Distributed database at university Reading notes take out to share

Label:Chapter TwoI. Design of distributed database System 1 Database Design OverviewDatabase design is to construct the optimal database schema for a given application environment, establish the database and its application system so that it can

SQL Simulation dead End product

Label:Referenced from: http://jengting.blogspot.tw/2012/06/sql.htmlBased on MSDN to minimize the number of deaths in the graphics simulation die ~ ~Open two T-SQL inquiries (two executive) in SSMS and use the following language to execute the T-SQL

Microsoft Root Certificate program deprecated SHA-1 hashing algorithm

Label:Microsoft Root Certificate program deprecated SHA-1 hashing algorithmMicrosoft Official January 12, 2016 issued a security advisory, since January 1, 2016, Microsoft has released code discard changes, that is, after January 1, 2016 with the

Apply Gcov to test code coverage in NODE-GYP

Label:Environment: Node/node-gyp LocalTool: Gcov Lcov genhtmlBINDING.GYP configuration: "Cflags": ["-fprofile-arcs-ftest-coverage"], "ldflags": ["-lgcov--coverage"],Build with GCC under the same file as. O:*. GcnoGenerated after running

Section Tenth, while loop

Label:While loopWhile loop, is a combination of loop plus judgment, satisfies the judgment condition return true (True) starts loop code block, does not satisfy the judgment condition returns false () does not loopFormat:While condition:code

The code in the movie "Mechanical Ji": Sieve method for prime numbers

Label:Today saw "Machine Ji", to explore the topic of artificial intelligence films, watercress rating 7.5, or pretty good movie. A python code appeared at 1:09:29 in the movie, and a closer look at the Python code, found to be the Sieve method for

Unlimited drop-down or paging?

Label:Source: Medium-nick Babich Translations: Nuggets translation Program-Ruixi Original: http://design.jobbole.com/121314/"Should I choose infinite dropdown mode or paging mode for my project?" "Some designers are still struggling with what the

Caffe Study Notes (v) run your own JPG data with Caffe

Label:1 Collect your own data 1-1 the source of my training set and test set: Emoticons PackBecause a picture of the online download is very troublesome, so I simply downloaded two EIF emoticons package. The image in the same expression bag has a

Logs, scheduled tasks, host names, System time

Tags: log host name Schedule Task system time1. LogThe process and operating system cores need to be able to log the events that occur, which can be used for system audits and troubleshooting problems. By management, these logs are permanently

Wireless measurement and transmission of temperature through infrared

Label:to maintain a certain degree of independence of netizens, the author hangs out mostSource ( not all ) for reference, refuse to use the hand of the party! 1. IntroductionThe system consists of two parts : Temperature acquisition End

Implement strlen () function, strcmp () function const knowledge Point

Tags: strlen () strcmp () keyword const1. Implementation of the strlen () function:#include <stdio.h>int strLen (char *str); int StrLen (char *str) {int i = 0;        while (*STR)

On the regular expression

Label:1. What exactly is a regular expression?When writing a program or Web page that handles strings, there is often a need to find strings that match certain complex rules. Regular expressions are the tools used to describe these rules. In other

Why is byte with 0xFF (turn)

Label:Inadvertently looking over the code, found a difficult to understand the code. byte[] bs = digest.digest (Origin.getbytes (Charset.forname (CharsetName))); for (int i = 0; i < bs.length; i++) { int c = bs[

Front page lag? Or DOM operations, you need to optimize the code

Label:The Document Object Model (DOM) is a language-neutral application interface. In the browser, the DOM interface is implemented in the JavaScript language, and the elements in the browser page are manipulated by JavaScript, making the DOM an

Common PDF Document Development Library

Label:C + + libraries:1,pdf Class Library Podofohttp://podofo.sourceforge.net/Podofo is a C + + class library for manipulating PDF file formats. It also contains widgets for parsing, modifying, and creating PDF

VS2013 key (all versions)

Label:Visual Studio Ultimate Key (key): Bwg7x-j98b3-w34rt-33b3r-jvyw9Visual Studio Premium Key (key): fbjvc-3cmtx-d8dvp-rtqct-92494Visual Studio Professional Key (key): Xdm3t-w3t3v-mgjwk-8bfvd-gvpkyTeam Foundation Server Key (key): MHG9J-HHHX9-WWPQP-

"One Day together Leetcode" #60. Permutation Sequence.

Label: One Day Together Leetcode series (i) Title The set [,..., N] contains a total of n! Unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie, for n = 3):1: "123"2: "132

How to compare compressed files with beyond Compare

Label:Beyond Compare Software is a powerful contrast tool, the latest Beyond Compare 4 Chinese version of the operation is convenient, very flexible. Compressed files, as well as other archive files and normal folders, can be built-in extensions to

Server (SMTP/POP3) address and port summary for common mailboxes

Label:163.com:POP3 Server address: pop.163.com (port: 110)SMTP Server address: smtp.163.com (port: 25)126 e-Mail:POP3 Server address: pop.126.com (port: 110)SMTP Server address: smtp.126.com (port: 25)139 e-mail:POP3 Server address: pop.139.com

Get host-related information using the GetHostName () function and the gethostbyname () function

Label:From http://ty1992.blog.51cto.com/7098269/1685880GetHostName (): Returns the standard host name of the local host.The prototype is as follows:#include <unistd.h>int GetHostName (char *name, size_t len);Parameter description:This function

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