大约有 3,000 项符合查询结果（耗时：0.0206秒） [XML]
Determine when a ViewPager changes pages
...geListener(object : ViewPager.OnPageChangeListener {
override fun onPageScrollStateChanged(state: Int) {
}
override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {
}
override fun onPageSelected(posi...
Best practice for partial updates in a RESTful service
...would I construct an URI if I want the system to send an email to customer 123? Something like a pure RPC method call that doesn't change the state of the object at all. What is the RESTful way of doing this?
– magiconair
Mar 14 '10 at 20:08
...
How to output only captured groups with sed?
...e output as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
i...
Best way to work with dates in Android SQLite [closed]
...le values (
strftime('%Y-%m-%d %H:%M:%f', '2014-03-01 13:01:01.123'),
strftime('%Y-%m-%d %H:%M:%f', '2014-03-01 13:01:01.123'),
strftime('%Y-%m-%d %H:%M:%f', '2014-03-01 13:01:01.123')
);
sqlite> insert into test_table values (
strftime('%Y-...
Remove duplicate dict in list in Python
...that. However, with a few lines of code, you can also do that:
l = [{'a': 123, 'b': 1234},
{'a': 3222, 'b': 1234},
{'a': 123, 'b': 1234}]
seen = set()
new_l = []
for d in l:
t = tuple(d.items())
if t not in seen:
seen.add(t)
new_l.append(d)
print new_l
Ex...
Type definition in object literal in TypeScript
... as Alternative)
After many years of using const and benefiting from more functional code, I would recommend against using the below in most cases. (When building objects, forcing the type system into a specific type instead of letting it infer types is often an indication that something is wrong)....
check android application is in foreground or not? [duplicate]
...
class ArchLifecycleApp : Application(), LifecycleObserver {
override fun onCreate() {
super.onCreate()
ProcessLifecycleOwner.get().lifecycle.addObserver(this)
}
@OnLifecycleEvent(Lifecycle.Event.ON_STOP)
fun onAppBackgrounded() {
Log.d("MyApp", "App in back...
Multiprocessing: How to use Pool.map on a function defined in a class?
...
I also was annoyed by restrictions on what sort of functions pool.map could accept. I wrote the following to circumvent this. It appears to work, even for recursive use of parmap.
from multiprocessing import Process, Pipe
from itertools import izip
def spawn(f):
def fun(...
How to match, but not capture, part of a regex?
I have a list of strings. Some of them are of the form 123-...456 . The variable portion "..." may be:
7 Answers
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