Prachi Gauriar prachigauriar
prachigauriar
/ NSCondition-WaitUntilDate-Example.m
Last active
December 31, 2018 08:43
An example of using -[NSCondition waitUntilDate:].
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| // | |
| // NSCondition-WaitUntilDate-Example.m | |
| // NSConditionExample | |
| // | |
| // Created by Prachi Gauriar on 12/23/2013. | |
| // Copyright (c) 2013 Prachi Gauriar. | |
| // | |
| // 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 |
prachigauriar
/ QLCDispatchAsyncWithCompletionAndTimeout.m
Last active
May 28, 2022 18:23
Examples in Objective-C and Swift that use dispatch_async and dispatch_semaphore to cleanly replicate the behavior of ‑[NSCondition waitUntilDate:].
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| // | |
| // QLCDispatchAsyncWithCompletionAndTimeout.m | |
| // Blocks-WaitUntilDate | |
| // | |
| // Created by Prachi Gauriar on 12/23/2013. | |
| // Copyright (c) 2013 Prachi Gauriar. | |
| // | |
| // 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 |
prachigauriar
/ QLCReverseStrings.m
Last active
November 24, 2020 08:54
Code that reverses NSStrings using three different methods. Requires the `URLMock/TestHelpers` pod to generate random Unicode strings.
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| // | |
| // main.m | |
| // ReverseString | |
| // | |
| // Created by Prachi Gauriar on 3/23/2014. | |
| // Copyright (c) 2014 Prachi Gauriar. All rights reserved. | |
| // | |
| #import <Foundation/Foundation.h> | |
| #import <URLMock/UMKTestUtilities.h> |
prachigauriar
/ Convert Plist to JSON.sh
Created
May 11, 2014 19:59
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| #!/bin/sh | |
| plutil -convert json -r -o - - | python -m json.tool |
prachigauriar
/ SynchronousSubworkflowTask.h
Last active
August 29, 2015 14:12
Synchronous Subworkflow Task
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| // | |
| // SynchronousSubworkflowTask.h | |
| // SynchronousSubworkflowTask | |
| // | |
| // Created by Prachi Gauriar on 1/5/2015. | |
| // Copyright (c) 2015 Prachi Gauriar. All rights reserved. | |
| // | |
| #import <Task/Task.h> |
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| import Foundation | |
| /// Example error | |
| enum MyError : Error { | |
| case error1 | |
| } | |
| /// Boxes error in a struct | |
| struct ErrorBox<BoxedError: Error> { |
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| import Foundation | |
| extension Calendar { | |
| func startOfNextDay(for date: Date) -> Date? { | |
| let start = startOfDay(for: date) | |
| return self.date(byAdding: .day, value: 1, to: start) | |
| } | |
| func endOfDay(for date: Date) -> Date? { |
prachigauriar
/ JSONDecoder-Decimal.swift
Last active
February 21, 2018 22:51
JSONDecoder Decimal Error
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| import Foundation | |
| struct DoubleItem : Codable { | |
| var name: String | |
| var price: Double | |
| } | |
| struct DecimalItem : Codable { | |
| var name: String | |
| var price: Decimal |
prachigauriar
/ ChildProtocolsWithAssociatedTypes.swift
Last active
August 18, 2017 03:21
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| import Foundation | |
| public enum Result<Value> { | |
| case success(Value) | |
| case failure(Error) | |
| } | |
| // Parent Protocol | |
| public protocol Handler { |
prachigauriar
/ gist:b276bdf026606730b6d9b0b718f5c5ee
Created
January 2, 2018 19:36
Backtrace with main thread hang on CFPREFERENCES_IS_WAITING_FOR_SYSTEM_CFPREFSD
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| * thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP | |
| * frame #0: 0x0000000185297568 libsystem_kernel.dylib`mach_msg_trap + 8 | |
| frame #1: 0x00000001852973e0 libsystem_kernel.dylib`mach_msg + 72 | |
| frame #2: 0x0000000107482710 libdispatch.dylib`_dispatch_mach_send_and_wait_for_reply + 644 | |
| frame #3: 0x0000000107482bbc libdispatch.dylib`dispatch_mach_send_with_result_and_wait_for_reply + 56 | |
| frame #4: 0x0000000185407d7c libxpc.dylib`xpc_connection_send_message_with_reply_sync + 196 | |
| frame #5: 0x00000001857135a8 CoreFoundation`__78-[CFPrefsPlistSource sendRequestNewDataMessage:toConnection:retryCount:error:]_block_invoke + 24 | |
| frame #6: 0x0000000185741ed4 CoreFoundation`CFPREFERENCES_IS_WAITING_FOR_SYSTEM_CFPREFSD + 48 | |
| frame #7: 0x00000001857134ec CoreFoundation`-[CFPrefsPlistSource sendRequestNewDataMessage:toConnection:retryCount:error:] + 256 | |
| frame #8: 0x0000000185711640 CoreFoundation`-[CFPrefsPlistSource handleErrorReply:fromMessageSettingKey:toValue:retryCount: |
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