Last article: Factory mode
1. What is abstract factory mode?
In the last article, we also said that the abstract factory pattern can be said to be a super factory, through which other factories can be created. In the abstract factory pattern, the interface is the factory responsible for creating ...
Posted on Thu, 16 Jan 2020 00:35:04 -0800 by wiegs
This is a reprint of the article, the original link is as follows. In case of infringement, delete after contact.link
The unique identification must satisfy two characteristics to solve the problem of locating the unique equipment perfectly, but the solution to this problem is doomed to be close to perf ...
Posted on Tue, 14 Jan 2020 23:08:12 -0800 by thepreacher
Wind energy is a kind of clean energy in development, which is inexhaustible. Of course, meteorological conditions and social and natural conditions should be taken into account first. In recent years, China's offshore and onshore wind power has developed rapidly. Sea water and land provide a good geological guarantee for our wind power ...
Posted on Sun, 12 Jan 2020 17:53:12 -0800 by soloslinger
Start a new terminal
Jump to Project Directory
Configure the IP address of the connection
Open chassis to run program
Open Keyboard Control Program
Open debugging window
Open Coordina ...
Posted on Sun, 12 Jan 2020 17:23:39 -0800 by samip1983
After the data is displayed, it is found that the time column is a time stamp, so a global filter should be written to convert the time stamp into time
/* Define a global filter to change the timestamp passed from the background into a custom event style */
Vue.filter('dateFormat', function (originVal) ...
Posted on Fri, 10 Jan 2020 23:25:45 -0800 by west4me
1) Standard import and export refers to the function of import and export based on standard components, which does not require extended development.At the same time, both import and export are entity-based and can be operated on by Excel through entity operations.
2) Feature introduction
Posted on Fri, 10 Jan 2020 18:55:29 -0800 by matt_4013
1, In general, a Tomcat site can not cope with the complex and diverse requests of too many customers due to possible single point of failure. It cannot be used in production environment alone. So we need a more reliable solution to improve the web site architecture. At present, many large enterprises use nginx server as direct ...
Posted on Wed, 08 Jan 2020 07:30:34 -0800 by irving
When there are too many incoming background parameters and these parameters belong to a certain class, these parameters can be encapsulated into an object to form an object array. In this way, the parameters of the object itself can be mapped one by one, and the encapsulated object array can be assigned to a parameter. Through ...
Posted on Tue, 07 Jan 2020 00:19:22 -0800 by blintas
1. To dynamically find the rectangle where the mouse is located, you must obtain the size and position attributes of each window and its child controls on the desktop.
In order to obtain these attributes Qt, it seems that there is no relevant API provided. You can only use the windows API EnumWindows and ...
Posted on Mon, 06 Jan 2020 18:56:21 -0800 by neuro4848
We know that there will be background killing on Android systems, and with the update of system versions, there will be an increasing trend in killing processes.The system's starting point is good because it saves memory, reduces power consumption, and avoids some rogue behavior.
But for some applications, the scenario for the ...
Posted on Mon, 06 Jan 2020 18:45:29 -0800 by headrush