This article will tell you how to use Xcode to create a swift project, then you can develop the iOS app in it. But before start, you should install Xcode on your mac os.
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Bitbucket is a website which is owned by Atlassian company. It provides free private git repository services, your source code will not be exposed to the public when saved in their repository. It also provides a bitbucket server for you when you want to install the repository server on your own machine, but bitbucket server
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Python requests module provide functions to write web request process code easy and simple. It can send both http get and post request to web server. When you send get request to web server, you can use python request module to pass parameters. When you send post request to web server, you can use python
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When I use the pip command to install a python module ( pip install requests ) or upgrade pip ( python -m pip install –upgrade pip ) in windows, I meet the below error message. Could not install packages due to an EnvironmentError: [WinError 5] Access is denied: ‘C:\\Program Files (x86)\\Python37-32\\Lib\\site-packages\\pip\\__init__.py’ Consider using the `–user`
Wget is an open source file download tool for both Windows, Linux and Mac OS. It can continue get a partially downloaded file which is called breakpoint resume. This article will tell you how to install wget on mac os x and how to use it to implement file download breakpoint resume to continue download
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Swift closures is a kind of code block which can be used as a function, function return type or other function’s parameters. It can has parameters and return values, or it can also do not has parameter and return nothing. It make writing swift code clean and clear, it can save a lot of coding
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This article will show you how to install mac os ( include both mac os high sierra & Mojave ) in VirtualBox virtual machine. And the host os is windows 10. Below are the steps, you can follow them.
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After installing macOS high sierra in VirtualBox, when I start the virtual machine, it popup the Keyboard Setup Assitant window like below. For macOS beginners, this window is so strange and I do not know what to do. And if you are not lucky, you will find your mouse and keyboard are all out of
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When you use oracle VirtualBox, sometimes you need to install the VirtualBox extension. Because the VirtualBox extension provides you add-on functions such as virtual USB 2.0 & 3.0 support, VirtualBox remote desktop protocol support, Intel PXE boot ROM, Disk image encryption with AES algorithm, Host webcam passthrough, etc. But when you install it, you may
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Switch case is a powerful condition check expression which exist in many programming languages. But in swift, switch case expression add some useful features in usage, it provide more powerful usage than other programming language. This article will show you some swift switch case usage examples to show the differences.
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