Where is the data stored after crawling? The database, of course! Data warehousing and database to go over the detailed!

4. Why do I need to do the URL to weight?When running a crawler, we do not need a site to be downloaded multiple times, which can lead to CPU waste and increase the burden of the engine, so we need to crawl the URL to the weight, on the other hand:

(GO) shell command: echo command detail

Shell command: The echo command is detailedOriginal: https://www.cnblogs.com/xyz0601/archive/2015/04/23/4450736.htmlFeature Description : Displays text.syntax : echo [-ne][string]/echo [--help][--version]Additional note : Echo will send the input

Linux Audio Programming Guide (GO)

Transferred from: http://www.ibm.com/developerworks/cn/linux/l-audio/Linux Audio Programming GuideAlthough the advantages of Linux are mainly embodied in the network services, but in fact, there is also a very rich media function, this article is

[Go to]linux host 644, 755, 777 permissions detailed

Transferred from: http://my.oschina.net/qihh/blog/73135From left to right, the first digit represents the permissions of the file owner, the second digit represents the permissions of the same group of users, and the third digit represents the

Google Java Style Chinese version (GO)

Google Java Style Chinese versionReprint Please specify Source: http://www.blogjava.net/zh-weir/archive/2014/02/08/409608.htmlGoogle Java Style Chinese versionBased on the last change in Official document 2013.12.19. Translator: Weir Zhang (Zh.weir)

Python: Familiar and unfamiliar character encoding (go to Python developer)

Python: Familiar and unfamiliar character encodingCharacter encoding is an unavoidable problem in computer programming, whether you use Python2 or Python3, or C + +, Java, etc., I feel it is necessary to clarify the concept of character encoding in

"Go" How to use vs 2013 to publish an executable file that can run independently in Windows XP

Problem Description:Write a program with VS2013 and run everything properly on this machine. However, if you put the exe file directly on another machine, it will appear:Windows XP: Not a normal Win32 programWindow 7: Missing Msvcp120.dllIs there a

Micro-service Combat (ii): Using the API gateway--to go

Original address: http://dockone.io/article/482"Editor's note" The first article in this series describes the MicroServices architecture model. It discusses the advantages and disadvantages of using microservices, which are the ideal choice for

The most complete in history! Every programmer must know the learning site! Collect it first! Too much!

When you study computer science (CS), you must know some useful websites to keep abreast of the technology and learn new technologies. Here are some of the sites you should visit not exhaustive list, very recommended collection of spare! Incoming

Ethereum source Analysis (1) Design thinking and modular organization of Go-ethereum

Brother even blockchain Dean Yin Cheng senior Blockchain technical expert: graduated from Tsinghua University, has served as Google algorithm engineer, Microsoft Blockchain field of the world's most valuable experts, Microsoft Tech.ed Conference

Golang date to string, modeled after the date format structure in Java

 1, date format collection, date-to-string method Package Utilimport ("Strings" "Time")//date format: Mimic struct in Java type Datestyle stringconst (mm_dd = "Mm-dd "Yyyymm =" yyyymm "yyyy_mm =" yyyy-mm "yyyy_mm_dd =" y

After cloud computing, Go's next Battlefield: the game industry

This is a creation in Article, where the information may have evolved or changed. Since its inception, Go has been the focus and practice of developers due to its simple and efficient processing efficiency and excellent support for concurrency. And

Golang Study Notes

This is a creation in Article, where the information may have evolved or changed. What is a package? Why use a package? The GO program we've seen so far has only one file, and the file contains a main function and several other functions. In

Gracefully handling errors, not just checking for errors

This is a creation in Article, where the information may have evolved or changed. This article was extracted to my speech at [Gocon Spring Conference] (HTTPS://GOCON.CONNPASS.COM/EVENT/27521/) in Tokyo, Japan. []

Chat Kotlin.coroutines "Java coprocessor" (1)

This is a creation in Article, where the information may have evolved or changed. The most competitive language in Java this summer. About its syntax sugar is not elaborated here, after all, it can be sweet to death you.The first thing to say is the

Build and install in Docker non-Docker environment

This is a creation in Article, where the information may have evolved or changed. Recently to modify the source of Docker to do some development, but Docker's website is compiled by using the Docker-provided dockerfile file to compile a docker image

Go: Build your own container with less than 100 lines of Go code

Note: This article tells the container, the comparison is easy to understand. Recommended, early entrants look.Ext.: Http://www.infoq.com/cn/articles/build-a-container-golang?utm_source=infoq&utm_medium=related_content_

"Go" next_permutation and prev_permutation (full permutation function in STL Library) usage

This is a function that asks for a sort of next permutation, which can traverse the entire arrangement, to include the header file The following is the exact inverse of the previous notes and the Prev_permutation, which is the dictionary that the

Windows 8: the App Store is unavailable in the windows to go partition.

Install Windows 8 Enterprise Edition on the mobile hard disk by using the Windows to go function (it seems that the install. Wim feature is automatically enabled when it is directly released to the mobile device). When you access the app stpre:

Start from scratch-go deep into Android (theory-preparations before development-7. tablet and mobile phone support-retained)

Tablet and mobile phone support Do you still remember the content in the previous chapter? In resolution and multi-screen mode, we need to provide a variety of resources available to the system based on different screens, so that your app can be

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