PaulChana

run_mode=debug

echo () 
{
	[[ "$run_mode" ]] && builtin echo $@
}

PaulChana

clearDisplay()
{
    clear && printf '\e[3J'
}

PaulChana

# Find with extension
find ~/ -iname "*.jpg"

# Find something with a matching name
find ~/ -name "Y"

PaulChana

// Checkout branch and track remote
git checkout -b feature/project --track origin/feature/project 

// Show current branch name
git rev-parse --abbrev-ref HEAD

// Show all local branches with your starred:
git branch

// Are we up to date with remote

PaulChana

// round n down to nearest multiple of m
int roundDown (int n, int m) 
{
    return n >= 0 ? (n / m) * m : ((n - m + 1) / m) * m;
}

// round n up to nearest multiple of m
int roundUp (int n, int m) 
{
    return n >= 0 ? ((n + m - 1) / m) * m : (n / m) * m;

PaulChana

int convertRGB565ToRGB888 (int c)
{
    int a = 255;

    int r5 = ((c >> 11) & 0x1F);  
    int g6 = ((c >> 5)  & 0x3F);
    int b5 = ((c)       & 0x1F);

    int r8 = (r5 * 255 + 15) / 31;
    int g8 = (g6 * 255 + 31) / 63;

PaulChana

#define BitVal(data,y) ( (data>>y) & 1)      /** Return Data.Y value   **/
#define SetBit(data,y)    data |= (1 << y)    /** Set Data.Y   to 1    **/
#define ClearBit(data,y)  data &= ~(1 << y)   /** Clear Data.Y to 0    **/
#define TogleBit(data,y)     (data ^=BitVal(y))     /** Togle Data.Y  value  **/
#define Togle(data)   (data =~data )         /** Togle Data value     **/

PaulChana

int pack (int a, int r, int g, int b)
{
  return a << 24 + r << 16 + g<< 8 + b;
}

void unpack (int& a, int& r, int& g, int& b, const int argb)
{
  a = (argb >> 24) & 0xFF;
  r = (argb >> 16) & 0xFF;
  g = (argb >> 8)  & 0xFF;

PaulChana

const auto myString = R"identifier(
  
  This string wont be "processed" like a normal string
  Line breaks will be preserved
  And you wont need to do escapes...
  
  )identifier";

PaulChana

a.insert (std::end (a), std::begin (b), std::end (b));

// Less efficient but can be used for const members:
std::copy (std::begin (b), std::end (b), std::back_inserter (a));