Design pattern Overview - structural pattern

Last article "Design pattern Overview - creation pattern" After sorting out the five types of creation mode, let's go on to sort out the structural mode. The purpose of a structural pattern is to describe how classes or objects can be combined to form a larger structure. The class structur ...

Posted on Tue, 25 Feb 2020 05:05:05 -0800 by kashmirekat

java learning path: 31.java common layout manager (absolute, flow, boundary, grid)

Write before: Hello, I'm Fdog. I'm from a small city in Inner Mongolia. I'm currently studying in Taizhou. Thank you for having such a platform for me to share what I have learned here. I like programming, like code, like to be a programmer. Study hard and strive for a better life for relatives after m ...

Posted on Tue, 25 Feb 2020 04:23:27 -0800 by TanyaTR

Operating system principle experiment

Write at the beginning Recently, the new type of coronary pneumonia is very serious, and the school can't open any more. When learning the operating system principle on MOOC See the experiment questions left by the teacher, which are all completed by self-consciousness. Record them here. ...

Posted on Tue, 25 Feb 2020 03:02:08 -0800 by phorman

How to configure Visual Studio to use Beyond Compare

I want to configure Visual Studio to open Beyond Compare as a diff tool by default. How can I do that? #1 building If you are using TFS, you can In Team Foundation Medium diff / merge configuration Find out more -Common Command and Argument values It shows how to configure the following tools: WinDiff DiffDoc (for Word files) ...

Posted on Tue, 25 Feb 2020 02:00:20 -0800 by kim

Check whether the directory exists, if not, create

I often find myself writing R scripts that produce a lot of output. I find it cleaner and can put this output in my own directory. What I write below will check whether the directory exists and move into it, or create a directory and move into it. Is there a better way to solve this problem? mainDir <- "c:/path/to/main/dir" subDir <- " ...

Posted on Sun, 23 Feb 2020 03:48:20 -0800 by Tatara

On the crawler of Taobao commodity information

Taobao.com is an online shopping website of Alibaba group, founded by Ma Yun on May 10, 2003. It is a C2C shopping website for consumers in mainland China, Hong Kong, Macao, Taiwan and Malaysia. Taobao has some anti climbing methods, which makes people a little confused. After data collection and analys ...

Posted on Sat, 22 Feb 2020 23:16:25 -0800 by aashcool198

android webView comprehensive resolution basic settings, https, progress bar

Basic settings of webView webView has a lot of settings through webSetting. If you don't pay attention to it, there may be some settings. Then it fails to render a web page. Here are the important settings of webView. It can be adjusted according to the actual situation. WebSettings webSettings = webView.getSettings(); ...

Posted on Sat, 22 Feb 2020 08:32:57 -0800 by rantsh

Electronic Vue cross platform desktop application development practice tutorial -- window style & open a new window

In this article, we will explain how to modify the window style. The default window of the system is very common, which is usually inconsistent with the design, so we need to customize it. Next, we will explain how to remove the original style, how to realize the minimization, maximization and closing buttons of the window. How to open a new ...

Posted on Thu, 20 Feb 2020 23:30:35 -0800 by nayone

Problems encountered in multithreaded learning

Around the 2020 lunar new year, a new type of pneumonia virus swept across the country. Up to today, more than 74000 people have been infected. They have been at home for more than a month in response to the call. I decided to relearn multithreading and understand multithreading more deeply. Today, I me ...

Posted on Wed, 19 Feb 2020 23:01:50 -0800 by aveach

Perfect integration example of Android Studio's latest version of ring letter SDK

Perfect integration example of Android Studio's latest version of ring letter SDK tags: ring information integration 1 Preface Recently, I saw that someone was looking for the problem of android integrating the ring letter SDK. I integrated the latest version of the ring letter SDK with the latest a ...

Posted on Wed, 19 Feb 2020 21:55:28 -0800 by RedOrbit