Michael0x2a

<#
.SYNOPSIS
    Logs out inactive users.
.DESCRIPTION
    Logs out inactive users, except for specific users that
    have been manually approved and are allowed to stay logged
    in for indefinite periods of time.

    You can run this script directly on Powershell:

Michael0x2a

\documentclass{article}
    % General document formatting
    \usepackage[margin=0.7in]{geometry}
    \usepackage[parfill]{parskip}
    \usepackage[utf8]{inputenc}
    
    % Related to math
    \usepackage{amsmath,amssymb,amsfonts,amsthm}

\begin{document}

Michael0x2a

CSE 143 16au study guide

How to study

Programming, to a large extent, is about applied problem-solving, and is not about memorization. This means that the best way to prep for programming exams isn't to sit down and read through the slides -- it's by solving a lot of problems.

As a result, I strongly recommend you do the following when preparing:

Michael0x2a

Quick guide to printf

Using printf is almost identical to using print. They both print out whatever string you give it, they both don't include a newline, etc. There's just one key difference: printf has some extra features that lets you substitute and format values inside whatever you're printing.

Pragmatically, in CSE 142/143, the only time you'd use printf is if you want to round numbers. Here's an example:

double someNumber = 3.33333333333
System.out.printf("Here's a number: %.2f", someNumber);

Michael0x2a

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from __future__ import division

import sympy
import matplotlib
import matplotlib.pyplot as pyplot

S = sympy.sympify

Michael0x2a

Reconstructing a Binary Tree

Problems 0 and 1 on the section handout today were all about writing out and reading in a tree (serializing and deserializing). Problem 0 asked you to take an existing tree and print it out into text form, and problem 1 asked you to read that output back in again using a Scanner, and reconstruct the tree.

Just as a reminder, here's the code on the solution sheet for problems 0 and 1:

// Problem 0
public void writeTree() {
    this.writeTreeHelper(this.root);

Michael0x2a

"""
convert_stubs.py

Modifies stub files to use variable annotations instead of type comments.

To run, pass in a path to the directory containing stubs. This script will
recursively traverse it and modify all .pyi files:

    $ python3 convert_stubs.py path/to/stubs

Michael0x2a

                                                                __________________________ testMetaclassOpAccessAny ___________________________                       
[gw1] win32 -- Python 3.6.3 c:\python3.6\python.exe                                                   
data: C:\Users\Michael\Dropbox\Projects\Code\Programs\mypy\mypy\test-data\unit\pythoneval.test:1206:  
..\..\..\..\Dropbox\Projects\Code\Programs\mypy\mypy\mypy\test\testpythoneval.py:42: in run_case      
    test_python_evaluation(testcase, os.path.join(self.cache_dir.name, '.mypy_cache'))                
..\..\..\..\Dropbox\Projects\Code\Programs\mypy\mypy\mypy\test\testpythoneval.py:97: in test_python_ev
aluation                                                                                              
    testcase.file, testcase.line))                                                                    
..\..\..\..\Dropbox\Projects\Code\Programs\mypy\mypy\mypy\test\helpers.py:111: in assert_string_arrays
_equal                           

Michael0x2a

_________________________ testTypeTypeComparisonWorks _________________________
[gw2] win32 -- Python 3.6.3 c:\python3.6\python.exe
data: C:\Users\Michael\Dropbox\Projects\Code\Programs\mypy\mypy\test-data\unit\check-classes.test:3251:
SystemExit: 1
---------------------------- Captured stdout call -----------------------------
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "<string>", line 8, in <module>
  File "c:\python3.6\lib\site-packages\execnet\gateway_base.py", line 1534, in serve
    SlaveGateway(io=io, id=id, _startcount=2).serve()

Michael0x2a

usage: mypy [-h] [-v] [-V] [more options; see below]
            [-m MODULE] [-p PACKAGE] [-c PROGRAM_TEXT] [files ...]

Mypy is a program that will type check your Python code.

Pass in any files or folders you want to type check. Mypy will
recursively traverse any provided folders to find .py files:

    $ mypy my_program.py my_src_folder