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@robinheinze
robinheinze / multi-column-section-list-example.md
Last active March 14, 2024 15:09
Multi-column SectionList using FlatList

First, let's assemble the data. Say we have two sets of objects: Fruits and Vegetables.

const fruits = [
  {
    name: 'Apple',
    color: 'Green'
  },
  {
    name: 'Banana',
@StephenFluin
StephenFluin / upload.component.ts
Created October 3, 2016 20:30
Firebase Uploader Component with Angular 2
import { Component, Input } from '@angular/core';
import { Router } from '@angular/router';
import { AngularFire, FirebaseListObservable } from 'angularfire2';
import { Observable } from 'rxjs';
declare var firebase: any;
interface Image {
path: string;
@sfcgeorge
sfcgeorge / packed-pixels-switchresx.md
Created December 9, 2015 16:13
Packed Pixels HiDPI Retina using SwitchResX

On OS X the Packed Pixels display won't automatically show up as "Retina" or "HiDPI" resolution, instead the OS will use the full resolution of the display making everything tiny. This can be changed using the 3rd party app (non-free) SwitchResX.

First, download SwitchResX.

You can play with the resolutions for the Packed Pixels which is probably listed as Color LCD (2). However not all of the HiDPI resolutions work due to an OS X bug. If you are happy with any of the ones that do work then stop here, else continue.

If you're on El Capitan or later you need to disable System Integrity Protection (temporarily) to add a custom resolution for Packed Pixels. Follow the instructions from SwitchResX creator.

Now add a Custom Resolution that is "scaled". It must be 2 pixels bigger or smaller than the native resolution in one direction (this is the OS X quirk). I found bigger makes it slightly blurry so go w

@hongru
hongru / IPSecDemo.m
Created November 10, 2015 15:33 — forked from zqqf16/IPSecDemo.m
Start IPSec programmatically in iOS 8
- (void)viewDidLoad
{
[super viewDidLoad];
// init VPN manager
self.vpnManager = [NEVPNManager sharedManager];
// load config from perference
[_vpnManager loadFromPreferencesWithCompletionHandler:^(NSError *error) {
@amitpdev
amitpdev / adjust_gpx_to_apple_format.awk
Created September 16, 2015 17:17
Use this awk script to adjust standard GPX files downloaded from any site (bikes) into a GPX format that is supported by Xcode.
awk '
BEGIN {
buffer=""
}
{
gsub(/<\/*trk>/,"",$0)
gsub(/<\/*trkseg>/,"",$0)
gsub(/<trkpt/,"<wpt", $0)
gsub(/<\/trkpt>/,"<\/wpt>", $0)
print
@chantastic
chantastic / on-jsx.markdown
Last active September 17, 2024 16:40
JSX, a year in

Hi Nicholas,

I saw you tweet about JSX yesterday. It seemed like the discussion devolved pretty quickly but I wanted to share our experience over the last year. I understand your concerns. I've made similar remarks about JSX. When we started using it Planning Center, I led the charge to write React without it. I don't imagine I'd have much to say that you haven't considered but, if it's helpful, here's a pattern that changed my opinion:

The idea that "React is the V in MVC" is disingenuous. It's a good pitch but, for many of us, it feels like in invitation to repeat our history of coupled views. In practice, React is the V and the C. Dan Abramov describes the division as Smart and Dumb Components. At our office, we call them stateless and container components (view-controllers if we're Flux). The idea is pretty simple: components can't

@lsauer
lsauer / description.md
Created September 10, 2013 17:46
Python / json module - ValueError: Expecting property name: line 1 column 1 (char 0) or line 1 column 1 (char 1)
@samsalisbury
samsalisbury / .gitconfig
Last active June 22, 2022 19:30
Git diff and merge with p4merge (OSX)
[merge]
keepBackup = false
tool = p4merge
[mergetool "p4merge"]
cmd = /Applications/p4merge.app/Contents/Resources/launchp4merge "\"$PWD/$BASE\"" "\"$PWD/$REMOTE\"" "\"$PWD/$LOCAL\"" "\"$PWD/$MERGED\""
keepTemporaries = false
trustExitCode = false
keepBackup = false
[diff]
tool = p4merge
@ryasmi
ryasmi / triangular.js
Last active February 18, 2019 12:46
The function triangular returns the triangular number of the inputted value. For example triangular(3) would return 6 because 1 + 2 + 3 is equal to 6. This function accounts for both negative values and zero.
var triangular = function (value) {
var abs = Math.abs(value);
return ((abs / 2) * (abs + 1)) * (abs / value) || 0;
};
// Testing code.
var testTriangular = function () {
var testTriangularValue = function (arg, value, id) {
console.log(triangular(arg) === value ? "Test " + id + " passed." : "Test " + id + " failed.");
};