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Summary INF1003F- Commercial Programming code annotations R65,00   Add to cart
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  2.  
  3. University Of Cape Town (UCT)
  4.  
  5. (INF2003F)

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Summary INF1003F- Commercial Programming code annotations
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Comprehensive examples of all types of code questions they could as and how to do/ understand all lines of code for the entire course. Workshops & lecture examples with annotations.

Last document update: 1 year ago

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  • November 3, 2023
  • November 4, 2023
  • 63
  • 2023/2024
  • Summary

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1




&




the following code is executed when the click button is clicked d
↳




↳ parse converts a string data type to another data type


E specify what we are parsing the “textBox1” string into i.e. we want it to be a double precision
floating point number
assigning a variable a double type means the variable now has the ability to hold any whole number,
decimal or fraction value
a variable and assigning it to the double data type so it can holds floating
⑳ declaring point decimals (double takes up 8 bytes of space and float takes up 4 bytes)
⑰ fixed values means the decimal point is fixed
floating point means the decimal can move (floating)
- float (less precise)
num
- double (double precision of float, better/ more accepted)
7 doing math and assigning the int is a whole number or number that can’t be divided
answer to the variable f
nu




⑳ converts an object to a string so that it can be displayed back to the user

,2




- clear text boxes

,3




data
variables B them the
integer type
enex defining giving
a




-> close form




Y convert the text box txtScore which is a .Text data type to an integer
data type




Y when the clear button is clicked the text
boxes highlighted in pink are cleared of
whatever user input was in them

, 4




text box 1




varible subtotal
I define



-
m = is a type of decimal for money, it takes the decimal values and rounds (if necessary) to
the nearest representable value using bankers rounding


if radio button hamburger is checked then the other checkboxes are false


if the hamburger radio button is checked change the text of
the checkboxes to display what we put in “quotes”

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