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Obsidian was founded by Shida Li and Erica Xu while quarantining during the COVID-19 pandemic. [9] Li and Xu, who had met while studying at the University of Waterloo, had already collaborated on several development projects. [10] Obsidian was initially released on 30 March 2020. [11] Version 1.0.0 was released in October 2022. [12] [13]
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In Extended BASIC one could write a simple statement like IF X > 10 THEN X = X-1. This also worked in the ELSE clause, allowing statements like IF A = 4 AND B = 6 THEN R = 10 ELSE PRINT "OOPS". [18] Other additions include a small selection of new statements, including ACCEPT, IMAGE, LINPUT, ON BREAK, ON ERROR, ON WARNING, SUB, SUBEND and SUBEXIT.
On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [1] [2] [3] On an expression or formula calculator, one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression.
If you add the scoped parameter, then calculators inside the enabled branch do not affect other calculators on the page. There is also a refreshonload parameter to force a refresh on first page load instead of first interaction as usual.
See also: the {{}} template. The #if function selects one of two alternatives based on the truth value of a test string. {{#if: test string | value if true | value if false}} As explained above, a string is considered true if it contains at least one non-whitespace character.
If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...