Classic pattern font

21 Sep 2024

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28 Jun 2024

Click the [Toolbar] icon in the upper right corner of the page. Click the [Material Management] menu in the toolbar. Click the [Font] menu on the material management page to proceed to the next step. Finally choose your favorite font.

20 Mar 2017

The simple factory pattern uses a method to determine which class instance to create, and these instances often have the same interface. This pattern is mainly used when the type to be instantiated is not determined at compile time, but at execution time. decision situation. To put it simply, it's like the beverage machine in the company's pantry. You want coffee or milk depending on which button you press. The simple factory pattern is also very useful when creating ajax objects. Previously I wrote a library that handles asynchronous ajax nesting. The address is https://github.com/AlloyTeam/DanceRequest. This library provides...

20 Mar 2017

Peter Seibel, author of "Practical Common Lisp" once said that if you need a pattern, something is wrong. The problem he refers to is that because of the inherent flaws of language, he has to find and summarize a general solution. Whether it is a weakly typed or strongly typed language, a static or dynamic language, an imperative or a declarative language, every language has its inherent advantages and disadvantages. A Jamaican athlete has some advantages in sprinting and even boxing, but lacks in practicing yoga. Warlocks and Shadow Priests can easily become excellent supports, but an enemy Mage flying around the map with Macon on his back will be a little...

20 Mar 2017

The meaning of the strategy pattern is to define a series of algorithms, encapsulate them one by one, and make them interchangeable. A small example can make it clear to us. Recall the animate method in jquery. $( div ).animate( {'left: 200px'}, 1000, 'linear' ); // Uniform motion $( div ).animate( {'left: 200px'}, 1000 , 'cubic' ); //The two codes for cubic easing both make the div move at 1000ms..

16 May 2016

The Observer pattern, also called the Observer pattern, is one of the 23 software design patterns proposed by the GoF. The Observer pattern is one of the behavioral patterns. Its function is to automatically notify other associated objects and automatically refresh the object state when the state of an object changes.