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JavaScript % (modulo) gives a negative result for negative numbers
...) % n;
}
Use:
function mod(n, m) {
return ((n % m) + m) % m;
}
See: http://jsperf.com/negative-modulo/2
~97% faster than using prototype. If performance is of importance to you of course..
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UILabel text margin [duplicate]
...cause many issue regarding lineBreakingMode and placement of ellipsis. The computed needed size for the string isn't equal the size given to drawing it, or am I wrong?
– Patrik
Mar 2 '15 at 15:09
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Redis: Show database size/size for keys
...multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that give me more information when monitoring the redis server would be appreciated.
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Process all arguments except the first one (in a bash script)
...
http://wiki.bash-hackers.org/scripting/posparams
It explains the use of shift (if you want to discard the first N parameters) and then implementing Mass Usage
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Modify/view static variables while debugging in Eclipse
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Custom thread pool in Java 8 parallel stream
...cute it as a task in a fork-join pool, it stays there and does not use the common one.
final int parallelism = 4;
ForkJoinPool forkJoinPool = null;
try {
forkJoinPool = new ForkJoinPool(parallelism);
final List<Integer> primes = forkJoinPool.submit(() ->
// Parallel task ...
How to study design patterns? [closed]
...Derek Banas made youtube tutorials for desing patterns that I like a lot:
http://www.youtube.com/playlist?list=PLF206E906175C7E07
They can be a little short in time, but his timing and presentation makes them very enjoyful to learn.
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A Regex that will never be matched by anything
...ine anchor, and only then not find the a and return a negative match. (See comment below for more detail.)
* Originally I did not give much thought on multiline-mode regexp, where $ also matches the end of a line. In fact, it would match the empty string right before the newline, so an ordinary c...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
...side of the esoteric case of unhashable and unsortable elements.
def equal_ignore_order(a, b):
""" Use only when elements are neither hashable nor sortable! """
unmatched = list(b)
for element in a:
try:
unmatched.remove(element)
except ValueError:
...
How to check if one DateTime is greater than the other in C#
...s all my unit tests:
public DateTime Start
{
get { return _start; }
set
{
if (_end.Equals(DateTime.MinValue))
{
_start = value;
}
else if (value.Date < _end.Date)
{
_start ...