Recently, Koa has been used frequently for server-side development and has become fascinated with its onion model, which makes it great.And koa is mainly streamlined, there is not a lot of integration, everything needs to be loaded on demand, this is more to my taste.
In contrast to express's middleware, express's middleware uses concatenation, ...
Added by darkke on Sun, 14 Jun 2020 19:21:23 +0300
3 Otsu threshold segmentation
3.1 classical Otsu method
3.2 Otsu method with multiple thresholds
3.3 multi threshold Otsu method 2
4 genetic algorithm design
4.1 individual code
4.2 mating operation
4.2.1 single location and single point crossing
4.2.2 mu ...
Added by tigomark on Sun, 14 Jun 2020 11:27:50 +0300
Learning notes from "Python Programming: from introduction to practice" (by Eric Matthes of the United States). Mainly for Python 3.
Python uses indentation to determine the relationship between a line of code and the previous line of code. In the previous example, the lines of code that d ...
Added by cli_man on Sun, 14 Jun 2020 06:59:49 +0300
MapReduce actual case, MapTask operation mechanism, ReduceTask operation mechanism, MapReduce execution process, hadoop data compression, implementation of Join algorithm
MapReduce actual case
Reverse order of upstream traffic
Cell phone number division
MapTask operation mechanism
Operation proces ...
Added by Fergal Andrews on Sat, 13 Jun 2020 09:39:07 +0300
1 \. Initialization
1.1 overall initialization
1.2 partial initialization
2 \. Arrays and pointers
3 \. Functions and arrays
3.1 passing arrays to functions
3.2 return array from function
4 \. Multidimensional array
4.2 initialize 2D array
Added by Ben Phelps on Sat, 13 Jun 2020 05:38:09 +0300
When writing a blog, you often need to show the directory structure of the project. My computer is windows, and the tree command is not very effective. If you can use Node, you can use Node! So I found several cross platform ones. namely tree-cli and tree-node-cli These two are one author. Among them, tree node cli is more suitable for Linux us ...
Added by feyd on Thu, 11 Jun 2020 06:20:57 +0300
The article has been included in Github.com/niumoo/JavaNotes , and Java programmers need to master the core knowledge. Welcome to Star and advice.
Welcome to my official account , articles are updated weekly.
As one of the most commonly used collection classes, HashMap needs to be understood in a simple way. This article will go deep into the ...
Added by mediabob on Thu, 11 Jun 2020 06:09:09 +0300
WeChat official account: click on blue font, small white image and visual attention.
About technology, focus on yyfilence00. If there are any questions or suggestions, please official account message.
Organize knowledge and learn notes
Publish journal, essay, what you see and what you think
Added by markmuir on Wed, 10 Jun 2020 07:57:14 +0300
Classification of 23 design patterns
Definition of Flyweight pattern: using sharing technology to support reuse of a large number of fine-grained objects. It can reduce the number of objects to be created and avoid the cost of a large number of similar classes by sharing the existing o ...
Added by bronzemonkey on Wed, 10 Jun 2020 07:10:32 +0300
An event is an action of a user, and event handling is a function that handles that action.In this section, let's look at event handling in JS.
Three ways to add event handling
Add in line
Label Attribute Add
Add Event Listening
Click and double click events
Mouse even ...
Added by Grim... on Tue, 09 Jun 2020 19:10:37 +0300