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Search found 128 results on 6 pages for 'compass'.

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• Code coordinates to match compass bearings

  - by pinnacler

  Right now in Matlab (0,0) is the origin, 0 degrees / 2pi would be to the right of the cartesian plane and angles are measured counter clockwise with 90 degrees being at the top. I'm trying to write a simulator where the coordinates would match a compass bearing. 0/360 degrees or 2pi would be at the top and 90 degrees would be on the right. Any…

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• Adjusting for compass wrap around in a navigation application

  - by chris12892

  I have a application where I am guiding a vehicle on compass headings and I am having an issue when the vehicle is crossing from 360 degrees to 0 degrees. In this case, there are no smarts in the control loop to compute that the nearest way to turn to follow a heading. For example, if the vehicle is instructed to follow a heading of 360…

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• How do I make Rack::Reloader re-load changes to haml files?

  - by Ben Hogan

  My jruby rack sinatra compass haml app correctly reloads changes to *.rb files, but does not detect changes to *.haml files. Is this compass doing some caching or a limitation of Rack::Reloader? Any pointers to how to fix?

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• How do I setup a custom Gem.path using JRuby::Rack?

  - by Ben Hogan

  Hi Nick et al, I've been having some fun looking at to source code of JRuby-Rack and Rubygems to try to figure out how to solve a org.jruby.rack.RackInitializationException: no such file to load -- compass in my rackup script cased by require 'compass'. I'm passing in a custom 'gem.path' as a servlet init parameter and it is being…

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• Lucene Query Syntax

  - by Don

  Hi, I'm trying to use Lucene to query a domain that has the following structure Student 1-------* Attendance *---------1 Course The data in the domain is summarised below Course.name Attendance.mandatory Student.name ------------------------------------------------- cooking N Bob art Y …

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• Show wind direction on Google Maps

  - by basit.

  I calculated the wind direction and now I want to show the wind direction pointing to 144 degrees (on compass). How can I show this arrow on Google Maps?

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• How can I get a 2D texture to rotate like a compass in XNA?

  - by IronGiraffe

  I'm working on a small maze puzzle game and I'm trying to add a compass to make it somewhat easier for the player to find their way around the maze. The problem is: I'm using XNA's draw method to rotate the arrow and I don't really know how to get it to rotate properly. What I need it to do is point towards the exit from the player's…

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• Grails searchable plugin

  - by Don

  Hi, In my Grails app, I'm using the Searchable plugin for searching/indexing. I want to write a Compass/Lucene query that involves multiple domain classes. Within that query when I want to refer to the id of a class, I can't simply use 'id' because all classes have an 'id' property. Currently, I work around this problem by adding…

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• Antenna Aligner part 2: Finding the right direction

  - by Chris George

  Last time I managed to get "my first app(tm)" built, published and running on my iPhone. This was really cool, a piece of my code running on my very own device. Ok, so I'm easily pleased! The next challenge was actually trying to determine what it was I wanted this app to do, and how to do it. Reverting back to good old paper and…

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• Antenna Aligner part 2: Finding the right direction

  - by Chris George

  Last time I managed to get "my first app(tm)" built, published and running on my iPhone. This was really cool, a piece of my code running on my very own device. Ok, so I'm easily pleased! The next challenge was actually trying to determine what it was I wanted this app to do, and how to do it. Reverting back to good old paper and…

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• Lucene complex structure search

  - by archer

  Basically I do have pretty simple database that I'd like to index with Lucene. Domains are: // Person domain class Person { Set<Pair> keys; } // Pair domain class Pair { KeyItem keyItem; String value; } // KeyItem domain, name is unique field within the DB (!!) class KeyItem{ String name; } I've tens of millions…

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• Using sass, how do you style "#div1 img, #div2 img { height: 80px }" ?

  - by Jian Lin

  Using .sass, how do you style #box1 img, #anotherbox img { height: 80px } ? Is using mixins the only way?

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• Determining north using the android phone

  - by tipu

  I looked over SensorManager and was still unsure, how do I detect if the phone is looking at true north (or any other direction for that matter).

