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Please be patient to read this module because of its large content and length. Exercise module is divided into two parts [x] Exercise List Interface [x] Exercise details interface 1. Exercise List Interface 1. Exercise Interface (1) Create exercise interface In the res/layout folder, create a new layout file named main_view_exercises. ...

1 unit conversion Due to the different screen density, the length of the same pixel size and the length displayed on the screen with different density are different. The following is the conversion formula of each density value, In mdpi, 1dp = 1px, In hdpi, 1dp = 1.5px, In xhdpi, 1dp = 2px, In the xxhdpi, 1dp = 3px ...

About SearchView SearchView is Android's native search box control, which provides a user interface for user search queries.   By default, SearchView displays a search icon. Click icon to expand the search box. If you want the search box to expand by default, you can use seticonfifiedbydefault (false); to achieve this. Search ...

ElasticSearch close restart command From: http://www.cnblogs.com/ae6623/p/5110927.html Many people learn elasticSearch by self-study. There is no answer to Baidu's question of how to restart es. I'm trying to figure it out. I hope I can help you. 1. How to close ES and elasticsearch 1. Use the head plug-in Find the node you wan ...

1, Change style First, change the style of the system to the style without ActionBar, set the color of the theme, and then reference the style. <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar"> <item name="colorPrimary">@color/colorPrimary</item> <item name="colorPrimaryDark ...

The company has a small need to dynamically configure the value of android:scheme in Android manifest.xml. This translates into the problem of modifying xml node values through an external java project. Among them, Android manifest.xml needs to stipulate a rule: <activity android:name=".MainActivity"> ...

From: http://blog.csdn.net/wenwen091100304/article/details/49667293, good summary Introduction The Chinese meaning selector is often used as the background of components in Android. The advantage of doing this is that it does not need to use code control to realize the transformation of different background colors or pictures of compo ...

Suppose you have installed bs4 requests This novel is chosen at will, so you don't have to worry too much Python 3 implementation. There are too many crawlers using Python 2 on the Internet, but there are still few crawlers using Python 3 The link is https://www.qu.la/book/12763/10664294.html Get the title of the article (find the exact htm ...

Add the bean s needed to upload files in pomxml Adding information such as file size file encoding to dispatcher servlet XML Background upload process FileService source code display FTPUtil source code display In a project, file upload is often needed. The following process is the file upload step I used in ...

android sets button style (border color, fillet) and picture style (fillet) Set button border color: Create a new button? Edge.xml file in drawable <?xml version="1.0" encoding="UTF-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <!-- Border color value --><item> < ...