> db.inventory.distinct(“item.sku”)//获取item子字段sku的不重复值 结果:[“111”,”222”,”333”] >db.inventory.distinct(“sizes”)//获取数组格式字段的不重复值 结果:[“M”,”S”,”L”] >db.inventory.distinct(“item.sku”,{dept:”A”})//满足dept为A数据的item字段的子字段的不重复...
Java Literals, Data Types in Java, Primitive Data Types in Java, Java User-defined Data Types, Enumset in Java, Cheat Sheet Java Topic 3 : Java –Frameworks Best Java Compilers, Java XML Parser, Frameworks In Java, Testing Frameworks for Java, Java Monitoring Tool, Best Java IDE, Java ...
In today’s world, C finds its application in the development of firmware and portable systems. C supports a plethora of features like structured programming, lexical variable scope, and recursion, with a static type system, etc. C is also known as a middle-level language as it combines the...
MindorksOpenSource/from-java-to-kotlin - From Java To Kotlin - Your Cheat Sheet For Java To Kotlin zuihou/lamp-cloud - lamp-cloud 基于Jdk11 + SpringCloud + SpringBoot的微服务快速开发平台,其中的可配置的SaaS功能尤其闪耀, 具备RBAC功能、网关统一鉴权、Xss防跨站攻击、自动代码生成、多种存储系统、分布...
This cheat sheet will guide you through the essential Git commands and concepts, equipping you with the knowledge to leverage Git’s power in your projects. Download and Install Below are instructions for downloading and installing Git on Windows, Linux, and macOS. Windows Download Git Windows ins...
The Ultimate Cheat Sheet For Starting And Running A Business A startup is a company designed to grow fast. Being newly founded does not in itself make a company a startup. Nor is it necessary for a startup to work on technology, or take venture funding, or have some sort of “exit....
Interview preparation: Cheat sheet, and my first multi-threaded application (with timing of how long each version took) 1 Reply Cheat sheet! Front: Back: My first multi-threaded application: Original single-threaded version This duplicates a directory structure, where the tab indentation in ...
Prepare 1-2 questions to ask your interviewer: There is generally 5 minutes at the end of a typical interview for this.ResourcesSuggested readingCracking the Coding Interview Introduction to Algorithms Algorithms in C Data Structures and Algorithms and Big-O Cheat Sheet Coursera - Algorithms, Part ...
Java Literals, Data Types in Java, Primitive Data Types in Java, Java User-defined Data Types, Enumset in Java, Cheat Sheet Java Topic 3 :Java– Frameworks Best Java Compilers, Java XML Parser, Frameworks In Java, Testing Frameworks for Java, Java Monitoring Tool, Best Java IDE, Java Compi...
ThisOWASP Logging Cheat Sheetis a focused document to provide the authoritative guidance on building application logging mechanisms, especially related to security logging. 12. Orchestration Up to now we have been mostly concentrated on how to make the security measures an integral part of the applica...