大约有 1,100 项符合查询结果（耗时：0.0206秒） [XML]
Count Rows in Doctrine QueryBuilder
...y. For details see the link.
https://github.com/doctrine/doctrine2/blob/77e3e5c96c1beec7b28443c5b59145eeadbc0baf/lib/Doctrine/ORM/EntityRepository.php#L161
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Check if the number is integer
...on also allows for integers in scientific notation:
> check.integer(222e3)
[1] TRUE
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How do I print out the contents of an object in Rails for easy debugging?
...mal:7ff521e506c8,'0.0',9(27)>,
Nov: #<BigDecimal:7ff521e43d38,'0.888E3',9(27)>,
Dec: #<BigDecimal:7ff521e43478,'0.0',9(27)>,
You can also print two instances of an object:
pp( Accrual.first , Accrual.second)
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How to set button click effect in Android?
...ckground="?android:attr/selectableItemBackground"
– Z3R0
Mar 23 at 8:40
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
...inally, items of size at most 1/5 are packed to the spaces in R1, ··· , R4 by the (generalized) NFDH algorithm. Again if there is no space in these regions, the item is packed to R5 using NFDH.
Approximation ratio: UD(I) <= (5/4) · OPT(I)+(53/8)H, where H is the maximum height of the items; t...
How do I monitor the computer's CPU, memory, and disk usage in Java?
... 2147483647 getTotalSwapSpaceSize = 4294967295
– blak3r
May 20 '09 at 5:41
AFAIK getProcessCpuTime = 390625000 is onl...
Regex to replace multiple spaces with a single space
...om tabs, non-breakers or thingymajigs, please.
– T4NK3R
Jan 21 '16 at 13:03
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Statistics: combinations in Python
... return 0
choose() is 10 times faster (tested on all 0 <= (n,k) < 1e3 pairs) than scipy.misc.comb() if you need an exact answer.
def comb(N,k): # from scipy.comb(), but MODIFIED!
if (k > N) or (N < 0) or (k < 0):
return 0L
N,k = map(long,(N,k))
top = N
val =...
Open link in new tab or window [duplicate]
... edited Nov 13 '14 at 0:41
J0e3gan
8,14799 gold badges4646 silver badges7575 bronze badges
answered Mar 21 '13 at 15:39
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OAuth: how to test with local URLs?
.... Node.js on port 3000, use mywebsite.com:3000
– flow3r
Feb 27 at 23:31
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