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Asking the user for input until they give a valid response
...logic.
while True:
data = input("Please enter a loud message (must be all caps): ")
if not data.isupper():
print("Sorry, your response was not loud enough.")
continue
else:
#we're happy with the value given.
#we're ready to exit the loop.
break
w...
Why does Python use 'magic methods'?
...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
7 Answers
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Should I implement __ne__ in terms of __eq__ in Python?
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this is the right answer (down here, by @aaron-hall). The documentation you quoted does not encourage you to implement __ne__ using __eq__, only that you implement it.
– guyarad
Sep 8 '16 at 13:07
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How to get the input from the Tkinter Text Widget?
...he end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on.
def retrieve_input():
input...
What is the difference between quiet NaN and signaling NaN?
...unit (FPU) or library if floating-point is implemented in software. A signalling NaN will produce a signal, usually in the form of exception from the FPU. Whether the exception is thrown depends on the state of the FPU.
C++11 adds a few language controls over the floating-point environment and pr...
Margin on child element moves parent element
...s as follows
.parent::before {
clear: both;
content: "";
display: table;
margin-top: -1px;
height: 0;
}
https://jsfiddle.net/hLgbyax5/1/
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Abstract Class vs Interface in C++ [duplicate]
... COM. In fact, a COM component exports only interfaces (i.e. pointers to v-tables, i.e. pointers to set of function pointers). This helps defining an ABI (Application Binary Interface) that makes it possible to e.g. build a COM component in C++ and use it in Visual Basic, or build a COM component in...
__init__ for unittest.TestCase
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+1 I'd initialise the base class before calling any object method though.
– Joachim Isaksson
Jun 27 '13 at 21:25
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Sql Server string to date conversion
...18-10-25 20:44:11.500', 121) -- yyyy-mm-dd hh:mm:ss.mmm
And refer to the table in the official documentation for the conversion codes.
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how to draw smooth curve through N points using javascript HTML5 canvas?
...he resulting line is not smooth. How can I produce a single curve between all the gathered points?
11 Answers
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