SlyCodePanda · March 13, 2020 00:06 · Mar 13, 2020 · Jan 16, 2020
diff --git a/socketFunctions.py b/socketFunctions.py
@@ -0,0 +1,31 @@
+import socket
+
+# Create a socket
+sock = socket.socket(socket_family, socket_type)
+
+# Create a stream socket
+sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+# Socket family (here Adress Family veriosn 4 or IPv4)
+AF_INET
+
+# Socket type TCP connections
+SOCKET_STREAM
+
+# Socket type UDP connections
+SOCK_DGRAM
+
+# Translate a host name to IPv4 address format
+gethostbyname("host")
+
+# Translate a host name to IPv4 address format, extended interface
+socket.gethostbyname_ex("host")
+
+# Get the fqdn (fully qualified domain name)
+socket.getfqdn("8.8.8.8")
+
+# Returns the host name of the machine
+socket.gethostname()
+
+# Exception handling
+socket.error
diff --git a/createDictFromLists.py b/createDictFromLists.py
@@ -0,0 +1,3 @@
+prod_id = [1, 2, 3]
+prod_name = ["foo", "bar", "baz"]
+prod_dict = dict(zip(prod_id, prod_name))
diff --git a/firstMatch.py b/firstMatch.py
@@ -0,0 +1,9 @@
+# Find the first element, if any, from an iterable that matches a condition.
+
+def first_match(iterable, check_condition, default_value=None):
+  return next((i for i in iterable if check_condition(i)), default_value)
+
+# example 01
+nums = [1, 2, 4, 0, 5]
+first_match(nums, lambda x: x > 9)  # Returns nothing.
+first_match(nums, lambda x: x > 9, 'no_match')  # Returns 'no_match'
diff --git a/timeDecorator.py b/timeDecorator.py
@@ -0,0 +1,31 @@
+from time import time
+from functools import wraps
+
+def timeit(func):
+  """
+  :param func: Decorated function
+  :return: Execution time for the decorated function
+  """
+
+  @wraps(func)
+  def wrapper(*args, **kwargs):
+    start = time()
+    result = func(*args, **kwargs)
+    end = time()
+    print(f'{func.__name__} executed in {end - start:.4f} seconds')
+    return result
+
+  return wrapper
+
+# Example of use: ----------------------------------------------------------------
+import random
+
+# An arbitrary function.
+@timeit
+def sort_rnd_num():
+  numbers = [random.randint(100, 200) for _ in range(100000)]
+  numbers.sort()
+  return numbers
+
+numbers = sort_rnd_num()  # prints 'sort_rnd_num executed in 0.1880 seconds'
+# ----------------------------------------------------------------------------------
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