Transaction and lock mechanism in Redis Redis’s transaction mechanism is a mechanism that packages multiple commands for execution, ensuring that all of these commands either execute successfully or fail without any intermediate status. In Redis, transactions are implemented through four commands: MULTI, EXEC, DISCARD and WATCH. MULTI: This command marks the beginning of a transaction. […]
Tag: sms
[SpringBoot] Spring’s AOP combined with Redis implements current limiting for SMS interfaces
Article directory Preface 1. Preparation work 2. Current limiting annotation 3. Customize or select redisTemplate 1. Customize RedisTemplate (depending on needs, I use the second option) 2. Use StringRedisTemplate directly 4. Open lua script 5.Annotation analysis 6.Interface testing Foreword Scenario: In order to limit the number of visits to the SMS verification code interface and […]
Four specific type conversion mechanisms in C++
In C++, there are four specific type conversion mechanisms, namely: static_cast (static conversion, executed at compile time) static_cast can perform type conversion on objects, but this conversion is determined at compile time. It applies to the following situations: Pointer type from pointer type to base type. From a pointer type of a base type to […]
uniappSMS verification code input box
The requirement is that the SMS verification code requires a grid input box, as shown in the picture I found a case online and changed it. Just upload the code. Structure <template> <view class=”verify-code”> <!– Input box –> <input id=”input” :value=”code” class=”input” :focus=”isFocus” :type=”inputType” :maxlength=”itemSize” @input=”onInput” @focus=”inputFocus” @blur=”inputBlur” /> <!– Cursor –> <view id=”cursor” v-if=”cursorVisible […]
Dark Horse Redis Practical Chapter (1)-SMS (email) login
Reference article: https://cyborg2077.github.io/2022/10/22/RedisPractice/ 1. SMS login Applies to Redis shared session to achieve Import backend project: Unzip the code provided by Dark Horse and put it into your own workSpace Modify MySQL and Redis to your own configuration Access http://localhost:8081/shop-type/list. If you see JSON data, the access is successful. Import front-end project (for mac): Download […]
Strings and ownership mechanisms in Rust
Article directory 1. string 2. Ownership 2.1 Ownership and Scope 2.2 Operations on ownership 2.2.1 Transfer 2.2.3 Copy 2.2.3 Delivery 2.3 Quotes 2.3.1 Borrowing 2.3.2 Mutable references 1. string I have learned that Rust only has a few basic data types, but there is no commonly used string, which is String. Today, let’s learn about […]
Luffy project multi-way login, mobile phone number SMS verification registration interface
Login registration page analysis Interfaces that need to be written for the user section Login with user name and password (multiple login methods) Obtain mobile phone verification code interface Mobile phone number + verification code login Registration interface Verify whether the interface exists for the mobile phone number Verify whether the mobile phone number exists […]
C++ – Implementing events and delegates, signals and slots mechanisms using the standard library
Use the C++ standard library to simply implement event triggering mechanism Event.h /* Author:StubbornHuang Data:2023.1.31 Email:[email protected] */ #ifndef _EVENT_H_ #define _EVENT_H_ #include <functional> #include <map> #include <type_traits> #ifndef EVENT_NO_THREAD_SAFETY #define EVENT_THREAD_SAFETY #endif // !EVENT_NO_THREAD_SAFETY #ifdef EVENT_THREAD_SAFETY #include <atomic> #include <mutex> #endif // EVENT_THREAD_SAFETY #ifdef EVENT_THREAD_SAFETY #define DELEGATE_ID_TYPE std::atomic_uint64_t #else #define DELEGATE_ID_TYPE std::uint64_t #endif // EVENT_THREAD_SAFETY […]
Node.js implements ticket grabbing gadget & SMS notification reminder
Written in the preface You must know that working in Shenzhen is very painful, especially in the Kexing Science and Technology Park where I work. There are so many people there. Going to work every day is like Spring Festival travel. If I can switch to work in Dachong, I will be happy. Unfortunately, it […]
SMS verification code interface anti-malicious attack SMS anti-theft strategy
The following is the user page interaction. Enter your mobile phone number to get the verification code. The user experience is already super simple. However, simplicity comes at a cost. In terms of security control, programmers have to think about it. In the fields of system security, information security, and system security defense, text message […]