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Today, I encountered a front-end problem while learning the paging plug-in of angularjs. During the debugging of Google browser developer mode, I found that each click of paging refresh button would trigger two background requests, and ajax sent two requests to the background. This is a disgusting and uncomfortable thing for obsessive-compulsiv ...

1. Use the default json to convert HttpessageConverter At present, JSON is the mainstream front and back end data transmission mode. In spring MVC, HttpMessageConverter is used to support the conversion of JSON, and the relevant configuration is further simplified in spring boot. pom.xml <dependency> <groupId>org.springframework.b ...

The rise of deep learning has brought us new efforts and trial directions, and also brought higher requirements for the computing power of machines. GPU acceleration is the key to improve computing speed, but for most people, buying a good video card is too expensive. If you are not a local tyrant, i ...

Sketch The dual dsi function is supported on MSM8937. I tune it in MSM8937-android 6.0. The following is a brief introduction of its implementation ideas and key code fragments. There are two ways of dual screens supported by Qualcomm: one is to divide a picture equally on the left and right, and then ...

Among the various Android codes I've seen: public class MyActivity extends Activity { public void method() { mContext = this; // since Activity extends Context mContext = getApplicationContext(); mContext = getBaseContext(); } } However, I couldn't find any suitable explanation for what was better and in ...

brief introduction In the JavaScript world, all code is executed by a single thread. As a result of this "defect", all network operations and browser events of JavaScript must be executed asynchronously, so the expected results are often different. Because of JS flexibility, callback callbac ...

Article directory 1, Kali virtual machine installation 2, Domain name introduction 1. Domain name introduction 2. Domain name query method whois web interface query Query through whois command line 3.ICP filing 3, Collect subdomain information 1. Domain name and subdomain name 2. Sub domain name ...

What is gerrit? Gerrit, a free, open source code review software, uses a web interface. gerrit background Gerrit, a free, open source code Code review software, using web interface. utilize Web browser , software programmers of the same team can review each other's modified program codes and decide whether they can submit, return or continu ...

Function currification The concept of corrilization: only a part of parameters is passed to the function to call it, and it returns a function to process the remaining parameters Take an example: var add = function(x) { return function(y) { return x + y; }; }; var increment = add(1); var addT ...

The purpose of this paper is to understand what blockchain is through Java practical development tutorial. We will develop a very basic blockchain by self-study in Java through practical learning, and on this basis, we can expand such as web framework applications. This basic Java blockchain also implements a simple workload proving system. ...