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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

Array

Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

jaege

#include <iostream>
using std::cout; using std::endl;

struct B {
  virtual void f1() { cout << "B::f1() "; }
  virtual void f2() { cout << "B::f2() "; }
  virtual void f3() { cout << "B::f3() "; }
  virtual void f6() final { cout << "B::f6() "; }
  void f7() { cout << "B::f7() "; }
  void f8() { cout << "B::f8() "; }

jaege

if has("autocmd")
  augroup vimrcCompileMap
    " Remove ALL autocommands for the current group. This prevents having the
    " autocommands defined twice (e.g., after sourcing the .vimrc file again).
    autocmd!

    " Map <F5> to save, compile and run single source file.
    if has("win32")
      autocmd FileType cpp nnoremap <buffer> <F5> :w<CR>:!cls && cl /EHsc % && %< <CR>
      autocmd FileType python nnoremap <buffer> <F5> :w<CR>:!py % <CR>

jaege

import pip
from subprocess import call

for dist in pip.get_installed_distributions():
    call("pip install --upgrade " + dist.project_name, shell=True)