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What does the exclamation mark mean in a Haskell declaration?
...xpression. You can think of the type constructors as functions that return new instances of the specified type, given the supplied arguments.
– Chris Vest
Jun 14 '09 at 17:09
4
...
What is the maximum amount of RAM an app can use?
...r Thumb with size: " + cacheSize + " bytes");
thumbCacheInstance = new BitmapLruCache(cacheSize);
return thumbCacheInstance;
} else {
return thumbCacheInstance;
}
}
public static synchronized BitmapLruCache getDecryptedAttachmentCacheInstance() {
if (attachmentCa...
Enabling markdown highlighting in Vim
...
That makes a lot of sense. Didn't realize that two spaces had significance in Markdown. I think I'll leave it enabled unless it keeps bugging me. Thanks!
– Josh Earl
Jun 9 '12 at 22:32
...
How to make a class JSON serializable
... @KrisHardy __dict__ also doesn't work if you use __slots__ on a new style class.
– badp
Dec 13 '13 at 17:53
...
Haskell function composition (.) and function application ($) idioms: correct use
...ng rather than using it. Haskell users tend to want to think of f.g.h as a new clever creation rather f(g(h())). Now they're calling a new, albeit anonymous, function which they created rather than just chaining a big dictionary of prefabbed function calls like a PHP user.
– Ev...
Difference between object and class in Scala
...n instance first:
class A() {
def twice(i: Int): Int = 2 * i
}
val a = new A()
a.twice(2)
You can see how redundant this is, as twice does not require any instance-specific data.
object as a special named instance
You can also use the object itself as some special instance of a class or trai...
What is the Difference Between Mercurial and Git?
...t is, if I modify a changeset you already have, your client will see it as new if you pull from me). So Mercurial has a bias towards non-destructive commands.
As for light-weight branches, then Mercurial has supported repositories with multiple branches since..., always I think. Git repositories wi...
What is the best open XML parser for C++? [duplicate]
...tional mapping with a tree-like, in-memory data structure. C++/Parser is a new, SAX-like mapping which represents the information stored in XML instance documents as a hierarchy of vocabulary-specific parsing events. In comparison to C++/Tree, the C++/Parser mapping allows one to handle large XML do...
How to list all installed packages and their versions in Python?
...calendar netrc
DcxImagePlugin cdrom new
Dialog cgi nis
DiscID cgitb nntplib
DistUpgrade checkbox ntpath
...
Is it possible to pass query parameters via Django's {% url %} template tag?
...
A way to mix-up current parameters with new one:
{% url 'order_list' %}?office=foobar&{{ request.GET.urlencode }}
Modify your settings to have request variable:
from django.conf.global_settings import TEMPLATE_CONTEXT_PROCESSORS as TCP
TEMPLATE_CONTEXT_PRO...