robert riedl

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AWK: Smart toolkit for Linux administrators

), but separators can be changed from spaces to any other character.    For demonstration, see the following employee list file saved as emp_names:    46012 DULANEY EVAN MOBILE AL 46013 DURHAM JEFF MOBILE AL 46015 STEEN BILL MOBILE AL 46017 FELDMAN EVAN MOBILE AL 46018 SWIM STEVE UNKNOWN AL 46019 BOGUE ROBERT PHOENIX AZ 46021 JUNE MICAH PHOENIX AZ 46022 KANE SHERYL UNKNOWN AR 46024 WOOD WILLIAM MUNCIE IN 46026 FERGUS SARAH MUNCIE IN 46027 BUCK SARAH M

FileZilla FTP Server Source Code Analysis (2)

digits is the server response, rows starting with 220,331, for example: C: \> ftp-d localhost Connected to dell. 220-FileZilla Server version 0.9.18 beta 220-written by Tim Kosse (Tim.Kosse@gmx.de) 220 Please visit http://sourceforge.net/projects/filezilla/ User (dell :( none): robert ---> USER robert 331 Password required for robert Password: ---> PASS test 230

How do you become a LISP programmer (GO)

, but a direct descendant of the early MacLisp, while simplifying and reinforcing in some ways. At the same time, I began to read Robert Chassell's "Introduction to Emacs Lisp programming", Robert Chassell, a Fellow of Stallman's early acquaintance, and one of the creators of the Free Software Foundation, who used it very early GNU Emacs, and using the Emacs Lisp program to customize GNU Emacs, Stallman a f

SQL order by statement

) Mysql>Mysql> insert into Employee (id, first_name, last_name, start_date, end_Date, salary, City, Description)-> Values (2, 'alison ', 'mathews', '000000', '000000', 19760321, 'vancouver ', 'tester ');Query OK, 1 row affected (0.00 sec) Mysql>Mysql> insert into Employee (id, first_name, last_name, start_date, end_Date, salary, City, Description)-> Values (3, 'James ', 'Smith', '000000', '000000', 19781212, 'vancouver ', 'tester ');Query OK, 1 row affected (0.00 sec) Mysql>Mysql> insert into

C # array Learning

not initialized at the time of declaration, the array members are automatically initialized to the default initial value of the array type. In addition, if an array is declared as a field of a certain type, it will be set to the default value when it is instantiated.Null. One-dimensional array Int [] numbers = new int [5] {1, 2, 3, 4, 5 }; String [] names = new string [3] {"Matt", "Joanne", "Robert "}; The array size can be omitted, as shown

JS create objects in several ways

Originally wanted to brush a codewar on the algorithm, the results looked at half a day did not fix (cover face fled), the level of too vegetables hurt, ah, heart meditation three: I will return. And then I'll just wrap it up. JS create objects in several ways:No1. Object literal:This method is usually used relatively more, for a chestnut:var person={ Name: ' Robert ', job: ' Web develop ', sex: ' Male ', skill:funcion () { console.log (

Freud algorithm-----Shortest Path Algorithm (i) __ algorithm

Learn the reason for this algorithm: Yesterday afternoon stroll, met the girlfriend is looking at the algorithm, suddenly asked me will not Freud algorithm. I agreed to, and then spent half an hour to learn the algorithm, and 5 minutes to listen to her, and also to share with you in need of friends, so that you in the shortest possible time, a thorough grasp of the algorithm. Robert W. Floyd (Robert Floyd)

JavaScript to get the same class node on the page in a browser _javascript tips

corresponding node list. If the Getelementsbyclassname function does not exist, the new function loops through all the tags to find the element with the corresponding class name. The disadvantage of this approach is that it does not apply to multiple class names. If you use this function to simulate the previous action to get a shopping list, you can write this: Copy Code code as follows: var Shopping=document.getelementbyid ("Purchase"); var sales = Shopping.getelementsbycla

Install and configure collabnetsubversion in Linux

1. Install and modify Java JDK 1.6.0 _ 20 in LinuxEnvironment variable. (Global variable: Add export java_home = To the end of VI etc/profile/Home/Robert tkun/svnserver/jdk1.6.0 _ 21, and then run ". etc/profile"Run the current script .. Finally SHIFT +:, WQ exit VI (Q! Do not save and Exit) Current User: VI. bashrc )) After the installation and modification are completed, test: $JAVA_HOME/bin/java -versionok! 2. Unzip the CollabNetSubversionEdge-x.y

