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NOT using repository pattern, use the ORM as is (EF)
...y pattern. I cannot stress this enough! This is something that one has to crawl through the mud to figure out. There will always be that one query that breaks your perfectly thought out repository/solution that you've created, and it's not until that point where you second guess yourself and the tec...
How do I connect to a MySQL Database in Python?
...et
numrows = cursor.rowcount
# Get and display one row at a time
for x in range(0, numrows):
row = cursor.fetchone()
print row[0], "-->", row[1]
# Close the connection
db.close()
Reference here
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How to convert comma-delimited string to list in Python?
...haracter strings to list-
def stringtolist(x):
mylist=[]
for i in range(0,len(x),2):
mylist.append(x[i])
return mylist
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fol...
Asterisk in function call
... concept/using it.
import random
def arbitrary():
return [x for x in range(1, random.randint(3,10))]
a, b, *rest = arbitrary()
# a = 1
# b = 2
# rest = [3,4,5]
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What is the difference between `throw new Error` and `throw someObject`?
...iption
EvalError An error in the eval() function has occurred.
RangeError Out of range number value has occurred.
ReferenceError An illegal reference has occurred.
SyntaxError A syntax error within code inside the eval() function has occurred.
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What's the difference between `1L` and `1`?
...and mean!
1e9L * 4L # Ooops, overflow!
...and as @Gavin pointed out, the range for integers is roughly -2e9 to 2e9.
A caveat though is that this applies to the current R version (2.13). R might change this at some point (64-bit integers would be sweet, which could enable vectors of length > 2...
Algorithm to calculate the number of divisors of a given number
... even want to have to look at the prime list. You want to eliminate whole ranges of possibilities as quickly as possible! See my answer for more.
– user11318
Sep 21 '08 at 9:33
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What are all codecs and formats supported by FFmpeg?
...pported by a specific build/installation of FFmpeg. There are a very wide range of FFmpeg builds in use.
– mikerobi
Oct 5 '11 at 19:02
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How do you generate dynamic (parameterized) unit tests in python?
..."
Test that numbers between 0 and 5 are all even.
"""
for i in range(0, 6):
with self.subTest(i=i):
self.assertEqual(i % 2, 0)
The output of a test run would be:
======================================================================
FAIL: test_even (__main__.Number...
Numpy index slice without losing dimension information
...nd a few reasonable solutions.
1) use numpy.take(X,[10],0)
2) use this strange indexing X[10:11:, :]
Ideally, this should be the default. I never understood why dimensions are ever dropped. But that's a discussion for numpy...
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