大约有 40,200 项符合查询结果（耗时：0.0692秒） [XML]
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Levi Fuller
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answered Aug 6 '13 at 19:45
MacmadeMacmade
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Finding all possible combinations of numbers to reach a given sum
...target, partial + [n])
if __name__ == "__main__":
subset_sum([3,9,8,4,5,7,10],15)
#Outputs:
#sum([3, 8, 4])=15
#sum([3, 5, 7])=15
#sum([8, 7])=15
#sum([5, 10])=15
This type of algorithms are very well explained in the following Standford's Abstract Programming lecture -...
When should TaskCompletionSource be used?
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234
I mostly use it when only an event based API is available (for example Windows Phone 8 sockets):...
How to generate a range of numbers between two numbers?
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164
Select non-persisted values with the VALUES keyword. Then use JOINs to generate lots and lots of...
How to sleep for five seconds in a batch file/cmd [duplicate]
...MultiplyByZer0
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answered Nov 4 '09 at 8:20
MartinMartin
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Which HTML5 tag should I use to mark up an author’s name?
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114
Both rel="author" and <address> are designed for this exact purpose. Both are supported in...
Is there a simple way to delete a list element by value?
...element. Use a list comprehension for that.
>>> a = [10, 20, 30, 40, 20, 30, 40, 20, 70, 20]
>>> a = [x for x in a if x != 20]
>>> print(a)
[10, 30, 40, 30, 40, 70]
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Converting string to Date and DateTime
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493
Use strtotime() on your first date then date('Y-m-d') to convert it back:
$time = strtotime('...
How to read and write excel file
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145
Try the Apache POI HSSF. Here's an example on how to read an excel file:
try {
POIFSFileSy...
get all keys set in memcached
... to get the slab ids:
stats items
STAT items:3:number 1
STAT items:3:age 498
STAT items:22:number 1
STAT items:22:age 498
END
The first number after ‘items’ is the slab id. Request a cache dump for each slab id, with a limit for the max number of keys to dump:
stats cachedump 3 100
ITEM vi...