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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
- Difference among always_ff, always_comb, always_latch and always
I am totally confused among these 4 terms: always_ff, always_comb, always_latch and always How and for what purpose can these be used?
- 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
- How to keep one variable constant with other one changing with row in . . .
205 Lets say I have one cell A1, which I want to keep constant in a calculation For example, I want to calculate a value like this: =(B1+4) (A1) How do I make it so that if I drag that cell to make a calculation across cells in many rows, only the B1 value changes, while A1 always references that cell, instead of going to A2, A3, etc ?
- vim line numbers - how to have them on by default?
I can :set number from within a file I'm editing but how can I have them always be on by default?
- Making a div vertically scrollable using CSS - Stack Overflow
If you always want the vertical scrollbar to appear: You should use overflow-y: scroll This forces a scrollbar to appear for the vertical axis whether or not it is needed If you can't actually scroll the context, it will appear as a"disabled" scrollbar If you only want a scrollbar to appear if you can scroll the box: Just use overflow: auto
- How to configure command line git to use ssh key
When I do git pull via the command line, it always asks for my github username and password I'd like to tell it to use the ssh key in github, and never have to worry about it again How do you d
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