benjaminbojko

Color Workflow Tools

No matter how well organized or spec'ed out a PSD is, there's always that point where you have to manually bring colors from design to code. Here are a few tools that have helped me get a seamless 360° workflow for dealing with colors in OS X.

Alfred 2 Colors Workflow

Amazing workflow by Tyler Eich that allows you to preview, modify and convert colors in a bunch of different color spaces and formats (rgb, hsl, hex, ...). Great if you want to convert those hex values to RGB for CSS.

• Link: http://www.alfredforum.com/topic/805-colors%E2%80%94convert-color-formats-access-the-os-x-color-panel/

benjaminbojko

vector<float> degs = {60, 120, 180, 240, 300, 360, 420, 480, -60, -120, -180, -240, -300, -360, -420, -480};

// angleAxis -> angle
for (float deg : degs) {
  float rad = glm::radians(deg);
  glm::quat rot = glm::angleAxis(rad, glm::vec3(0, 0, 1));
  std::cout << "angleAxis -> angle: " + to_string(deg) + " deg -> " + to_string(glm::degrees(glm::angle(rot))) + " deg" << std::endl;
}

// angleAxis -> roll

adielfernandez

#version 330 core

in vec2 vTexCoord0;
out vec4 oColor;

uniform sampler2D	uTex0;
uniform vec2		uResolution;

uniform float 		uExponent;	//good values will be between 5 and 15
uniform float 		uShift;		//good values will be between 0 and 1

jeffdgr8

function getBackgroundColor(rangeSpecification) {
  var sheet = SpreadsheetApp.getActiveSpreadsheet();
  return sheet.getRange(rangeSpecification).getBackground();
}

function getForegroundColor(rangeSpecification) {
  var sheet = SpreadsheetApp.getActiveSpreadsheet();
  return sheet.getRange(rangeSpecification).getFontColor();
}

benjaminbojko

iOS Background Download Gotchas

I've been doing some thorough investigations into setting up a solid background download process. Here are some of the gotchas I stumbled upon and wanted to capture:

Background Tasks

• Only download and upload tasks are allowed to run in the background (no data tasks)
• Once a download task completes, your app will have to move that task from its temporary location to a permament location (or process the data somehow); The temporary file will be deleted once the URLSession:downloadTask:didFinishDownloadingToURL: delegate method returns.

App Suspension

• If your app is suspended, it will be re-launched whenever a background task completes

TaoK

Function Invoke-ElevatedCommand {
	<#
		.DESCRIPTION
			Invokes the provided script block in a new elevated (Administrator) powershell process, 
			while retaining access to the pipeline (pipe in and out). Please note, "Write-Host" output
			will be LOST - only the object pipeline and errors are handled. In general, prefer 
			"Write-Output" over "Write-Host" unless UI output is the only possible use of the information.
			Also see Community Extensions "Invoke-Elevated"/"su"

		.EXAMPLE

OSDTips

$Powerplans = Get-WmiObject -Query "SELECT ElementName,InstanceID,ISActive FROM win32_powerplan" -Namespace root\cimv2\power
$Target = "High performance"

foreach ($Powerplan in $Powerplans) {
if ($Powerplan.ElementName -eq $Target) {
    $Powerplan.ElementName
    $Powerplan.InstanceID
    $Powerplan.ISActive
    $Changer = $Powerplan
    break

brettz9

/**
 * Add dataset support to elements
 * No globals, no overriding prototype with non-standard methods, 
 *   handles CamelCase properly, attempts to use standard 
 *   Object.defineProperty() (and Function bind()) methods, 
 *   falls back to native implementation when existing
 * Inspired by http://code.eligrey.com/html5/dataset/ 
 *   (via https://github.com/adalgiso/html5-dataset/blob/master/html5-dataset.js )
 * Depends on Function.bind and Object.defineProperty/Object.getOwnPropertyDescriptor (polyfills below)
 * All code below is Licensed under the X11/MIT License

neilmendoza

mat4 rotationMatrix(vec3 axis, float angle)
{
    axis = normalize(axis);
    float s = sin(angle);
    float c = cos(angle);
    float oc = 1.0 - c;
    
    return mat4(oc * axis.x * axis.x + c,           oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s,  0.0,
                oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c,           oc * axis.y * axis.z - axis.x * s,  0.0,
                oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c,           0.0,

benjaminbojko

//
//  LinkedTextView.h
//
//  Created by Benjamin Bojko on 10/22/14.
//
//  The MIT License (MIT)
//
//  Copyright (c) 2014 Benjamin Bojko
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy