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A fast method to round a double to a 32-bit int explained
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For those who'd like to convert to int64_t you can do that by shifting the mantissa left and then right by 13 bits. This will clear the exponent and the two bits from the 'magic' number, but will keep and propagate the sign to the entire 64-bit signed integer. unio...
Emulate a do-while loop in Python?
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– Noctis Skytower
Sep 11 '12 at 20:05
2
@ZeD, why is 1) ugly? It's quite Ok, IMHO
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Convert a float64 to an int in Go
...onv"
)
func main() {
floats := []float64{1.9999, 2.0001, 2.0}
for _, f := range floats {
t := int(f)
s := fmt.Sprintf("%.0f", f)
if i, err := strconv.Atoi(s); err == nil {
fmt.Println(f, t, i)
} else {
fmt.Println(f, t, err)
}
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Difference between single and double square brackets in Bash
... && b = b ]]: true, logical and
[ a = a && b = b ]: syntax error, && parsed as an AND command separator cmd1 && cmd2
[ a = a -a b = b ]: equivalent, but deprecated by POSIX³
[ a = a ] && [ b = b ]: POSIX and reliable equivalent
(
[[ (a = a || a = b) &...
Tab Vs Space preferences in Vim
...he width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabstop setting influences the amount of whitespace to be inserted when you press the Tab key in insert mode. If expandtab ...
Docker can't connect to docker daemon
After I update my Docker version to 0.8.0 , I get an error message while entering sudo docker version :
40 Answers
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How to capture a list of specific type with mockito
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Not sure this example is complete. I get... Error:(240, 40) java: variable captor might not have been initialized i like tenshi's answer below
– Michael Dausmann
Oct 17 '14 at 6:13
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Passing a URL with brackets to curl
If I try to pass a URL to curl that contains brackets, it fails with an error:
2 Answers
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How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
...re of StackOverflow, so check the version history on the answer to see the error).
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How do I run two commands in one line in Windows CMD?
...mmand only if the first command did not complete successfully (receives an error code greater than zero).
( ) [...]
(command1 & command2)
Use to group or nest multiple commands.
; or ,
command1 parameter1;parameter2
Use to separate command parameters.
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