android system camera returns picture (original)

Jurisdiction <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"></uses-permission> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"></uses-permission> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></u ...

Posted by pharcyde0 on Mon, 20 Jul 2020 16:29:32 +0200

Classic three-column front layout with adaptive middle.

First, the first float method we commonly use It is important to note that the center of the method is placed behind the right box. html *{ padding:0; margin: 0; } .layout article div{ min-height: 100px; } .layout.float .left{ float: le ...

Posted by adaminms on Fri, 17 Jul 2020 16:17:53 +0200

Classic three-column front layout with adaptive middle.

First, the first float method we commonly use It is important to note that the center of the method is placed behind the right box. html *{ padding:0; margin: 0; } .layout article div{ min-height: 100px; } .layout.float .left{ float: le ...

Posted by dniry on Fri, 17 Jul 2020 16:19:48 +0200

Angular template reference variable (#var)

1. Template Reference Variables Template reference variables use the pound sign (#) to declare reference variables. Template reference variables are often used to reference a DOM element in a template, which can reference Angular components or directives or Web Component s. We can use a template to reference variables anywhere in the current ...

Posted by q1234ask on Mon, 13 Jul 2020 16:35:15 +0200

Use ContentObserver to listen for text messages to receive onChange method calls twice

I used to use BroadcastReceiver to listen for text messages, but I later learned that ContentObserver can also do this, and it's more convenient.So try this. ContentObserver works by observing (capturing) changes in the database caused by a particular Uri and then doing some appropriate work. During the process of listening for text messages ...

Posted by samvelyano on Sun, 12 Jul 2020 18:29:20 +0200

js native for high performance lazy loading (novice oriented)

Young brother is not talented, he made a simple lazy load to save moneyWindow.onscrollNumber of times to improve performance, designed function throttling and function anti-shake two modes, think of a better way to update later, also ask your friends to give more pointers!!:D Say nothing but code~~ 1. Simple lazy load ...

Posted by roustabout on Fri, 03 Jul 2020 17:47:06 +0200

Pinyougou project notes: SpringBoot and Ali greater than

Notes on pinyougou project (11) SpringBoot introduce Small example (1) Small examples (2) Integration of springboot and activemq Ali greater than SpringBoot introduce springboot is a back-end full stack framework (excluding page technology) produced by spring organization Role: advocate zero ...

Posted by Imad on Mon, 29 Jun 2020 08:00:08 +0200

The responsibility chain pattern of PHP design pattern

The model of responsibility chain belongs to the design model of object behavior. Gof class diagram and explanation GoF definition: allows multiple objects to process requests, thus avoiding the coupling between the sender and receiver of the request. Link these objects into a chain and pass the reque ...

Posted by asa_carter on Sun, 28 Jun 2020 03:57:15 +0200

ROS learning notes: Learning TF

0.TF initial experience http://wiki.ros.org/tf/Tutorials/Introduction%20to%20tf 1.Writing a tf broadcaster (C++) In the next two tutorials, we will write code to reproduce the demonstration in the tf introductory tutorial. After that, the following tutorial will focus on extending the demo with more ...

Posted by think-digitally on Sat, 27 Jun 2020 11:20:42 +0200

Android studio novice development: weather app (Baidu map api + wind weather api + city query + broken line display)

Android studio novice development: weather app (Baidu map api + wind weather api + city query + broken line display) 1. Content introduction 2. Environment configuration 3. Import another demo 4. AS project analysis 5. Weather project flow 6. Data exploration 7. Module architecture 8,sharedpreference 9. C ...

Posted by jej1216 on Sat, 27 Jun 2020 10:24:04 +0200