Category "boolean"

Effect of tilde on booleans — why ~True is -2 & ~False is -1 in Python? [duplicate]

I found that ~True is -2 and ~False is -1. Why is this? W3Schools says that ~ inverts all the bits. Why isn't ~True is False and ~False is Tru

Filtering array with Boolean giving unexpected results

I can't understand why the output is 17 its only returning the true values not the false values either that the false value are boolean also function countSheep

I can`t call the bool function in c++ (closed)

Hey guys please help me on this I have tried calling my bool function in my main func but it wont even show the first cout of program and the compiler terminate

How do I capture inputs from a system.out.println to compare if they match? [duplicate]

I am a first year studying app development and I have a login and registration assignment. But Im struggling to make a method where it checks

How to make palindrome program using recursion ignore special characters in all places of the string in java?

I am having a slight logic error with my palindrome program in that when I insert special characters in the front or end of the string I get an indication that

How can I fetch a NULL boolean from Postgres in Go?

Go's zero value for a bool type is false. Postgres supports an undefined BOOL type, represented as NULL. This leads to problems when trying to fetch a BOOL val

Top-level Bool encoded as number property list fragment. PropertyListEncoder

I have this generic function to save in NSUserDefaults, in generally works but now I want to save a boolean value and I get an error. I could not find anything

Which one is safer to use? " ==TRUE" or " != FALSE"

Is it better to compare a boolean type variable with: == FALSE and != FALSE; or == TRUE and != TRUE?

Remove rows that contain False in a column of pandas dataframe

I assume this is an easy fix and I'm not sure what I'm missing. I have a data frame as such: index c1 c2 c3 2015-03-07 01:2

convert "Yes" or "No" to boolean

I want to parse user values contained in .CSV file. I don't want my users to enter "Yes" or "No" but instead enter "True" or "False". In each case I want to c

Perl: JSON::XS Is it possible to force boolean decoding as 1/0?

Package JSON::XS uses JSON::XS::Boolean objects to represent true/false. Is it possible to force decoding true/false json values as 1/0 Perl numbers? #!/usr/bi

Is it possible to distinguish Bool and Int in Swift?

I have an AnyObject type that can be String, Int or Bool type. I need to distinguish them. This code tries to do so, but it considers Bool to be Int: import C

Is it possible to distinguish Bool and Int in Swift?

I have an AnyObject type that can be String, Int or Bool type. I need to distinguish them. This code tries to do so, but it considers Bool to be Int: import C

Evaluate command line argument as boolean expression

I'm trying to take a string, passed as an argument, and evaluate it as a boolean expression in an if conditional statement. For example, the user invokes MyPro

Assembly - How To Set A Boolean Variable

Can someone tell me how to set a Boolean variable in Assembly TASM? I have been looking on the Internet and I can't find a proper explanation. Thanks to anyone

How can I map True/False to 1/0 in a Pandas DataFrame?

I have a column in python pandas DataFrame that has boolean True/False values, but for further calculations I need 1/0 representation. Is there a quick pandas/n