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How many double numbers are there between 0.0 and 1.0?
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Java doubles are in IEEE-754 format, therefore they have a 52-bit fraction; between any two adjacent powers of two (inclusive of one and exclusive of the next one), there will therefore be 2 to the 52th power different doubles (i.e., 4503599627370496 of them). For example, that's the...
Proper way to wait for one function to finish before continuing?
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edited Feb 25 at 22:09
answered Feb 3 '14 at 1:24
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Command line CSV viewer? [closed]
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452
You can also use this:
column -s, -t < somefile.csv | less -#2 -N -S
column is a standard ...
Is there a function to make a copy of a PHP array to another?
...signed by reference. This means that:
$a = array();
$b = $a;
$b['foo'] = 42;
var_dump($a);
Will yield:
array(0) {
}
Whereas:
$a = new StdClass();
$b = $a;
$b->foo = 42;
var_dump($a);
Yields:
object(stdClass)#1 (1) {
["foo"]=>
int(42)
}
You could get confused by intricacies such...
What are “connecting characters” in Java identifiers?
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270
Here is a list of connecting characters. These are characters used to connect words.
http://w...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
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How do I deep copy a DateTime object?
Now $date1 and $date2 contain the same date -- three years from now. I'd like to create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this:
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Oracle TNS names not showing when adding new connection to SQL Developer
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Kris Rice
2,8401111 silver badges3131 bronze badges
answered Jan 8 '09 at 17:17
JaseAndersonJaseAnderson
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Passing Objects By Reference or Value in C#
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edited May 21 '19 at 8:12
answered Jan 3 '12 at 6:24
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