ftorto

find . -type f -exec awk 'END { if (NR > 1) print FILENAME }' {} \;

ftorto

function parallel_function {
  # something
}

max_parallel_jobs=4
while true
do
  parallel_function &
  ((start_date=start_date+1))
  while [ $(jobs | wc -l) -ge $max_parallel_jobs ] ; do sleep 1 ; done

ftorto

# List common lines in $1 and $2
function common {
 comm --check-order -12 $1 $2
}

# List lines only present in $1
function onlyina {
 comm --check-order -3 $1 $2 | sed '/\t/d'
}

ftorto

input=$1
result="${input/find/replacement}"

ftorto

class Singleton(type):
    _instances = {}
    def __call__(cls, *args, **kwargs):
        if cls not in cls._instances:
            cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
        return cls._instances[cls]

#Python2
class MyClass(BaseClass):
    __metaclass__ = Singleton

ftorto

#Git recursive
# Apply a command to all sub git directories
gr() {
   rootpath=`pwd`/

   cmd=$*
   
   if [ $# -eq 0 ]; then
      echo "Multiline (Add empty line to end the input)"

ftorto

awk '{s+=$1} END {printf "%.0f", s}' mydatafile

ftorto

Map

>>> rdd = sc.parallelize([1,2,3])
>>> rdd.map(lambda x: [x,x*10])
RDD: [1,2,3] -> [[1,10], [2,20], [3,30]]

>>> rdd.flatMap(lambda x: [x,x*10])
RDD: [1,2,3] -> [[1,10,2,20,3,30]]

ftorto

Package-1/namespace/__init__.py
Package-1/namespace/module1/__init__.py
Package-2/namespace/__init__.py
Package-2/namespace/module2/__init__.py

with

• Package-1
• Package-2

ftorto

du -hsx * | sort -rh | head -10