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C state-machine design [closed]
... an enum. It also makes for much cleaner code since you don't need all the extra cruft of function pointers or huge switch statements and while loops. Did I mention it's more efficient too?
Here's what a state machine might look like:
void state_machine() {
first_state:
// Do some stuff here
...
textarea's rows, and cols attribute in CSS
...you use "em" rather than "px" then you can specify the width and height in characters as you would with 'rows' and 'cols' attributes. Even works with IE6 I believe.
– Swanny
Feb 11 '14 at 21:36
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CSS Image size, how to fill, not stretch?
...eight.
Method 4 uses a double image ( one as placeholder ) this gives some extra bandwidth overhead, but even better crossbrowser support.
Method 1 and 3 don't seem to work with Firefox
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im...
Why are static variables considered evil?
...n the container itself is not global. Compared to "normal" code, the only extra thing that a container-managed object is visible to is to the container itself. In fact, DI is very commonly used to avoid the Singleton Pattern.
– Floegipoky
Nov 27 '13 at 21:50
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What is Scala's yield?
...ommand line arguments to uppercase */
object Main {
def main(args: Array[String]) {
val res = for (a <- args) yield a.toUpperCase
println("Arguments: " + res.toString)
}
}
The corresponding expression in F# would be
[ for a in args -> a.toUpperCase ]
or
from a in args select ...
CSS Properties: Display vs. Visibility
... hickups if you switch between none and an other value during animations
extra notes:
images in hidden content: in all popular browsers images are still loaded, even though they are within any element with visibility: hidden; or display: none;
fonts in hidden content: webkit browsers (Chrome/Saf...
Can you change what a symlink points to after it is created?
... newdir to newfile), then you get the effect you were expecting. Just one extra complexity! Thank you for the response.
– Jonathan Leffler
Sep 24 '09 at 17:25
add a comment
...
Check if object value exists within a Javascript array of objects and if not add a new object to arr
...)){
// add fred
}
Map over existing users to create array of username strings.
Check if that array of usernames includes the new username
If it's not present, add the new user
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What integer hash function are good that accepts an integer hash key?
...mple) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is not uncommon), their hashes will be too. Thi...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...omedata). As you can see, this is not valid JSON. And, somedata can be a string, or a number, or whatever you want it to be.
– Ray Nicholus
Feb 14 '14 at 15:45
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