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syntax

How-to articles, tricks, and solutions about SYNTAX

How can I do a line break (line continuation) in Python?

In Python, you can use the "" character to indicate a line continuation.

python syntax line-breaks long-lines

Is there a goto statement in Java?

No, Java does not have a goto statement.

java keyword syntax goto

Putting a simple if-then-else statement on one line

In Python, you can put a simple if-then-else statement on one line using the ternary operator, which is represented by the "?" symbol.

python if-statement ternary-operator syntax

Python integer incrementing with ++

Python does not have a ++ operator for incrementing integers like some other programming languages.

python syntax increment

syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING

This error message is typically encountered when there is a problem with the syntax of a string in PHP.

php parsing syntax

What does all mean in Python?

In Python, __all__ is a list of strings that defines the names that should be imported when from <module> import * is used.

python syntax namespaces

What does ** (double star/asterisk) and * (star/asterisk) do for parameters?

In Python, the double star (**) is used to denote an "unpacking" operator, which allows you to unpack a dictionary or other iterable data type into keyword arguments in a function call.

python parameter-passing syntax variadic-functions argument-unpacking

What does the "at" (@) symbol do in Python?

In Python, the "at" (@) symbol is used to decorate a function.

python syntax python-decorators

What is the difference between single-quoted and double-quoted strings in PHP?

In PHP, single-quoted strings and double-quoted strings are very similar, with a few key differences.

php string syntax