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jpsim /
Created Jul 24, 2019
FB6395442: Running 'xcodebuild archive' on a SwiftPM product produces different results than an equivalent .xcodeproj

An Xcode project generates the following archive:

$ tree Yams-macosx.xcarchive
├── Info.plist
├── Products
│   └── Library
│       └── Frameworks
│           └── Yams.framework
jpsim /
Created Apr 22, 2018 — forked from iosdevzone/
A function to find the offsets of newlines ('\n') in UTF-16 encoded string. Try as I might, I cannot get a Swift version within an order of magnitude of the C++ version. Both routines must return arrays of the same size and with equal elements.
#import <Foundation/Foundation.h>
#import <QuartzCore/QuartzCore.h>
#import <iostream>
#import <vector> // Needed for gist to compile.
#pragma mark - Pure Implementation Functions
const static unichar kUTF16Newline = (unichar)'\n'; // old naming habits die hard!
* Calculates an array of line end "positions" for a given string.
* The equivalent Swift function was `(String) -> [Int]` or `(NSString) -> [Int]`
jpsim /
Last active May 30, 2019
Jazzy Linux

Running jazzy from a fresh Ubuntu machine:

Create a brand new Ubuntu machine

$ doctl compute droplet create jazzy --size 16gb \
    --image ubuntu-16-10-x64 --region sfo1
$ doctl compute ssh jazzy

Install Swift

jpsim /
Created Dec 14, 2017
Build & run a subset of Swift tests on Linux

Build & run a subset of Swift tests on Linux

# Spin up a beefy Digital Ocean droplet
doctl compute droplet create swift-dev --size m-224gb --image ubuntu-16-10-x64 --region sfo2 --ssh-keys XXXXXXX
doctl compute ssh swift-dev
# Install dependencies
apt-get update
apt-get install git cmake ninja-build clang python uuid-dev libicu-dev icu-devtools libbsd-dev libedit-dev libxml2-dev libsqlite3-dev swig libpython-dev libncurses5-dev pkg-config libblocksruntime-dev libcurl4-openssl-dev autoconf libtool systemtap-sdt-dev tzdata
# Clone & build Swift
jpsim /
Last active May 30, 2019
File attachments for rdar://31302382
jpsim /
Last active Jan 18, 2018
Generate Swift docs on Linux with Jazzy and SourceKitten

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jpsim / TranslatedString.swift
Created Jun 4, 2016
TranslatedString Realm Model
View TranslatedString.swift
// Example approach for modeling localized strings in Realm
import Foundation
import RealmSwift
enum Locale: String {
case English = "en"
case French = "fr"
jpsim / switch.swift
Last active Apr 15, 2016
optional enum switch compiler issue
View switch.swift
enum MyEnum {
case Case1, Case2
let myEnum: MyEnum? = .Case1
// Implicit optional unwrapping
// These first two case statements fail to compile:
jpsim / realm_write_syntax.swift
Created Nov 14, 2015
Realm.write() valid syntax
View realm_write_syntax.swift
import RealmSwift
// Swift's syntax allows for a variety of ways to invoke closures.
// Here are some of them, specifically ways to making write transactions in Realm Swift.
// See for Realm's docs on write transactions.
do {
let realm = try Realm()
// 1
You can’t perform that action at this time.