大约有 40,900 项符合查询结果(耗时:0.0245秒) [XML]
Scala actors: receive vs react
...eceiving a message.
For example if you had the following code
def a = 10;
while (! done) {
receive {
case msg => println("MESSAGE RECEIVED: " + msg)
}
println("after receive and printing a " + a)
}
the thread would wait in the receive call until the message is ...
Why do we need tuples in Python (or any immutable data type)?
...le of optimization issue:
$ python -mtimeit '["fee", "fie", "fo", "fum"]'
1000000 loops, best of 3: 0.432 usec per loop
$ python -mtimeit '("fee", "fie", "fo", "fum")'
10000000 loops, best of 3: 0.0563 usec per loop
share
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Alternatives to java.lang.reflect.Proxy for creating proxies of abstract classes (rather than interf
...
answered Jul 20 '10 at 16:32
axtavtaxtavt
223k3636 gold badges481481 silver badges467467 bronze badges
...
Static implicit operator
...
answered Nov 25 '10 at 4:38
Rex MRex M
132k2929 gold badges267267 silver badges309309 bronze badges
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How do you round to 1 decimal place in Javascript?
...
Math.round(num * 10) / 10 works, here is an example...
var number = 12.3456789
var rounded = Math.round(number * 10) / 10
// rounded is 12.3
if you want it to have one decimal place, even when that would be a 0, then add...
var fixed = ro...
Python truncate a long string
...
answered May 20 '10 at 9:38
Marcelo CantosMarcelo Cantos
161k3636 gold badges304304 silver badges347347 bronze badges
...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...
dreftymac
26.4k2323 gold badges103103 silver badges163163 bronze badges
answered Jun 10 '11 at 4:41
paxdiablopaxdiablo
...
Remove IE10's “clear field” X button on certain inputs?
... you use IE compatibility mode to render your page with engines prior to IE10, this pseudo element doesn't work and it shows the button anyway.
– Yousef Salimpour
Aug 11 '13 at 6:43
...
Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
...
answered Aug 4 '10 at 16:43
Tim HennekeyTim Hennekey
2,13611 gold badge1313 silver badges1212 bronze badges
...
Create list of single item repeated N times
...ith n identical elements:
>>> timeit.timeit('itertools.repeat(0, 10)', 'import itertools', number = 1000000)
0.37095273281943264
>>> timeit.timeit('[0] * 10', 'import itertools', number = 1000000)
0.5577236771712819
But wait - it's not a fair test...
>>> itertools.repe...
