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    Preface Station B as a barrage video website, has the so-called barrage culture, so let's see next, what is the most barrage in a video? Knowledge points: 1. Basic process of reptile 2. Regular 3. requests 4. jieba 5. csv 6. wordcloud Development environment: Python 3.6 Pycharm Python section Step: import reimport requestsimport csv 1. Det ...

In Android applications, we use the intent mechanism to jump between activities. This example simply introduces how to use intent to make the program jump from MainActivity to another OtherActivity to realize a single parameter value. When returning MainActivity, use Bundle for batch return. 1, Design interface 1. MainActivity la ...

In the morning, the project manager said that it is necessary to add a user ip home location query function, and then search the Internet for half a day, and work out a relatively simple method to return address json data through the interface Baidu interface, Sina interface, Taobao ip interface is used here Get IP location through Taobao IP ad ...

Please be patient to read this module because of its large content and length. My module is divided into four parts [ ] My interface [ ] Set up interface [x] Modify password interface [x] Set Secret Security and Retrieve Password 1. Modify Password 1. Create a password modification interface In the com.boxuegu.activity package, creat ...

Array API API: Application Programming Interface; The methods provided by objects in js are called API s; instanceof Detect whether an object is an array; (used against complex data types;) //Simple data type of; A instanceof B / / is a made by B; Example: var arr = [1,2,3]; console.log(arr instanceof Array); //arr is not of type ...

The steps to use Litepal are as follows: 1. Introduce JAR package and change configuration Use Android Studio to add: dependencies { compile 'org.litepal.android:core:1.6.1' } 1.6.1 is the version number, which can be changed according to the requirements. Then configure the litepal.xml file. Generally, create ...

1. Prerequisite preparation Today, I reviewed the joint use of TabLayout and ViewPager, and wrote a demo to deepen my understanding. First, make sure that TabLayout is under design, not under the original widget of the system. So first, add the following reference to the dependencies closure of build.gradle under app: ...

Modify application.properties In the first way, we just need to add a sentence like this in application.properties: server.port=8004. Why can I modify the default port of spring boot in this way? Because there is such a class in SpringBoot: ServerProperties. Let's take a look at this class in general: @ConfigurationProperties(prefix = "serv ...

Summary of OkHttp source code interpretation (VIII) - > bridgeinterceptor Tags (space separated): learning notes of OkHttp source code Preface The following summary of relevant knowledge is based on the relevant learning and opinions of mooc.com. If you need to check the relevant teaching of mooc.com, you can st ...

Thread overview Almost all operating systems support running multiple tasks at the same time. A task is usually a program, and each running program is a process. When a program is running, it may contain multiple sequential execution flows, each of which is a thread. Threads and processes         Almost all operating sys ...