Python developing music player -- pyqt making music player main interface
This part of the development is really troublesome. Maybe the hair is a little sparse. In the process of development, it was found that the login effect and the way of link simulation login were a little lacking. At last, it was decided to adopt CS framework to separate the front end and the back end, so write the inte ...
Posted by fredroines on Sun, 03 Nov 2019 16:31:02 -0800
Js-web-api (Dom Bom Event Binding Ajax Request Storage)
Dom operation
html is a special structure of xml
dom: browsers structure the html code they get into a model that browsers can recognize and js can operate on
Obtaining DOM Nodes
var div1=document.getElementById('div1');//element
Var divList = document. getElements ByTagName ('div'); // collecti ...
Posted by versatilewt on Wed, 09 Oct 2019 15:43:26 -0700
The Solution of Pirate Sharing Problem by SQL (Greedy Algorithms)
problem
Economically, there is a "pirate dividend" model: five pirates snatched 100 gold coins, and they put forward the plan in the order of drawing lots: first, the allocation plan was put forward by No. 1, then five people voted, more than half agreed that the plan was passed, otherwise he would be thrown into the sea to feed shark ...
Posted by sujithnair on Fri, 04 Oct 2019 12:37:12 -0700
Android Common Design Patterns 10: Build Patterns
For developers, design patterns can sometimes be a barrier, but design patterns can be very useful, beyond which you can move up a notch.In the development of Android, it is necessary to know some design patterns, because design patterns are ubiquitous in Android source code.For students who want to study design mode systematically, here is a B ...
Posted by BenGilbert on Wed, 25 Sep 2019 19:56:45 -0700
Introduction to web Front-end to Practice: Summary of Text Formatting Styles in CSS
Length unit
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
.box{
width: 300px;
height: 30 ...
Posted by manalnor on Tue, 17 Sep 2019 02:39:37 -0700
ES5 Event Bubble-Agent
Event
subject
Write a generic event listener function
Describe event bubbling process
For an infinite drop-down page loading images, how to bind events to each image
Knowledge Points
General Event Binding
Event Bubbling
Agent (i.e. principal, but also the application of event bubbles)
//Ge ...
Posted by stewart715 on Sun, 04 Aug 2019 02:32:04 -0700
Exploring Single Variable
facet_wrap
facet_wrap uses a wavy character and then uses the data variables to be split. Give an example:
facet_wrap(~dob_month, ncol=3)
#Set the column number to 3
facet_wrap uses functions similar to those used
facet_wrap(formula)
facet_wrap(~variable)
facet_grid(formula)
facet_grid(vertical~horizontal)
Drawing Ordinary Graphics
...
Posted by nickdd on Thu, 13 Jun 2019 13:23:13 -0700
TreeJs Realizes Panorama
Firstly, we attach two results maps. Our main functions are the above two. We can browse the panorama, put panoramic markers on the map and realize attribute query.
Note: Not all pictures can be used as panoramas. You can download panoramas from special websites and use them. Some bad panoramas can also cause problems of convergence.
I. ...
Posted by mebar3 on Sat, 08 Jun 2019 15:14:41 -0700
How many bombs can your landlord take?
Recently, I'm bored. I want to know how likely I can get a bomb if I play with the landlord (four cards of the same number or a king of the same size). But I was not good at probability, so I thought of using statistics to try. I wrote a program to simulate the licensing process of the landlord.
Object-Oriented Card
Firstly, according to OOP, I ...
Posted by teejayuu on Sat, 18 May 2019 10:27:41 -0700
Learn to Make Wheels Together (1): Write a Promises/A+compliant promise from scratch
This article is the first in a series of wheels. We will start from scratch to write a promise that meets the Promises/A+specification. This series of articles will select some of the more classic front-end wheels for source code analysis and gradually implement them from scratch. This series will learn Promises/A+, Redux, react-redux, vue, do ...
Posted by insrtsnhere13 on Fri, 17 May 2019 01:52:45 -0700