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How do I declare a 2d array in C++ using new?
...tend to live in discontinuous parts of memory. One row may be at address 1,000, another at address 100,000—you get the idea. This means that when you're traversing the matrix, you're leaping through memory like a wild person. This tends to result in cache misses that vastly slow down your processi...
Generate random string/characters in JavaScript
...aracters, you can expect to see a duplicate after generating only about 50,000 strings, due to the birthday paradox. (sqrt(36^6) = 46656)
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What's the most efficient way to erase duplicates and sort a vector?
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@Kyle: It's pretty large. I used datasets of 1,000,000 randomly drawn integers between 1 and 1000, 100, and 10 for this graph.
– Nate Kohl
Jun 26 '09 at 15:10
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Convert hex color value ( #ffffff ) to integer value
...eiving hex color values from a server (in this form, #xxxxxx , example #000000 for black)
9 Answers
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Difference between JSON.stringify and JSON.parse
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JSON.stringify(new Date(2006, 0, 2, 15, 4, 5))
// '"2006-01-02T15:04:05.000Z"'
JSON.stringify({ x: 5, y: 6 });
// '{"x":5,"y":6}' or '{"y":6,"x":5}'
JSON.stringify([new Number(1), new String('false'), new Boolean(false)]);
// '[1,"false",false]'
JSON.parse()
The JSON.parse() method parses a ...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
... insert at a time using single insert statement. is it allow me to insert 10000 rows at a time?
– Naresh Ramoliya
Apr 30 '16 at 8:02
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“Code too large” compilation error in Java
...re any maximum size for code in Java? I wrote a function with more than 10,000 lines. Actually, each line assigns a value to an array variable.
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Does Django scale? [closed]
...21.4.2015) and 70 Million users in 2013
Bitbucket: 200TB of Code and 2.500.000 Users
Disqus: Serving 400 million people with Python.
curse.com: 600k daily visits.
tabblo.com: 44k daily visits, see Ned Batchelder's posts Infrastructure for modern web sites.
chesspark.com: Alexa rank about 179k.
pownc...
How can I determine if a String is non-null and not only whitespace in Groovy?
...ss.getNotBlank = { !delegate.allWhitespace }
which let's you do:
groovy:000> foo = ''
===>
groovy:000> foo.notBlank
===> false
groovy:000> foo = 'foo'
===> foo
groovy:000> foo.notBlank
===> true
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Difference between declaring variables before or in loop?
...like that to be done. I ran this test around 10 times on my machine for 50,000,000-100,000,000 iterations with almost an identical piece of code (that I would love to share with anyone who wants to run stats). The answers were split almost equally either way usually by a margin of 900ms (over 50M it...