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@krodak
krodak / Realm+CascadeDeleting.swift
Last active April 27, 2023 19:16
Cascade deletion for RealmSwift
import RealmSwift
import Realm
protocol CascadeDeleting: class {
func delete<Entity>(_ list: List<Entity>, cascading: Bool)
func delete<Entity>(_ results: Results<Entity>, cascading: Bool)
func delete<Entity: Object>(_ entity: Entity, cascading: Bool)
}
@0xced
0xced / pin256.sh
Created August 30, 2017 14:50
Extract certificate + public key + pin from a TLS server
#!/usr/bin/env bash -e
HOST=${1:-cloudflare.com}
FILENAME=${2:-${HOST%%.*}}
# For file naming, see https://support.ssl.com/Knowledgebase/Article/View/19/0/der-vs-crt-vs-cer-vs-pem-certificates-and-how-to-convert-them
# For HTTP Public Key Pinning (HPKP), see https://developer.mozilla.org/en-US/docs/Web/HTTP/Public_Key_Pinning
CERTIFICATE_PEM="${FILENAME}_certificate.ascii.crt"
CERTIFICATE_DER="${FILENAME}_certificate.crt"
PUBKEY_PEM="${FILENAME}_pubkey.ascii.key"
@andymatuschak
andymatuschak / MultiDirectionAdjudicatingScrollView.swift
Created January 26, 2015 19:31
Source for the Khan Academy app's unusual scrolling interactions
//
// MultiDirectionAdjudicatingScrollView.swift
// Khan Academy
//
// Created by Andy Matuschak on 12/16/14.
// Copyright (c) 2014 Khan Academy. All rights reserved.
//
import UIKit
import UIKit.UIGestureRecognizerSubclass
@steveriggins
steveriggins / gist:6652508
Last active December 23, 2015 14:59
iOS 7 has a bug (or made a design decision which goes against the documentation) to set the cookie policy of NSURLConnections to whatever the user has set their cookie preferences to via Settings -> Safari. This simple method resets the cookie policy to accept always. Apple documentation for cookieAcceptPolicy: https://developer.apple.com/librar…
- (void)takeControlOfTheCookies
{
[[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookieAcceptPolicy:NSHTTPCookieAcceptPolicyAlways];
}
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
[self takeControlOfTheCookies];
@steipete
steipete / iOSDocumentMigrator.m
Created December 6, 2011 15:21
Helps migrating documents between iOS <= 5.0 and >= 5.0.1 to comply with Apple's iCloud guidelines. Follow @steipete on Twitter for updates.
#include <sys/xattr.h>
/// Set a flag that the files shouldn't be backuped to iCloud.
+ (void)addSkipBackupAttributeToFile:(NSString *)filePath {
u_int8_t b = 1;
setxattr([filePath fileSystemRepresentation], "com.apple.MobileBackup", &b, 1, 0, 0);
}
/// Returns the legacy storage path, used when the com.apple.MobileBackup file attribute is not available.
+ (NSString *)legacyStoragePath {
@0xced
0xced / NSData+CommonDigest.h
Created May 23, 2011 09:00
NSData+CommonDigest: The most elegant NSData category for cryptographic hash functions
/*
Licensed under the MIT License
Copyright (c) 2011 Cédric Luthi
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is

Objective-C Coding Convention and Best Practices

Most of these guidelines are to match Apple's documentation and community-accepted best practices. Some are derived some personal preference. This document aims to set a standard way of doing things so everyone can do things the same way. If there is something you are not particularly fond of, it is encouraged to do it anyway to be consistent with everyone else.

This document is mainly targeted toward iOS development, but definitely applies to Mac as well.

Operators

NSString *foo = @"bar";