When you develop a python application with the eclipse PyDev plugin, you always need to use some third-party python module libraries. This article will just tell you how to add library in python eclipse project and how to use the library in your python source code.
How To Add Library In Python Eclipse Project Read More »
Swig is the abbreviation of Simplified Wrapper and Interface Generator, it can give script language such as python the ability to invoke C and C++ libraries interface method indirectly. It is implemented by compiling the C/C++ declaration file (.i file) into the C/C++ wrapper source code (.c or.cxx) file. By calling such wrapper interfaces directly, scripting languages
How To Install Swig On MacOS, Linux And Windows Read More »
When I use the Windows remote desktop manager to manage a remote machine, I sometimes meet the below issue. The copy and paste function from the local machine to the remote machine does not take effect, so I can not transfer data between the local and the remote machine by copy and paste. This issue
How To Resolve Windows Remote Desktop Clipboard ( Copy & Paste ) Not Working Read More »
This example will show you how to use various android.graphics.Canvas class’s methods to draw text, point, line, circle, rectangle, oval, arc, and self-defined shapes. 1. Android Graphics Canvas Draw Method Example. If you can not watch the above video, you can see it on the youtube URL https://youtu.be/HtR0yY0kCcI The above example demo video shows that
Android Canvas And Paint Common Drawing Function Example Read More »
This example will show you how to change the android device screen orientation ( horizontal to vertical vice versa ) and how to avoid activity restart during the screen orientation change.
Android Change Orientation Without Restarting Activity Example Read More »
The root user is not enabled by default in macOS. So when you run some installation program that always needs root permission you should get errors. The error message may confuse you, it sometimes tells you the password is wrong but the real reason is that the root user has never been enabled at all.
How To Enable Root User Or Change Root Password In MacOS Read More »
Pinch zoom ( in or out ) is an often-used gesture in android applications. It is very user-friendly and smooth to display something bigger or smaller to watch. This example will show you how to implement pinch zoom on an image in the android application.
Android Pinch Zoom Layout Example Read More »
In some cases, you may want to capture custom-defined gestures in your android application. And at the same time, you may also want to detect general gestures ( such as double-tap, long press, scroll, etc) on the special view component. This article will tell you how to combine custom-defined gestures and general gestures together in
Android Combine Custom And General Gestures Example Read More »
When you create a new android project in android studio, you may encounter an error message like below. Error:Execution failed for task ‘:app:preDebugAndroidTestBuild’. > Conflict with dependency ‘com.android.support:support-annotations’ in project ‘:app’. Resolved versions for app (26.1.0) and test app (27.1.1) differ. See https://d.android.com/r/tools/test-apk-dependency-conflicts.html for details.
Fix Conflict With Dependency Error When Creating Android Project 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 »