bwoods

// Surprisingly, a standard conforming implementation of UUIDs in three lines.

#include <stdlib.h>

static void generate_random_uuid(unsigned char uuid[16])
{	
	arc4random_buf(uuid, 16);

	// Version 4, Variant 1: http://en.wikipedia.org/wiki/Universally_unique_identifier#Version_4_.28random.29
	uuid[6] = (uuid[6] & 0x0F) | 0x40;

bwoods

MKROOT="$SRCROOT/LuaJIT₂"

for CPU in $ARCHS
do
    make -C "$MKROOT" CC="clang" HOST_CC="clang -m32 -I/usr/include -isysroot $DEVELOPER_SDK_DIR" HOST_LDFLAGS="-L/usr/lib" TARGET_SYS=iOS CROSS="/usr/bin/" TARGET_FLAGS="-isysroot $SDKROOT -arch $CPU" BUILDMODE=static XCFLAGS="-DLUAJIT_ENABLE_LUA52COMPAT" CCOPT="-O4 -fomit-frame-pointer" CCWARN="-Wall -Wno-string-plus-int" clean amalg

    mv "$MKROOT/src/libluajit.a" "$BUILT_PRODUCTS_DIR/libluajit-${CPU}.a"
done

lipo -create $BUILT_PRODUCTS_DIR/libluajit-*.a -output $BUILT_PRODUCTS_DIR/libluajit.a

bwoods

// From: http://samwize.com/2012/10/03/sentestingkit-does-not-support-wait-for-blocks/

- (void) testBlockMethod
{
    dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);

    // Your block method eg. AFNetworking
    NSURL *url = [NSURL URLWithString:@"http://httpbin.org/ip"];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {

bwoods

NSFetchedResultsControllerDelegates

An extension that allows you to setup an NSFetchResultsConttroller as a UITableViewDataSource or UICollectionViewController in a single line of code.

self.tableView.dataSource = self.fetchedResultsController

All edits to CoreData will be reflected automatically in any relevent UITableViews or UICollectionViews.

bwoods

function(add_submodule path url)
	find_program(GIT git CACHE)
	message(STATUS "git submodule ${path}")
	execute_process(ERROR_QUIET WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
		COMMAND ${GIT} submodule add ${url} ${path}
		COMMAND ${GIT} submodule update --init --recursive ${path})

	if (NOT ARGV2 STREQUAL "") # a tag or a branch
		get_filename_component(submodule_directory "${path}" ABSOLUTE)
		execute_process(COMMAND ${GIT} checkout ${ARGV2} OUTPUT_QUIET WORKING_DIRECTORY ${submodule_directory} ERROR_QUIET)

bwoods

template <typename... T, int... I>
static auto subtuple(std::tuple<T...>&& tuple, std::index_sequence<I...>) {
  return std::make_tuple(std::get<I>(tuple)...);
}

bwoods

#include <cxxabi.h> // gcc and clang…
#include <stdlib.h>


auto demangle(std::string&& name) -> std::unique_ptr<char, void(*)(char *)>
{
	int status = 0;
	return { abi::__cxa_demangle(name.c_str(), nullptr, nullptr, &status), [] (char * p) { ::free(p); } };
}

bwoods

#include <CoreFoundation/CoreFoundation.h>
#include <sqlite3/sqlite3.h>
#include <cstdio>

#include <iterator>
#include <vector>

#include "raii/raii.hpp"

bwoods

#pragma once

#include <type_traits>


namespace raii {

template <class T>
class pointer {
	template <typename D>

bwoods

namespace literals { // inspired by http://codereview.stackexchange.com/a/51576

constexpr int64_t combine(int64_t accumulator) {
	return accumulator;
}

template <typename... Characters>
constexpr int64_t combine(int64_t accumulator, char character, Characters... Rest) {
	int digit = (character >= '0' && character <= '9') ? character - '0' 
		: throw std::range_error("Only decimal literals are supported.");