alepez

curl http://llvm.org/apt/llvm-snapshot.gpg.key | apt-key add
echo 'deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.8 main' >> /etc/apt/sources.list
apt-get update
apt-get install clang-3.8 lldb-3.8

alepez

while true; do sleep 1; npid="$( ps  | grep Dia[g] | awk '{ print $1 }' )"; if [ "$npid" != "$pid" ]; then echo "$(date) crash detected"; fi;
 pid=$npid; done

alepez

montage *png -tile 4x4 -geometry 200x150 -background transparent sprites.png

alepez

convert all images to a fixed width, expanding the trasparent background. useful to create sprites

for i in ../*.png; do convert $i -gravity NorthWest -background transparent -extent 200x150 $( basename $i ); done

alepez

class Cfg {
public:
	Cfg(std::initializer_list<std::pair<std::string, Cfg>> init) {
		for (auto&& it: init) {
			children_.insert(it);
		}
	}
	Cfg(std::initializer_list<std::pair<std::string, std::string>> init) {
		for (auto&& it: init) {
			children_.insert(it);

alepez

/**
 * An Mirf example which copies back the data it recives.
 *
 * Pins:
 * Hardware SPI:
 * MISO -> 12
 * MOSI -> 11
 * SCK -> 13
 *
 * Configurable:

alepez

template <typename... Args>
std::vector<std::string> toStringVector(Args... args) {
	std::vector<std::string> result;
	auto initList = {args...};
	using T = typename decltype(initList)::value_type;
	std::vector<T> expanded{initList};
	result.resize(expanded.size());
	std::transform(expanded.begin(), expanded.end(), result.begin(), [](T value) { return std::to_string(value); });
	return result;
}

alepez

## http://clang.llvm.org/docs/ClangFormatStyleOptions.html
## Version: 3.8
---
BasedOnStyle: LLVM
AccessModifierOffset: -2
AlignAfterOpenBracket: AlwaysBreak
AlignConsecutiveAssignments: false
AlignConsecutiveDeclarations: false
AlignEscapedNewlinesLeft: true
AlignOperands: true

alepez

#include <openssl/bio.h>
#include <openssl/buffer.h>
#include <openssl/evp.h>

using RawData = std::vector<uint8_t>;

RawData encode(const RawData& input) {
	BIO* b64 = BIO_new(BIO_f_base64());
	BIO* bio = BIO_new(BIO_s_mem());
	bio = BIO_push(b64, bio);

alepez

template <typename T>
using Checker = std::function<bool(T)>;

template <typename T>
class Param {
public:
	Param(std::string, Checker<T>) {
	}
	Param(std::string) {