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Is it correct to use JavaScript Array.sort() method for shuffling?
...orithm which effectively partitions the collection into "shuffled" (at the start of the collection, initially empty) and "unshuffled" (the rest of the collection). At each step of the algorithm, pick a random unshuffled element (which could be the first one) and swap it with the first unshuffled ele...
When to use ' (or quote) in Lisp?
...ring and returning a list of the resulting ... things. Let's make a false start:
(defun mess-with (number string)
'(value-of-number (1+ number) something-with-string (length string)))
Lisp> (mess-with 20 "foo")
(VALUE-OF-NUMBER (1+ NUMBER) SOMETHING-WITH-STRING (LENGTH STRING))
Hey! That's...
Is there any way to call a function periodically in JavaScript?
...ask.name + ' task has run ' + task.currentRuns + ' times.');
}
});
// Start the timer
timer.start();
TaskTimer works both in browser and Node. See documentation for all features.
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How to append a char to a std::string?
...al studio 2015 as compiler and my processor is an i7, 8Hz, 2GHz.
long start = clock();
int a = 0;
//100000000
std::string ret;
for (int i = 0; i < 60000000; i++)
{
ret.append(1, ' ');
//ret += ' ';
//ret.push_back(' ');
//ret.insert(ret.end...
How to query MongoDB with “like”?
...st do a table scan, then it can certainly be expensive. If you're doing a 'starts with' regex query, then that can use an index. Best to run an explain() to see what's happening.
– Kyle Banker
Jul 22 '10 at 14:49
...
Can “using” with more than one resource cause a resource leak?
...WeylandYutani: This is a question-and-answer site. If you have a question, start a new question please!
– Eric Lippert
Jan 14 '14 at 20:31
5
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Decimal number regular expression, where digit after decimal is optional
...digits (\d*).
Depending on your usage or regex engine you may need to add start/end line anchors:
/^\d+\.?\d*$/
Debuggex Demo
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Hg: How to do a rebase like git's rebase
...r you're describing, which is nearly daily, here's the pattern I take:
1. Start working on a new feature:
$ hg clone mainline-repo newfeature-123
do a few commits (M, N, O)
master A---B---C
\
newfeature-123 M---N---O
2. Pull new changes from upstream mainline:
$ hg pull
master ...
How do we use runOnUiThread in Android?
... e.printStackTrace();
}
}
}
}.start();
}
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Difference between JVM and HotSpot?
... of the Java Platform, Standard Edition (Java SE).The openjdk is a project started by Sun Microsystems, nowadays care by many companies and the community for build a Java Development Kit absolutely in open source. As per the official documentation.
OpenJDK is an open-source implementation of the Ja...