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GeneralRe: Programming Question Pin
_Maxxx_16-Jan-13 18:09
professional_Maxxx_16-Jan-13 18:09 
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Mark_Wallace16-Jan-13 22:00
MemberMark_Wallace16-Jan-13 22:00 
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Nagy Vilmos16-Jan-13 23:15
professionalNagy Vilmos16-Jan-13 23:15 
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M Towler17-Jan-13 23:18
MemberM Towler17-Jan-13 23:18 
GeneralRe: Programming Question Pin
greldak17-Jan-13 23:32
Membergreldak17-Jan-13 23:32 
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M Towler18-Jan-13 1:27
MemberM Towler18-Jan-13 1:27 
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liordino18-Jan-13 2:29
Memberliordino18-Jan-13 2:29 
GeneralRe: Programming Question Pin
patbob18-Jan-13 6:53
Memberpatbob18-Jan-13 6:53 
greldak wrote:
That comment adds meaning to the code - it tells me that the rate is obtained from a service as opposed to being determined within the function.

Actually, that's a poor comment. It tells you about what the GetTaxRate() function is doing.. something this function has no control over nor should it care. What if tomorrow, GetTaxRate() were reimplemented to get a tax rate some other way? Now, at best, the comment here is misleading. At worst, if the remainder of this function depends on that tax rate having been looked up in some service, it will break.

So, since the source of the tax rate is unimportant to the code written here, the comment should really read:
// Get the tax rate

And how is that more helpful than the code itself:
double taxRate = GetTaxRate();

Like you suggested, if its important that the tax rate is fetched from a service, then the code should read:
double taxRate = GetTaxRateFromAppropriateService();

Which still probably doesn't need a comment here because what an "appropriate" service is, is defined within GetTaxRateFromAppropriateService().
We can program with only 1's, but if all you've got are zeros, you've got nothing.

GeneralRe: Programming Question Pin
JackDingler18-Jan-13 7:52
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CHill6018-Jan-13 2:28
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John Atten18-Jan-13 3:32
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Florin Jurcovici18-Jan-13 20:06
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Klaus-Werner Konrad24-Jan-13 2:56
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_Maxxx_24-Jan-13 3:10
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_Maxxx_16-Jan-13 18:20
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TheGreatAndPowerfulOz17-Jan-13 6:12
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Harry Neethling17-Jan-13 20:52
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cofounderChris Maunder16-Jan-13 18:44 
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jharano18-Jan-13 5:49
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gggustafson18-Jan-13 4:58
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