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Even if is the simplest requirement, and different programmers will write code that is not the same:Requirements: Top-up procedures are not eligible to recharge the amount of money, that can only be charged to 100, 200, 500, 1000 amount, other worry:1. Novice programmers may write this, though readable, code-verbose, and not elegant.$ (function () { var recharge = +; if (Recharge | | | recharge | | | = = Recharge | | recharge = +

For the company's development needs, this summer I began to engage in Ruby on Rails, in my spare time to make an online note application: http://raysnote.com. This is a minimalist and elegant note-taking website (at least I personally think so). Notes Support WYSIWYG editor, markdown syntax, always preview, code highlighting, tables, mathematical formulas, etc. In addition, there is the ability to save web articles (like read it later). For a person w

You must be familiar with the client (browser) compatibility problem in JS framework development. Normally, we use if to deal with interface inconsistencies and piles of bugs. However, the methods described here can make compatibility more elegant. The underlying interface compatibility is nothing more than using if to determine which interface the client supports. The most famous example is the event: The Code is as follows: Var addEvent = functi

The elegant method for asynchronous callback of Nodejs, nodejs asynchronous callback Preface The biggest highlight of Nodejs is its event-driven, non-blocking I/O model, which makes Nodejs highly concurrent processing capability and is very suitable for compiling network applications. In Nodejs, most of the I/O operations are asynchronous, that is, the results of I/O operations must be basically processed in the callback function, for example, the fol

This article mainly introduces the use of require_once in functions. the elegant configuration file definition method is recommended, and a static class is used to define the configuration file to win, perfect solution to the problem of using require_once in the function. For more information, see Background In projects, many people prefer to use arrays in the configuration file to configure various configuration items, such as hierarchical configura

probably have their own answers in mind. The pursuit of short code, can be through different methods, as long as the choice can improve the readability of the method, in fact, not. The code in the title, for example, is not yet short and elegant, so it can be shorter and easier to read (this line is less than 80 characters), which is usually a more recommended practice. userList=[line.split(":")forlineinopen("user.txt")ifline]Wasting time "optimizi

I. Why is the Nginx error page elegantly displayed?When we access a website, errors such as 403,404,503 may occur frequently due to special reasons, which greatly affects the user's access experience. Therefore, it is necessary to make an elegant display of the error page, to improve the user's browsing experience. Ii. How can I define an elegant display page in Nginx?The following uses Error 404 as an exam

PHP is called the dirty but quick programming language. Despite the fact that PHP programs are not concise and elegant to other programming language users, we can use some excellent programming habits to make PHP code look more comfortable and elegant. What are the methods? Let's talk about it one by one.1. Plan the code structure Good PHP code should have a clear structure. PHP object-oriented features all

Python uses the arrow library to handle time data in an elegant manner. Preface We should all know that we have to deal with time in many times, but the time processing module in the Python standard library is actually not very friendly. Why do I say this? Because I believe that most people query documents almost every time they process time data, such as interchange between time and text formats, and increasing or decreasing time, it is not easy to p

Using Laravel to generate an elegant method for Gravatar Avatar address, laravelgravatar Preface Gravatar profile pictures have become a very popular profile picture for blogs, forums, and so on, whether it is Wordpress, Z-Blog, Typecho, Emlog, etc. Gravatar profile pictures are supported for messages or login registration, the Laravel Gravatar extension package provides the simplest and most elegant way to