大约有 30,000 项符合查询结果（耗时：0.0374秒） [XML]
Is Python strongly typed?
...
Python is strongly, dynamically typed.
Strong typing means that the type of a value doesn't change in unexpected ways. A string containing only digits doesn't magically become a number, as may happen in Perl. Every change of type requires an explicit conversion.
Dynamic typing ...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...ed but the program needs to be very stable at runtime. I could assume this means that it expects me to deserialize and serialize to JSON or is something low level, internal and transparent to the user but I could be wrong. Although I tend to make good assumptions I cant rely on assumption and guessw...
Good examples of Not a Functor/Functor/Applicative/Monad?
...t ()) (Kill id)) () :: Void
and the Moon would be made of green cheese.
Meanwhile
newtype Dead x = Oops {oops :: Void}
is a functor
instance Functor Dead where
fmap f (Oops corpse) = Oops corpse
but cannot be applicative, or we'd have
oops (pure ()) :: Void
and Green would be made of M...
Android: alternate layout xml for landscape mode
... One for each screen configuration that requires a different layout.
This means you have to use the directory qualifier in both cases :
Android device support
Android landscape or portrait mode
As a result, here is an exemple :
res/layout/main_activity.xml # For handsets
res/l...
What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
...u don't use fetch the result will be of type : List<Object[ ]> which means a list of Object tables and not a list of Employee.
Object[0] refers an Employee entity
Object[1] refers a Departement entity
When you use fetch, there is just one select and the result is the list of Employee Lis...
Magic number in boost::hash_combine
...ding this number "randomly" changes each bit of the seed; as you say, this means that consecutive values will be far apart. Including the shifted versions of the old seed makes sure that, even if hash_value() has a fairly small range of values, differences will soon be spread across all the bits.
...
Custom CSS Scrollbar for Firefox
...
@JacquesMathieu, I see what you mean. Though that is not Baron's fault, if I download the page and prevent baron from initialising, the bug still occurs. So it looks like Chrome it at fault here.
– thephpdev
Apr 3 '18 ...
Record file copy operation with Git
...
Git does not do rename tracking nor copy tracking, which means it doesn't record renames or copies. What it does instead is rename and copy detection. You can request rename detection in git diff (and git show) by using the -M option, you can request additional copy detection in ch...
Android: Access child views from a ListView
... position is 8, you want position 10, wantedChild will now be 2
// So that means your view is child #2 in the ViewGroup:
if (wantedChild < 0 || wantedChild >= listView.getChildCount()) {
Log.w(TAG, "Unable to get view for desired position, because it's not being displayed on screen.");
ret...
Quickly create a large file on a Linux system
...sparse file", and you won't have bothered to write anything to it -- which means virtually anything could be in there -- kind of like a brand new disk!) E.g.:
fallocate -l 10G gentoo_root.img
share
|
...