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Designing function f(f(n)) == -n
...
@a1kmm: Sorry, -2³² above should have been -2³¹. Anyway, the case where f(0)≠0 (and so f(0)=-2³¹) is actually the easier case, as we showed these two are disconnected from the rest. The other case we need to consider is that f(0)=0, b...
How to set Sqlite3 to be case insensitive when string comparing?
... "FIANCÉ" or "voilà" in your column values, it won't match against "fiancé" or "VOILA". After enabling the ICU extension, LIKE becomes case-insensitive, so 'FIANCÉ' LIKE 'fiancé' is true, but 'VOILA' LIKE 'voilà' is still false. And ICU+LIKE has the drawback on not using the index, so it can b...
Why does modern Perl avoid UTF-8 by default?
..., we got 12. Perl assumed that we were operating on the Latin-1 string "æååã" (which is 12 characters, some of which are non-printing).
This is called an "implicit upgrade", and it's a perfectly reasonable thing to do, but it's not what you want if your text is not Latin-1. That's why it's c...
How to find the statistical mode?
...ered Dec 14 '12 at 8:00
Rasmus BååthRasmus Bååth
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Remove all special characters except space from a string using JavaScript
...ages actually work, since many of us don't consider "Привіт" or "æøå" special characters. Most solutions out there cut any character that isn't part of the English alphabet.
– Alex Langberg
May 17 '15 at 12:44
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What is the list of supported languages/locales on Android?
... (Myanmar (Burma))]
naq_ [Nama]
naq_NA [Nama (Namibia)]
nb_ [Norwegian Bokmål]
nb_NO [Norwegian Bokmål (Norway)]
nb_SJ [Norwegian Bokmål (Svalbard and Jan Mayen)]
nd_ [North Ndebele]
nd_ZW [North Ndebele (Zimbabwe)]
ne_ [Nepali]
ne_IN [Nepali (India)]
ne_NP [Nepali (Nepal)]
nl_ [Dutch]
nl_AW [Dut...
UTF-8: General? Bin? Unicode?
...names (e.g. if "jose" exists, I wouldn't want someone else to create a "josé" user) NB: this also holds true for most of the utf8 collations (except utf8_bin). The surest/safest/most comprehensive is utf8_unicode_ci
– Costa
Apr 10 '13 at 3:12
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How to get the Power of some Integer in Swift language?
...))
}
// ...
// Then you can do this...
let i = 2 ^^ 3
// ... or
println("2³ = \(2 ^^ 3)") // Prints 2³ = 8
I used two carets so you can still use the XOR operator.
Update for Swift 3
In Swift 3 the "magic number" precedence is replaced by precedencegroups:
precedencegroup PowerPrecedence { h...
Encode html entities in javascript
...str = "Test´†®¥¨©˙∫ø…ˆƒ∆÷∑™ƒ∆æø𣨠ƒ™en tést".toHtmlEntities();
console.log("Entities:", str);
console.log("String:", String.fromHtmlEntities(str));
Output in console:
Entities: Dit is e&#1...
Avoid dropdown menu close on click inside
... was the fastest solution for me
– Jonathan Morales Vélez
Oct 24 '16 at 16:44
16
This isn't a be...