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How to change Android version and code version number?
...minSdkVersion 9
targetSdkVersion 19
versionCode 1
versionName "1.0"
}
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Understanding Python's “is” operator
...which is reused. Works in Python since integers are immutable. If you do x=1.0; y=1.0 or x=9999;y=9999, it won't be the same identity, because floats and larger ints aren't interned.
– Magnus Lyckå
Sep 21 '17 at 13:56
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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 ...
How can I test if a letter in a string is uppercase or lowercase using JavaScript?
How can I test if a letter in a string is uppercase or lowercase using JavaScript?
28 Answers
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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...
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
...
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) -&...
Delete everything in a MongoDB database
I'm doing development on MongoDB. For totally non-evil purposes, I sometimes want to blow away everything in a database—that is, to delete every single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points...
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 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...