Mobile Develop

Installing VirtualenvInstall virtualenvIf the download is slow, you can add a watercress source:Install -I https:///pypi.douban.com/simple/virtualenvIt is also possible to download other packages using a watercress source.To create a virtual

The media query adaptation rules are based on the UI design figure 750p width version, such as PS amount of 450px, written in writing (450REM/2/15).@media (min-width:240px) and (max-width:320px){html{font-size:12.8px!important}} @media (min-width:321

OverviewNsurlconnection is responsible for sending requests to establish a client-to-server connection. Sends data to the server and collects response data from the server. Where the Nsurlrequest class is used to encapsulate a request that contains

Reprint to Http://blog.sina.com.cn/s/blog_4de61e0d0102wfy8.htmlThe reason is that this web page reference (Google services, understand) of the jquery file cannot be loaded, causing the method to fail.Download the scheme file in studiostyl.es, click

Configuration related to Fiddler 1. Allow Fiddler to capture the HTTP protocol, open the Fiddler Client, menu box select Tools->options->https, tick the figure three2. Allow remote connection, tools->options->connections, check enable cpmputers to

Jenkins configuration with the necessary environment configurationOne: Jenkins server (Linux system for example):1.JDK Installation and Configuration2.SDK Installation and Configuration3. Gradle version of the installation configuration (recommended

When the app is being promoted, it needs a lot of material to wrap up the content that needs to be spread. Text is generally regarded as the basis of content dissemination, on the basis of text, need to use pictures, video, H5 and other novel forms

The first is to find a tutorial online, the code is very simple #!/bin/bashfolder =~/test time = ' date +%y%m% d ' mysqldump -u user-p pwd -hlocalhost databasename | gzip > $folder/databasename_$time Span style= "COLOR: #000000" >.sql.gz#

1. Realize the interaction between native and JS    function setupwebviewjavascriptbridge (callback)  {    //android use     if  (window. Webviewjavascriptbridge)  {        callback (window. Webviewjavascriptbridge)     } else {       

Objectiveappium1.5 the following old version can be located by name, the new version from 1.5 does not support name positioningName Location Error1. The latest version of Appium V1.7 with name, error:

ObjectiveSometimes there is no id attribute on the page, and the other attributes are not unique, usually used more is the singular (element) positioning method, encountered element attributes are not unique, you can not directly navigate to.So we

HTML{Color:#333;/*Specify the main hue, depending on the business scenario (not required)*/background:#F6F6F6;/*Specify the main background, depending on the business scenario (not required)*/overflow-y:Auto;/*if an overflow automatically forms a

iOS jailbreakiOS jailbreak (jailbreak). Take advantage of the vulnerabilities in your iOS system to get the highest privileges (Root) of your iOS system and to unlock previous restrictions (legal behavior). Jailbreak is free to install a

OverviewCharles is the equivalent of a "filter" inserted between the server and the client. When the client initiates a request to the server, it first filters to Charles and then Charles sends the final data to the

This paper lists four methods of delaying execution of a function and some differences. If the delay is 1 seconds, execute the following method.-(void) Delaymethod {NSLog (@ "execute");}1.performSelector method[Self performselector: @selector

Each time the code is broken and concatenated is a refactoring.Https://www.jianshu.com/p/2e074db792baGeneration and delivery of events in iOS 3.1. Event generation When a touch event occurs, the system adds the event to a queue of events

These two days, the app built into the system files or system signatures to obtain system permissions, found that using the PM install path is feasible on the lower version, the installation failure in the high versionThrow nullpointexception, look

First, LinearLayout (linear layout)One of the most commonly used layouts, the characteristic of a linear layout is that each control adds a row below the previous control by default.LinearLayoutxmlns:android=

Android settings background color can be defined by an XML in Res/drawable, as follows:[Code]xml Code: 1 2 3 4 Android:startcolor= "#FFF"

As developers, we all know that it is unavoidable to encounter time-consuming operations in the development process, such as network requests, file reads and writes, database operations, and so on. Android is a single-threaded model, which means