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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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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 do I 'git diff' on a certain directory?
...--dir-diff --tool=bc3 --no-prompt" instead
– Mark Schäfer
Nov 1 '18 at 8:22
...
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
...
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...
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) -&...
Edit line thickness of CSS 'underline' attribute
...s the gap between text and line less huge.
– Victor Häggqvist
Jul 14 '15 at 1:36
I get half pixel vertical lines in a...
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...
open() in Python does not create a file if it doesn't exist
...le doesn't exist, append mode creates it.
– Jean-François Fabre♦
Oct 22 '19 at 11:49
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