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In SQL, how can you “group by” in ranges?
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Neither of the highest voted answers are correct on SQL Server 2000. Perhaps they were using a different version.
Here are the correct versions of both of them on SQL Server 2000.
select t.range as [score range], count(*) as [number of occurences]
from (
select case
when score bet...
Android and XMPP: Currently available solutions [closed]
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106
Smack
Smack is a open-source XMPP client library. Since version 4.1 it runs natively on Android...
What are the differences between 'call-template' and 'apply-templates' in XSL?
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edited Feb 14 '15 at 22:00
Johnny Bones
8,08255 gold badges3636 silver badges9393 bronze badges
answer...
Check if an image is loaded (no errors) with jQuery
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edited Jul 16 '15 at 12:09
Abhinav Upadhyay
2,3481818 silver badges3131 bronze badges
answered Dec 30 ...
Python, compute list difference
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answered Jun 26 '11 at 20:16
phihagphihag
239k6060 gold badges406406 silver badges444444 bronze badges
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Why doesn't java.lang.Number implement Comparable? [duplicate]
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It's worth mentioning that the following expression:
new Long(10).equals(new Integer(10))
is always false, which tends to trip everyone up at some point or another. So not only can you not compare arbitrary Numbers but you can't even determine if they're equal or not.
Also, with the ...
Templated check for the existence of a class member function?
...e:
#include <iostream>
struct Hello
{
int helloworld() { return 0; }
};
struct Generic {};
// SFINAE test
template <typename T>
class has_helloworld
{
typedef char one;
struct two { char x[2]; };
template <typename C> static one test( decltype(&C::hellow...
Performance of static methods vs instance methods
...ethods, can reduce some of the costs discussed at http://joeduffyblog.com/2011/10/23/on-generics-and-some-of-the-associated-overheads/ in the case where that given static isn't called for a given type. As he puts it "As an aside, it turns out that extension methods are a great way to make generic ab...
In Clojure how can I convert a String to a number?
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This will work on 10px or px10
(defn parse-int [s]
(Integer. (re-find #"\d+" s )))
it will parse the first continuous digit only so
user=> (parse-int "10not123")
10
user=> (parse-int "abc10def11")
10
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Difference between CouchDB and Couchbase
...he Software Foundation and is released under the Apache License, Version 2.0 (DFSG-compatible, FSF-approved, OSI-approved, GPL-compatible, non-copyleft, commercial-friendly).
Philosophy
I have never seen it directly pointed out but this may be actually the most important difference between those t...