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The most efficient way to implement an integer based power function pow(int, int)
...n chain for a¹⁵ above, the subproblem for a⁶ must be computed as (a³)² since a³ is re-used (as opposed to, say, a⁶ = a²(a²)², which also requires three multiplies).
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
...stuff like base64 conversion client-side you're probably making modern web-app that will, sooner or later, need modern features anyway. Also, there's a blob polyfill.
– Tomáš Zato - Reinstate Monica
Oct 15 '15 at 13:33
...
How do I get a consistent byte representation of strings in C# without manually specifying an encodi
...legacy charset). But nowhere the OP states that.
– Frédéric
Apr 6 '16 at 20:53
6
@AMissico It c...
How to add “active” class to Html.ActionLink in ASP.NET MVC
...as it groups them together in a logical manner.
– René Kåbis
Apr 28 '16 at 18:29
@René Kåbis it for bootstrap naig...
How to print Unicode character in Python?
...er('utf8')
sys.stdout = UTF8Writer(sys.stdout)
print(u'e with obfuscation: é')
Run it and pipe output to file:
python foo.py > tmp.txt
Open tmp.txt and look inside, you see this:
el@apollo:~$ cat tmp.txt
e with obfuscation: é
Thus you have saved unicode e with a obfuscation mark on it ...
Calculate distance between two latitude-longitude points? (Haversine formula)
...very much for all this. I used the following code in my Objective-C iPhone app:
const double PIx = 3.141592653589793;
const double RADIO = 6371; // Mean radius of Earth in Km
double convertToRadians(double val) {
return val * PIx / 180;
}
-(double)kilometresBetweenPlace1:(CLLocationCoordina...
How to validate an e-mail address in swift?
...n:
"THE REASONABLE SOLUTION"
Used and tested for years in many huge volume apps.
1 - it avoids the horrific regex mistakes often seen in example code
2 - it does NOT allow ridiculous emails such as "x@x"
(If for some reason you need a solution that allows nonsense strings such as 'x@x', use another ...
Ruby: How to get the first character of a string
...are today far more users of 1.8 than 1.9.
– Marc-André Lafortune
Apr 28 '10 at 16:20
3
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How to move screen without moving cursor in Vim?
...line
Ctrl-e Moves screen down one line
Ctrl-u Moves cursor & screen up ½ page
Ctrl-d Moves cursor & screen down ½ page
Ctrl-b Moves screen up one page, cursor to last line
Ctrl-f Moves screen down one page, cursor to first line
Ctrl-y and Ctrl-e only change the cursor position if it woul...
How to urlencode data for curl command?
... Unfortunately, this script fails on some characters, such as 'é' and '½', outputting 'e%FFFFFFFFFFFFFFCC' and '%FFFFFFFFFFFFFFC2', respectively (b/c of the per-character loop, I believe).
– Matthemattics
Mar 24 '14 at 17:13
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