Note: there are many articles about redis seckill system on the Internet. They are all confused. Then they can realize one by themselves, which is also convenient for later study
The implementation method is to use the list queue of redis, and the framework is laravel
The core part is the pop operation of list. As atomicity, even if many user ...
Posted by cuboidgraphix on Mon, 20 Apr 2020 10:27:27 -0700
The use of coroutine and goroutine of golang
coroutine's process is released after the trunk is finished, and other processes are executed
Automatically exit after goroutine's trunk ends
When the coroutine process of swoole is used, if a dead loop is used, the trunk is running all the time, and resources will not be released. Therefo ...
Posted by doofystyle on Fri, 03 Jan 2020 11:06:56 -0800
Phpstorm is a coding integrated development tool that most PHP programmers can't help but love. It supports all PHP language functions, providing the best code completion, refactoring, real-time error prevention and other functions. But for some new PHP users, there is always a question: is phpstorm free? Obviously, this problem is known to al ...
Posted by McManCSU on Thu, 26 Dec 2019 06:39:05 -0800
Note: this tutorial patches, activation code collection and network, if there is infringement, please contact the author to delete!
On November 28, 2019, JetBrains released Go's strongest editor, GoLand, March 2019. This update software consumes less CPU and faster performance, enhances support for Go Modules, adds a new set of quick fixes, and ...
Posted by angel_cowgirl on Wed, 18 Dec 2019 02:20:06 -0800
1. List command used
Insert one or more values into the list header
Pops up the last value of the list, inserts it into the header of another list, and returns the value
Delete the given value in the list
Get values in the list by index
2. Composition of the queue
Posted by prestonwinfrey on Thu, 21 Nov 2019 11:55:38 -0800
Monitor one or more key s
Declare the start of the transaction, and subsequent commands will be queued for exec execution in order
Execute the command after multi in sequence. If the value of the key monitored by the watch command before multi change ...
Posted by funguse on Thu, 21 Nov 2019 10:42:11 -0800
Actually, everyone in PHP should have heard of bootstrap, right, but some friends were confused by bootstrap's so-called response when they first contacted. Today we're going to talk about bootstrap's simple build page. All you need to do is you have the basic knowledge of HTML and the so-called official manual. It's all done e ...
Posted by bliss322 on Fri, 10 May 2019 08:22:55 -0700
Thumbnail function is often used in the process of uploading pictures on websites. Here I have written an Image class for Image processing, which can generate thumbnails and add watermarks.
2. How to generate thumbnails
The key to generating thumbnails is how to calculate the scaling ratio.
Here, based on several common changes ...
Posted by DeathStar on Wed, 20 Mar 2019 21:00:27 -0700