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Tag: man
Excel in the workplace: Get rid of manual counting and use it to increase work efficiency 10 times
In the workplace, we often have the need to count data based on specific conditions. For example, counting the number of people in a certain department, or judging whether records that meet the conditions exist in the data table. At this time, the countif function is simply not easy to use. So, today I will […]
Database Management – Issue 116 Oracle Exadata 06-ESS-Part 2 (202301114)
Database Management-Issue 116 Oracle Exadata 06-ESS-Part 2 (202301114) It has been a full week since the last serious technology sharing, and 11 days have passed since the last Exadata special article. Today I finished writing ESS in one go. After all, I have to fly to Beijing again tomorrow. 1 Smart Scan In fact, smart […]
Linux performance optimization using Tuned configuration optimization solution
Write in front Organizing notes related to exams The blog post covers a simple understanding of Linux tuned tuning tools A brief description of tuning configuration files and an introduction to custom tuning solutions If you don’t understand enough, please help me correct it. There is only one true responsibility for everyone: to find themselves. […]
A brief discussion on using FlinkKafkaProducer to implement Exactly Once semantics on the sink side
Abstract In some important flink data processing scenarios, it is necessary to implement Exactly Once data processing. Exactly Once means that when flink processes data, it can ensure that data is not lost and data is not repeated. The entire flink processing link is roughly divided into three links: Source -> Transform -> Sink. Selecting […]
AssetManager resource management and release of cocosCreator
Version: 3.4.0 Language: TypeScript Environment: Mac Review There are two previous blogs that explain: cocosCreator’s resources dynamic loading and preloading tells about static reference resources, dynamic loading and preloading. cocosCreator’s Bundle talks about the use of AssetManager’s built-in Bundles and custom Bundles The simple understanding is related to the use of static and dynamic reference […]
Thoughts on MySQL optimization two [Performance analysis tools, optimization principles]
In actual work, we inevitably need to analyze and optimize SQL predictions. Today we will take a look at the relevant content: SQL performance analysis SQL optimization principles 1 SQL performance analysis Performance analysis of SQL mainly includes: View slow SQL View through profile details explain execution plan 1.1 View slow SQL SQL execution frequency […]
Explosive performance! Python multi-process mode implements multi-core CPU parallel computing
Article directory Preface 1. Multi-process mode in Python 2. Methods to improve program execution efficiency 1. Multiple processes execute tasks concurrently 2. Process pool 3.Message queue 4. Shared memory 5.Asynchronous IO Summarize About Python technical reserves 1. Learning routes in all directions of Python 2. Python basic learning video 3. Excellent Python learning books 4. […]
Git command line usage guide
Git command line usage guide Part One: Configuring Git 1.1 Set user information 1.2 Configure line break processing Part 2: Create and configure the warehouse 2.1 Initialize the warehouse 2.2 Clone the repository 2.3 Recursive cloning 2.4 Deep cloning Part 3: Basic Operations 3.1 Add files 3.2 Commit changes 3.3 View status and submission history […]
iManager&cloud suite supports configuring kingbase
Author yangjunlin Foreword More and more secret-related units have gradually increased their requirements for the Xinchuang environment, and service applications are also increasingly dependent on domestic databases. The open source database in the SuperGraph iManager for k8s product is replaced with domestic databases such as Kingbase. Customer needs and scenarios will follow. Therefore, this article […]