I read this blog https: www.cnblogs.com nullc... while learning about js s parasitic composition inheritance, and I don t quite understand one of them. Paste it here and ask: parasitic combinatorial inheritance: inherits properties by borrowing co...
Code: <script> function Dog(){} var dog = new Dog(); var dog1 = Object.create(dog); console.log(dog1._proto_); console.log(Object.getPrototypeOf(dog1)); < script> ...
echart echarts function _PercentPie (options) { this.backgroundColor = options.backgroundColor || -sharpfff this.color = options.color this.fontSize = options.fontSize || 14px this.domEle = options.domEle this.va...
problem description I am the first time to use Vue+typescript to organize a project, and now I encounter a problem, that is, I mount the encapsulated axios to Vue.prototype, and there is no problem in using it, but TS will make an error? related cod...
I javascript A novice, recently encountered a problem that I have been unable to understand, as follows: var A = function() { return new B() } var B = function() { this.name = B } var a = A() console.log(Object.getPrototypeOf(a) == B.pro...
ladies and gentlemen, I am using tornado setcookie, but the requester is the same as my first-level domain name, for example, both are baidu.com, but our second-level domain name is different. For example, my interface server (tornado side) is I, and the...
for example, the password input box needs to be selected automatically after clicking. There is no problem for ordinary input to implement this function with vue official code (iview Input focus = "selectAll "), but iview has no effect. Is there a mast...
private void button3_Click(object sender, EventArgs e) { Process p = new Process(); string path = @"H: src wel.py"; p.StartInfo.FileName = @"E: Python Python36 python.exe"; ...
print it out as undefined ...
take easyrsa. I remember it was 2 at first, and then 3 . If 3, the directory originally copied has the version number, and the latest usr share easy-rsa file directory has changed, and the version number has been moved to a subdirectory. so it cha...