大约有 38,000 项符合查询结果(耗时:0.0392秒) [XML]
How is Racket different from Scheme?
... [ ... ] as equivalent, R5RS does not, but R6RS does.
There are probably more, but on most other parts racket is a superset of Scheme.
share
|
improve this answer
|
follow
...
Is floating point math broken?
...
I think "some error constant" is more correct than "The Epsilon" because there is no "The Epsilon" which could be used in all cases. Different epsilons need to be used in different situations. And the machine epsilon is almost never a good constant to use.
...
How do you do a case insensitive search using a pattern modifier using less?
...
Following with less is SO much more useful than with tail. Especially logs with a lot of action.
– Svish
May 21 '14 at 10:31
6
...
How do I represent a time only value in .NET?
...nk why that might be. I reckon it's a good thing for people to think a bit more deeply about dates/times than they currently do :)
– Jon Skeet
Jan 10 '10 at 15:06
...
How can I scan barcodes on iOS?
...
I believe more has been ported to C++, but the port is still a rough and outdated echo of the Java code unfortunately. So, yes more is supported though perhaps not well.
– Sean Owen
May 17 '11 at ...
How do you share constants in NodeJS modules?
...
|
show 3 more comments
334
...
Android: Difference between Parcelable and Serializable?
...arcelable is faster than Serializable interface
Parcelable interface takes more time to implement compared to Serializable interface
Serializable interface is easier to implement
Serializable interface creates a lot of temporary objects and causes quite a bit of garbage collection
Parcelable array ...
Converting string into datetime
...
|
show 11 more comments
859
...
Python ValueError: too many values to unpack [duplicate]
...terating over just the keys (which are strings).
Since self.materials has more than two keys*, they can't be unpacked into the tuple "k, m", hence the ValueError exception is raised.
In Python 2.x, to iterate over the keys and the values (the tuple "k, m"), we use self.materials.iteritems().
Howe...
What is the ultimate postal code and zip regex?
...y two cents: in Brazil it is actualy 8 numbers, 5 followed by a dash and 3 more
– Jorge Campos
Oct 16 '15 at 2:28
^\d{...