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I am going to write a series of articles on Node. js. it is easy to understand and step by step. adhering to the philosophy of focusing on thinking, practice, and diligence, you must stick to it. First, let's start with the basic knowledge. Let's take a look at the introduction on the official Node. js website:
Features:
1. it is a Javascript runtime environment
2. Code explanation based on Chrome V8 engine
3. event-driven
4. non-blocking I/O
5. lightweight and scalable, suitable for real-time
I am going to write a series of articles on node. js. It is easy to understand and step by step. Adhering to the philosophy of focusing on thinking, practice, and diligence, you must stick to it. First, let's start with the basic knowledge. Let's take a look at the introduction on the official node. js Website:
Features:
1. It is a Javascript Runtime Environment
2. Code explanation based on Chrome V8 engine
3. event-driven
4. Non-blocking I/O
5. lightweight and scalable, suitable for real-time
development, management concept. I'm not going to say one by one more here.
-----------------------------------Damn it, I'm splitting the line--------------------------------------------------------
Magicquant, known as Tsinghua University professor led the development of a quantitative trading platform (you know). Oh, I have quantdevoloper source code you believe it? 100,000 lines of code are omitted here.
No matter how he came, the key is not good to us
What is memcached?
Memcached is a set of distributed memory object caching systems developed by danga.com (the technical team of operations LiveJournal) to reduce database load and improve performance in dynamic systems. Many people use it as a storage carrier of the same form as sharedmemory, although memcached uses the same "key=>value" to organize data, but
What is memcached? How to use memcache ?. What is Memcached? Memcached is a distributed memory object cache system developed by danga.com (technical team operating LiveJournal) to reduce database load in a dynamic system. what is Memcached?
Memcached is a distributed memory object cache system developed by danga.com (
Dataset indicates a dataset, which is cached in memory. Can contain multiple tablesDatset is non-connection-oriented when connecting to the database. Read all tables to the SQL Buffer Pool and disconnect from the database.
Datareader is connected to the database. When reading a table, you can only read the table forward. After reading the data, the user decides whether to disconnect the table.
The data in the distributed system may use dataset as the
convenient. However, such PC-side software often forces the installation of mobile clients. Therefore, the third method is to directly use the mobile client for download. This method is suitable for players with WIFI and mobile phones. Currently, mobile client users have gradually surpassed WEB and PC download. So, with the prevalence of PC assistants and mobile clients, where is the future of the WEB download site?
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