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When do I use fabs and when is it sufficient to use std::abs?
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answered Jun 25 '10 at 13:06
Mike SeymourMike Seymour
230k2424 gold badges396396 silver badges602602 bronze badges
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Execute AsyncTask several times
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jun 16 '11 at 14:49
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How to create the branch from specific commit in different branch
...where your HEAD is.
What you are doing:
git checkout dev
git branch test 07aeec983bfc17c25f0b0a7c1d47da8e35df7af8
First, you set your HEAD to the branch dev,
Second, you start a new branch on commit 07aeec98. There is no bb.txt at this commit (according to your github repo).
If you want to st...
Heroku error: “Permission denied (public key)”
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edited Jul 15 '14 at 19:05
ElGavilan
5,42688 gold badges2323 silver badges3535 bronze badges
answered ...
How to use RSpec's should_raise with any kind of exception?
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380
expect { some_method }.to raise_error
RSpec 1 Syntax:
lambda { some_method }.should raise_err...
How to import existing *.sql files in PostgreSQL 8.4?
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edited Aug 3 '10 at 6:38
answered Aug 3 '10 at 6:16
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Re-entrant locks in C#
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150
No, not as long as you are locking on the same object. The recursive code effectively already h...
Is it necessary to explicitly remove event handlers in C#
... Console.WriteLine("~Publisher");
Console.WriteLine("Foo==null ? {0}", Foo == null);
}
public event EventHandler Foo;
}
public class Subscriber
{
~Subscriber()
{
Console.WriteLine("~Subscriber");
}
public void FooHandler(object sender, EventArgs e) {}
}
p...
Multi-line commands in GHCi
...a.
– Daniel Wagner
Dec 9 '11 at 12:40
Thanks. I also noticed that in other let/where blocks. This is a big difference ...
Sql Server equivalent of a COUNTIF aggregate function
... a CASE statement, like this:
SELECT SUM(CASE WHEN myColumn=1 THEN 1 ELSE 0 END)
FROM AD_CurrentView
Note: in my own test NULLs were not an issue, though this can be environment dependent. You could handle nulls such as:
SELECT SUM(CASE WHEN ISNULL(myColumn,0)=1 THEN 1 ELSE 0 END)
FROM AD_Curren...