Programmer Group

Train of thought: Using the front-end plug-in of clipper, the pictures are cropped. The screenshot generated by clipper is a series of base64 codes, and then it is converted to blob format, which is transmitted to the back-end for storage. In short, it means that the front-end cut pictures are sent to the back-end, rat ...

Today's release of this may be the most careless one of their own, a lot of problems want to understand, but when doing it, they found that not as they imagined, but also slowly debugging, on-line check a lot of methods are always not working, or their own grope out! Front end display + verification + background query, ...

SnailDev.GifMaker A tool for generating gif and adding custom subtitles client wechat applet server nodejs + express Welcome star&fork If you have a good commit pull request Introduction Refer to sorry , written by @ xtyxtyx However, this tool does not use aegisub to create subtitles for template videos. Instead, it uses filter drawtext in ...

Official: Axios is a promise based HTTP library that can be used in browsers and node.js Here is English document And found on kancloud Chinese document Install under the vue project (here is a simple example of using the project created by vue CLI) $ npm i axios Enter src/main.js to import axios import axios f ...

Template extraction We've learned about the other definition forms of Vue templates, using < template > < template >. <!-- Template is pulled out --> <template id="home"> <div>home page</div> </template> <template id="news"> <div>Jour ...

Transform transform Move, rotate, scale elements horizontally transform does not affect the layout of other elements Value: none| //html <ul> <li class="item-1"><span>Initial state</span></li> <li class="item-2"><span>translation</span></li> ...

I. Preface Using Jsoup + HttpClient (combination I) can basically crawl a lot of information we need. The combination of Xpath + HtmlUnit (combination II) is even more powerful, and it can be competent for combination I no matter in terms of selection or analysis. Here is a simple example to show the main technologies: ① simul ...

Homologous strategy Balabalabala (the definition doesn't need to be mentioned, simply speaking, the protocol, port and domain name should be the same.) Note: the difference caused by protocol and port is not within the scope of front-end solution JSONP The principle of jsonp is very simple. It is to create s ...

The comparison between Var and let in JavaScript is a commonplace problem. Let's talk about these two keywords today Variable lifting First of all, the variables are upgraded. var can be upgraded, but let can't. I think that's a good thing. When it comes to variable promotion, let's talk about function function test() { ...

window case 1, Demand analysis: 1. Create a page **There are two entries and a button **There is an event on the button: pop up a new window 2. Create a pop-up page * form **One button per line, name and number **Button corresponding to an event: assign the current number and name to the corresponding position ...