Node js is an asynchronous framework which execute in JavaScript virtual machine chrome v8. It execute very quickly because of asynchronous execution. There are a lot of third party library for node js also. One of the famous is Async module. It provide a lot of methods to control the js code execution flow. This […]
Implement Queue Using Node JS Async Module Example Read More »
Async module is a third party Node JS module which can make a collection of javascript function executed by control. This article will tell you how to install async module and how to use it’s various methods to control your Node JS application’s work flow.
Node JS Async Module Example Read More »
If you want to use Windows 7 in macOS, you always need to install VMware Fusion and create a Windows 7 virtual machine in it. You can read the article How To Install VMware Fusion Virtual Machine On Mac Correctly to learn how to do it. But after that, you may also need to share
How To Share Wi-Fi And Directory Between MacOS And Win7 Virtual Machine Read More »
Recently when I install VMware Fusion on macOS, I meet the error “Could not open /dev/vmmon: No such file or directory” during the installation process. When I investigate this error, I found this error happened not only on macOS, but also when you start VMWare on Linux, this article will tell you how to fix
This example is a user account register and login demo implemented with node.js. The function is simple but is enough to demonstrate how to use node js to create a request router, how to create and use a custom node js module, and how to use http, url, and querystring built-in modules.
Node JS User Registration Login Example Read More »
If you install both macOS and Windows OS on a Mac computer, sometimes you may need to remove Windows OS and use only MacOS again. This article will tell you how to remove Windows OS on a Mac computer.
How To Merge Disk Partitions In Mac Read More »
As a macOS beginner, you may be confused when you want to get a folder or file’s absolute path value. You can not find the folder’s detail path value as in Windows. This article will tell you how to get a file or folder’s absolute path value in macOS and how to display the file
How To Get File Path In Mac Read More »
Android support drag and drop action since SDK version 11. You can drag any view component from the source container and drop it to another container ( view component ). This example will show you how to implement drag and drop action in android.
Android Drag And Drop Example Read More »
This example will tell you how to check and display swipe gesture direction in the android application. It also shows how to know whether the user single-tap or double-taps the android device screen. If you want to know basic knowledge about how to listen and respond to user gestures in the android app, please read
How To Detect Swipe Gesture Direction In Android Read More »
Android uses an event queue to manage events generated by the system or device user. When an event occurred ( for example when a user clicks a button it will trigger the on-click event ), the event will be placed in the event queue. All the events in the queue comply with the FIFO (
Android Event Handling Tutorial Read More »