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• Linear regression confidence intervals in SQL

  - by Matt Howells

  I'm using some fairly straight-forward SQL code to calculate the coefficients of regression (intercept and slope) of some (x,y) data points, using least-squares. This gives me a nice best-fit line through the data. However we would like to be able to see the 95% and 5% confidence intervals for the line of best-fit (the curves below). What these…

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• Events and references pattern

  - by serhio

  In a project I have the following relation between BO and GUI By e.g. G could represent a graphic with time lines, C a TimeLine curve, P - points of that curve and T the time that represents each point. Each GUI object is associated with the BO corresponding object. When T changes GUI P captures the Changed event and changes its location. So,…

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• Thoughts about alternatives to barplot-with-error-bars

  - by gd047

  I was thinking of an alternative to the barplot-with-error-bars plot. To get an idea by example, I roughly 'sketched' what I mean using the following code library(plotrix) plot(0:12,type="n",axes=FALSE) gradient.rect(1,0,3,8,col=smoothColors("red",38,"red"),border=NA,gradient="y") …

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• SCOM 2007 versus Zenoss (or other open source)

  - by TheCleaner

  I've taken the liberty to test both SCOM 2007 and Zenoss and found the following: SCOM 2007 Pros: Great MS Windows server monitoring and reporting In-depth configuration and easily integrates into a "MS datacenter" Cons: limited network device monitoring support (without 3rd…

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• Photoshop vector line

  - by Yuval

  When I use the line tool in Photoshop, it creates a vector layer mask with the shape of that line. When I draw a curved line with the pen tool, the only option I see for making a line out of the path is "Stroke path", which is not vector (raster). How do I create a vector…

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• How to change Blackberry initial message download limit.

  - by Mikey B

  BES 4.1.6 Blackberry 8300 (curve) Hi guys, I've noticed that handhelds will typically only retrieve the first few KB and then prompt the user to manually retrieve more (or auto-retrieve if they scroll down). The problem is that I have a BB app that needs to see the…

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• Blackberry device GPS hardware specs [closed]

  - by colemanm

  I'm looking to find out detailed specifications for the built-in GPS hardware in the Blackberry Bold and Curve devices (9000 and 8350). RIM's documentation includes just a rudimentary description of the specs, but I'm looking for things like the actual detailed…

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• Small biz vpn solution

  - by Crash893

  I've been looking for a while but I'd like to to implement a vpn solution for anywhere from 1-5 employees at a time (possibly 10 in a year or so) I've looked at astaro gateway but im not sure if thats the right tool for the job. I know "best" is a subjective…

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• Create a linear trend line in Excel graphs with logarithmic scale

  - by Redsoft7

  I I have an Excel scatter chart with x and y values. I set the logarithmic scale in x-axis and y-axis. When I add a linear trend line to the graph, the line is not linear but appears like a curve. How can I make a linear trend line on a logarithmic-scaled…

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• Linux with winbind, disable local users while AD is available?

  - by Salkin

  Routers and switches with RADIUS authentication can be configured such that login is disabled for locally configured users as long as the RADIUS server is available. If the RADIUS server becomes unavailable, they fall back to allowing login as a locally…

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• List of all prepaid smartphones

  - by user1413

  I'd like to make a complete list of all prepaid smartphones. I know of only one: BlackBerry Curve through BoostMobile.

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• nginx support for .htaccess / rewrite rules? Differences from Apache?

  - by anonymous coward

  I've been working with Apache http servers for quite some time, and finally making the move to static-content servers alongside the others dynamic-content machines. I was wondering, does nginx support ".htaccess" files, and things like mod_rewrite? …

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• A Taxonomy of Numerical Methods v1

  - by JoshReuben

  Numerical Analysis – When, What, (but not how) Once you understand the Math & know C++, Numerical Methods are basically blocks of iterative & conditional math code. I found the real trick was seeing the forest for the trees – knowing which…

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• "Build your own website" - Developing a CMS with Vague Requirements on a Tight Deadline

  - by walnutmon

  I'm a Java developer in charge of making a product which allows clients to "build their own site". I've spent a lot of time looking into Liferay, as I don't have any experience in building CMSs, and want to either use it, or get ideas of how to…

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• Objective-c Cocos2d moving a sprite

  - by marcg11

  I hope someone knows how to do the following with cocos2d: I want a sprite to move but not in a single line by using [cocosGuy runAction: [CCMoveTo actionWithDuration:1 position:location]]; What I want is the sprite to do some kind of…

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• Experience formula with javascript

  - by StealingMana

  I'm having trouble working out a formula using this experience curve to get the total exp after each level. I bet its easy and im just over thinking it. maxlvl = 10; increment = 28; baseexp = 100; function calc(){ for (i =…

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• Bring Office 2003 Menus Back to 2010 with UBitMenu

  - by Matthew Guay

  Are you having trouble getting used to the Ribbon interface in Office 2010?  Here’s how you can roll back the clock a bit and bring back the familiar menus and toolbars from 2003. The Office 2007 Ribbon was both praised…

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• Were you a good programmer when you first left university?

  - by dustyprogrammer

  I recently graduated, from university. I have since then joined a development team where I am by far the least experienced developer, with maybe with a couple work terms under my belt, meanwhile the rest of the team is…

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• Google Analytics API - Super simple?

  - by Jens Törnell

  Google Analytics API - Too complicated? I've read about Google Analytics API but heard of others that it is a bit complicated to make it work. I use PHP. Copy / paste example My question is if there is a copy /…

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• How to customize the gnome classic panel

  - by Luis Alvarado

  First the picture: As you can see in the image, the color used for the icons and words Applications and Places (In spanish in this case) they have a different background dark gray color than the rest of the…

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• Does software testing methodology rely on flawed data?

  - by Konrad Rudolph

  It’s a well-known fact in software engineering that the cost of fixing a bug increases exponentially the later in development that bug is discovered. This is supported by data published in Code Complete and…

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• Thoughts of Cloud Development/Google App Engine

  - by jiewmeng

  I use mainly PHP for web development, but recently, I started thinking about using Google App Engine. It doesn't use PHP which I am already familiar with, so there will be a steeper learning curve. Probably…

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• How to find the number of packages needing update from the command line?

  - by KayEss

  I'm working on some system admin automation using fabric and I'd like to be able to monitor the number of packages that need upgrading on a given machine. This is the same information that I can see when I…

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• Most popular Open-Source License on github?

  - by John R

  This is a two part question: 1) What is the most popular Open-Source License used by developers on github? 2) Assuming people follow the rules - will this license (the most popular on github) assure that…

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• jMonkey Quest Database

  - by theJollySin

  I am building a game in jMonkey (Java) and I have so far only used default quest text. But now I need to start populating a lot of quests with text. My design requires A LOT of quests texts. What is the…

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