wireshark is a network traffic analyzer, or "sniffer", for Unix and Unix-like operating systems. It is used for network troubleshooting, analysis, software and…

Category : Servers   14-09-2016   by Janeth Kent

PHP Libraries For Summer 2016

PHP Libraries For Summer 2016

Here are our picks for the 12 most useful and interesting open-source PHP libraries that you should check out this summer!   Monolog With Monolog you can create advanced logging systems by sending your PHP logs to files, sockets, databases, inboxes or other web services. The library has over 50 handlers for various…

Category : Php   11-08-2016   by Janeth Kent

PHP7: Guide and References to all the changes between version 5.x and 7 of PHP

PHP7: Guide and References to all the changes between version 5.x and 7 of PHP

PHP 7 was released on December 3rd, 2015. It comes with a number of new features, changes, and backwards compatibility breakages that are outlined below. Performance Features Combined Comparison Operator Null Coalesce Operator Scalar Type Declarations Return Type Declarations Anonymous Classes Unicode Codepoint Escape Syntax Closure call() Method Filtered unserialize() IntlChar Class Expectations Group use Declarations Generator Return Expressions Generator Delegation Integer Division with intdiv() session_start() Options preg_replace_callback_array() Function CSPRNG Functions Support…

Category : Php   27-12-2015   by Janeth Kent

Easy debug of Php with ChromePhp and ChromeLogger

Easy debug of Php with ChromePhp and ChromeLogger

ChromePhp is a Module to log useful details directly in your Chrome JS console. You can inspect most as objects and see infos or values. It is a great way to debug PHP code on the fly, in Google Chrome. It's very easy to integrate to any project and log any…

Category : Php   29-10-2015   by Luigi Nori

Mozilla introduces Firefox 29

Mozilla introduces Firefox 29

Firefox 29 was released on April 29, 2014. The new version looks significantly more like Chrome than the old Firefox. It features the same three-bar menu on the right and rounded tabs, for example. At the same time, though, it keeps the separate search form — something most other browsers have…

Category : Software   29-04-2014   by Janeth Kent

PHP: list of best awesome PHP libraries

PHP: list of best awesome PHP libraries

It is an exciting time to be a PHP developer. There are lots of useful libraries released every day, and with the help of Composer and Github, they are easy to discover and use. Here is a complete list of the coolest that We’ve come across. Package Management Libraries for package and…

Category : Php   27-04-2014   by Janeth Kent

Free PHP, HTML, CSS, JavaScript editor (IDE) - Codelobster PHP Edition

Free PHP, HTML, CSS, JavaScript editor (IDE) - Codelobster PHP Edition

For valuable work on creation of sites you need a good comfortable editor necessarily. There are many requiring paid products for this purpose, but we would like to select free of charge very functional and at the same time of simple in the use editor - Codelobster PHP Edition .…

Category : Software   16-01-2014   by Janeth Kent

25 HTML5 speed tips

25 HTML5 speed tips

Creating high-performance web sites or applications is essential for web developers. Jatinder Mann explains that the goal of a developer is to improve web performance by reducing 25 factors: Display time The most important objective is what we refer to as 'Display Time'. This has many names across the industry including 'time to…

Category : Web design   05-12-2013   by Janeth Kent

Php: 12 Debugging Tools For Developers

Php: 12 Debugging Tools For Developers

PHP is faster and most used scripting language in practice; contains many features such as detailed documentation, a huge community, myriad of ready-to-use scripts and well-supported frameworks. Its quite easy to get started with PHP than with other scripting languages such as Python, or Ruby because of the features PHP…

Category : Software   05-11-2013   by Janeth Kent

Tutorial: Introduction to PHP:PDO

Tutorial: Introduction to PHP:PDO

Many PHP programmers learned how to access databases by using either the MySQL or MySQLi extensions. As of PHP 5.1, there’s a better way. PHP Data Objects (PDO) provide methods for prepared statements and working with objects that will make you far more productive!   PDO Introduction “PDO – PHP Data Objects…

Category : Databases   15-10-2013   by Janeth Kent

Build a realtime jQuery plugin

Build a realtime jQuery plugin

Realtime web technologies make it really easy to add live content to previously static web pages. Live content can bring a page alive, retain users and remove the need for them to refresh the page periodically. Realtime updates are generally achieved by connecting to a source of data, subscribing to the…

Category : Javascript   27-08-2013   by Janeth Kent

PHP: Sort array alphabetically using a string/value in subarray

PHP: Sort array alphabetically using a string/value in subarray

If we have an array and inside each value of this array we have another array with age and name for example, and we want to sort the first array by the name of each value in the child arrays we do is using usort  and strcmp functions from php. Here…

Category : Php   23-08-2013   by Janeth Kent

The Bible of Responsive Web Design

You've decided it's time for a new website, and you know that making it responsive will ensure that all users have a great experience, regardless of what device they are using. Responsive web design, or RWD for short, is here to stay. It's rapidly maturing but not without some serious pitfalls for…

Category : Web design   23-05-2019   by Janeth Kent

The best code editor for web developers

The best code editor for web developers

Every web developer requires the right tools to do their job, therefore the choice of a source code editor shouldn’t come lightly. This is where we spend most of our development time and where productivity is gained or lost on a grand scale. But which is the best Code Editor? To determine the best source code editor, we…

