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Is it safe to check floating point values for equality to 0?
...e sample, that test is okay. But what about this:
bool b = ( 10.0 * .1 - 1.0 == 0.0 );
Remember that .1 is a repeating decimal in binary and can't be represented exactly. Then compare that to this code:
double d1 = 10.0 * .1; // make sure the compiler hasn't optimized the .1 issue away
bool b ...
Why is it recommended to have empty line in the end of a source file?
...ikely to result in a newline at the end.
– Raimund Krämer
Sep 24 at 8:25
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Should I put #! (shebang) in Python scripts, and what form should it take?
...n you can just call ./[your-script.py] in shell.
– skålfyfan
Oct 6 '14 at 22:01
9
As the answer ...
How to calculate the SVG Path for an arc (of a circle)
...nt svg element. For example viewBox="0 0 500 500"
– Håken Lid
May 24 '19 at 14:20
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PHP DOMDocument loadHTML not encoding UTF-8 correctly
...om was just as quick I first tried the following:
$dom = new DomDocument('1.0', 'UTF-8');
if ($dom->loadHTMLFile($url) == false) { // read the url
// error message
}
else {
// process
}
This failed spectacularly in preserving UTF-8 encoding despite the proper meta tags, php settings an...
dispatch_after - GCD in Swift?
...te that you can write the deadlineTime declaration as DispatchTime.now() + 1.0 and get the same result because the + operator is overridden as follows (similarly for -):
func +(time: DispatchTime, seconds: Double) -> DispatchTime
func +(time: DispatchWalltime, interval: DispatchTimeInterval) -&...
How can I convert byte size into a human-readable format in Java?
...27 B
999: 999 B 999 B
1000: 1.0 kB 1000 B
1023: 1.0 kB 1023 B
1024: 1.0 kB 1.0 KiB
1728: 1.7 kB 1.7 KiB
110592: 110.6 kB 108.0 KiB
7077888: 7.1 M...
How do I 'git diff' on a certain directory?
...--dir-diff --tool=bc3 --no-prompt" instead
– Mark Schäfer
Nov 1 '18 at 8:22
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Converting a JS object to an array using jQuery
...ed Sep 22 '16 at 18:00
Jean-François Beauchamp
4,72088 gold badges3636 silver badges7272 bronze badges
answered Oct 2 '14 at 17:33
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How to create a UIView bounce animation?
... (value: Bool) in
})
usingSpringWithDamping 0.0 == very bouncy. 1.0 makes it smoothly decelerate without overshooting.
initialSpringVelocity is, roughly, "desired distance, divided by desired seconds". 1.0 corresponds to the total animation distance traversed in one second. Example, tot...