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by jfar
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Published on 2010-03-11T01:52:17Z
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2010/04/04
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Hit count: 591
(int)(33.46639 * 1000000) returns 33466389
Why does this happen?
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I’ve run into the problem a few times now: How to pre-authenticate .NET WebRequest calls doing an HTTP call to the server – essentially send authentication credentials on the very first request instead of waiting for a server challenge first? At first glance this sound like it should be easy:…
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Man I can't believe this. I'm still mucking around with OFX servers and it drives me absolutely crazy how some these servers are just so unbelievably misconfigured. I've recently hit three different 3 major brokerages which fail HTTP validation with bad or corrupt certificates at least according to…
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The dynamic type in C# 4.0 is a welcome addition to the language. One thing I’ve been doing a lot with it is to remove explicit Reflection code that’s often necessary when you ‘dynamically’ need to walk and object hierarchy. In the past I’ve had a number of ReflectionUtils that used string based expressions…
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I’ve written quite a bit about Visual FoxPro interoperating with .NET in the past both for ASP.NET interacting with Visual FoxPro COM objects as well as Visual FoxPro calling into .NET code via COM Interop. COM Interop with Visual FoxPro has a number of problems but one of them at least got a lot…
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Here’s a nice and simple path utility that I’ve needed in a number of applications: I need to find a relative path based on a base path. So if I’m working in a folder called c:\temp\templates\ and I want to find a relative path for c:\temp\templates\subdir\test.txt I want to receive back subdir\test…
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I just read a statement about the floating point value comparison
Floating point values shall not be compared using either the == or != operators.
Most floating point values have no exact binary representation and have a
limited precision.
If so what is the best method for comparing two floating…
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There is some problem, i can't understand anyway.
look at this code please
<script type="text/javascript">
function math(x)
{
var y;
y = x*10;
alert(y);
}
</script>
<input type="button" onclick="math(0.011)">
What must be alerted after i click on button?
i think 0.11…
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Hi,
I am working on a calculator that allows you to perform calculations past the decimal point in octal, hexadecimal, binary, and of course decimal. I am having trouble though finding a way to convert floating point decimal numbers to floating point hexadecimal, octal, binary and vice versa.
The…
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In learning how floating point numbers are represented in computers I have come across the term "bias value" that I do not quite understand.
The bias value in floating point numbers has to do with the negative and positiveness of the exponent part of a floating point number.
The bias value of a…
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So, title says it all. Why are floating point values so prolific in computer programming. Due to problems like rounding errors, and not being able to even accurately represent numbers such as 0.1, I really can't see how they got as far as they did.
I understand that the computation is faster…
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