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Any reason why scala does not explicitly support dependent types?
...is a lot closer to these other languages than is typically acknowledged.
Despite the terminology, dependent sum types (also known as Sigma types) are simply a pair of values where the type of the second value is dependent on the first value. This is directly representable in Scala,
scala> trait...
Functional, Declarative, and Imperative Programming [closed]
...tive programming. Functional composition can be contrasted with subtyping, especially with respect to the Expression Problem, where extension can be achieved by either adding subtypes or functional decomposition. Extension can be a mix of both methodologies.
Functional programming usually makes the ...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
...changes by saving the entire file. It is also different from SVN in this respect as you could go to any individual version without 'recreating' it through delta changes.
Git doesn't 'lock' files at all and thus avoids the 'exclusive lock' functionality for an edit (older systems like pvcs come ...
What does multicore assembly language look like?
...rocessor:
General purpose registers (EAX, EBX, ECX, EDX, ESI, EDI, ESP, and EBP)
Segment registers (CS, DS, SS, ES, FS, and GS)
EFLAGS and EIP registers. Note that the CS and EIP/RIP registers for each logical processor point to the
instruction stream for the thread being executed by t...
How do I prevent site scraping? [closed]
...ts, etc; you can use this to identify users.
HTTP headers and their order, especially User-Agent.
As an example, if you get many request from a single IP address, all using the same User Agent, screen size (determined with JavaScript), and the user (scraper in this case) always clicks on the butto...
Best way to work with dates in Android SQLite [closed]
...at) {
String finalDateTime = "";
SimpleDateFormat iso8601Format = new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");
Date date = null;
if (timeToFormat != null) {
try {
date = iso8601Format.parse(timeToFormat);
} catch (ParseException e...
What are the most common non-BMP Unicode characters in actual use? [closed]
...ere are the top ten trans-ASCII code points in that corpus:
2663710 U+002013 ‹–› GC=Pd EN DASH
1065594 U+0000A0 ‹ › GC=Zs NO-BREAK SPACE
1009762 U+0000B1 ‹±› GC=Sm PLUS-MINUS SIGN
784139 U+002212 ‹−› GC=Sm MINUS SIGN
602377 U+002003 ‹ › GC=Zs E...
Remove accents/diacritics in a string in JavaScript
...
With ES2015/ES6 String.prototype.normalize(),
const str = "Crème Brulée"
str.normalize("NFD").replace(/[\u0300-\u036f]/g, "")
> "Creme Brulee"
Two things are happening here:
normalize()ing to NFD Unicode normal form decomposes...
How to round the minute of a datetime object
...umber of seconds to round to, default 1 minute.
Author: Thierry Husson 2012 - Use it as you want but don't blame me.
"""
if dt == None : dt = datetime.datetime.now()
seconds = (dt.replace(tzinfo=None) - dt.min).seconds
rounding = (seconds+roundTo/2) // roundTo * roundTo
return dt +...
Convert to/from DateTime and Time in Ruby
...r code above, simply replace d = DateTime.now with d = DateTime.new(2010,01,01, 10,00,00, Rational(-2, 24)). tt will now show the date d converted into your local timezone. You can still do date arithmetics and all but the original tz info is lost. This info is a context for the date and it ...