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data.table vs dplyr: can one do something well the other can't or does poorly?
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4 Answers
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PHP file_get_contents() and setting request headers
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edited May 11 '17 at 14:34
Federkun
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answered J...
How do I clear stuck/stale Resque workers?
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14 Answers
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Can virtual functions have default parameters?
...ng std::cout;
using std::endl;
struct Base { virtual string Speak(int n = 42); };
struct Der : public Base { string Speak(int n = 84); };
string Base::Speak(int n)
{
stringstream ss;
ss << "Base " << n;
return ss.str();
}
string Der::Speak(int n)
{
stringstream ss;
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How do I insert NULL values using PDO?
... NoobEditor
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answered Sep 8 '09 at 3:23
JasonWoofJasonWoof
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Failed to load c++ bson extension
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Neuquino
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answered Feb 26 '14 at 22:16
Pradeep MahdevuPradeep Mahdevu
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Studies on optimal code width?
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answered Feb 23 '09 at 15:47
anonanon
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Twitter API returns error 215, Bad Authentication Data
...ncode($token_secret);
// generate the hash
$signature = rawurlencode(base64_encode(hash_hmac('sha1', $base_string, $key, true)));
// this time we're using a normal GET query, and we're only encoding the query params
// (without the oauth params)
$url .= "?".http_build_query($query);
$url=str_repla...
What is the difference between “def” and “val” to define a function
...; Int = {
val r = util.Random.nextInt
() => r
}
test()
// Int = -1049057402
test()
// Int = -1049057402 - same result
def test: () => Int = {
val r = util.Random.nextInt
() => r
}
test()
// Int = -240885810
test()
// Int = -1002157461 - new result
val evaluates when defined, de...
How to keep the spaces at the end and/or at the beginning of a String?
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Tot Zam
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answered Feb 5 '10 at 11:05
duessiduessi
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