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How do I determine whether my calculation of pi is accurate?
...rd, the common practice is just to verify the computed digits against the known values. So that's simple enough.
In fact, I have a webpage that lists snippets of digits for the purpose of verifying computations against them: http://www.numberworld.org/digits/Pi/
But when you get into world-recor...
Detect all Firefox versions in JS
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If you'd like to know what is the numeric version of FireFox you can use the following snippet:
var match = window.navigator.userAgent.match(/Firefox\/([0-9]+)\./);
var ver = match ? parseInt(match[1]) : 0;
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unsigned int vs. size_t
..."your compiler might make assumption about it": I would hope the compiler knows the exact range of values that size_t can represent! If it doesn't, who does?
– Marc van Leeuwen
Jun 15 '14 at 5:42
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Why does C# disallow readonly local variables?
...in the case of other languages). The fact that it's disallowed in C# right now, is another argument that some of the "features" of C# are merely an enforcement of personal coding style of its creators.
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How can I prevent the textarea from stretching beyond his parent DIV element? (google-chrome issue o
...loppy code block here, but I had to show you what's important and I don't know how to insert quoted CSS code on this website. In any case, to ensure you see what I'm talking about, the important CSS is less indented here...
What I then did (as shown here) is very specifically tweak the percentages ...
How can I pass a member function where a free function is expected?
...@DorkyEngineer That's pretty weird, I think you must be right but I don't know how that error could have gone unnoticed for so long. Anyway, I've edited the answer now.
– Matt Phillips
Apr 9 '15 at 7:11
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Convert HTML to PDF in .NET
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Update: I would now recommend PupeteerSharp over wkhtmltopdf.
Try wkhtmtopdf. It is the best tool I have found so far.
For .NET, you may use this small library to easily invoke wkhtmtopdf command line utility.
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All falsey values in JavaScript
...nt zero (0n):
0n == false // true
-0n == false // true
So with this, we now have 7 "falsy" values in total (not including document.all as mentioned by user above since it's part of DOM and not JS).
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JSON: why are forward slashes escaped?
... cannot expect standards to change, hence every single PHP developer must know and implement all of those infinite number of workarounds against all those serious bugs found in PHP. Enter stackoverflow ..
– Tino
Aug 31 '17 at 7:50
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Adding up BigDecimals using Streams
... map it to a Stream<BigDecimal> and then reduce it to a BigDecimal.
Now, from an OOP design point I would advice you to also actually use the total() method, which you have already defined, then it even becomes easier:
List<Invoice> invoiceList = new ArrayList<>();
//populate
Big...