In Javascript, apply call bind

In JavaScript, call and apply are meant to change the context in which a function is run, in other words, to change the direction of this within the function body.Let's start with an example:function="Red"function() {console.log (this. Color );}}

Liunx Some commands, log view. Summary of Fiddler Grab app pack

ADB commandSwitch to the path to the directorycd/root/docements Switch to Directory/root/docementsCD./path switch to the path directory in the current directory, "." Represents the current directoryCd.. /path switch to the path directory of the

Android Signature Packaging

First, Android What's the role of signature? Application Upgrade: If you want users to seamlessly upgrade to a new version, you must sign with the same certificate. This is because only the same certificate is signed and the system is

Get the JSON data and point it on the map, moving points from JSON to position

PHPEcho_end &L t;title> dot marker & Lt;style>.Marker {Color:#ff6600;Padding4px 10px; Border: 1px solid#FFF;White-space:nowrap; Font-size:12px; Font-family: ""; Background-color:#0066ff; } _end;?>Involves the issue of

Compiling Libsocket scripts for Android

#!/bin/bashu32=0 #编译64位arm时 u32=0 When compiling 32-bit arm u32=1 other parameters do not need to be changed target=android-24host=darwin-x86_64tool= Aarch64-linux-android #arm-linux-androideabi aarch64-linux-androidarch=arch-arm64 #arch-arm

Ionic Mixed Development summary call phone camera

Tidy up, to contact Ionic's partners for some reference, less detours.The phone is invoked only if the project has been successfully created.First of all, to download two plugins, one is Cordova-plugin-camera, is to call the camera plug-in, there is

Date issue in Safari browser in iOS

The Safari browser in IOS5 and above (not including IOS5) correctly interprets the date object of the new date (' 2017-3-27 ') in JavaScript.However, the IOS5 version of Safari explains that the new date (' 22017-3-27 ') is not correct, and the

One-click Script to generate Android screen gif

ObjectiveWrite a bash script that implements a line of commands to get an Android phone to record a GIF file on the screen.Bloggers Use the Ubuntu system, and the shell is bash. This script can also be used on Mac systems.I heard that the Windows

Nokia's feelings are getting cheaper

650) this.width=650; "class=" AlignCenter size-full wp-image-129 "src=" http://mytalks.cn/wp-content/uploads/2017/04/ 3310.jpg "width=" 550 "height=" 346 "style=" Height:auto;margin-left:auto;margin-right:auto; "/>Nokia was once a generation of

Verify the phone number and set the countdown for 60 seconds

Mobile phone numberVerification Code-->Verify the phone number and set the countdown for 60 seconds

The butterfly Effect of "Gree mobile"

The Butterfly Effect of "Gree mobile"no traditional phone experience,I don't have internet thinking.,The gree phone is becauseDong Mingzhua bet with Lei June on the line.. however , for the price of the yuan's gree made cell phone, industry is

Why can't my phone run the app? The Mystery of values

Welcome to follow my GitHub, attention to my csdn, wonderful constantly! csdn:http://blog.csdn.net/caroline_wendy/article/details/68923156An open source Android project on GitHub, download the configuration, complete the build, install it on

Android Small white growth path-listview optimization proposal

In Android development, the ListView is a very important component, it is in the form of a list of data based on the long adaptive presentation of the content, the user can freely define the layout of each column of the ListView, but when the

Android read-write files and permissions settings

    public static Boolean saveinfo (                   context Context, string userName, string userpass, int mode) {              try {FileOutputStream Fos;Switch (mode) {Case 0:FOS = Context.openfileoutput ("Private.txt", context.mode_private)

What does Android Gralloc mean?

What does Android Gralloc mean?Ignore can 0028 | Browse 23 times | Report posted on 2017-01-10 10:18 Best AnswerThe LCD in Android is a frame buffer device, and the driver uses the processor's LCD controller to set the area of physical memory

iOS Development View and view Controller

View, view controller (Viewcontroller) is something important in the iOS Development UI section. While learning the view of this piece of stuff, the feeling is similar to the panel in Java Swing. There is a uiwindow in the Uikit framework to

Android SQLite upgrade to encrypted

The core code of the main section.(Sqlitedatabase db) {createtable (db) list oldlist =. (). Queryallintenerl () (oldlist! = &&!oldlist.isempty ()) {insertmultiterm (dboldlist). (). DeleteAll ()}}Online to see the articles are, the project is the

IOS OAuth Authorization Analysis

Tag: URL name not registered address TPS MIS COM applicationOne, the black horse Weibo---> users ' Weibo data1. Become a Sina developer (join the development camp of Sina Weibo)* Sign up for a Weibo account, login http://open.weibo.comaccount:

iOS Open source project weekly 0330

The 14th issue of the iOS Open Source project Weekly was released by Opendigg. Our iOS Open source Weekly is a collection of Opendigg's high-quality iOS open-source projects for a week, which makes it easy for iOS developers to find the tools they

IOS-Mutex && spin lock multithreading Security Risks (reprint)

One, multi-threaded security risksresource SharingA resource may be shared by multiple threads, that is, multiple threads may access a resourceFor example, multiple threads access the same object, the same variable, and the same file.When

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