literals Archives - IT Nursery

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Literal notation for Dictionary in C#?

I currently have a WebSocket between JavaScript and a server programmed in C#. In JavaScript, I can pass data easily using an associative ...

May 28, 2022
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C# short/long/int literal format?

In C/C#/etc. you can tell the compiler that a literal number is not what it appears to be (ie., float instead of double, ...

May 26, 2022
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Why can’t Python’s raw string literals end with a single backslash?

Technically, any odd number of backslashes, as described in the documentation. >>> r'\' File "<stdin>", line 1 r'\' ^ SyntaxError: EOL while scanning ...

May 25, 2022
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Java: how do I get a class literal from a generic type?

Typically, I’ve seen people use the class literal like this: Class<Foo> cls = Foo.class; But what if the type is generic, e.g. List? ...

May 24, 2022
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(-2147483648> 0) returns true in C++?

-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence: if ...

May 22, 2022
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How do you specify a byte literal in Java?

If I have a method void f(byte b); how can I call it with a numeric argument without casting? f(0); gives an error. ...

May 20, 2022
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What is the >>>= operator in C?

Given by a colleague as a puzzle, I cannot figure out how this C program actually compiles and runs. What is this >>>= ...

May 17, 2022
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Why does instanceof return false for some literals?

"foo" instanceof String //=> false "foo" instanceof Object //=> false true instanceof Boolean //=> false true instanceof Object //=> false false instanceof Boolean ...

May 15, 2022
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How do you express binary literals in Python?

How do you express an integer as a binary number with Python literals? I was easily able to find the answer for hex: ...

May 9, 2022
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What does the M stand for in C# Decimal literal notation?

In order to work with decimal data types, I have to do this with variable initialization: decimal aValue = 50.0M; What does the ...

May 8, 2022
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