When you use Node JS to implement an HTTP / HTTPS web server, you always follow the general steps as below. But if you close the terminal or kill the node process unexpectedly, the HTTP web server will stop also. This article will tell you how to avoid such an issue and make the node […]
How To Run Node JS Server In Background Read More »
When you develop an android application, you always need to pass data between activities. And even more, you sometimes need to pass data between all activities for example pass session-id, user-name, and password. In this article, I will tell you how to use android Intent or Application object to pass data between activities.
Passing Data Between Activities Android Tutorial Read More »
The previous article Android Pick Multiple Image From Gallery Example has told us how to browse an image gallery to select and show images use Intent.ACTION_GET_CONTENT intent. In that example, we save all user-selected images android file path URI in a list. Then we display those images one by one.
How To Get Real File Path From Android Uri Read More »
After you installed android studio, you still need to configure some android SDK environment variables then you can use them easily. This article will tell you how to correctly configure Android SDK environment variables such as ANDROID_HOME, PATH on both Windows and macOS.
How To Set Android SDK Path In Windows And Mac Read More »
This article summarizes several cases that will throw Python TypeError: ‘str’ object is not callable or TypeError: ‘module’ object is not callable, it will also tell you how to fix the error in each case.
How To Fix Python Error TypeError: ‘str’ Object Is Not Callable Read More »
This article will tell you how to install python scrapy and how to fix the error Running setup.py install for Twisted … error during the installation process.
How To Fix Running Setup.py Install For Twisted Error When Install Python Scrapy Read More »
In this article, I will tell you several methods about how to use python os, pathlib module to list files in directory. It will also tell you how to use the python fnmatch module to filter out special files that match the file name pattern.
Python List Files In Directory Example Read More »
Mac OS X has installed python by default, but the version is 2.7.10. It is a little older, so I upgrade python to a newer version ( python 3.7 or python 3.9 ). But after installing the new version, when I open a terminal and run python command, it still uses Python 2.7. This article
Installed Python 3 On Mac OS X But It Still Use Python 2.7 Read More »
After you create a maven project in eclipse for spring application development, you always need to use maven to clean, build, install, and deploy the spring application to a tomcat server to see the result. This article will tell you how to make maven deploy to tomcat in eclipse project.
How To Deploy A Maven Project To Tomcat From Eclipse Read More »
On macOS set java_home, maven_home is not as easy as in windows after you install JDK or maven. Do not worry, this article will tell you how to do it in macOS.
MacOS Set Java Home, Maven Home, M2, Maven Opts Example Read More »