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verilog - What does always block @ (*) means? - Stack Overflow The (*) means "build the sensitivity list for me" For example, if you had a statement a = b + c; then you'd want a to change every time either b or c changes In other words, a is "sensitive" to b c So to set this up: always @( b or c ) begin a = b + c; end But imagine you had a large always block that was sensitive to loads of signals Writing the sensitivity list would take ages In fact
Verilog Always block using (*) symbol - Stack Overflow The always @(*) syntax was added to the IEEE Verilog Std in 2001 All modern Verilog tools (simulators, synthesis, etc ) support this syntax Here is a quote from the LRM (1800-2009): An incomplete event_expression list of an event control is a common source of bugs in register transfer level (RTL) simulations The implicit event_expression, @*, is a convenient shorthand that eliminates these
verilog - Use of forever and always statements - Stack Overflow The difference between forever and always is that always can exist as a "module item", which is the name that the Verilog spec gives to constructs that may be written directly within a module, not contained within some other construct initial is also a module item always blocks are repeated, whereas initial blocks are run once at the start of
How to stick a footer to bottom in css? - Stack Overflow If you position your footer using "bottom:0px", it will always stay at the bottom of the viewport even if the viewport is too small to display all the content, which means it will cover part of your content If you want your footer stuck to the bottom, but you always want it to remain below the content of your container, then you do this:
Which equals operator (== vs ===) should be used in JavaScript . . . It's mutually exclusive to its negation: (a == b) and (a != b) always hold opposite Boolean values, with all a and b In case of doubt, learn by heart the following truth table: EQUAL OPERATOR TRUTH TABLE IN JAVASCRIPT Each row in the table is a set of 3 mutually "equal" values, meaning that any 2 values among them are equal using the equal
Is Java pass-by-reference or pass-by-value? - Stack Overflow 103 Java is always pass by value, not pass by reference First of all, we need to understand what pass by value and pass by reference are Pass by value means that you are making a copy in memory of the actual parameter's value that is passed in This is a copy of the contents of the actual parameter
How to set npm credentials using `npm login` without reading from stdin? npm ping has been set up precisely to allow testing connectivity and credentials Also note that sometimes it's useful to output to a local npmrc file instead of always putting it in the user's HOME folder—especially to avoid blowing up the user's normal day-to-day configuration just because some automation command was run