santoshpy

# Byte-compiled / optimized / DLL files
__pycache__/
*.py[cod]
*$py.class

# C extensions
*.so

# Distribution / packaging

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

alimd

Best Regular Expression for Detect Iranian Mobile Phone Numbers

I'm sure its best regular expression for detect iranian mobile number.

(0|\+98)?([ ]|,|-|[()]){0,2}9[1|2|3|4]([ ]|,|-|[()]){0,2}(?:[0-9]([ ]|,|-|[()]){0,2}){8}

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use in javascript