7 Laravel programming habits help you reduce bugs in your code
The article was forwarded from the professional Laravel developer community. Original link: https://learnku.com/laravel/t... Every line of code we ad...
Java setting PDF document background color
Generally, the default document background color of the generated PDF document is white. We can change the background color of the document by some me...
The use of sync.WaitGroup in collaboration
Scenarios used: When several goroutine s are running at the same time, you need to wait for these processes to complete before doing other operations ...
Causes and consequences of inode occupation
0. Problem description phenomenon After receiving the pin alarm, online Solr server / var partition inode is full. Influence /The var partition can no...
dubbo source code analysis - service invocation process - Notes
Process flow chart of consumer call Calling process of consumer Consumer interface example: Process of receiving message at server NettyHandler. messa...
C ා create Excel chart with multi-level classification labels
Compared with data, charts can more intuitively reflect the trend of data changes. In the data table, the same data value may represent different data...
[C + +] 42 μ type conversion function
Question:Can class types be converted to normal types? #include <iostream> using namespace std; class Test { }; int main() { Test t; int i = 0; ...
Scala: tuples, arrays, maps
Tuple: tuple, aggregation of values of different types.Combine a fixed number of items so that they can be passed as a whole. Unlike arrays or lists, ...
Spring boot integrates mybatis and mapper interface to scan source code analysis
AutoConfiguredMapperScannerRegistrar public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {...
IV. introduction and basic use of Git
16. Organize consecutive multiple commit into one commit ce587039661c88fd508035fd103a012e33c057ac (HEAD -> temp) Author: Jone <[email protected]...
python foundation - 8 (decorator)
I. nonlocal keyword def outer(): num = 0 def inner(): # If you want to modify the value of an external function variable (name) in a nested function ...
Noseparte says: How is a gateway thread pool created in online games
Correct Posture for Java Thread Pool Definition of ThreadPool thread pool and how to create it? Configure ThreadPoolExecutor Manage Task Queue Blockin...
ES6 Foundation - ES6 class
Author| Jeskson Source|Dada Front End Bistro ES - Class Classes and Object Oriented: Object-oriented, that is, everything is object. Object-oriented ...
Detailed Aspects Framework for iOS
We must ask ourselves such tasks: first, to learn, second to learn, and third to learn.- Lenin Today I watched a live Aspects sharing, so I want to wr...
FPGA Foundation (verilog language) - syntax
Introduction to verilog verilog is a language with syntax similar to c, but it is different from c, for example: 1.verilog language is parallel, each ...
SpringBoot configures HTTPS and implements automatic HTTPS access to HTTPS
nginx is recommended for configuring https No further replies will be given to any questions raised in this article. Here's why I wrote this art...
java instance understands the concept of blockchain
The core of blockchain is decentralized storage. Traditional database solutions, including relational database and non relational database, belong to...
Using sentry in hyperf
sentry document: https://docs.sentry.io/ After being familiar with the exception catching mechanism of the hyperf architecture, I think sentry can be ...
Go is fun, 5.20 make a diagram with go / let the words dance
Today, I'd like to introduce an interesting codeThe picture is generated into a pattern of text. Have you seen the GIF of dancing sister composed...
What is java serialization? When is serialization required?
Serialization: the process of converting Java objects into byte streams. Deserialization: the process of converting a byte stream to a Java object. Ja...
Introduction to Kotlin 1 -- one sentence tutorial
1. Define function fun function name (parameter name: type, parameter name: type,...): return type{ ...... } such as fun sum(a: Int, b: Int): Int { r...
I. Basic Introduction to scala
[TOC] I. overview of scala 1.1 INTRODUCTION Scala is a multi paradigm programming language. The original intention of its design is to integrate vari...
Initial knowledge tree and binary tree (basic knowledge explanation and common implementation)
Binary Tree Padding - Tree In the previous articles, the linear table, stack, queue, string, and so on, which we have mainly introduced, are one-to-o...
Custom named thread pool
Let's take a look at the DefaultThreadFactory used by java.util.concurrent.Executors in JDK1.6: /** * The default thread factory */ static class ...
Comparison of java replication methods
1. Background In the actual programming process, we often encounter this situation: there is an object A, at A certain time A already contains some va...
Programming job 20191104082520 (branch and jump) to blog
1 Write a program to read the input, stop reading the #character, and report the number of spaces, line breaks, and all other characters read. #includ...
Spring Security and Spring Session
Extend JSON-based login The client and server timed out and authentication failed due to prolonged interaction on the server.However, the user does no...
Group decision SDUT discrete mathematics OJ4171
Group decision Time Limit: 1000 ms Memory Limit: 65536 KiB Submit Statistic Problem Description Let d be a set of nonnegative subnumbers, and let bin...
Transfer closure SDUT discrete mathematics OJ4175
Transitive closure Time Limit: 1000 ms Memory Limit: 65536 KiB Submit Statistic Problem Description It is known that there are n cattle, m times of c...
Judgement subgroup SDUT discrete mathematics OJ4172
Judgement subgroup Time Limit: 1000 ms Memory Limit: 65536 KiB Submit Statistic Problem Description Given a finite group s and one of its subsets S1,...