Web development technology combs 0x2 JavaScript types, exceptions, Promise

Number guessing game <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Number guessing game</title> <style> html { font-family: sans-serif } body { width: 50%; max- ...

Posted on Thu, 28 Mar 2019 03:09:30 -0700 by vic vance

Optimal Solution of ViewPager+Fragment LazyLoad

The mode of ViewPager+Fragment is very common. Take the National Application of Wechat as an example, assuming that Wechat is also the way to implement ViewPager+Fragment, the form is that a ViewPager manages four Fragments and slides back and forth. But ViewPager has a wonderful feature called preloading, such as opening a tweet. The first on ...

Posted on Thu, 28 Mar 2019 02:45:32 -0700 by xenooreo

One linux command per day: telnet command

Telnet commands are usually used for remote login. Telnet program is a remote login client program based on TELNET protocol. Telnet protocol is a member of TCP/IP protocol family. It is the standard protocol and main mode of Internet remote login service. It provides users with the ability to complete remote host work on the local computer. Th ...

Posted on Wed, 27 Mar 2019 23:42:28 -0700 by crislewis

RESTful Web Services Provided by Flask

The full name of REST is Representational State Transfer. In his paper, he said: "The purpose of this article is to understand and evaluate the architecture design of network-based application software on the premise of conforming to the principles of architecture, so as to obtain a framework with strong function, good performance and sui ...

Posted on Wed, 27 Mar 2019 17:57:29 -0700 by dstockto

Universal-Image-Loader Complete Resolution of Android Open Source Framework (I) - - Basic Introduction and Use

Please note that this article is from xiaanming's blog( http://blog.csdn.net/xiaanming/article/details/26810303 Please respect the hard work of others. Thank you. Hello everyone! I haven't written an article for nearly two months. I was busy changing my job and preparing for a written interview. Now I have found a new job. I am satisfied w ...

Posted on Wed, 27 Mar 2019 13:42:29 -0700 by waterox

2019-03-26 Notes —LVS+keepalived

Question 2: When a machine of RS goes down, LB will still send the request to the downtime machine, but when users visit, they may encounter the situation that the web page can not be loaded, which will affect the user's experience. Solution: keepalived + LVS Experimental deployment: Installation on LB Machine (85.128): Note: ...

Posted on Wed, 27 Mar 2019 07:33:32 -0700 by Jude

One linux command per day: iostat command

Iostat in Linux system is the abbreviation of I/O statistics (input/output statistics). The iostat tool will monitor the disk operation activities of the system. Its characteristic is to report the statistics of disk activity and CPU usage. Like vmstat, iostat has a disadvantage that it can not analyze a process in depth, only the overall situ ...

Posted on Wed, 27 Mar 2019 06:57:28 -0700 by Silver_Eclipse

Expanding spring cloud gateway dynamic routing parsing and 302 problems

1. Dynamic routing Requirement: Provide reverse proxy according to ip and port information of specified intranet service. The original intranet service is published to the external network and integrated in the front end through business logic. These intranet services need to be hidden behind the main service. The first edition is implemented ...

Posted on Wed, 27 Mar 2019 01:36:28 -0700 by Old Novus

Introduction to Elastic Search Cluster

I. Download and Installation Elastic search dependency Java Before installing ES, we must first match java, which is the default that our computer has been completed. Elastic search requires a minimum version of jdk of 1.7.   First, we download the installation package from the elastic search website. Linux System, download tar pac ...

Posted on Tue, 26 Mar 2019 19:03:28 -0700 by Ivan_

Use and in-depth analysis of RecyclerView

For reprinting, please indicate the source: http://blog.csdn.net/evan_man/article/details/51570466   Recycler View has been playing a trick recently. Today, when I have nothing to do, I will sort out the information I collected before and the experience in using it, and write the following blog. The structure of the blog is similar to that ...

Posted on Tue, 26 Mar 2019 15:06:30 -0700 by adsegzy