MongoDB replica set member status

Each member of the replica set member status copy set has a state, reflecting its configuration in the collection. The numeric name status description 0STARTUP is not yet an active member of any collection. All members start in that state. Mongod resolves replica set configuration in STARTUP status

2022-06-01 Database 我要分享

Why does C++ become a member only by directly accessing the expressed function?

This article mainly explains why C++ becomes a member only by directly visiting the expressed function. Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Next, let's let the editor take you to learn "Why C++ becomes a member only by directly accessing the expressed function"

2022-06-01 Internet Technology 我要分享

Principle and Management of MongoDB replica set

A MongoDB replica set (Replica Set) is a cluster of MongoDB instances, consisting of a primary node (primary) and multiple standby nodes (Secondary). Through Repication, the data is updated by prim

2022-06-01 Database 我要分享

How to understand the inheritance of C++ class

This article mainly explains "how to understand the inheritance of C++". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought. Let's study and learn how to understand the inheritance of C++. And the public members of the base class are in the public faction.

2022-06-02 Development 我要分享

How to use the primer class in C++

This article mainly introduces how to use the primer class in C++, the article is very detailed, has a certain reference value, interested friends must read it! The basic idea of class is data abstraction and encapsulation. Data abstraction is a programming technology that depends on the separation of interface and implementation. 1. Define the number of abstractions

2022-06-03 Development 我要分享

Smart TV is stuck in the "routine".

Recently, the issue of arbitrary charging by video platforms has triggered a heated discussion throughout the network, with some platforms carrying the banner of "protecting film and television copyright" and starting a variety of ugly money collection behaviors. Not only the member price continues to rise, but also the free screen function that comes with the mobile phone begins to tamper with, limiting the screen resolution without VIP. Near

2023-11-24 IT Information 我要分享

How to implement C# Interface member

This article introduces how to implement C# interface members, the content is very detailed, interested friends can use for reference, I hope it can be helpful to you. To implement a C # interface, a class can define an explicit interface member executor (Explicit interface memb)

2022-06-02 Development 我要分享

Add 2 days: WPS super members reach the bottom again for 5.6RMB / month.

[the event ends on June 20] the promotion price of the 4-year package for WPS super members is 338 yuan. Today's order is reduced by 50 yuan + free 28 days + 3 yuan coupon. The actual payment is only 285 yuan. JD.com PLUS members can also receive

2023-11-24 IT Information 我要分享

How to analyze static

In this issue, the editor will bring you an analysis of how to carry out static. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article. Static Summary static Fieldsstatic

2022-06-02 Development 我要分享

How to understand the member inner class in Java inner class

It is believed that many inexperienced people have no idea about how to understand the member inner class in the Java inner class. therefore, this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem. In Java, you can define a class within another class or a party

2022-06-01 Internet Technology 我要分享

Only one day: 89 yuan for Xunlei platinum member and 169 yuan for super member

The daily price of the annual card is 360 yuan (264 yuan / year in a row). After today's coupon, it will be reduced to 169 yuan, which is equivalent to a good price reduction of 191 yuan (4.7% discount). JD.com Xunlei Super member year

2023-11-24 IT Information 我要分享

The advantages of MySQL multi-group replication and the difference between single-master mode and multi-master mode

This article mainly explains the advantages of MySQL multi-group replication and the difference between single-master mode and multi-master mode. Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn the advantages of MySQL multi-group replication, single master mode and

2022-06-01 Servers 我要分享

How mongodb replication sets are maintained

This article will explain in detail how to maintain the mongodb replication set. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article. 1. Add members of the replica set. 1. Log in to primary2 and use admin

2022-05-31 Database 我要分享

Key parameters description of MGR-MGR

Transaction_write_set_extraction=XXHASH64Defines the algorithm used to generate a hash identifying t

2022-06-01 Database 我要分享

Only 9.8 yuan per month: subsidized purchase by Tencent Video / iqiyi / QQ Music member Unicom

In the future, the daily price of the membership annual card is 138 yuan. You can get an impulse coupon of 20 yuan today. You can start by paying 118 yuan, equivalent to only 9.8 yuan per month. After placing an order, 9 members can choose one of them every month: Tmall's future annual card 9 members choose one coupon each month 11

2023-11-24 IT Information 我要分享

The annual card of bilibili's big member costs only 70 yuan: the super member of WPS frantically opens it.

The daily price of WPS super membership annual card is 148yuan. Today, officials have launched a time limit: if you buy an annual card plus 20 yuan (a total of 168yuan), you can get bilibili's annual membership card. Superimposed 10 yuan time limit coupon, you can start with a joint annual card plus a gift of WPS for the actual payment of 158 yuan

2023-11-24 IT Information 我要分享

What is the Python object?

This article mainly explains "what is the Python object". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the Python object". The concept of classes and objects is the object that we have to deal with.

2022-06-02 Development 我要分享

Construction of Oracle 11G R2 Dataguard under CentOS 5.11

Datagard is a disaster recovery solution of Oracle Enterprise Edition, which is widely used in enterprises, so I will record the building process as a backup. Hostname database version instance name IPdb1 Oracle 11G R2 member 172.16.

2022-06-01 Database 我要分享

Jin Qiute, a member of Xunlei, buys special activities for newcomers, and the super member is only 21 yuan for the season.

The Mid-Autumn Festival National Day eight-day holiday, do not want to go out to see the crowd, go home and family reunion, three meals a day, is also a comfortable and happy way of vacation. On September 26, Xunlei members launched the Golden Autumn special shopping activity, so that everyone can spend time with their families and have high-quality time. Special purchase in Golden Autumn

2023-11-24 IT Information 我要分享

11 / 11 of the whole network is coming to an end: members such as WPS / online disk miss the good price for half a year, and there are only 5 hours left for red packets without threshold.

11.11 of the whole network will end at 24:00 this evening. Members such as Video / Netdisk / WPS / QQ / Plus will miss the good price for half a year. At the same time, JD.com 's red packet without a threshold will also expire at 24: 00. Friends who have already received it, don't forget to use it.

2023-11-24 IT Information 我要分享