Coding Development

Java download and installation tutorialOracle official website download address:https://www.oracle.com/java/t…1. Select this version for the windows system2. Select the installation path […]

Definition and Usage mb_substr– get partial string Version support PHP4 PHP5 PHP7 support support support 5.4.8 null is passed in […]

brief introduction gentlemanIt is a fully functionalplug-in unitDriven HTTP client.gentlemanBased on the principle of extensibility, rich and reusable HTTP clients […]

Description and introduction docker inspectIt is a native command of the docker client to view the underlying basic information of […]

Hadoop learning notes – Yarn @(Hadoop)[hadoop, yarn] [TOC] In my last job, I was mainly responsible for the construction of […]