Tag: c++

The code of life

Kafka practice: Should you put different types of messages on the same topic?

December 21, 2023

by 林宜君

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http://martin.kleppmann.com/2018/01/18/event-types-in-kafka-topic.Kafka theme is one of the most important function can let the consumer specified subset they want to consume news. In extreme cases, it may...

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C++ study notes #25 (2021.6.16)

December 21, 2023

by Joseph Young

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C++ standard library, STL, generic programming standard library >STL is divided into six parts: container and algorithm most important merge sort first recursive, then sort...

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The code of life

Deploy the Web project to the Tomcat step in Eclipse

December 21, 2023

by 梁信宏

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Article source: http://blog.csdn.Eclipse web project to Tomcat default deployment directory is under the construction space, the purpose of this paper is to change the deployment...

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Love C++

December 21, 2023

by Lisa Daniel

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An act with a neutral meaning can be interpreted differently in the eyes of different people. Like you help school sister open the water, if...

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My MQTT protocol and EMQTTD open source project personal understanding (13) – Hook use and connect Kafka to send messages, using the Brod library

December 21, 2023

by Patricia Russell

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The Erlang Kafka client library uses brod, https://github.emq uses v2.3.5, and https://github.kafka is prepared for the runtime environment, http://blog.csdn. Let's implement it as a plugin....

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Reading notes on exploring the C++ object model in depth

December 21, 2023

by Amani Chander

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https://www.cnblogs.com/wickedpriest/p/6527181.https://www.cnblogs.com/wickedpriest/p/6580134. I plan to prepare some basic knowledge that will be asked in the interview from now on, including C++, operation system...

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CentOS 7 use experience, common terminal commands (★firecat recommended ★)

December 21, 2023

by Douglas Perez

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Nuggets is a community that helps developers grow. It's Hacker News for developers, Designer News for designers, and Medium for product managers. The technical articles...

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The back-end

C/C++ programming Notes: The C++ library provides four smart Pointers! To learn

December 21, 2023

by Melissa Jenkins

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The C++ library provides implementations of the following types of smart Pointers: auto_ptrunique_ptrshared_ptrweak_ptr they are all declared in an in-memory header file. Auto_ptr This type...

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Open source project recommendation: Microsoft acquired embedded real-time operating system, Azure RTOS ThreadX

December 21, 2023

by Paul Haines-Burr

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Express Logic, the company behind ThreadX, was acquired by Microsoft in April 2019. After more than a year of preparation, Microsoft wrapped ThreadX as Azure...

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reading

C++ language tutorial -15 common string operations

December 21, 2023

by Patricia Russell

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strcat(s1, s2); Splice S2 to s1. strlen(s1); Returns the s1 length. #include <string.

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reading

C++ -3 data types, variables and constants

December 21, 2023

by William Turner

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Variables: Variables should be declared before they are used. Declare it as follows. The idea behind a variable is to give a name to an...

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Simple UML class diagrams

December 21, 2023

by Chloe Webb

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Article source: http://www.uml.org.cn/oobject/201211231. Of the 13 diagrams in UML 2.0, the class diagram is one of the most frequently used UML diagrams. Martin Fowler in...

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IO series 3: The IO model in Unix: Help you figure out blocking vs. non-blocking, synchronous vs. asynchronous

December 21, 2023

by Ritvik Sule

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Since this book is written for Unix programming, the IO model may be slightly different in other environments, such as Java, but not by much...

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Qt logging redirects qInstallMessageHandler to output logs to files and networks

December 21, 2023

by Devansh Subramaniam

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Qt contains debugging information of five levels: Debug, Warning, Info, Critical, and Fatal. Qt4 provides qInstallMsgHandler (Qt5: qInstallMessageHandler) to check whether qD...

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High performance high concurrency generation unique Id

December 21, 2023

by 周詩涵

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https://github.

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reading

C++ reference

December 21, 2023

by James Tucker

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A C++ reference reference variable is an alias, that is, it is another name for an existing variable. Once a reference is initialized to a...

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The back-end

MQTT’s C library paho.mqtt. C is automatically reconfigured

December 21, 2023

by 席佳蓉

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Automatic reconnection can be set only in asynchronous interface MQTTAsync, which is not particularly convenient to use. Parameters need to be configured to implement the...

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QT application programming: Write low power BLE Bluetooth debugging assistant (Android APP)

December 21, 2023

by 程詩涵

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QT version: 5.12. Complete project source code download address (including APK file): https://download.csdn. Want to learn QT for Android environment build see here (Win10 version):...

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Principle and implementation of high-performance C++ HTTP client

December 21, 2023

by Renee Zacharia

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HTTP protocol is the common language of the whole Internet, and HTTP Client can be said to be the most basic method we need to...

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reading

C++ introduction tutorial – -2 basic syntax

December 21, 2023

by Iain Roberts

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A semicolon. In C programs, semicolons are statement terminators. (Note that only English characters, not Chinese characters) beginners often confuse Chinese and English. Comment //...

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reading

C++ language introduction 16– String class

December 21, 2023

by 楊怡伶

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len = str3.cout << "str3.

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The back-end

C Programming Notes: The dirty laundry about the for loop!

December 21, 2023

by Mandy Gray-Dunn

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Well, maybe you think I'm writing an article on how to use a for loop ，，，， First of all, I'd like to say that anyone...

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The article takes you inside the structure

December 21, 2023

by Kathleen Malone

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Preface: A fan asked me today, what is the structure? Why a structure? Such questions are perfectly normal for a cute new comer to say,...

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The back-end

C/C++ Programming Notes: operator overloading in C++

December 21, 2023

by Dennis Gray

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In C ++, we can make operators work for user-defined classes. This means that C ++ can provide operators with special meaning for their data...

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(2) Write your own Qt Creator plugin to implement a custom toolbar button

December 21, 2023

by Yashvi Tella

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Before writing qt Creator plug-in yourself, you need to compile the source code of Qt Creator. Use Qt Creator IDE+MSVC2015 compiler combination to compile Qt...

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C + + of the vector

December 21, 2023

by Tiffany Anderson

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The C++ vector class provides an alternative representation for built-in arrays. Like the string class, vector is part of the library introduced with standard C++....

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C++ singleton pattern (★ good article firecat recommended, pay more attention to the original author’s blog ★)

December 21, 2023

by 欒俊傑

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Singleton, also known as singleton or monad, is probably the most widely used design pattern. The intent is to ensure that a class has only...

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Single server support tens of millions of concurrent long connection pressure test — C1000K

December 21, 2023

by Navya Sastry

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http://blog.csdn.https://github.https://github.http://www.ideawu.http://www.ideawu.net/blog/archives/740.http://www.idea wu.net/blog/archives...

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The dilemma of nonlocal static data in multiple compilation units

December 20, 2023

by 熊雅萍

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The title is a bit of a mouthful, so let me explain. Static data includes: namespace domain variables defined in a namespace √ Class domain...

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Order of execution of try Catch Finally with return (most persuasive summary)

December 20, 2023

by Paige Duncan

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1. The finally block executes regardless of whether an exception occurs. 2. Finally is still executed when there is a return ina try and catch;...

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