Web Develop

　　　　Big data and high concurrency solution Rollup  1.3 massive data solution  1. Use cache: Use: 1, use the program to save directly in memory. The main use of map, especially Concurrenthashmap. 2, use the caching framework.　　Common frame:

Original: ASP. NET Core series "one" Build ASP. NET Core ProjectWhy use ASP.NET Core just released at the time according to the introduction of a Little heart itch, Microsoft's urine sex are understand, new things bug too much, now 2.0 also released

Use events. Eventemitter controlling the node. JS Program Execution ProcessThe title may not be too right to write, we understand the spirit; node. JS is a platform built on the Chrome JavaScript runtime. node. JS is an event-driven I/O

12.21 PHP-FPM's PoolPHP-FPM has a concept called pool, that is, the right side of the Psaux to see the column, that is, its pool,For example, here we define only a poolIn fact, he is supporting the definition of multiple pools, each pool we can

Del format is similar to CSV, my test file here Test.del is a set of data from the DB2 database.The MAVEN coordinates of the Apache Commons CSV are: org.apache.commons commons-csv 1.5Test procedure:Package test;import Java.io.File;import

The latest version of the Pycharm made a great change, when the new project, the default does not import the local installation package, which led to a lot of small partners stepped on the pit ...Obviously has Pip installed selenium, but reported

In recent days have been solving the error problem, the weekend has not been able to live, grief, want to escape?? .....First, the beginning of griefProject with jquery Ajax method request PHP background, foreground code write no problem, back in

Preface: When the task data is generated, in order to get the task user to get the subject and content of the task in time, it is necessary to send the notification class message, while the e-mail and the SMS notification of the mobile phone is the

Before we published an article "256 Template official website point SEO optimization analysis record" records the site some basic ranking situation, as well as the site collection, snapshots and other situations. Through the comparison of the

Apache 2.4.4 automatically split logs, generated by date Wed software Apache Nginx lls7 Tomcat Software HTTP protocol 80 Port Domain name resolution DNS TCP 53 (with DNS connection) UDP 53 port (Resolve DNS) Language html5+css3 jsp php

https://msdn.microsoft.com/en-us/library/hh925568 (v=vs.110). aspxTo find. NET Framework versions by viewing the registry (. NET Framework 1-4) On the Start menu, choose Run. In the Open box, enter Regedit.exe.You must has administrative

1. Basic type: string,number,boolean,null,undefined2. Reference type: Function,array,object------Technical Object Series, typeof () This three type gets the objectDetails:1. All the values of the basic type are stored in the storage area, JS can

date_default_timezone_set(‘PRC‘); //默认时区//当前的时间增加5天$date1 = "2014-11-11";echo date(‘Y-m-d‘,strtotime("$date1 +5 day"));  //输出结果：2014-11-16//相应地,要增加月,年,将day改成month或year即可//+++ 今天、昨天、明天 、上一周、下一周 +++++++++echo "今天:",date("Y-m-d",time()),"";echo

First, install the js-sha2561 npm Install js-sha256Js-sha256 appears in the Node_modules folderIi. introduction of JS-SHA256Introducing js-sha256 in the modules that need to be used1 // Introducing the SHA256 libraryThird, SHA256 encryption1

A Weosocket Communication server and client code (non-JS code) based on NettyCough, here, little Xuan is not much to say what is websocket, there is, small Xuan Why do not give js-client code? Too much code can be used on the Internet. Small Xuan

One: Environment and installation instructionsWin7_64,nginx Server,OpenSSL_Win64. I use the Phpstudy integrated development environment, using nginx+php to support browser HTTPS requests.

OverviewAlthough the CNN deep convolution network in the field of image recognition has achieved significant results, but so far people to why CNN can achieve such a good effect is unable to explain, and can not put forward an effective network

Use the Iptables string extension module primarily, use the string parameter to block access to the HTTP/HTTPS service for a specific Web site, and use the hex-string parameter to prevent DNS resolution for a specific domain name.For example, block

Code:/*** @author [Lee] ]>* 1, automatically verify whether the file is a form submitted by a file or a file submitted by a base64 stream * 2, verify that the picture type is legal * 3, Verify that the picture size is legal * 4, verify that the

View a large number of logs generated by S3 through ElkFirst of all, clear the ideaStart by synchronizing the logs with the S3cmd command from S3 and then write the log to the file and show it through elk.First, install the S3cmd commandinstallation