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@adrienbrault
adrienbrault / llama2-mac-gpu.sh
Last active April 22, 2024 08:47
Run Llama-2-13B-chat locally on your M1/M2 Mac with GPU inference. Uses 10GB RAM. UPDATE: see https://twitter.com/simonw/status/1691495807319674880?s=20
# Clone llama.cpp
git clone https://github.com/ggerganov/llama.cpp.git
cd llama.cpp
# Build it
make clean
LLAMA_METAL=1 make
# Download model
export MODEL=llama-2-13b-chat.ggmlv3.q4_0.bin
@ole
ole / CharacterArray.swift
Last active June 11, 2023 10:13
Two options for converting character ranges into arrays
// We can't use `Character` or `String` ranges directly because they aren't countable
// Create a countable range of ASCII values instead
let range = UInt8(ascii: "a")...UInt8(ascii: "z") // CountableClosedRange<UInt8>
// Convert ASCII codes into Character values
range.map { Character(UnicodeScalar($0)) } // Array<Character>
// → ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]
@regnerjr
regnerjr / getDateFor.swift
Last active August 29, 2015 14:17
A Function for returning the next NSDate which matches given Day, Hour, Minute, Useful for getting an NSDate to represent Sunday at 4:00 am. This works no matter what the date is now.
import UIKit
import Swift
import XCPlayground
// we want to schedule a timer to fire on Sunday at 4:00am.
// NSTimer takes a fire date.
// NSTimer.init(fireDate date: NSDate, interval seconds: NSTimeInterval, target target: AnyObject, selector aSelector: Selector, userInfo userInfo: AnyObject?, repeats repeats: Bool)
//
// So how do we get the date for the next coming Sunday at 4:00am ?
// Date Components of course!
@brocoo
brocoo / Swift NSNotification extension
Last active May 13, 2016 09:51
Extension of NSNotification to use a key enum as the notification name.
public enum NotificationKey: String {
case UserSignedIn = "UserSignedInNotification"
case UserSignedOut = "UserSignedOutNotification"
case SomeOtherEvent = "SomeOtherEventNotification"
}
extension NSNotificationCenter {
func addObserver(observer: AnyObject, selector aSelector: Selector, key aKey: NotificationKey) {
self.addObserver(observer, selector: aSelector, name: aKey.rawValue, object: nil)
@kristopherjohnson
kristopherjohnson / KeyboardNotification.swift
Last active October 6, 2023 14:45
Swift convenience wrapper for the userInfo values associated with a UIKeyboard notification
import UIKit
/// Wrapper for the NSNotification userInfo values associated with a keyboard notification.
///
/// It provides properties that retrieve userInfo dictionary values with these keys:
///
/// - UIKeyboardFrameBeginUserInfoKey
/// - UIKeyboardFrameEndUserInfoKey
/// - UIKeyboardAnimationDurationUserInfoKey
/// - UIKeyboardAnimationCurveUserInfoKey
@steipete
steipete / DevelopmentEnviromentDetector.m
Last active October 30, 2019 03:49
Detect if you're currently running a development version or an App Store/Ad Hoc version.
static BOOL PSPDFIsDevelopmentBuild(void) {
#if TARGET_IPHONE_SIMULATOR
return YES;
#else
static BOOL isDevelopment = NO;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
// There is no provisioning profile in AppStore Apps.
NSData *data = [NSData dataWithContentsOfFile:[NSBundle.mainBundle pathForResource:@"embedded" ofType:@"mobileprovision"]];
if (data) {

Greetings, NSHipsters!

As we prepare to increment our NSDateComponents -year by 1, it's time once again for NSHipster end-of-the-year Reader Submissions! Last year, we got some mind-blowing tips and tricks. With the release of iOS 7 & Mavericks, and a year's worth of new developments in the Objective-C ecosystem, there should be a ton of new stuff to write up for this year.

Submit your favorite piece of Objective-C trivia, framework arcana, hidden Xcode feature, or anything else you think is cool, and you could have it featured in the year-end blowout article. Just comment on this gist below!

Here are a few examples of the kind of things I'd like to see:

  • Using NSStringFromSelector(@selector()) as a safer way to do KVC / KVO / NSCoding.
  • Panic's [rather surprising discovery about the internals of the Lightning Digital AV Adapter](http://www.panic.com/blog/the-lightning-di