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Get first day of week in SQL Server
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150
To answer why you're getting a Monday and not a Sunday:
You're adding a number of weeks to the ...
Compute a confidence interval from sample data
...y as np
import scipy.stats
def mean_confidence_interval(data, confidence=0.95):
a = 1.0 * np.array(data)
n = len(a)
m, se = np.mean(a), scipy.stats.sem(a)
h = se * scipy.stats.t.ppf((1 + confidence) / 2., n-1)
return m, m-h, m+h
you can calculate like this way.
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Get column index from column name in python pandas
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answered Oct 23 '12 at 0:06
DSMDSM
269k5050 gold badges494494 silver badges427427 bronze badges
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Convert varchar to uniqueidentifier in SQL Server
...I have no control of the schema for, contains a column defined as varchar(50) which stores uniqueidentifiers in the format 'a89b1acd95016ae6b9c8aabb07da2010' (no hyphens)
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How to find the key of the largest value hash?
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230
This will return max hash key-value pair depending on the value of hash elements:
def largest_h...
Why does PHP consider 0 to be equal to a string?
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You are doing == which sorts out the types for you.
0 is an int, so in this case it is going to cast 'e' to an int. Which is not parsable as one and will become 0. A string '0e' would become 0 and would match!
Use ===
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Reset PHP Array Index
...45 => "America"
);
$b = array_values($a);
print_r($b);
Array
(
[0] => Hello
[1] => Moo
[2] => America
)
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CSS - Overflow: Scroll; - Always show vertical scroll bar?
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401
Just ran into this problem myself. OSx Lion hides scrollbars while not in use to make it seem m...
Deleting all pending tasks in celery / rabbitmq
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303
From the docs:
$ celery -A proj purge
or
from proj.celery import app
app.control.purge()
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python dataframe pandas drop column using int
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edited Feb 16 '16 at 10:48
frederikf
333 bronze badges
answered Nov 30 '13 at 15:06
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