Node.JS Actual 58: Write an anti-crawler system!

Crawlers, one of the biggest threats to network security! According to the crawl data type, there are many kinds of crawlers, such as crawling Email addresses, crawling commodity prices, crawling pictures, and the most crawled content, content data crawlers are flooded! Many people are deeply distr ...

Posted on Tue, 28 Jan 2020 18:49:33 -0800 by intenseone345

Ali fastjson parsing

Analytic case String object="{total=1, rows=[{_Account=3646808, UserID=131514, Mt4Name=SewwoaIQQS, ServerID=14, InMoney=7911.0, OutMoney=6479.76, Balance=3001.95, Margin=0.0, Equity=2406.6, Profit=-595.35, GroupName=W-Default, Leverage=200, TradeFee=0.0, CreateTime=2017-08-09T06:55:28.14, Status=1, IsReal=0, Credit=0.0}]}"; JSONObject jsonObjec ...

Posted on Tue, 28 Jan 2020 07:04:17 -0800 by Stickybomb

java operates native mongoDB to query conditions

In recent project development, the company used the native mongo for data operation, and found the following native operation methods for a long time 1. Encapsulate ip and port as ServerAddress object              ServerAddress address = new ServerAddress(ip, port);   2. Next, encapsulate the user name, databas ...

Posted on Sun, 26 Jan 2020 10:54:02 -0800 by salmon

ajax knowledge aggregation (native, encapsulation) and the difference with json

I. what is Ajax AJAX is "Asynchronous Javascript And XML.", AJAX is not a new programming language, but a technology for creating better, faster, and more interactive Web applications. It is a set of browser side web development technology which integrates many technologies. These technologies include Javascript, XHTM ...

Posted on Sun, 26 Jan 2020 09:07:48 -0800 by petromanian

Mobile semantics brings performance optimization

readme Mobile semantics is a new feature of c++11. Its core idea is the transfer of ownership, not the traditional copy. Many c++11 template libraries, such as string and vector, support mobile semantics and include mobile constructors. The mobile semantics are usually discussed together with the right ...

Posted on Sun, 26 Jan 2020 05:24:28 -0800 by webpoet

js recursive call

Programmers not only have the logic and code in front of them, but also the underlying framework and architecture. 1. Preface Recently, we are doing a complex table design data format setting, which uses the principle of multi fork tree, so we need to use recursion to realize data format. 2. The concept of recursion ...

Posted on Sat, 25 Jan 2020 07:57:56 -0800 by PallaviDalvi

Using DllPlugin to extract Public Libraries

When dll is not used, vue is packaged directly with the application. Every time the application is updated, the client needs to download all new js   After optimization, the size will be a little larger, but users do not need to download the js of vue again every time they update, only need to update the js related to app   Remove m ...

Posted on Sat, 25 Jan 2020 06:39:40 -0800 by AdamBrill

New Year's Eve Special Edition teaches you how to develop WeChat Public Number

Article Directory Article Subject Setting up development environment Access to WeChat Public Platform Fill in server configuration Verify that the message really came from the WeChat server receive messages Reply message Chat Robot Reply to Text Message Custom Menu Menu response Template message S ...

Posted on Thu, 23 Jan 2020 21:20:34 -0800 by stig1

Week 11 Study

The teacher started by giving us a summary of recent learning (we learned the basics of dynamic websites in the past few weeks, how to create web projects in Intellij, how to learn JSP elements and hidden objects, through which we implemented a landing registration page, how to check landing registratio ...

Posted on Wed, 22 Jan 2020 22:35:52 -0800 by webbnino

VScode configuration prettier and eslint

In the front-end tool, if the prettier is used for code formatting, eslint performs error detection. Great help for front-end work Principle: The prettier and eslint configurations can be divided into two types: local configuration and global configuration. VScode will check whether there are user-def ...

Posted on Wed, 22 Jan 2020 06:06:06 -0800 by Shandrio