Tech Consulting from https://unsplash.com/photos/n8Qb1ZAkK88 Case Architecture Strategy: Federal Finance Agency Practice Case from Deloitte and Christine Wong1. Architecture Strategy: Federal Finance Agency Our client is a small division of a large Federal Finance Agency that is in charge of administering and enforcing economic and trade sanctions determined by US foreign policy and national security goals. BUSINESS SITUATION The agency’s office uses a number of software application systems to track and manage cases, applications, transactions, and other financial documents.

What’s Topological Sorting Topological sorting for Directed Acyclic Graph (DAG) is a linear ordering of vertices such that for every directed edge u v, vertex u comes before v in the ordering.1 Note: Topological Sorting for a graph is not possible if the graph is not a DAG. (i.e. If there is a loop/cycle in the Graph) Below is the implementation of the above approach: Examples Course Schedule II LeetCode 210.

What’s TCP/IP Internet protocol suite1 The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the set of communication protocols used in the Internet and similar computer networks according to functional criteria. foundational-protocols The foundational protocols in the suite are Transmission Control Protocol (TCP) User Datagram Protocol (UDP) Internet Protocol (IP) In the development of this networking model, early versions of it were known as the Department of Defense (DoD) model because the research and development were funded by the United States Department of Defense through DARPA.

Sample Situation Delete Duplicate Emails - LeetCode Table: Person 1 2 3 4 5 6 7 8 +-------------+---------+ | Column Name | Type | +-------------+---------+ | id | int | | email | varchar | +-------------+---------+ id is the primary key column for this table. Each row of this table contains an email. The emails will not contain uppercase letters. Write an SQL query to delete all the duplicate emails, keeping only one unique email with the smallest id.

This is a follow-up to What Happens When You Click a Link? URL/ HTTP/ Domain Name/ DNS/ IP Address - Hung, Chien-Hsiang | Blog (chienhsiang-hung.github.io). Requests Exceptions 1 2 3 4 try: r = requests.get(url, params={'s': thing}) except: requests.ConnectionError, e: print(e) This will not cover all of bases. It’ll only catch connection-related errors, not ones that time out for instance. Have a look at the Requests exception docs. In short:

URL What happens when we hit any URL? Before discussing what happens after hitting the URL, we must go through what a URL actually is, and what different parts of the URL mean - right? Without wasting any time, let’s understand more about URLs. URL – Uniform Resource Locator If you look into its full form, then it is self explanatory: it has the location of