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Introduction Recent projects use mongo logs for data statistics. Being obsessed with non-relational databases, I bought a copy of MongoDB Actual Warfare and studied it for a while. Record the learning notes and share them. Get ready I installed the latest version of Mono on my Linux server. Record another problem with the installation link. Li ...

Semidimensional COS Graph Crawl-Write in front Today, when I was browsing the website, an inexplicable link led me to jump to the half-dimensional website https://bcy.net/. After opening it, I found that there was nothing interesting. Professional sensitivity reminded me of cosplay in an instant. This ...

ABSTRACT: Scrapy was used to crawl 70,000+App of pea pod net, and exploratory analysis was carried out. Write on the front: If you are not interested in the data capture part, you can directly drop down to the data analysis part. 1 Analytical Background Before, we used Scrapy to crawl and analyze Kuan 6000+ App. Why is this article about app? ...

Log Processing Mechanism Let's first look at the mechanism of docker log processing. When a container is started, it's actually a sub-process of docker daemon. docker daemon can get the standard output of the process in your container. When it gets the standard output, it will process it through its own LogDriver module, the way LogDriver s ...

MongoDB Index Why use index? Assuming there is a book, you want to see what Chapter 6, Section 6, says, and what you will do, the average person must go to the catalogue, find the corresponding pages of this section, and then turn to this page. This is the catalog index, which helps readers quickly find the chapters they want. In databases, w ...

Introduction to MongoDB MongoDB is a NoSQL database, which is essentially different from relational databases such as MySQL in the form of data storage. The basic object stored in MongoDB is Document, so we call it a document database, and the collection of documents forms a Collection. In analogy to the concept of SQL, Collection corresponds t ...

Under CentOS, PHP has many ways to install and expand, including package-managed yum installation, pecl installation, and source code compilation installation.Package-managed installation and uninstallation is particularly convenient, while source-code-compiled installation is convenient for parameter tuning.Generally build the management insta ...

Router is really a very good design pattern, which can achieve ultra-low coupling. As the last section of the series, we will coordinate the three ends to achieve a hot repair architecture. Next, the definition of this architecture is that when the business logic of the Native page appears Bug, it can not be packed online immediately to pass th ...

Knowledge Points: v-on, v-for, v-if, props, $emit, dynamic Prop, Class and Style binding P1 Paging Query Query parameters Query parameters: company name, job type, salaryMin salaryMax Description: The request is made by axios.post with parameters, and the back end uses paging query to return the data of specified number of bars to the front e ...

This article describes how to start MongoDB and connect with a shell. Here are some of the operations we are familiar with in mysql 1. Create a database MongoDB The grammatical format for creating the database is as follows: ``` use DATABASE_NAME ``` //If the database does not exist, create the database, otherwise switch to the specified d ...