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Extracting bits with a single multiplication
...he end, but whose carry bits end up interfering in the important un-masked range? (and note: the n-1 requirement makes sure this doesn't happen by making sure the i-1 bits after our un-masked range are clear when we shift the the ith bit)
...a...b..c...d... Potential failure on carry-bits, c is in ...
Java: Integer equals vs. ==
...gers.
If the value p being boxed is true, false, a byte, a char in the range \u0000 to \u007f, or an int or short number between -128 and 127, then let r1 and r2 be the results of any two boxing conversions of p. It is always the case that r1 == r2.
Resources :
JLS - Boxing
On the same t...
Does Java have a complete enum for HTTP response codes?
...art of the standard library but unfortunately it's incomplete - in the 400 range for example it cuts off at 415.
– tschumann
May 1 at 2:46
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How is malloc() implemented internally? [duplicate]
...le, the memory will be "backed" by actual physical pages when that address range is accessed, which will result in a page fault, and will eventually lead to the kernel calling into the page allocator to get a backing page.
s...
What is the difference between ArrayList.clear() and ArrayList.removeAll()?
...
@ateiob e.remove() is two extra method calls, a range check, and an object return (internal to AbstractList.Itr.remove() and ArrayList.remove(int)), too
– Atreys
Aug 11 '11 at 20:19
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Reading and writing binary file
...is code safe for reading non-text base file? My knowledge is short in this range :)
– Andiana
Nov 8 '16 at 15:09
5
...
How to split a string and assign it to variables
...ring) map[string]string {
m := make(map[string]string)
for _, v := range args {
strs := strings.Split(v, "=")
if len(strs) == 2 {
m[strs[0]] = strs[1]
} else {
log.Println("not proper arguments", strs)
}
}
return m
}
...
How to find the type of an object in Go?
...t"
func main(){
types := []interface{} {"a",6,6.0,true}
for _,v := range types{
fmt.Printf("%T\n",v)
}
}
Outputs:
string
int
float64
bool
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...
How to wait in a batch script? [duplicate]
...PING: transmit failed. General failure. probably because I'm in a 10.x.x.x range.
– huysentruitw
May 28 '13 at 7:13
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Getting a timestamp for today at midnight?
... The PHP docu for strtotime states: "For 64-bit versions of PHP, the valid range of a timestamp is effectively infinite, as 64 bits can represent approximately 293 billion years in either direction." So it only applies to 32bit php.
– Christopher K.
Aug 28 '17 ...