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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...
iOS Image Orientation has Strange Behavior
...
The first exif link is broken now, and the second has been updated to exif.regex.info/exif.cgi I tried to edit the answer but @cj-dennis rejected it for some reason.
– Ryan
Apr 12 '18 at 5:19
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How to unset a JavaScript variable?
...123 };
var foo = new Foo();
// foo.bar is 123
foo.bar = 456;
// foo.bar is now 456
delete foo.bar;
// foo.bar is 123 again.
So be careful.
EDIT: My answer is somewhat inaccurate (see "Misconceptions" at the end). The link explains all the gory details, but the summary is that there can be big dif...
Are global variables in PHP considered bad practice? If so, why?
...m array ($obj, 'callbackMethod') in calls to preg_replace_callback()? (I know, I've fallen prey to this OOP pitfall...)
– grossvogel
Jul 1 '10 at 16:22
24
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What are “res” and “req” parameters in Express functions?
...function
// does that.
var peopleJSON = JSON.stringify(people);
// Now, we can use the response object's send method to push that string
// of people JSON back to the browser in response to this request:
response.send(peopleJSON);
});
...
How do I detect unsigned integer multiply overflow?
...
I see you're using unsigned integers. By definition, in C (I don't know about C++), unsigned arithmetic does not overflow ... so, at least for C, your point is moot :)
With signed integers, once there has been overflow, undefined behaviour (UB) has occurred and your program can do anything (...
How to get a enum value from string in C#?
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Now there is the generic Enum.TryParse<TEnum>() method.
– Eugene Maksimov
Oct 19 '15 at 9:39
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What are the differences between Chosen and Select2?
...e ExpressionEngine add-on MX Select Plus (it is how I got here as there is now a competing add-on using Select2).
– notacouch
Jun 10 '13 at 17:20
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NAnt or MSBuild, which one to choose and when?
...'ve noticed the MSBuild documentation has been improved and is much better now (probably on par with NAnt).
Not easy to figure out how to edit the build script source (*.*proj file) directly from within Visual Studio. With NAnt I just have Visual Studio treat the .build script as an XML file.
Appare...
How to get commit history for just one branch?
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Ok spoke too soon. That did it for my simple example. But now I'm looking at somebody else's real repo and it occurs to me that in order to use this command properly, I'd need to know what branch my current branch was created from. Maybe I should be able to tell this from gitk but i...