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• Android Geolocation app, Find if a user is facing a certain Location using Digital Compass.

  - by Aidan

  Hi Guys, I'm constructing a geolocation based application and I'm trying to figure out a way to make my application realise when a user is facing the direction of the given location (a particular long / lat co-ord). I've done some Googling and checked the SDK but can't really find anything for such a thing. Does anyone know of a…

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• Find if a user is facing a certain Location using Digital Compass by constructing a triangle and usi

  - by Aidan

  Hi Guys, I'm constructing a geolocation based application and I'm trying to figure out a way to make my application realise when a user is facing the direction of the given location (a particular long / lat co-ord). I've done some Googling and checked the SDK but can't really find anything for such a thing. Does anyone know of a…

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• Antenna Aligner Part 4: Role'ing in the deep

  - by Chris George

  Since last time I've been trying to sort out the general workflow of the app. It's fundamentally not hard, there is a list of transmitters, you select a transmitter and it shows the compass view. Having done quite a bit of ajax/asp.net/html in the past, I immediately started off by creating two divs within my 'page', one for…

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• Antenna Aligner Part 4: Role'ing in the deep

  - by Chris George

  Since last time I've been trying to sort out the general workflow of the app. It's fundamentally not hard, there is a list of transmitters, you select a transmitter and it shows the compass view. Having done quite a bit of ajax/asp.net/html in the past, I immediately started off by creating two divs within my 'page', one for…

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• java logging nightmare and log4j not behaving as expected with spring + tomcat6

  - by maverick

  I have a spring application that has configured log4j (via xml) and that runs on Tomcat6 that was working fine until we add a bunch of dependencies via Maven. At some point the whole application just started logging part of what it was supposed to be declared into the log4.xml "a small rant here" Why logging has to be that…

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• Starting jetty with spring xml as a background process/thread

  - by compass

  My goal is to set up a jetty test server and inject a custom servlet to test some REST classes in my project. I was able to launch the server with spring xml and run tests against that server. The issue I'm having is sometimes after the server started, the process stopped at the point before running the tests. It seems…

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• Image rotate to mouse using Jquery and CSS

  - by James

  I have a compass image and am trying to get the needle to follow the mouse around the page, exactly how the images are rotated in the following demo but without having to shift and click. I'm having trouble breaking down that code however, so any help would be most appreciated. Thanks in advance. …

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• Antenna Aligner Part 10: Updates and emails…

  - by Chris George

  Since my last post back in July, I’ve not done huge amounts of work on my app for two reasons. Firstly, no time! Secondly, I wanted to leave it out in the wild for a while and see what happened. Well, what happened?  over 1,300 users, that’s what’s happened!  This uptake is beyond my…

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• trying to allow domain admins access in apache

  - by sharif

  I am trying to authenticate domain admins through apache and it is not working. Error i get is as follows [Mon Sep 24 14:54:45 2012] [debug] src/mod_auth_kerb.c(1432): [client 172.16.0.85] kerb_authenticate_user entered with user (NULL) and auth_type Kerberos [Mon Sep 24 14:54:45 2012]…

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• Rotate MapView in Android

  - by Matthew B.

  I am writing an Android app where one of the features is that the map will rotate according to the compass (i.e. if the phone is pointing east, the map will be oriented so that the east side of the map is on top). Previous answers that I have found suggested over writing the onDraw()…

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• Why is Grails Searchable Plugin causing errors on Hibernate AutoFlush?

  - by Mark Rogers

  In the Grails 1.2.5 project that I am trying to troubleshoot, we use the Grails Searchable plugin .5.5.1. The problem is that whenever we attempt to index large sets domain classes, Grails keeps throwing: ERROR hibernate.AssertionFailure - an assertion failure occured (this…

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• nginx deny directory and files to be downloaded

  - by YeppThat'sMe

  gurus. I have a problem and i dont know how to solve it. I am working with Git and Compass/SASS on some projects. Now i want to protect those directories. When i go only to the folder its all fine – i get what i expected a 403 forbidden. location ~ /\.git { deny all; } …

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