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Strip Leading and Trailing Spaces From Java String
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what all does it replace? Spaces and newlines maybe ?
– Someone Somewhere
Sep 9 '14 at 22:19
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What happens if I define a 0-size array in C/C++?
...ess than or equal to zero (paragraph 5). This is normative text in the C standard. A compiler is not allowed to implement it differently.
gcc -std=c99 -pedantic gives a warning for the non-VLA case.
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Why no generics in Go?
...added at some point. We don't feel an urgency for them, although we understand some programmers do.
Generics are convenient but they come at a cost in complexity in the type system and run-time. We haven't yet found a design that gives value proportionate to the complexity, although we continue...
Is MonoTouch now banned on the iPhone? [closed]
...are prohibited
Kind of a bummer, MonoTouch and the Flash CS5 -> iPhone converter are very cool.
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Are Java static calls more or less expensive than non-static calls?
...ful to know they are at least as fast, if not faster than instance methods and should not be ruled out on a performance basis.
– Will
Oct 21 '17 at 13:11
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ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网
...top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
Nullable type issue with ?: Conditional Operator
...nch of times already. The compiler is telling you that it doesn't know how convert null into a DateTime.
The solution is simple:
DateTime? foo;
foo = true ? (DateTime?)null : new DateTime(0);
Note that Nullable<DateTime> can be written DateTime? which will save you a bunch of typing.
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Hashing a dictionary?
...thon 3.3 returns different results between sessions). make_hashable() will convert the object into nested tuples and make_hash_sha256() will also convert the repr() to a base64 encoded SHA256 hash.
import hashlib
import base64
def make_hash_sha256(o):
hasher = hashlib.sha256()
hasher.updat...
How can I “unuse” a namespace?
... BCB6). I then used to fall back on adding explicit namespaces on conflict and - even worse - include a header for avoiding type name conflicts...
– Wolf
Sep 2 '14 at 8:15
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What is the combinatory logic equivalent of intuitionistic type theory?
...tution), it'll be handy to represent intermediate stages in the process of converting terms with binding to their combinatory form.
Here's normalization:
norm :: Unty a -> Unty a
norm (f :. a) = norm f $. a
norm c = c
($.) :: Unty a -> Unty a -> Unty a -- requires first a...