popsocket uses

Emacs Save As another file after opening the file:C-x C-w then enter the file path and filename of the Save AsThe shell in Emacs uses: (Quote original address: http://www.ibm.com/developerworks/cn/linux/l-cn-emacs-shell/)First introGNU Emacs is a very powerful editor that can be used not only to write articles, write programs, but more importantly, to work with some seemingly unrelated applications to create new "magical" applications. For example, yo

Linux uses static libraries and dynamic libraries(a) The concept of the libraryLibraries are reusable code, and libraries are often used in large projects.In essence , a library is a binary form of executable code that can be loaded into memory by the operating system. Generally speaking, the library is said two kinds:Static libraries: Linux under. A files, Windows. lib filesDynamic library: Linux under. So files, Windows. dll filesRecently spent some

Turn http://www.cnblogs.com/chenmh/p/5096592.htmLOverviewThe server we manage may be running out of disk space as the volume of traffic grows, and at this point we need to increase disk space, this chapter mainly describes how to use the Fdisk partitioning tool to create disk partitions and mount partitions, two cases, one is to the original disk of the remaining space to increase the partition, The second is to partition the newly added disk.Extended SpaceFdisk:invalid option--'-' usage:fdisk [

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1. First create a container to hold the contents of the list item.The Panel is used here as a container.Be careful here!The Grid Layout Group is added to the game object in the container.Also, only child objects of the container object have an arrangement effect.ThatThe nodes are as follows:Root = Child1 = Child3Root = Child2Root is the containerThe arrange effect is only valid for Child1 and Child2.2. In the Hierarchy window, select Panel object, Position select "Center", width setting 500, hig

1. Download htmlcxx,http://sourceforge.net/projects/htmlcxx/2. Unzip the htmlcxx-0.85.tar.gz3. Open Htmlcxx.vcproj, Note is htmlcxx.vcproj, not the following htmlcxxapp.vcproj4. Use vs to open htmlcxx.vcproj, need to convert project5. Choose the compilation mode: Debug or Release mode, specifically determined by the compilation mode of the project you need to use to the Htmlcxx library file, but note the debug to Debug,release to release, do not confuse6. Right-click Htmlcxx, select Properties,

--python implements two files and sets, sorts, counts--(1) Python version 2.3 or higher, the lower version of Python does not support set (), this article uses python2.7.Import SysImport timeTime_start=time.strftime ('%y-%m-%d%h:%m:%s ', Time.localtime (Time.time ()))Print Time_startNum=0S1 = set (open ('/home/work/ctt/20150409.uid ', ' R '). ReadLines ())For I in Range (0,10):Print IStr= "/home/work/ctt/data/0409logbefore/00000%s_0"% (i)Print strS2=s

IamlaosongThe DateAdd function returns a date that is added to a time interval. This function can be used to calculate many of the dates we need, such as last month's year-earlier date. GrammarDATEADD (interval, number, date)The following named parameters are available in the DATEADD function syntax:Interval necessary. The string expression is the time interval to be added. It has a lot of set values, such as "M" for the month, "D" for the day, "yyyy" for the year and so on.Number is necessary.

CPU cores simultaneouslyHeartAll blocking I/O functions in the Python standard library release the GIL, allowing other lines to be ChengYes. The Time.sleep () function also releases the GIL. Therefore, although there are gil,python threads that can still be in the I/OIntensive applications.How to use the Concurrent.futures module in CPU-intensive jobs to easily bypass the GILDocumentation for the Concurrent.futures module(https://docs.python.org/3/library/concurrent.futures.html) subtitle is "L

The textbook of data structure Basic course uses C to realize the data structure, the last semester to see other books with C + + implementation when there is no feeling, a contrast found that C + + classes and templates used more convenient than C.In writing arithmetic calculator, int write once, Char also have to write again feel very painful, Baidu a bit there is no other solution, found the following this article.How to use stacks and inverse poli

Author: ChingOriginal address: http://blog.csdn.net/qingdujun/article/details/39324737This article demonstrates that TCP uses a socket for network File transfer, which allows the client to upload file Upload.txt to the server.1) The client, upload the file upload.txt, and accept the server feedback upload success or not message.2) The server, accepts the client file, names the received file as Rece.txt, and sends the message "upload success" to the cl