Category : Software   25-07-2013   by Janeth Kent

318 useful twitter bootstrap resources #4

318 useful twitter bootstrap resources #4

Wordpress WORDPRESS BOOTSTRAP THEMES Listing of free, base and premium themes for Wordpress based on Bootstrap. WP-BOOTSTRAP-GALLERY A custom Wordpress gallery for dynamic thumbnail layout using Twitter Bootstrap 2.2.2 thumbnails and the WordPress built in gallery manager. WP-BOOTSTRAP-NAVWALKER A custom Wordpress nav walker class to implement the Twitter Bootstrap 2.2 navigation style in…

Category : Web design   09-07-2013   by Janeth Kent

14 Tools For Checking Your Website's Health

14 Tools For Checking Your Website's Health

Have you ever checked your website's health? We have listed some useful sources that show if your website is operating as it should, and if there's anything that it can be done to improve it's performance from the structural and marketing aspect. Enjoy and feel free to recommend any other sources…

Category : Web design   28-06-2013   by Janeth Kent

20 Open Source Scripts Applications for Web Developers

20 Open Source Scripts Applications for Web Developers

Open source applications and tools can be handy for web designers and developers on a budget. Nowadays most of the tools and applications are increasingly either employing open source or are built entirely on it. And all of this adds up to an increasing premium on web development skills and…

Category : Programming   11-08-2016   by Janeth Kent

Google Hacking Secrets: The Hidden Codes Of Google

No need for an introduction, Google is quite possibly the more powerful search engine used today, even used sometimes to check our connectivity; except that the power of the single search bar on the top of Google has become a source of concern for many, and if not they should…

Category : Security   08-04-2021   by Janeth Kent

A collection of must-have front-end developer tools

A collection of must-have front-end developer tools

PREPROCESSORS For years, the front-end community debated over whether CSS preprocessing was necessary. The language is a simple one; why are we complicating it? Thankfully, over time, and as the web stack matured, the majority of front-end developers came to terms with the fact that, until the language itself matures a…

Category : Programming   20-05-2013   by Janeth Kent

Weekly Design and Development News

Weekly Design and Development News

This is our weekly article were we share our favorite design or development related articles, resources and cool tidbits of the week. Enjoy :) ! If you would like to receive our daily updates and keep up to date with the latest and greatest articles and resources from tahe design community, you…

Category : Web design   26-05-2013   by Janeth Kent

Mozilla launches Firefox OS Simulator 3.0

Mozilla launches Firefox OS Simulator 3.0

Mozilla on Thursday announced the release of Firefox OS Simulator 3.0, polishing all the features in the preview release as well as making a few more improvements. You can download version 3.0 now for Windows, Mac, and Linux from Mozilla Add-Ons. The simulator installs as an extension in Firefox, so you’ll need Mozilla’s browser to use…

Category : Programming   03-05-2013   by Janeth Kent

Modular CSS with Media Queries and Sass

Most developers nowadays are recognizing that if you’re developing large applications that have different views and states, it is best to take a modular or object-oriented approach to your CSS development. When you throw media queries into the mix, however, the you can lose some of the benefits of modularity…

Category : Web design   23-08-2019   by Janeth Kent

Free Tools For JavaScript Developers

Free Tools For JavaScript Developers

We have compiled a list of really useful Free Tools For JavaScript that will help you. Testing JSLint – The JavaScript Verifier JSLint takes a JavaScript source and scans it. If it finds a problem, it returns a message describing the problem and an approximate location within the source. The problem is not…

Category : Javascript   16-04-2013   by Janeth Kent

Install Webmin on Ubuntu

Webmin is a web-based control panel for any Linux machine that allows you to manage your server through a modern web-based interface. With Webmin, you can change settings for common packages on the fly, including web servers and databases, as well as manage users, groups and software packages. Through this tutorial,…

Category : Networking   18-06-2020   by Janeth Kent

The Best tools that may come in handy in your online life

The Best tools that may come in handy in your online life

In time, I’ve came across many tools which I found very good or at least interesting because they were covering things that the popular tools didn’t.  Some of the tools are for Web Analytics, some are for Social Media Monitoring, some are for website improvements and some are just for…

Category : Software   01-05-2020   by Janeth Kent

PHP:EZSql class, manage your database connection easily

PHP:EZSql class, manage your database connection easily

EZSql is a php class to make it very easy to deal with database connections, there’s already an ezsql documentation: Extensive ezsql documentation Requirements Wampserver ezsql library Installation First you need to download wampserver and ezsql library. I’ve already included the links in the requirements section. Next, setup your test folder. Then create your database configuration file…

Category : Php   11-04-2013   by Janeth Kent

Distributed Storage Across Multiple Servers (Nodes) With GlusterFS 3.2.x On Ubuntu 12.10

Distributed Storage Across Multiple Servers (Nodes) With GlusterFS 3.2.x On Ubuntu 12.10

  This tutorial shows how to combine four single storage servers (running Ubuntu 11.10) to one large storage server (distributed storage) with GlusterFS. The client system (Ubuntu 11.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling…

Category : Operating systems   11-04-2013   by Janeth Kent

How to install LAMP (Linux,Apache,Mysql,Php) in Ubuntu 12.10

How to install LAMP (Linux,Apache,Mysql,Php) in Ubuntu 12.10

About LAMP LAMP stack is a group of open source software used to get web servers up and running. The acronym stands for Linux, Apache, MySQL, and PHP. Since the virtual private server is already running Ubuntu, the linux part is taken care of. Here is how to install the rest. Set…

Category : Networking   11-04-2013   by Janeth Kent

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