Programmer Think

Falling in love with Program Network (http://www.aichengxu.com/android) Reason: This website is in the work of Google to find problems, and then found that there are many articles inside, after all, I usually prefer to read technical articles, what I want to understand, what I do not know in-depth, this is not, want to reptile work, is still ...

When crawling websites, we encounter verification codes, so what methods do we have for the program to automatically identify verification codes? In fact, there are many coding platforms on the Internet, but all of them need money. But it is a waste to access the coding platform only by crawling data points. So Baidu's free orc is just availabl ...

Introduces some concepts and mechanisms about Bitcoin. For a better understanding, this paper implements a simple block chain prototype based on JavaScript, and then enriches it. 1. Overview Components of the block chain model described earlier include blocks, block chains made of blocks, and data persistence layers that hold block chains.A ver ...

node command line tutorial This article first introduces the native node.js for command line interaction, understanding the native api, and then implementing a complete interactive command line tool using commander.js and inquirer.js.Project Address process The process object is a global variable that provides information about and controls the ...

1. Brief introduction Because it's a brief introduction, there's no complicated explanation here. Volley is a network framework produced by the google method. It was released at the Goolge IO 2013 conference. Now, it can be seen in Android development Training. Training Introduces the Original Address This address needs to be turned over ...

Environmental preparation: Global installation jade: NPM install jade-g Initialize the project package.json: npm init --yes After the installation is complete, you can use jade --help to view the command line usage of jade 1. Create a new index.jade file under the project directory inde.jade code: 1 doctype html 2 html 3 head 4 met ...

Even useless for iOS developers YTKNetwork Framework I've probably seen it, I've heard it.It is an open source network request framework for ape library technical teams, encapsulating AFNetworking internally.It instantiates each request, manages its life cycle, and can manage multiple requests. Before explaining the source code formall ...

Preface A good application must be a better cache.android can save data offline either in a file or in sqlite.Today, the author is here to share how to save the file.For example, a news app can also display previously viewed news information while offline. Imagine if there is no network or network acquisition fails, and if there is no cached ...

How to use webpack in a project Simple babel and webpack have been configured in the project to run npm directly run start At this point, you will find that the bundle.js is so large that it is certainly unacceptable, so the main purpose of the next chapter is to split individual files. Optimize projects for multiple files. Separation ...

For the web, string processing is particularly important, and regular expression is a sharp tool for string processing. It can be seen in character filtering and verification. Today, we need to deal with a json string. In the process of using String.replaceAll, we encounter an awkward situation where regular expressions can't be written. So it' ...