| // 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; |
| 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 |
| // 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) { |
An extension that allows you to setup an NSFetchResultsConttroller as a UITableViewDataSource or UICollectionViewController in a single line of code.
self.tableView.dataSource = self.fetchedResultsControllerAll edits to CoreData will be reflected automatically in any relevent UITableViews or UICollectionViews.
| 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) |
| template <typename... T, int... I> | |
| static auto subtuple(std::tuple<T...>&& tuple, std::index_sequence<I...>) { | |
| return std::make_tuple(std::get<I>(tuple)...); | |
| } |
| #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); } }; | |
| } |
| #include <CoreFoundation/CoreFoundation.h> | |
| #include <sqlite3/sqlite3.h> | |
| #include <cstdio> | |
| #include <iterator> | |
| #include <vector> | |
| #include "raii/raii.hpp" | |
| #pragma once | |
| #include <type_traits> | |
| namespace raii { | |
| template <class T> | |
| class pointer { | |
| template <typename D> |
| 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."); |