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Search found 56456 results on 2259 pages for 'set theory'.

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• What's a good gift for a theoretical computer science teacher? [closed]

  - by Goose Bumper

  I've been fortunate to have two very good theory professors; I've take 'Algorithms' and 'Advanced Algorithms' with them, and both classes have been outstanding. I'd like to get them "fun" theory books, something like Proofs Without Words but a little cheaper. Any recommendations?

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• Why does a hard disk suddenly look to Windows as if it "needs to be formatted"?

  - by pufferfish

  This is more of a theory question, but what are the reason(s) for a disk to suddenly cause Windows to start saying it "needs to be formatted"? It happens to an IDE disk that I have in a cheap external enclosure, and I can usually get most of the data back by using software like recuva. It's now happened to an internal disk I have. I'm not looking…

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• You have no background-color set (or background-color is set to transparent) but you have set a colo

  - by metal-gear-solid

  I'm getting this Warning (it's not a error, my CSS is valid). I choosed full report just to check to validate You have no background-color set (or background-color is set to transparent) but you have set a color. Make sure that cascading of colors keeps the text reasonably legible. What is this and how to solve. I'm getting this on…

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• Adding two Set[Any]

  - by Alex Boisvert

  Adding two Set[Int] works: Welcome to Scala version 2.8.1.final (Java HotSpot(TM) Server VM, Java 1.6.0_23). Type in expressions to have them evaluated. Type :help for more information. scala> Set(1,2,3) ++ Set(4,5,6) res0: scala.collection.immutable.Set[Int] = Set(4, 5, 6, 1, 2, 3) But adding two Set[Any] doesn't: scala>…

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• set proxy for vpn server on ubuntu server 12.4

  - by Morteza Soltanabadiyan

  I have a vpn server with HTTPS, L2TP , OPENVPN , PPTP. i want to set proxy in the server so all connection that comes from vpn clients use the proxy that i set in my server. I made a bash script file for it , but proxy not working. gsettings set org.gnome.system.proxy mode 'manual' gsettings set org.gnome.system.proxy.http enabled true…

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• How to set conditional activation to taskflows?

  - by shantala.sankeshwar(at)oracle.com

  This article describes implementing conditional activation to taskflows.Use Case Description Suppose we have a taskflow dropped as region on a page & this region is enclosed in a popup .By default when the page is loaded the respective region also gets loaded.Hence a region model needs to provide a viewId whenever one is…

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• Bit-Twiddling in SQL

  - by Mike C

  Someone posted a question to the SQL Server forum the other day asking how to count runs of zero bits in an integer using SQL. Basically the poster wanted to know how to efficiently determine the longest contiguous string of zero-bits (known as a run of bits) in any given 32-bit integer. Here are a couple of examples to…

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• Using set operation in LINQ

  - by vik20000in

  There are many set operation that are required to be performed while working with any kind of data. This can be done very easily with the help of LINQ methods available for this functionality. Below are some of the examples of the set operation with LINQ. Finding distinct values in the set of data. We can use the…

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• Boost.MultiIndex: How to make an effective set intersection?

  - by Arman

  Hello, assume that we have a data1 and data2. How can I intersect them with std::set_intersect()? struct pID { int ID; unsigned int IDf;// postition in the file pID(int id,const unsigned int idf):ID(id),IDf(idf){} bool operator<(const pID& p)const { return ID<p.ID;} }; …

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• Set scheduled task last result to 0x0 manually

  - by Rogier

  Every night a task runs that checks if any scheduled task has a Last Result is not equal to 0x0. If a scheduled tasks has an error like 0x1, then automatically an e-mail is sent to me. As some tasks are running only weekly, and sometimes an error occurs which results in not equal to 0x0, every night an…

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• How to set the service endPoint URI dynamically in SOA Suite 11gR1 by Sylvain Grosjean’s

  - by JuergenKress

  Use Case : This example demonstrates how to get the URI of the backend service from a repository and how to set it dynamically to our partnerLink (dynamicPartnerLink). Implementation steps : Create a dvm file Create a BPEL component Add the endPointURI variable and assign the uri …

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• Writing algorithm on 2D data set in plain english

  - by Alexandre P. Levasseur

  I have started an introductory Java class and the material is absolutely horrendous and I have to get excellent grades to be accepted into the master's degree, hence my very beginner question: In my assignment I have to write algorithms (no pseudo-code yet) to solve a board game (Sudoku). Essentially,…

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• How do I set up pairing email addresses?

