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Why are hexadecimal numbers prefixed with 0x?
...d parse these as octal, mangling the number before storing. To add to the fun, one popular database product would silently switch back to decimal parsing if the number contained an 8 or 9.
– Basic
Nov 24 '15 at 19:45
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What are the most common non-BMP Unicode characters in actual use? [closed]
...er, you should install George Douros’s Symbola font. It also has all the fun Unicode 6.0.0 code points in it, too.
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Can't install PIL after Mac OS X 10.9
...rnal pil --allow-unverified pil helped me in 2015
– fun_vit
Feb 10 '15 at 14:11
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Flatten an irregular list of lists
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Using generator functions can make your example a little easier to read and probably boost the performance.
Python 2
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
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Gridview height gets cut
...leAttr: Int = 0
) : GridView(context, attrs, defStyleAttr) {
override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
val expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK,
MeasureSpec.AT_MOST)
super.onMeasure(widthMeasureSpec, expandSpec)
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Why does PHP consider 0 to be equal to a string?
...r, which will check the type and will not implicitly typecast.
P.S: a PHP fun fact: a == b does not imply that b == a. Take your example and reverse it: if ("e" == $item['price']) will never actually be fulfilled provided that $item['price'] is always an integer.
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How to unzip files programmatically in Android?
...y
//FileExt.kt
data class ZipIO (val entry: ZipEntry, val output: File)
fun File.unzip(unzipLocationRoot: File? = null) {
val rootFolder = unzipLocationRoot ?: File(parentFile.absolutePath + File.separator + nameWithoutExtension)
if (!rootFolder.exists()) {
rootFolder.mkdirs()
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Strangest language feature
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Fun with auto boxing and the integer cache in Java:
Integer foo = 1000;
Integer bar = 1000;
foo <= bar; // true
foo >= bar; // true
foo == bar; // false
//However, if the values of foo and bar are between 127 and -12...
A numeric string as array key in PHP
...as "08").
Addendum
Because of the comments below, I thought it would be fun to point out that the behaviour is similar but not identical to JavaScript object keys.
foo = { '10' : 'bar' };
foo['10']; // "bar"
foo[10]; // "bar"
foo[012]; // "bar"
foo['012']; // undefined!
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Function overloading in Javascript - Best practices
What is the best way(s) to fake function overloading in Javascript?
36 Answers
36
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