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From: "Vinzent Hoefler" <0439279208b62c95f1880bf0f8776eeb@t-domaingrabbing.de>
Newsgroups: comp.lang.ada
Subject: Re: How do I write directly to a memory address?
Date: Tue, 08 Feb 2011 22:16:48 +0100
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Date: 2011-02-08T22:16:48+01:00
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Adam Beneschan wrote:

> On Feb 8, 12:01 pm, Hyman Rosen <hyro...@mail.com> wrote:
>> On 2/8/2011 2:43 PM, Dmitry A. Kazakov wrote:
>>
>> > Three candidates in a row I have interviewed for a C/C++/C# position could
>> > not answer the question how to test the 3rd bit of a byte in C. All three
>> > had 3+ years of programming "experience."
>>
>>      (byte & (1 << (3 - 1)))
>
> That's not the correct answer.  The correct answer is to ask, "Third
> bit from which end?"

 From the less significant end, unless you want the bit numbers to change when
assigned to different sized variables.


Vinzent.

-- 
You know, we're sitting on four million pounds of fuel, one nuclear weapon,
and a thing that has 270,000 moving parts built by the lowest bidder.
Makes you feel good, doesn't it?
   --  Rockhound, "Armageddon"