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What’s HHVM?

This tutorial walks through a small Spring MVC application that sends a templated e-mail, using Thymeleaf to render the message body and Jakarta Mail to deliver it.

GitLab Open Source Introduction Crowd testing is a software testing approach where a distributed group of real users, rather than an in-house QA team, tests a product across a wide variety of devices, operating systems, and usage scenarios.

Introduction Nginx is one of the most popular web servers in the world and is responsible for hosting some of the largest and highest-traffic sites on the internet.

One of the most common questions I get from PHP beginners is: why are there four different ways to pull one file into another?

Clover is a new and exciting open source EFI bootloader.

Almost all collections in Java are derived from the java.util.Collection interface.

Spring Framework is developed on two core concepts – Dependency Injection and Aspect-Oriented Programming (AOP).

Consistent hashing is a special kind of hashing such that when a hash table is resized and consistent hashing is used, only K/n keys need to be remapped on average, where K is the number of keys, and n is the number of slots.

Sending a templated HTML email is a one-liner in some frameworks, but Zend Framework 2 ships no such helper, so you have to wire up the view renderer, the MIME message, and the transport yourself.

The String Constant Pool is a JVM-wide cache of string literals: when different parts of your code reference a string with the same content, they can share a single String object instead of allocating a new one each time.

Design patterns represent the best practices used by experienced object-oriented software developers.

Processes and threads are both units of execution managed by the operating system, and they are easy to mix up.

The difference between wait() and sleep(), or between sleep() and yield(), is one of the oldest questions asked in Java interviews.

An object is a chunk of memory bundled with the code that manipulates memory.

HashMap is one of the most common topics in Java interviews, and “How does HashMap work?”

If you copy a normal jQuery snippet into a WordPress theme or plugin, sooner or later you hit Uncaught ReferenceError: $ is not defined.

Apache™ Hadoop® is an open source software project that enables the distributed processing of large data sets across clusters of commodity servers.

What’s HTTP?

Integrating Log4j into a Spring MVC application is quite straightforward: include the Log4j library in your project dependencies, then create a log4j.properties file to define Log4j’s appenders and put it on the project classpath.

Ajax, a term coined by Jesse James Garrett that became popular after the publication of the article Ajax: A New Approach to Web Applications in February 2005, is short for Asynchronous JavaScript and XML.

Once the services, DAO, and supporting classes are tested, it’s time for the controller.

Gitee Recommended Open Source 科蓝杯 Silver Award Introduction Medical Image Tagger (MITagger) is a collaborative web-based annotation platform developed with Harvard Medical School to accelerate semi-automatic tagging of biomedical figures.

In this tutorial we build the smallest useful Spring MVC application: a controller that reads a request parameter and renders it in a JSP view.

In this tutorial we install Jenkins and configure it to build a Maven project hosted on GitHub.

The easiest way to read request parameters in a Zend Framework 2 controller is the Params plugin, introduced in beta5.

I’ve been getting into trouble for several hours with redirecting to the 404 page in Zend Framework 2.

It is common to convert a String into a byte[] array and back again.

Most Linux distributions ship a stripped-down Vim — often without +python3, +clipboard, or GUI support, and rarely the newest release.

Note: This post has been updated for PHP 8.5 and PHPUnit 13.

SQLite is a lightweight, file-based database that needs no separate server process, which makes it a perfect fit for desktop applications that want to store data locally.

If you are or want to be an open-source developer, you must try GitHub.

In this tutorial I will describe the required steps for setting up a pseudo-distributed, single-node Hadoop cluster backed by the Hadoop Distributed File System, running on Ubuntu Linux.

I had been using Sun Pinyin for a long time, but once I tried Google Pinyin I never looked back.

Note: This post describes Unity 7 and Compiz, Ubuntu’s default desktop through Ubuntu 16.04 LTS.

Excel stores a date internally as a number of days since January 1, 1900.

GitLab Open Source Introduction The Student Management System is a PHP/CodeIgniter web application built for the School of Software at Hefei University of Technology to replace a fully paper-based Comprehensive Evaluation (综合测评): an annual multi-dimension…

Dexmate · JTC LaunchPad@One-North The interactive map is unavailable on this network.

Biography I am currently the R&D Lead of Dexmate’s Singapore Office, following roles as a Research Fellow at MMLab@NTU (2023–2026) under Prof.

Welcome to the first windows tutorial.

To access CodeIgniter’s native resources from inside your own library, use the get_instance() function.

Introduction As an undergraduate at Hefei University of Technology (HFUT), I designed and built official websites for several university departments, listed below with the period each stayed in service.

The passage is telling you how to rename the file name automatically by WordPress (without using any plugins).

In this tutorial, you will learn how you can run your application as an administrator automatically using Visual C#2012.

In computing, a regular expression is a specific pattern that provides concise and flexible means to “match” (specify and recognize) strings of text, such as particular characters, words, or patterns of characters.

GitLab Open Source Introduction The Software QA System is a network-based online examination suite developed for the Software Basis Knowledge Contest (软件基础知识竞赛), part of the 3rd “Software Festival” (软件文化节) hosted by the School of Software at Hefei Univers…

Introduction Carbon Footprint Calculator (碳足迹计算器) is a desktop application I built in March 2010 using Visual Basic 6.0, an early project I built in middle school.