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Sql Server equivalent of a COUNTIF aggregate function
I'm building a query with a GROUP BY clause that needs the ability to count records based only on a certain condition (e.g. count only records where a certain column value is equal to 1).
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How to include jar files with java file and compile in command prompt
...ava file that depends on these jar files. How do I compile the .java file with these jar files using a command prompt?
12 A...
C++ equivalent of java's instanceof
...ething();
}
This requires your compiler to have rtti support enabled.
EDIT:
I've had some good comments on this answer!
Every time you need to use a dynamic_cast (or instanceof) you'd better ask yourself whether it's a necessary thing. It's generally a sign of poor design.
Typical workarounds ...
Deprecation warning when using has_many :through :uniq in Rails 4
Rails 4 has introduced a deprecation warning when using :uniq => true with has_many :through. For example:
2 Answers
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Read stream twice
How do you read the same inputstream twice? Is it possible to copy it somehow?
10 Answers
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Swift make method parameter mutable?
How can I deal with this error without creating additional variable?
7 Answers
7
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How do getters and setters work?
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edited Apr 29 '14 at 12:35
Dmitry Ginzburg
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Copy array items into another array
...pt I don't want newArray[0] to be dataArray . I want to push in all the items into the new array:
16 Answers
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jQuery checkbox checked state changed event
...on() {
if(this.checked) {
//Do stuff
}
});
The main benefit of binding to the change event over the click event is that not all clicks on a checkbox will cause it to change state. If you only want to capture events that cause the checkbox to change state, you want the aptly-named c...
How to use CSS to surround a number with a circle?
...answer is a good starting point, some of the other answers provide flexibility for different situations. If you care about IE8, look at the old version of my answer.
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