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Git pull and git pull--rebase

The default behavior of git pull is git fetch + git merge, Git pull--rebase is git fetch + git rebase. For the purpose, there is no difference, and after running, you can get the same code base. However, from a version management perspective, these two have their own use of meaning. Git merge: Simply put, it merges all the commits of two different branch histories into one line and a knot at "end" that generates a merge commit. Finally, a single submission line is formed. Git rebase: Depen

New features of ES2018 (ES9)

Original link: www.sitepoint.com/es2018-whats-new/In this article, I'll cover the new features of JavaScript introduced through ES2018 (ES9), as well as examples of what they do and how they are used. JavaScript (ECMAScript) is a constantly evolving standard that is implemented by many vendors on multiple platforms. ES6 (ECMAScript 2015) is a large version that took six years to complete. The new annual release process has been developed to streamline

Go: Training set (train set) validation set (validation set) test set

Toolbox was for avoiding overfitting. In this situation the weights is specified for the training data only and don ' t show the global trend. By have a validation set, the iterations is adaptable to where decreases in the training data error cause decreases in Validation data and increases in validation data error; Along with decreases in training data error, this demonstrates the overfitting phenomenon. Http://blog.sciencenet.cn/blog-397960-666113.html Http://stackoverflow.com/questions/29764

Grid Infrastructure single Client Access Name (SCAN) explained (document ID 887522.1)

Label:Applies To:Oracle database-enterprise edition-version 11.2.0.1 and laterExalogic Elastic Cloud x4-2 half RackInformation in this document applies to any platform.PURPOSE11gR2 Grid Infrastructure (CRS) introduced single client Access Name (SCAN) to simplify Client access to database services , this article was going to explain whats SCAN and how it works.SCOPEIntended audience'll be DBAs who's installing/upgrading to 11gR2 Grid Infrastructure or

VS2017 assembly Reference error occurred while generating SQL Server 2017 project

Tags: support managed rust issue Certificate option Whitelist build TPSone, when using vs2017 to generate SQL Server 2017 project, because of the added assembly (CLR integration, you can refer to the following links to understand), the following issues are raised because the security permissions are configured incorrectly: SQL72014:. Net SqlClient Data provider:msg 10343, Level 1, and Line 1 for assembly "XXX" with SAFE or external_access option The CREATE or ALTER ASSEMBLY failed because the sp

Database Base #: Data in a database?

Tags: fixed how to restore isolation many simple button class operationsOriginal link: https://www.scarydba.com/2017/06/20/database-fundamentals-3-whats-database/ Reprinted from book– "execution plans" CODE AZURE DATA PLATFORM Instructors It is important to note that many people never need to create their own databases. You may never create your own tables or other data structures. You can only run backup and restore and manipulate security on the

Foreign language translation: What is in the database?

, the extension is usually the. mdf of the data file, the. ldf of the log file. You can change these if you want, but this can lead to confusion because most people use default values as best practices. The logical file name, which allows you to reference operations in a database in a file without having to refer to the full file location including the drive. Logical names do not have to match physical names at all, but they are usually the same.ConclusionThis post describes the contents of the

Database Fundamentals # 3: What's in a database?

practice. There is a logical file name that allows you to refer to the file in the database for operation without returning the full file location, including the drive. Logical names do not have to match physical names at all, but they usually do. Conclusion The above describes the nature of database file storage, the next chapter we will actually create a database on the server, it will be simpler than this chapter. * Articles from: https://www.scarydba.com/2017/06/20/database-fundamentals-3-

The difference between MySQL @ variables and variables and how to judge the uniqueness of records

DELIMITER//Drop PROCEDURE if EXISTStest.express;Create PROCEDUREtest.express ()BEGIN Select Count(1) into @a fromTest.test_userwhereUserid='User'; Select @a; IF @a>1 Then Select 'Hello World'; ELSE Select 'Error'; END IF;END//Call test.express ();PassSelect COUNT (1) into @a from Test.test_user where userid= ' user ';The condition is judged by whether the @a variable is greater than 1.Note: Here we use the @ variable, so what is the difference between variables?(citation: http://stackover

Caffe use: How to convert one-dimensional data or other non-image data into Lmdb

/cffi.py inside the map_size default value, changed to 1099511627776 (that is, 1Tb), I do not know is not so changed, Then I put the above python program map_size = x.nbytes This sentence changed to Map_size = X.nbytes * 10, and then succeeded!In the process of looking for information, I also found a Python write leveldb program, the URL here: https://github.com/BVLC/caffe/issues/745 and http://stackoverflow.com/ Questions/32707393/whats-caffes-input-

Installing Ubuntu Server 16.04 under VirtualBox

immediately connect to the SSH client, also need to install standard system utilities, this importance can refer to the following link:Http://askubuntu.com/questions/766419/whats-in-standard-system-utilities-w-16-04-serverLater we can also manually install the required packages;Note here to use the space bar to select, do not directly enter;16, continue to install:17. The Grub boot loader is installed:18. Grub Installation:When asked to install the G

What is the difference between Apache's Mesos and Google's kubernetes?

