Html Input Only Letters

Touch screen phone input will draw a virtual keyboard in the interface, for input characters, you can use in all applications. Especially in text messages and mailboxes, such as the need for frequent input text, the input speed directly affect the user's operating efficiency. Disadvantage but also full keyboard input, touch screen without physical buttons high efficiency, the reason is: 1. Input method needs to locate the position of the finger, such as the hands of a computer keyboard, the left index finger positioned in the F key, the right middle finger positioned in the J key, and touch screen can not be like the button convex or input feeling positioning, it is difficult to form efficient blind. 2. Touch screen itself ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall two days ago to see a comment on the mobile Internet article, which has a very agree, That's the bad thing about the typing of a smart machine, too inconvenient. 　　This morning when the car suddenly thought of this topic, a little thought, to share with you. With what ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall people say the details determine success or failure, SEO should be so, but now deep experience. A small detail is not good, may affect your SEO will be very big. 　　It may seem alarmist to say this, but if you look at the following, you may change your mind. Do not know how many sites ...

In this lesson, we want to learn how to increase the intelligent processing capacity of the Web page. Basic functions Welcome to the third and final lesson of this tutorial. If you've learned the first and second lessons, you've mastered the basics of installing and programming MySQL and PHP. Here are some of the other functions of PHP that might be useful to you and make your development process simpler. 　　First, let's look at the document. You should know some basic concepts of the header file, right? The header file is an external file whose contents are included in the main program. ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall recently busy building blog, when the content positioning well, the first thing to solve is the space and domain name problems, As everyone will consider, what kind of domain name is better? What kind of domain name for the development of the site after the benefits? What kind of domain name is helpful to SEO? Because I built a personal blog, so ready to take me ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall [core Tip] identifying distorted captcha is not the only way to discern humans, 　　So how should designers change the captcha? What should be the design of a mobile device verification code that might be coming up? 　　What is a CAPTCHA? In the eyes of ordinary users, the verification code is a disgusting thing, ...

The problem of the application of so many micro-blog, the number of applications http://www.aliyun.com/zixun/aggregation/11113.html "> NetEase Weibo motivation is the most impure, because its word limit is not the legendary 140 words, but 163 words." I felt very cute, so I registered, and never logged in. Today in Renren forwarding status, prompted me more than 140 words, suddenly curious about what everyone is busy, why, in addition to NetEase Weibo, are limited by 140 words ...

This is the main example of Taobao's login interface. First Look at: 1: Taobao did not use the "username" the most common name, but the use of "account name", perhaps Taobao think this more accurate, but most users do not care about this. 2 input box gives a hint: You can enter "mobile phone number/member name/Mailbox", which for different sites have different account users have a very good reminder role. For example, I have forgotten about three Taobao accounts. In addition there is a reason to mention: I am not clear Taobao members and Alipay members to ...

As PHP programmers, especially novices, always know too little about the dangers of the Internet, for many of the external invasion are at a loss what to do, they do not know how hackers invaded, submitted to the invasion, upload vulnerabilities, sql Injection, cross-scripting and more. As a basic precaution you need to be aware of your external commits and do a good job with the first side of the security mechanism to handle the firewall. Rule 1: Never trust external data or enter information about Web application security, the first thing you must recognize is that you should not trust external data. External data (outside d ...

The most common design is the word "user expectations," but what exactly is the design that meets the expectations of the user? How to do it? Each design has its own characteristics that cause it to have a certain hint, so that users feel that this thing should be used in this way, but when our design is not such support, then users will have confusion and complaints. Example 1. When participating in the design of mobile phone map, there is a design: at the top of the map has a search site search box, click it will lead to the right side of the page. Clearly is an input box, ...