Course Elementary 13355
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 81802
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 12818
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24272
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27058
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
Is there the concept of optimistic locking in TP5.1? I don't see it mentioned in the manual.
2019-04-13 16:14:11 0 0 1258
PHP - The choice between pessimistic locking and optimistic locking under high concurrency
2017-05-16 13:05:01 0 4 937
2017-05-18 10:54:38 0 1 812
php - What is the role of memcache locking?
2017-05-16 13:00:31 0 1 378
php - How to ensure data security when one operation requests multiple services?
2017-05-25 15:08:18 0 3 933
Course Introduction：The difference between explicit table locking in MySQL and InnoDB row-level locking is the lock granularity and applicable scenarios. Explicit table locking locks the entire table through the LOCKTABLES statement, suitable for backup or batch updates; InnoDB row-level locking locks affected rows through transactions and indexes, suitable for high concurrency environments.
2025-04-07 comment 0 734
Course Introduction：Optimistic Locking in MySQLWhile MySQL does not natively support optimistic locking, it can be implemented through standard...
2024-10-26 comment 0 620
Course Introduction：Recursive Locking in GoIn Go's sync package, the Mutex data structure does not support recursive locking. This means that a goroutine cannot...
2024-12-19 comment 0 349
Course Introduction：Understanding Optimistic Locking in MySQLOptimistic locking is a programming practice that helps prevent conflicts when multiple users attempt to...
2024-10-27 comment 0 921
Course Introduction：Locking a Single Row in MyISAM TableIn MySQL, MyISAM tables do not support row-level locking. However, if you require row-level locking...
2024-10-31 comment 0 905
