Apartment Hunting Checklist: What to Look for When Renting
A practical checklist for apartment hunting — noise, light, utilities, layout, and the questions to ask before signing a lease.
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Why English Became the World's Global Language
English is spoken by over 1.5 billion people worldwide — more than any other language. It's the language of international business, science, aviation, diplom...
Refine Web Searches
利用一些符号或指令，提高搜索精度
NLP with Python: NLTK, spaCy, and Modern Transformers
Natural Language Processing (NLP) enables computers to understand, interpret, and generate human language. Python has the richest NLP ecosystem of any langua...
M103: MongoDB Cluster Administration: Replication
to primary bash mongo --port 27001 --authenticationDatabase admin -u m103-admin -p m103-pass
M103: MongoDB Cluster Administration: Sharding
One goal of sharding is to create a target cluster with multiple instances (or machines), where the entire cluster appears as a single server to the applicat...
M103: MongoDB Cluster Administration: The Mongod
M103: MongoDB Cluster Administration: The Mongod
M121: Chapter 1: Basic Aggregation
$match uses standard MongoDB query operators!
M121: Chapter 2: Basic Aggregation - Utility Stages
// adding name and removing _id from projection db.solarSystem.aggregate({'$project': { '_id': 0, 'name': 1, 'gravity': '$gravity.value' } });
M121: Chapter 3: Core Aggregation - Combining Information
connet to Atlas Cloud js mongo 'mongodb://cluster0-shard-00-00-jxeqq.mongodb.net:27017,cluster0-shard-00-01-jxeqq.mongodb.net:27017,cluster0-shard-00-02-jxeq...