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Category: Design Pattern

Design pattern (Design pattern) is a set of code design experience that has been used repeatedly and is known to most people. The use of design patterns is to reusable code, make it easier for others to understand, and ensure code reliability. There is no doubt that design patterns are win-win for others and systems; design patterns make code preparation truly engineering; design patterns are the cornerstone of software engineering, just like the structure of a building.

Erlang – How to let Rebar run ‘make’?

One of my dependencies does not use rebar-it uses Makefile. How can I make rebar run this Makefile instead of trying to compile the source itself?

Please note that I want to continue to use s

September 30, 2021By Simo Design Pattern Erke, make, runLeave a Comment

How to use the product formula to aggregate the return in Excel UDF

I am trying to put the following formula into UDF in order to obtain cumulative return when summarizing monthly returns.

In excel, the formula must be recognized as Array, so when I type in i

September 30, 2021By Simo Design Pattern aggregation, back, excel, Formula, how to use, Product, UDFLeave a Comment

“Creation” in UML and “Instantiate” dependency

According to the UML specification, we can express the dependency between two classes through <>. Or <> stereotype.

Do you know the difference between those stereotypes?

It is written i

September 30, 2021By Simo Design Pattern chemical, Created, dependency, instance, Medium, relationship, UMLLeave a Comment

Dependent injection – RavendB and constructor injection

In my project, I have the following PageCache entity, which is stored in RavenDB:

public class PageCache< br />{
private readonly IHtmlDocumentHelper htmlDocumentHelper;
public string Id {g

September 30, 2021By Simo Design PatternLeave a Comment

Design techniques for synchronous signals through VHDL pipelines

I’m designing a VHDL video pixel data processing pipeline, which involves multiple steps, including multiplication and division.
I want to keep the signals in sync so that I can, for example, keep

September 30, 2021By Simo Design Pattern design, Pipeline, signal, skill, Synchronization, Through, vHDLLeave a Comment

Laravel depends on injection interface design

Assuming I need to do a payment service now, then I will first design an interface

interface PayInterface{
public function pay(Order $order): string;
} Then implement this interface

September 30, 2021By Simo Design Pattern depends, design, injection, Interface, LaravelLeave a Comment

Elastic search polymerization on different keys

I want to aggregate my documents on different keys in the “Category” field.
These are two files:

“date”: 1470271301,
“categories”: {
“1”: [blabla],
“2”: [blala]
}
“date”: 144343545,
“c

September 30, 2021By Simo Design Pattern Different, flexible, keys, polymerization, searchLeave a Comment

OCAML offers multiple dependencies

When I have multiple dependencies, for example

module A = struct
open B< br /> …
end
module B = struct
…
end Is it possible to make OCaml top-level/utop load A.ml with all dependencie

September 30, 2021By Simo Design Pattern dependence, multiple, OCAML, providing, relationshipLeave a Comment

Where is GRAILS asset pipeline configuration grails.assets.excludes?

Where should I configure grails.assets.excludes for the Grails asset pipeline?

According to http://bertramdev.github.io/asset-pipeline/guide/configuration.html, you can include or exclude Ass

September 30, 2021By Simo Design Pattern Asset, Assets, configuration, Excludes, Grails, Grails.assets.exCludes, Pipe, WhereLeave a Comment

How flutter uses configuration file pubspec.yaml to manage third-party dependencies

Official documents

In software development, many times there are some public libraries or SDKs that may be used by many projects. Therefore, separate these codes Extracting an independent mod

September 30, 2021By Simo Design Pattern flutter, for use, How, profile, publicLeave a Comment

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