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During PHP interviews, I often discuss the difference and connection between session and cookie, and how to modify the effective time of the two. Specifically, the cookie mechanism adopts the client-side persistence scheme, while the session

This article mainly introduces how to split 0.1 billion million data entries into Mysql databases when the data volume increases sharply, you can refer to the following section to create 100 tables to demonstrate the table sharding process for 0.1

The previous section learned the basic use of the BOLTDB database based on the Go language, which boltdb the data persistence of the blockchain. Storage mode Blockchain data is mainly concentrated on each block, so the data persistence of the

This article began to enter the "Go to build Blockchain" series, mainly for the original translation. This article corresponds to the following text: Building Blockchain in Go. Part 1:basic Prototype Words do not say much, began to enter the text. 1.

This is a creation in Article, where the information may have evolved or changed. The series of articles I have put on GitHub: blockchain-tutorial, Updates will be on GitHub, and may not be synced here. If you want to run the code directly, you can

This is a creation in Article, where the information may have evolved or changed. Overview There is a scenario where the key should be routed to a service when a cache service is provided by multiple server groups. If the most common way to key%n

InnoDb architecture and features (Innodb storage engine reading notes) background thread Master Thread The core background thread is responsible for asynchronously refreshing the data in the buffer pool to the disk. For example, refresh dirty

Python's set is similar to other languages and is an unordered set of distinct elements, with basic functionality including relationship testing and de-duplication elements. The collection object also supports mathematical operations such as Union

Suppose you have a large data set that is very, very large, and cannot be fully stored in memory. This data set has duplicate data, you want to find out how many duplicate data, but the data is not sorted, because the amount of data is too large, so

This article mainly introduces how to implement the Markov chain algorithm in python. The example analyzes the principles and implementation skills of the Markov chain algorithm, for more information, see the example in this article. Share it with

When you get control of the system how can you get control of the machine for a longer period of time? As a white hat, has torn a hole in the opponent's line of defense, if you need to further expand the results, you need to do is latent, collect

At last year's QConLondon2012 conference, Twitter published the article titled Timelines @ Twitter. At last year's QCon London2012 conference, Twitter gave a speech entitled "Timelines @ Twitter", which mentioned that Redis is the main storage of

Introduction to PHP Security programming suggestions To provide Internet services, you must always be aware of security when developing code. Most PHP scripts may not care about security issues. this is largely because a large number of

How to split 0.1 billion pieces of data into Mysql databases (PHP) and 100 pieces of mysql. How to split 0.1 billion million pieces of data into Mysql databases (PHP) and 100 pieces of mysql tables to demonstrate the table sharding process of 100

Article title: in-depth analysis of the application of PAM in password protection. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded

A Data Type in PHP is very important. It is an associated array, also known as a hash table (hashtable). It is a very useful data structure. In the program, we may encounter the problem of removing duplicates. For example, the simplest model: there

How to save your password in the correct postureSummary In the past few years, many websites have been deprecated, leading to the leakage of plain text passwords of many users. This article does not discuss the pants removal technology, but focuses

Webshell Back DoorXSS BackdoorRemote control back Door &rootit (windows&linux)SSH BackdoorShift Terminal Server BackdoorSystem User account cloningSQL database Extended Storage type BackdoorSQL database sandbox mode backdoorOralce/mysql Custom

ng API Learning for Beasts-Ngcloak, Ngcontroller, Nginit, NgmodelNgcloakThe NGCLOAK directive is designed to prevent the HTML template from being temporarily displayed when the angular application is loaded. This instruction can be used to avoid

"Experimental Purpose"1) Understand how saminside cracked the local SAM hash2) Learn psaminside the process of cracking local SAM hashes"Experimental principle"The Windows hash consists of two parts, the LM hash&nt hash, respectively. The