Canny edge detector

Canny edge detector Common names:Canny edge detector Brief Description The Canny operator was designed to be an optimal edge detector (according to particle criteria --- there are other detectors around that also claim to be optimal with respect to slightly different criteria ). it takes as input a gray scale image, and produces as output an image showing the positions of Tracked intensity discontinuities. How it works The Canny operator works in a multi-stage process. first of all the i

Classic books to be read in life

30 essential economics Classics 1st Ministry of Economy table francva burnai (France 1694-1774)Adam Smith (UK 2nd-1723)3rd part population principles Thomas Robert martsas (UK 1766-1834)4th introduction to political economics Jean-batister say (France 1767-1832)5th political economics and taxation principles David Li tu (UK 1772-1823)6th new principles of political economics Simon de sismundi (France 1773-1842)7th Ministry of Political and Economic Na

TCP/IP protocol basic 3 (TCP/IP remote access operation)

about your account.I. TCP/IP network system information: rwho, uptime, and pingThese commands are some TCP/IP commands, through which you can obtain information from different systems in the network. You can find out who is registering, get information about users in another system, or query whether a system is running. For example, the rwho command and the who command have similar functions. It displays the currently registered users of each system in the network.$ RwhoViolet

intel® RealSense? How the Camera (F200) app achieves the best user experience

provides best practices to help you teach and mentor users. Explanation Person: Chandrika Jayant.How to minimize user fatigue: Time and Replication | intel® realsense™ Camera (F200)When designing a natural user interface application for intel® realsense™ technology, ensure that user fatigue is taken into account and that some breaks are built to enable users to interact better with the app. This tutorial contains best practices designed to help you design your app for the F200 depth of field ca

Parsing a String (String) of the PHP data type)

a dollar sign ($), it combines as many identifiers as possible to form a valid variable name. Brackets can be used to define the boundary of variable names. The above routine will output: He drank some apple juice.He drank some juice made. Similarly, an array index or an object attribute can be parsed. Array indexes use square brackets (]) to indicate the end margin of the index. the object attribute is the same as the preceding variable rules. Example #8 simple syntax Example "purple");

The father of Go language talk go: Boulevard to Jane

This is a creation in Article, where the information may have evolved or changed. Transferred from: Http://www.csdn.net/article/2012-07-05/2807113-less-is-exponentially-more Introduction : This article is the chief engineer of Google, the father of Go language, Rob Pike himself organized the June 21 in San Francisco to go SF speech. Rob mentions: The Go language is based on C as a prototype, in C + + as the goal of design, but ultimately very different. It is worth mentioning that these 3 langua

AS3 event framework-Signals

This article details what the AS3 Signals of Robert Penner is and how to use it to make communication between objects faster. It prevents you from using the conventional event mechanism of ActionScript and requires less code.We will use examples to understand different types of signals, so as to show you how to apply signals in actual projects. I hope you will enjoy the object communication convenience brought by AS3 Signals like me. One benefit is th

PS teaches you to draw cool halftone effect Iron Man.

Today, this tutorial has a very good effect, and it is a great way to portray detail, especially for portrait portraits. and simple to achieve, with a halftone filter can easily handle, to practicing! This is the original artwork: This effect is not complicated, because the process of making such a ripple in PS is simple, the combination of a halftone pattern and a wave is easy to handle. Create a new 1000x700 canvas first. Paste it into my little

The mediator mode of the design pattern (implemented by PHP)

GitHub Address: Https://github.com/ZQCard/design_pattern/**/(1) ChatRoom.class.php (Chat room Class)phpnamespace Mediator; class chatroom{ publicstaticfunction$user$message) { print_r($user->getname (). "says:". $message); Echo ' ; }}(2) User.class.php (User Class)phpnamespace Mediator;classuser{Private $name; Public function__construct ($name) { $this->name =$name; } Public functionGetName () {return $this-name; } Public functionSetName ($name) {

PostgreSQL9.3 new features preview JSON operations

of new basic processing functions andOperators is also added, which use this API, including operationsExtract array elements, object fields, get the length of arrays andSet of keys of a field, deconstruct an object into a set of key/valuePairs, and create records from JSON objects and arrays of objects. Catalog version bumped. Andrew Dunstan, with some documentation ance from Merlin Moncure. Based on the stored JSON data, this submission also introduces new APIs, operators, and functions to ope

Several things you must know from mysql to oracle

Welcome to the Oracle Community Forum, interaction with 2 million technical staff is actually the same day, I saw a few people at Robert treat "50 things I need to know before migrating Mysql to Oracle" Required Before migrating Oracle to Mysql "to BaronSchwartz 50 things I know, it's just that this list of BaronSchwartz may be more Welcome to the Oracle Community Forum, interaction with 2 million technical staff> On the same day, I saw

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