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Safe (bounds-checked) array lookup in Swift, through optional bindings?
...dex, endIndex which are Comparable . Of course, this won't work for some strange collections which, for example, don't have indices in the middle, solution with indices is more general one.
– zubko
Jun 20 '19 at 21:22
...
Difference between numeric, float and decimal in SQL Server
...h internally stores everything as a log of base 2. That allows a the full range of precision in one field with the drawback that only the first ~8 digits will be accurate.
– Bacon Bits
Nov 3 '15 at 15:49
...
How can I filter lines on load in Pandas read_csv function?
...lues? E.g.: constant1 > chunk['field'] > constant2. Or can I use 'in range' ?
– weefwefwqg3
Feb 19 '17 at 6:32
1
...
Python - 'ascii' codec can't decode byte
...eError: 'ascii' codec can't decode byte 0xe4 in position 0: ordinal not in range(128)
>>> u"你好".encode("utf8")
'\xe4\xbd\xa0\xe5\xa5\xbd'
Further reading: Unicode HOWTO.
share
|
impro...
How to reset sequence in postgres and fill id column with new data?
...
FYI: If you need to specify a new startvalue between a range of IDs (256 - 10000000 for example):
SELECT setval('"Sequence_Name"',
(SELECT coalesce(MAX("ID"),255)
FROM "Table_Name"
WHERE "ID" < 10000000 and "ID" >= 256)+1
);
...
SQL : BETWEEN vs =
...
Strange...I think I got confused by the question, the writing of the answer, the comments and the fact that my code obviously has a bug now =)
– xmashallax
Sep 19 '16 at 11:48
...
Performance of foreach, array_map with lambda and array_map with static function
...nt PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(0, 1000000);
$ret = $func($numbers);
$t1 = microtime(1);
return array($t1 - $t0, $ret);
}
function useForeach($numbers) {
$result = array();
foreach ($numbers as $number) {
$result[] = $number * 10;
...
Why can't I define a default constructor for a struct in .NET?
...proach is not especial casing but its using offset which will work for all ranges.
example with enums as field.
public struct Difficaulty
{
Easy,
Medium,
Hard
}
public struct Level
{
const Difficaulty DefaultLevel = Difficaulty.Medium;
private Difficaulty _level; // this field...
Is there a common Java utility to break a list into batches?
...am.empty();
int fullChunks = (size - 1) / length;
return IntStream.range(0, fullChunks + 1).mapToObj(
n -> source.subList(n * length, n == fullChunks ? size : (n + 1) * length));
}
public static void main(String[] args) {
List<Integer> list = Arrays.asList(1, 2, 3, 4, 5...
How to use a switch case 'or' in PHP
...ng with large cases ... imagine 1 to 100 this would work perfectly
$r1 = range(1, 100);
$r2 = range(100, 200);
$v = 76;
switch (true) {
case in_array($v, $r1) :
echo 'the value is in range 1 to 100';
break;
case in_array($v, $r2) :
echo 'the value is in range 100 to...