  - by James A. Rosen

  Our team uses the Ruby gem hitch to manage pairing. You set it up with a group email address (e.g. dev@mycompany.com) and then tell it who is pairing: $ hitch james tiffany Hitch then sets your Git author configuration so that our commits look like commit 629dbd4739eaa91a720dd432c7a8e6e1a511cb2d…

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• Glowing Chess Set Combines LEDs, Chess, and DIY Electronics Fun

  - by ETC

  Anyone who says that the centuries old game of Chess cannot be improved upon has obviously never played with a glowing chess board. Today we take a look at a cheap glass chess set modded to glow from within. Instructables user Tetranitrate had a glass chess set he scored on-the-cheap and had always…

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• .NET Properties - Use Private Set or ReadOnly Property?

  - by tgxiii

  In what situation should I use a Private Set on a property versus making it a ReadOnly property? Take into consideration the two very simplistic examples below. First example: Public Class Person Private _name As String Public Property Name As String Get Return _name…

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• How to Set Up a Hadoop Cluster Using Oracle Solaris (Hands-On Lab)

  - by Orgad Kimchi

  Oracle Technology Network (OTN) published the "How to Set Up a Hadoop Cluster Using Oracle Solaris" OOW 2013 Hands-On Lab. This hands-on lab presents exercises that demonstrate how to set up an Apache Hadoop cluster using Oracle Solaris 11 technologies such as Oracle Solaris Zones, ZFS, and network…

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• Correct place to set $BIBINPUTS environment variable

  - by student

  If I set the $BIBINPUTS environment varibale in my .zshrc, it is recognized by emacs-reftex (via emacsclient), if I start emacs from my zsh commandline. However if I start using the menubar or gmrun it doesn't knot this variable. So where is the correct place to set for the whole user…

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• Fast set indexing data structure for superset retrieval

  - by Asterios

  I am given a set of sets: {{a,b}, {a,b,c}, {a,c}, {a,c,f}} I would like to have a data structure to index those sets such that the following "lookup" is executed fast: find all supersets of a given set. For example, given the set {a,c} the structure would return {{a,b,c},…

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• How to set-up a simple subversion workflow

  - by Milen Bilyanov

  I am trying to set-up a simple SVN workflow at home. I am new to subversion (and programming) so I have been reading the official PDF documentations but still not sure about how to set-up my repository. I am working mainly with python, bash and rsl (Renderman Shading Language) …

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• How get and set accessors work

  - by Chris Halcrow

  The standard method of implementing get and set accessors in C# and VB.NET is to use a public property to set and retrieve the value of a corresponding private variable. Am I right in saying that this has no effect of different instances of a variable? By this I mean, if there…

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• Efficient algorithm to find a the set of numbers in a range

  - by user133020

  If I have an array of sorted numbers and every object is one of the numbers or multiplication. For example if the sorted array is [1, 2, 7] then the set is {1, 2, 7, 1*2, 1*7, 2*7, 1*2*7}. As you can see if there's n numbers in the sorted array, the size of the set is 2n-1. My…

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• Set the Windows Explorer Startup Folder in Windows 7

  - by Mysticgeek

  When you open Windows Explorer from the Taskbar in Windows 7, it defaults to the Libraries view. Today we take a look at changing the target path to allow you to customize which location opens by default. When you click on the Windows Explorer icon on the Windows 7 Taskbar,…

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• Dual booting on separate hard drives

  - by tornadorider

  I have windows XP professional installed on 1 hard drive and Ubuntu 10.10 on my second hard drive. On start up the computer completely skips the grub menu and boots straight into 10.10. I have tried running os-prober with the windows hard drive mounted and then updating…

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• why is $0 set to -bash?

  - by James Shimer

  First login process name seems to be set to "-bash", but if I subshell then it becomes "bash". for example: root@nowere:~# echo $0 -bash root@nowere:~# bash root@nowere:~# echo $0 bash -bash is causing some scripts to fail, such as . /usr/share/debconf/confmodule …

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• Unable to set background image using python (2.7.3), bash and gnome3

  - by malon

  #!/usr/bin/env python import os bashCommand = "gsettings set org.gnome.desktop.background picture-uri file:///home/malon/autowallpaperchanger/" + pic_name print bashCommand os.system(bashCommand) Print result: gsettings set org.gnome.desktop.background picture-uri…

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