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      @try
      {
         NSUndoManager* undoManager = [self undoManager];
        
         id undostack = object_getIvar(undoManager, class_getInstanceVariable([NSUndoManager class], "_undoStack"));
         id redostack = object_getIvar(undoManager, class_getInstanceVariable([NSUndoManager class], "_redoStack"));
         
         NSLog(@"%@",[NSString stringWithFormat:@"(%lu entries) %@", (unsigned long)[undostack count], [undostack description]]);
         NSLog(@"%@",[NSString stringWithFormat:@"(%lu entries) %@", (unsigned long)[redostack count], [redostack description]]);
      }

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   id undostack = object_getIvar(undoManager, class_getInstanceVariable([NSUndoManager class], NEVER_TRANSLATE("_undoStack")));
   id headAction = object_getIvar(undostack, class_getInstanceVariable([undostack class], NEVER_TRANSLATE("_head")));
   id nextAction = object_getIvar(headAction, class_getInstanceVariable([headAction class], NEVER_TRANSLATE("next")));

   const char *beginGroupName = NEVER_TRANSLATE("_NSUndoBeginMark");
   const char *nextActionName = object_getClassName(nextAction);
   if( strcmp(beginGroupName,nextActionName) == 0 )
   {
      [undoManager undo];
   }

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inputNum = 1234
reverseNum = 0
while inputNum > 0:
  reverseNum = (reverseNum*10) + (inputNum%10)
  inputNum = inputNum/10

print reverseNum

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# Write a function that takes a head node; 
# then iterates through a singly-linked list starting from the head node, and remove any nodes that have duplicate values


class Node():
  def __init__(self, value):
    self.value = value
    self.next = None

myNode1 = Node(1)

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# Write a method that takes a single integer and prints that integer to the power of 100 

firstNum = 3
numArray = [firstNum]
for i in range(0,99): 
  previousCarry = 0
  lastValue = 0
  lengthOfArray = len(numArray)
  for j in range(0,lengthOfArray):
    newProduct = firstNum * numArray[j] + previousCarry

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-[NSNotificationCenter addObserver:selector:name:object:]
and

-[NSNotificationCenter addObserverForName:object:queue:usingBlock:]
With the condition:

(BOOL)[@"fractionCompleted" isEqualToString:(id)$r8]
and

(BOOL)[@"fractionCompleted" isEqualToString:(id)$rdx]

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#NOTE: #### denotes additions to the code between questions

#Find the length of a string
#Nerf toss question to warm them up



#Write a function that takes two strings, and find if the first string contains the second string

def findSubstring( main, sub ):

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import csv
import requests


GITHUB_USER = ''
GITHUB_PASSWORD = ''
REPO = 'TechSmith/Snagit'  # format is username/repo

ISSUES_FOR_REPO_URL = 'https://api.github.com/repos/techsmith/snagit/issues?state=closed&labels=Bug'
AUTH = (GITHUB_USER, GITHUB_PASSWORD)

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import csv
import requests
import re

try:
    from bs4 import BeautifulSoup 
except ImportError:
    from BeautifulSoup import BeautifulSoup
    
g2URL = 'https://www.g2crowd.com/products/snagit/reviews?page='

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Write a text autocorrect app

We provide small dictionary (100 words)

Project Specifications:
Write an application that takes a string, and has a button that tells you if the word is valid or not.
We will provide a dictionary, with valid words delimited by newlines.
If the word is not valid, display a suggested word and give the user an option to change their word to the suggested word.
Add a button that adds the current inputted word into the dictionary