YII2 rules validation rule, Ajax verifies that the mobile phone number is unique

phpnamespace frontend\models; UseYii; UseYii\base\model;/** * Signup form*/classSignupformextendsmodel{ Public $mobile; Public $captcha; Public $password; /** * @inheritdoc*/ Public functionrules () {return [ [[' Mobile ', ' captcha

Several data persistence scenarios in iOS

IntroductionThe so-called persistence is to save the data to the hard disk so that the previously saved data can continue to be accessed after the application or machine restarts. There are many scenarios for data persistence in iOS development, and

JS Event Monitor mobile phone screen Touch Event touch

JS Mobile Client-touch screen swipe eventThe effect of mobile touch screen sliding is actually the picture carousel, which is well implemented on the PC's page, binding the click and MouseOver events to complete. But on mobile devices, to achieve

IOS----------Some understanding of Udid and UUID

I. UDID (Unique Device Identifier)UDID is an abbreviation for unique device identifier, in Chinese meaning it is a unique identifier.It is often used in many applications where an account is limited to one device, and in the Symbian era, we use the

jquery Append, prepend, before, etc.

1.jQuery Append () methodThe JQuery append () method inserts the content at the end of the selected element.InstanceCopy CodeThe code is as follows:$ ("P"). Append ("Some appended text.");2.jQuery prepend () methodThe JQuery prepend () method

Android Lollipop new Features-Palette; get picture color

Android Lollipop new Features-Palette Palette, launched after Android 5.0, allows us to extract the colors we need from a single bitmap to make the UI style more aesthetically pleasing. For example, we can extract the color from the picture

Android performance Optimization section (ii)---memory monitor to detect leaks

Some of the theoretical aspects of performance optimization, mainly to review, with the theory, Comrade Xiaoping said again, practice is the only standard to test the truth, for memory leaks, now through the Android Studio self-brought tool memory

App. Config Detailed

App. Config DetailedThe application configuration file is a standard XML file, and XML tags and attributes are case-sensitive. It can be changed as needed, and developers can use the configuration file to change the settings without having to

Absolute layout and relative layout of iOS development (screen fit)

Before the Web front page of the small partners, see absolute positioning and relative positioning is not unfamiliar, and the use is very convenient. There are also absolute and relative positioning in the UI design of iOS, and the absolute

The difference between include <iostream> and include <iostream.h> in C + +---->

To put it simply:. h is the header file for standard C, and No. h is the standard C + + header file, both of which are header files. The reason for the difference between these two forms is that the development history of C + + is decided, just

JQuery appends elements to methods such as Append, prepend, before, after

The Append () method inserts the content at the end of the selected element.The Prepend () method inserts the content at the beginning of the selected element.The After () method inserts content after the selected element.The Before () method

Gradle Configuration and Packaging application variants for project construction under Android Studio

Gradle Introduction?? Gradle is an automated build tool that uses groovy's domain specific Language (domain-specific language) to describe and control building logic. It has the features of simple syntax, strong readability and flexible

[Android Pro] Android7.0 system for Android get flowmeter number Trafficstats.getuidrxbytes (UID) and trafficstats.getuidtxbytes (UID) return-1 solution

reference:http://blog.csdn.net/zhangyong7112/article/details/54574214A recent project on the flow of the Android7.0 system to run on the phone, has been not access to traffic data, view the source and then found Trafficstats.getuidrxbytes (UID) and

Asp. The difference between the net:application,session,cookie,viewstate and the cache

In ASP. NET, there are many kinds of objects that hold information. For example: Application,session,cookie,viewstate and cache, so what's the difference? What is the environment in which each object is applied?To get a clearer picture, we summarize

"Deep decomposition" listening to the fun Pat cloud product Manager Anatomy Video Basics

Flower Wei fun Pat Cloud product ManagerDeep Decomposition Video Basics"Video technology has grown to a more than 100-year history, although it is shorter than the history of photography, but it has been the most important medium for a long time in

Android picture loading frame Most fully parsed (i), glide basic usage

Reprint Please specify source: http://blog.csdn.net/guolin_blog/article/details/53759439 This article is posted in my public number, sweep the bottom of the article QR code or search Guo Lin can pay attention to, every day there are

Mobile return return contact form submission and related compatibility

Sometimes we want the enter key to be in the text box (input Element) to submit the form (form), but sometimes it's not desirable. such as search behavior, I hope to enter the keyword immediately after the key to submit the form, and some complex

The use of call (), apply (), bind () in JavaScript is finally understood

In fact is a very simple thing, seriously watch 10 minutes from a face to the full understanding of the B!Let's look at the following:  Example 1Obj.objage; 17Obj.myfun ()//Xiao Zhang age undefined  Example 2 Shows ()//Blind MonkCompare the

Asp. The difference between the net:application,session,cookie,viewstate and the cache

In ASP. NET, there are many kinds of objects that hold information. For example: Application,session,cookie,viewstate and cache, so what's the difference? What is the environment in which each object is applied?To get a clearer picture, we summarize

Apple disables hot update

Original title: Apple disabling hot update may also not tolerate these "gray behavior"Reprint Address: http://sd.china.com.cn/a/2017/keji_0313/892062.htmlOn the evening of March 8, an email from Apple exploded in a group of domestic app developers.

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