Overview If the API interface docked with the front-end is captured by a third party and maliciously tampered with the parameters, it may cause data leakage or even tamper with the data. I mainly focus on the three parts of timestamp, token, and signature to ensure the security of the API interface. 1. After the user successfully logs… Read More »
The current development situation in the technological world is to free developers from tedious application configuration and management, use container images to handle complex program operation-dependent library requirements, and ensure the consistency of the code operating environment. Since the benefits of this are so clear, why doesn’t the infrastructure environment in the enterprise switch to container clusters? The… Read More »
This article mainly records the configuration and writing process of ActiveMQ from installation to application to the project. You quickly configure the application following this post. You can download ActiveMQ from its official website. Modify the configuration First, find the activemq.xml file in the config directory. Then, find the <policyEntries> tag, add the following configuration under the tag… Read More »
Nowadays, SpringCloud-based microservice development is becoming more and more popular, and various open-source projects on the Internet are emerging endlessly. We can refer to open source projects to implement many out-of-the-box functions in actual work, but we must abide by certain conventions and specifications. This post combines some of the problems encountered in our actual development to sort… Read More »
In our daily development, we may casually expose the database password directly in plaintext in the configuration file, which can be done in the development environment, but it is not recommended to do so in the production environment. After all, security is not trivial. No one knows which day the password is somehow leaked. Today we will talk… Read More »
Go 1.16 contains many Modules-related updates, and you can directly view its Release Note for details. Overall, it contains the following points: Go111module is On by default. If you want to restore the previous behavior, you need to set Go111module to Auto, which almost means that the GOPATH mode will gradually fade out of people’s vision; The go… Read More »
Background Pika is a persistent large-capacity redis storage service, compatible with most of the interfaces of string, hash, list, zset, and set (compatibility details), and solves the capacity bottleneck of redis that is insufficient due to the huge amount of stored data. Users can migrate from redis to pika service without modifying any code. It has good compatibility… Read More »
SOLID principle introduction Following practical and clear design principles is conducive to flexible and reliable software design. SOLID is an acronym for the five essential principles of object-oriented design. When we design classes and modules, following the SOLID principles can make the software more robust and stable. Q1: What are the SOLID principles? S – Single responsibility principle… Read More »
In virtual paging storage, the virtual storage space and physical main storage space are divided into pages of fixed size, and the memory allocation for threads is also in units of pages. For example, if the page size is 4K, 4GB/4KB=1M records are needed for 4GB storage space, that is, there are more than 1 million 4KB pages.… Read More »
Redis brief introduction Redis is a key-value database written in c language, open-source, and highly available non-relational database (NoSQL, not just database) type. Unlike traditional databases, Redis data exists in memory, so the read and write performance is not generally high, and can reach 100,000 operations per second, so it is widely used in the cache direction, for… Read More »
Have you ever been in a situation like this? Use the SSH command to enter the server, use the CD command to enter the corresponding directory, and continue your work. This is especially common for novices. In this article, the veteran driver will take you to a more efficient operation, just one step to achieve the desired results.… Read More »
When configuring the server, it is often necessary to check whether the server port is open. If there are only one or two servers, this is easy to do, use the nc command to view them one by one. However, if your server is in a cluster, then there are many ports to be checked? If you still… Read More »
It is rumored that fasthttp is faster than Nginx in some scenarios, indicating that fasthttp should be optimized. Let’s do some benchmark performance tests. The first test to run is a simple hello server benchmarking. The following results are obtained on Mac. There may be differences under Linux. fasthttp Nginx with standard modules Nginx with rust actix and… Read More »
Blue/green deployment is to keep the old version, deploy the new version, then test, confirm and cut the traffic to the latest version, and then, the old version is also upgraded to the latest version. Canary deployment is to choose to deploy a new version, introduce some traffic to the latest version, and the new and old versions… Read More »