‘ unsignedToken = encodeBase64(header) + ‘.‘ + encodeBase64(payload) signature = HMAC-SHA256(key, unsignedToken) Finally, the signature is encoded on unsigned token tail stitching base64url (also using "."). Separated) is the JWT:‘.‘ + encodeBase64(payload) + ‘.‘ + encodeBase64(signature) # token看起来像这样: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJsb2dnZWRJbkFzIjoiYWRtaW4iLCJpYXQiOjE0MjI3Nzk2Mzh9.gzSraSYS8EXBxLN_oWnFSRgCzcmJmMjLiuyu5CSpyHI JWT is often used as a resource to protect the server (reso

Locate source files in many waysHttp://www.cnblogs.com/stevenlii/p/8513611.html1, in the Eclipse interface, Alt+enter, you can see the file directory, behind the Open Directory icon2. Right-click the file, show in-system explorer3, still using external tools + scripting WayThe Windows approach is as follows:That is location:${env_var:systemroot}\explorer.exeArgs:/Select, ${resource_loc}MacOS:Http://www.cnblogs.com/stevenlii/p/8513611.htmlLocation/usr/bin/openArguments${container_loc}Eclipse

This document documents the process of using idea to export a war package and the solution to the problem. Although we are now using idea for development, I still use eclipse to fight the war package ....This is not the way to go.So try to pack it today with idea.The project uses the SSH framework and is not managed with Maven. The first step is to configure the Web application:exploded (already configured to skip to the second st

adding runat = "server" and id= "MyTag" to the attributes of the HTML element will control the style in the background code by setting the value of the Mytag.style.For example: On the front page join:id= "mydiv" runat= "Server">Div >The background can directly refer to the Mydiv to control the image, such as:Mydiv. style["width""100px";1.Style PropertiesCascading style sheets (cascading style sheets CSS) CSS uses its rich properties to define the tar

The use of Npoi can easily implement the service side of Word, Excel read and write. To implement read-write operations on Word, you need to reference NPOI.OOXML.dll and apply the namespace XWPF.This article uses Npoi 2.0 to implement basic build, download operations for Word. Nopi 2.0:http://npoi.codeplex.com/downloads/get/764162Although the latest version is Npoi 2.1.1, but I use 2.1.1 NPOI.OOXML.dll, I found that the paragraph formatting can not be

Curl is a tool that uses URL syntax to specify the transfer of files and data. PHP has curl extension, commonly used to achieve network crawling, analog send get POST request, file upload.The basic steps to build curl in PHP are as follows:1 Initialize the 2 settings option, including URL 3 execution and get result 4 release curl handle.In work and study, I am also the usual curl. Since the various options are difficult to remember when using the Curl

Front-end jquery uses Ajax in several ways: $.ajax using :$.ajax ({URL:'/test_ajax', #发送url data:{a:1B:2, Csrfmiddlewaretoken:'{{Csrf_token}}'}, #post方式在Django中需要使用令牌防止跨站请求伪造 type:"Post", #请求方式, GET, post ... DataType:"text", #返回的数据类型, Text,json, XML success:function (data) {#成功返回后调用的回调函数 alert (data) } }) $.post using : $.post ( '/test_ajax', #url {A:1, B:2 , Csrfmiddlewaretoken:'{{csrf_token}'}, #令牌 fu

Spring AOP uses the error creating bean with Name ' ... ' defined in class path resource. Problems and how to solve them2018/3/24 unusual Little NoteWorking environment: MYECLIPSE2015 (Jar is consistent with Java compiler Version), WINDOWS10What it does: use testing for AOP in springException information:Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating Beans with Name ' Authbeforeadvice ' defined in cl

SPRINGMVC Engineering uses Jreloader for thermal deploymentApplicationcontext-contextloaderlistener ReloadDispatcherservlet ReloadImprove development efficiency1:jreloader is the thermal loader for class(1) Download Jreloaderjar package from the Internet(2) Add the VM parameters in the Run configuration-noverify-javaagent:./jreloader.jar-djreloader.dirs=./target/classesDjreloader.dirs is the path to class, with multiple paths separated by commas2: Inh