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The main indexes of this article series are as follows:First, ETL sharp weapon Kettle Practical Application Analysis Series one "Kettle Use introduction"Second, ETL sharp weapon Kettle Practical Application Analysis Series two "application Scenarios and actual combat demo Download"Three, ETL sharp weapon Kettle Practical Application Analysis Series three "ETL bac

The server on the SS, plus the sharp speed acceleration.Had never opened the firewall, yesterday found this too insecure, on the Ubuntu firewallUFW Default policy intercepts all input and forward by default, allowing outputAlso allows input policy-a ufw-before-input-m conntrack--ctstate related,established-j ACCEPTThe established represents a packet with an ACK SYN of 1, or all connections after the second handshake.After the pit has come, with the

Li Jianzhong (cornyfield@263.net), Nanjing University of Posts and Telecommunications) Index C # Sharp experience "Hello, world!

telnet or ssh telnet to Linux, if the connection is not normal interruption, reconnect, the system will open a new session, unable to restore the original Session.screen command can solve the problem. The screen tool is an end-multiplexer, in essence, which means you can run multi-terminal applications using a single terminal window.Screen-lsScreenThere is another tmux that is also very powerful.Tmux can configure its own shortcut keys in the ~/.tmux.conf file.SET-G prefix ^dUnbind ^bBind D Send

/Contents/MacOS/Python‘In [50]: psutil.Process(45573).name() # 获取进程名称Out[50]: ‘Python‘In [52]: psutil.Process(45573).cmdline() # 获取进程启动的命令Out[52]:[‘/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/Resources/Python.app/Contents/MacOS/Python‘,‘/usr/local/bin/ptipython‘]In [56]: psutil.Process(45573).num_threads() # 获取进程的线程数量Out[56]: 3In [57]: psutil.Process(45573).environ() # 获取进程的环境变量信息Summarize:Using the Psutil module can be a more comprehensive monitoring of the system,

properties, use the Prop () method instead of attr (), only the True/false value.Second, jquery animation/**params: The effect of the final style or value of the animation, such as {left: "+=500px"},left will accumulate *speed: animation time, Unit Ms. slow for 600,normal for 400,fast *callback: callback function executed after animation is completed*/Animate (params, Speed,callback); $div. Animate (). Animate () ...//performing animations sequentially. Stop ([clearqueue],[goend])//Two Boolean

]//Div with property starting with valueDiv[title$=value]//attribute div with value endDiv[title*=value]//div with value in attributeDiv[attribute1][attribute2] ...//Multiple attribute Filters3, form selector and corresponding filterform selector : input // elements of all forms, including Input,select,button ... // Select a table cell for the type attribute : Text:password:radio:checkbox:submit:image:reset:button:file:hidden // A special choice is to include all the invisible elements outsid

1. Click event for a P element1"http://www.w3.org/1999/xhtml">2"Server">349Ten One"Form1"runat="Server"> A -"ClickMe ();"> Click me - the - -2. Click events for all P elements1"http://www.w3.org/1999/xhtml">234"Content-type"Content="text/html; Charset=utf-8"/>5 - - - + - +3, with a circular1"http://www.w3.org/1999/xhtml">234"Content-type"Content="text/html; Charset=utf-8"/>5 - - - + - +Sharp jquery (the onclick () event of P)

Example:, the default does not show all, click the button to switch back and forth, all display is part of the recommended brand highlighting.$(function(){//The Dom finishes loading and then executes varCategory = $ (' ul li:gt (5): Not (: last) ');//Select the li that you want to hide at the beginning, after the sixth Li, and do not include the last LiCategory.hide ();//Hidden varTOGGLEBTN = $ (' Div.showmore > A ');//Select the Click Button

Source: Http://www.oschina.net/translate/top-10-mistakes-that-c-sharp-programmers-make about C #C # is one of the few languages that reach the Microsoft Common Language Runtime (CLR). The language of the CLR can benefit from the features it brings, such as cross-language integration, exception handling, security enhancements, a simple model of component combinations, and debugging and Analysis Services. As a modern CLR language, C # is the most widely

Article Description: Designer's Chettu artifact Slicy (LAYER CAKE)!. Automatic cutting tool "slicy"mac OS version (Layer Cake), the real emancipation of the designer artifact!For Chettu Sadly designers must have a sharp weapon! Referrer: Abo Alibaba UI Designer @zhuhuizero: This software I used for nearly six months, before called Layercake, six months updated 3 times to fix some bugs, really pretty good. Let Chettu become extre

the function declaration and invocation of two places, in addition to acting as the return value of this particular function, the out modifier ref modifier has a very similar place: the address. We can see that C # has completely abandoned the traditional C + + language to give programmers a great degree of freedom, after all, C # is used to develop an efficient next-generation network platform, security-including system security (System structure design) and engineering security (to avoid prog