Programmer Think

A - TT count ducks meaning of the title On this day, TT was suffering from the epidemic at home. After one hour's inhalation of cat in the cloud, TT decided to go to the mountain nearby. TT came to a small lake and saw many ducks playing by the lake. TT was envious. At this time, he found that every ...

1. Functional requirements Use TemplatePart to implement the two requirements of the previous article (hide the HeaderContentPresenter when the Header is empty, and the HeaderContentPresent is translucent when the mouse is not placed on the control). Although the function has been implemented, the implementation will basically not be extended. ...

1 purpose of course design This course is designed to deepen students' basic knowledge of the course of computer composition principle, further understand some algorithms of computer composition principle, and carry out specific implementation, so as to improve the comprehensive application ability of a ...

Popular understanding of spring source code (6) -- Analysis of default tags (import, alias, beans) The parseDefaultElement method of documentReader is mentioned in the previous section. From this point on, various labels are parsed. Among them, bean label parsing is the most complex. So let's first look at the other three default labels pr ...

API . Training neural network needs many steps. You need to specify how to input training data, initialize model parameters, perform forward and backward transfers in the network, update weights based on calculated gradients, perform model checkpoints, and so on. Most of these steps will eventually be repeated during the forecast process. For ...

Google announced Kotlin as the official Android and development language at the I/O conference in 2017, and Android Studio also provides full support for Kotlin. How do I run kotlin's code?adopt https://try.kotlinlang.org Or IDEA and other IDEs that support Kotlin write directly on top of it, and then run away. Here's the main record of how to ...

Product dimension data loading (zipper table) Zipper watch design: 1. Collect the full data of the day and store it in the ND (current day) table. 2. You can take out yesterday's full data from the history table and store it in the OD (last day's data) table. 3. ND-OD is the data added and changed on ...

Recently, we are developing a page to display pictures in batches. The adaptive arrangement of pictures is an unavoidable problem After paying for a lot of hair, I finally finished the picture arrangement and encapsulated it into components. The final effect is as follows     1, Design ideas In order to make the structure clear, I process the ...

1 General Visitor pattern is a behavior pattern, which is not commonly used. It can separate the algorithmic logic acting on the object from the object itself. 2 visitor mode When we need to operate on a group of similar types of objects, we can maintain the operation logic within each object separately, but this violates the principle of singl ...

First C#Program using System; namespace HelloWorldApplication // Namespace Declarations { /* Class name is HelloWorld */ class HelloWorld // A class { /* main function */ static void Main(string[] args) { /* My First C#Program */ Console.WriteLine("Hello World!"); Co ...