Dennis Baldwin dbaldwin
dbaldwin
/ gist:1837757
Created
February 15, 2012 17:53
JavaScript for basic CSS fixed overlay centered on page
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| var d = document.createElement("div"); | |
| d.style.background = "#FFFF00"; | |
| d.style.top = 0; | |
| d.style.position = "fixed"; | |
| d.style.top = "50%"; | |
| d.style.left = "50%"; | |
| d.style.marginLeft = "-150px"; | |
| d.style.zIndex = "100000"; | |
| d.style.width = "300px"; | |
| var t = document.createTextNode("Message goes here..."); |
dbaldwin
/ gist:3100217
Created
July 12, 2012 19:10
iOS5 gist for changing the tabbar background image. This is an example done in AppDelegate.
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| // | |
| // AppDelegate.h | |
| // TabBar | |
| // | |
| // Created by Dennis Baldwin on 7/12/12. | |
| // Copyright (c) 2012 __MyCompanyName__. All rights reserved. | |
| // | |
| #import <UIKit/UIKit.h> |
dbaldwin
/ gist:3102801
Created
July 13, 2012 04:55
iOS5 snippet for calling a welcome screen segue when a UITableView has 0 items in it
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| - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section | |
| { | |
| if(_objects.count == 0) { | |
| [self performSegueWithIdentifier: @"welcomeSegue" sender: self]; | |
| } | |
| return _objects.count; | |
| } |
dbaldwin
/ gist:3124186
Created
July 16, 2012 18:30
Display barcode scanning rectangle area in overlay with RedLaser SDK
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| - (void)viewDidLoad | |
| { | |
| [super viewDidLoad]; | |
| // Create rectangle layer and add it to view | |
| rectLayer = [CAShapeLayer layer]; | |
| rectLayer.fillColor = [[UIColor colorWithRed:1.0 green:0.0 blue:0.0 alpha:0.2] CGColor]; | |
| rectLayer.strokeColor = [[UIColor whiteColor] CGColor]; | |
| rectLayer.lineWidth = 3; | |
| [self.view.layer addSublayer:rectLayer]; |
dbaldwin
/ gist:3170422
Created
July 24, 2012 14:53
iOS gist for doing something only the first time an app is run
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| - (void)viewDidLoad | |
| { | |
| [super viewDidLoad]; | |
| // Get a reference to the user defaults database | |
| NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; | |
| // If this is the first run we're going into this if statement | |
| if(![defaults objectForKey:@"firstRun"]) | |
| { |
dbaldwin
/ gist:3171007
Created
July 24, 2012 16:24
iOS gist for randomly getting a value from a static array
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| NSArray *upcs = [NSArray arrayWithObjects:@"018208254682", @"885909459865", @"885909480982", @"989898293469", @"725882475691", @"9780060766863", @"9780066620992", nil]; | |
| NSString *upc = [upcs objectAtIndex:random()%[upcs count]]; | |
| [product setValue: upc forKey: @"upc"]; |
dbaldwin
/ Installing opencv on os x with brew
Created
December 5, 2014 22:22
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| brew tap homebrew/science | |
| brew install eigen # This was key for opencv to build | |
| brew info opencv | |
| brew install opencv | |
| ln -s /usr/local/Cellar/opencv/2.4.9/lib/python2.7/site-packages/cv.py cv.py |
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| 2016-04-12 14:36:10.659 DronePan[1059:246203] New product | |
| 2016-04-12 14:36:25.083 DronePan[1059:246203] angle: 320.700000 | |
| 2016-04-12 14:36:25.085 DronePan[1059:246203] angle: 380.700000 | |
| 2016-04-12 14:36:25.087 DronePan[1059:246203] angle: 440.700000 | |
| 2016-04-12 14:36:25.089 DronePan[1059:246203] angle: 500.700000 | |
| 2016-04-12 14:36:25.091 DronePan[1059:246203] angle: 560.700000 | |
| 2016-04-12 14:36:25.094 DronePan[1059:246203] angle: 620.700000 | |
| 2016-04-12 14:36:25.095 DronePan[1059:246307] ******************* | |
| 2016-04-12 14:36:25.096 DronePan[1059:246307] Starting loop with yawSpeed: 30.000000 and yawDestination: 320.700012 | |
| 2016-04-12 14:36:25.097 DronePan[1059:246307] ******************* |
dbaldwin
/ gist:991179f2733f6a8cb26936a52b6ac328
Last active
June 19, 2023 17:56
Building Pixhawk Firmware on Linux
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| # This gist is based off the YouTube video I posted here: | |
| # https://www.youtube.com/watch?v=X0VsL-MxeJ8 | |
| # as well as the documentation page here: | |
| # http://ardupilot.org/dev/docs/building-px4-for-linux-with-make.html | |
| # You'll need vagrant installed | |
| # https://www.vagrantup.com/ | |
| # Create Ubuntu 32 bit instance | |
| vagrant init hashicorp/precise32 |
dbaldwin
/ gist:ab9c33bdf839f4a38a9951f21b6a66e9
Created
June 5, 2016 20:07
DronePan Unable to set gimbal attitude
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| W: 2016/06/05 12:03:49:133 [com.dronepan.queue.gimbal/1755300] GimbalController setAttitude(_:pitch:yaw:roll:) line: 420 Gimbal Controller setAttitude hasn't completed yet count: 1 | |
| D: 2016/06/05 12:03:49:133 [com.dronepan.queue.gimbal/1755300] GimbalController setAttitude(_:pitch:yaw:roll:) line: 363 Setting attitude: count 2, pitch 30.0, yaw 0.0, roll 0.0 | |
| D: 2016/06/05 12:03:50:145 [com.dronepan.queue.gimbal/1755466] GimbalController check(pitch:yaw:roll:) line: 287 Checking PA: true P: 30.0 CP: 29.9 | |
| D: 2016/06/05 12:03:50:145 [com.dronepan.queue.gimbal/1755466] GimbalController check(pitch:yaw:roll:) line: 288 Checking YA: true Y: 0.0 CY: 60.6 CACY: 64.1 ACY: 3.5 | |
| D: 2016/06/05 12:03:50:145 [com.dronepan.queue.gimbal/1755466] GimbalController check(pitch:yaw:roll:) line: 289 Checking RA: false R: 0.0 CR: 0.0 | |
| W: 2016/06/05 12:03:50:145 [com.dronepan.queue.gimbal/1755466] GimbalController setAttitude(_:pitch:yaw:roll:) line: 420 Gimbal Controller setAttitude hasn't completed yet count: 2 | |
| D: 2016/06/05 12:03:50 |
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