Twelve lessons in writing high-quality jQuery code

1. Reference jQuery correctly Try to introduce jQuery before the end of the body, not in the head. Introduce jQuery with a third-party CDN, and be aware that when problems arise with using a third-party CDN, local jQuery files should be introduced. If a script file is introduced before </body>, you do not need to write document.read bec ...

Posted by cbailster on Sat, 18 May 2019 02:31:41 +0200

golang foundation (33) exception handling

golang_real.jpg Beginners tend to ignore exception handling in the program, thinking that the program is always running in a cared-for environment, without any wind or rain, because we are the most knowledgeable people of our program. So we know what he likes, what he can eat and what he can't eat. But one day he returned to ...

Posted by spartan789 on Fri, 17 May 2019 14:49:32 +0200

Detailed Source Analysis of Android Volley Framework

Preface We are familiar with Android network programming, but we have to ask, do we really know Volley? How is Volley implemented internally? Why can a few lines of code quickly build a network request? We should not only know what it is, but also know why it is. For this purpose, this paper mainly describes the source code of ...

Posted by marker5a on Thu, 16 May 2019 13:56:19 +0200

Java Foundation - Handle

The role of Handler: When we need to deal with time-consuming operations (such as accessing the network, database operations) in sub-threads, and when the time-consuming operations are completed, we need to update the UI, which requires the use of Handler, because sub-threads can not do the operation of updating the U ...

Posted by jdnet on Thu, 16 May 2019 01:07:54 +0200

Chapter 3 The first project of RN: Realization of network requests

Network requests are essential to our project development.A network request consists of a client-side code implementation or can be initiated directly from a js page.This chapter focuses on how to build a network architecture. Android side Architecture description: Use retrofit2 to implement network requests.This code is relat ...

Posted by sohdubom on Thu, 16 May 2019 00:56:46 +0200

Create the first block chain using Java

The purpose of this series of tutorials is to help you understand how to develop block chain technology. In this tutorial, we will: Create your first very basic block chain. Implement a simple workload certification system (mining). Explore any possibility. I assume you have a basic understanding of object-oriented programming. It is notewort ...

Posted by tphgangster on Tue, 14 May 2019 23:28:59 +0200

Installing etcd cluster

kuberntes system uses etcd to store all data, which is one of the most important components. Note that the etcd cluster can only have an odd number of nodes (1,3,5...). This document uses three nodes to cluster. I. Basic Environment software package etcd download address: https://github.com/coreos/etcd/releases The server Architecture diagr ...

Posted by aximbigfan on Tue, 14 May 2019 22:41:01 +0200

App Network Request Actual Warfare III: Download Files and Breakpoint Renewals

App Network Request Actual Warfare III: Download Files and Breakpoint Renewals Melon skin is online, hey hey.Want to fight back, there is no! Boss, salvage. Or the original formula, no pictures diao This article records how download functions are integrated into a network framework. Solving Steps 1. Big aspect to un ...

Posted by dancer on Tue, 14 May 2019 21:57:16 +0200

Pthon Crawler-requests Library Learning Summary

Requests are written in the python language based on urllib, but Python provides a more convenient network request method, the requests library, than the cumbersome urllib.request library. I. Basic Methods 1.GET Request The bottom-level functions written by the get API are as follows, which must be passed as a URL, optional pa ...

Posted by j0n on Tue, 14 May 2019 17:48:31 +0200

Mobile Responsive Layout

I. Mobile End Foundation 0x1 Viewport 1, introduction viewport on mobile devices refers to the screen of the device that can be used to display the network. In general, viewport s on mobile devices are larger than browsing pages. Visual area of the device. 2, usage <meta name="viewport" content="width=device-width ...

Posted by darthbutternutz on Tue, 14 May 2019 15:29:39 +0200