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“互联网卖菜”没那么简单 创业者不要盲目跟风 - 资讯 - 清泛网 - 专注C/C+...
...有详细的介绍，看官移步。再就是所谓高价的蔬菜平台，客户是高端群体、精英用户，低价，扫码等活动只会降低品牌身价，而靠创意营销的手段去吸引眼球也是然并卵。这类人群要的是仪式感、尊贵感，新产品(蔬菜)田园采风...
How to return a value from __init__ in Python?
...e this word.
– cs95
Jul 20 '16 at 6:06
1
@Shiva AFAIK, by new weronika meant __new__(self) not th...
Dictionary vs Object - which is more efficient and why?
...00:05.899573, profile_list_of_obj, Size = 1,458.05
Time Taken = 0:00:06.567684, profile_dict_of_slot, Size = 1,035.65
Time Taken = 0:00:04.925101, profile_list_of_slot, Size = 887.49
My conclusion is:
Slots have the best memory footprint and are reasonable on speed.
dicts are the...
How can one use multi threading in PHP applications
...foreach ( $stack as $t ) {
$t->start();
}
?>
First Run
12:00:06pm: A -start -sleeps 5
12:00:06pm: B -start -sleeps 3
12:00:06pm: C -start -sleeps 10
12:00:06pm: D -start -sleeps 2
12:00:08pm: D -finish
12:00:09pm: B -finish
12:00:11pm: A -finish
12:00...
How to replace a hash key with another key
...e7140772f8be03da000018", "_type"=>"WorkStation", "created_at"=>"2011-06-02T10:24:35+05:45", "input_header_ids"=>[], "line_id"=>"4de7140472f8be03da000017", "updated_at"=>"2011-06-02T10:24:35+05:45"}
– Manish Das
Jun 2 '11 at 5:22
...
How can I check if a string represents an int, without using try/except?
...gt;> print RepresentsInt(10.0) True >>> print RepresentsInt(10.06) True
– Dannid
Dec 12 '13 at 19:24
...
Converting between datetime, Timestamp and datetime64
...64('1970-01-01T00:00:00Z')) / np.timedelta64(1, 's')
>>> ts
1354650685.3624549
>>> datetime.utcfromtimestamp(ts)
datetime.datetime(2012, 12, 4, 19, 51, 25, 362455)
>>> np.__version__
'1.8.0.dev-7b75899'
The above example assumes that a naive datetime object is interprete...
Why doesn't print work in a lambda?
...ethod.
– ivanleoncz
Oct 5 '18 at 20:06
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Cron job every three days
...un every three days starting 1st. Here are the 20 scheduled runs -
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How to get indices of a sorted array in Python
... Zahra
4,64855 gold badges3535 silver badges6060 bronze badges
answered Sep 19 '12 at 0:06
Matthew LewisMatthew Lewis
2,122...