, and most lightweight way possible, and help you with cluster-oriented development. It provides a high level of portability, as many vendors have started to support kubernetes such as Microsoft, IBM, Red Hat, CoreOS, mesosphere, VMware, etc. If you have tasks that already exist (Hadoop, Spark, Kafka, and so on), then Mesos can provide you with a framework to interleave different tasks, and then add something new, such as a kubernetes application. If you want to use the function Kubernte

The history of Java development

inheritance.10. MultithreadingMultithreading enables applications to execute in parallel, and the synchronization mechanism guarantees the correct operation of shared data. By using multi-threading, programmers can use different threads to accomplish specific behaviors, instead of having to adopt the global event loop mechanism, which makes it easy to implement real-time interactive behavior on the network.11. High PerformanceUnlike other languages such as BASIC and Tcl, Java bytecode is design

Netty Client re-connect implementation

: 1 2 3 4 5 6 7 8 9 Ten - 16 17 public class Myinboundhandler extends Simplechannelinboundhandler { Private client client; Public Myinboundhandler (client client) { this.client = client; } @Override public void Channelinactive (Channelhandlercontext ctx) throws Exception { final eventloop EventLoop = Ctx.channel (). EventLoop (); Eventloop.

What's New in Objective-C

course, it is important to remember to log out of KVO after processing. [_progressremoveObserver:self forKeyPath:@"fractionCompleted" context:NULL]; You must always log out. If you do not log out, the registered Object will be Crash when it is released. Therefore, if necessary, logout in dealloc serves as the final guarantee. 4. WhereTo Go From Here (what to do later) (Omitted) 5. Original and Reference Links Link: http://www.raywenderlich.com/49850/

Description of mysql replication filter parameters and mysql filter parameters

Description of mysql replication filter parameters and mysql filter parametersReference documents: http://www.ywnds.com /? P = 6945 https://stackoverflow.com/questions/23191160/whats-the-difference-in-replicate-wild-do-table-and-replicate-do-tablehttp://80888888.blog.51cto.com/2741630/1333249http://keithlan.github.io/2015/11/02/mysql_replicate_rule/ has a total of 6 filter rules: 1 -- replicate-do-db2 -- replicate-ignore-db3 -- replicate-do-table4 --

C # unveiling II (What are the Masters talking about ?)

Hejlsberg Is a Distinguished Engineer in the Developer Division at Microsoft Corporation. He is the chief designer of the C # programming language and a key particle ant in the development of the. NET Framework. previusly, Anders Was the same ECT for Visual J ++ and the Windows Foundation Classes. Peter Golde Is a Software Design Engineer in the Developer Division at Microsoft Corporation. peter has worked on development tools at Microsoft for

Php generates xml and converts [Source Code]

); $ Text1 = $ objDom-> createTextNode ($ v [0]); $ Text = $ objDom-> createTextNode ($ v [1]); $ Text2 = $ objDom-> createTextNode ($ v [2]); $ Nextitem2-> appendChild ($ text1 ); $ Nextitem3-> appendChild ($ text2 ); $ Nextitem1-> appendChild ($ text ); } Echo $ objDom-> saveXML (); } Simplexml_load_string converts an xml string to a string $ String = I know thats the answer -- but whats the questi

What are the most commonly used identifiers in the Go language standard library?

"emitted" (emits). So, if we take **fmt. println**, for example, can generate these tokens: identifier **fmt**, * * "." * *, as well as identifier **println**. Is this a function call? Here we are not sure, and we do not care. Its structure is a sequence that indicates the order in which tokens appear. [] (Https://raw.githubusercontent.com/studygolang/gctt-images/master/most-common-identifier/1.png) The program that can generate a token sequence for a given sequence of characters is called a sc

How to manually install OracleJavaJDK8 in Ubuntu?

-based operations. For more information about this release, visit its release home page @ http://www.oracle.com/technetwork/java/javase/8-whats-new-2157071.html To download and install Java JDK 8, visit the download page to obtain the latest release version. You can download a 32-bit or 64-bit release version based on your Ubuntu system. Here is the download page You must accept the license agreement before downloading. Download and save the file. In

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