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Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...:
the_thing = 2
elif something == 'there':
the_thing = 3
else:
the_thing = 4
2.py
something = 'something'
options = {'this': 1, 'that': 2, 'there': 3}
for i in xrange(1000000):
the_thing = options.get(something, 4)
3.py
something = 'something'
options = {'t...
Remove columns from dataframe where ALL values are NA
... teucerteucer
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3
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Modulo operation with negative numbers
... sense, logically. Right?
Let's see what this leads to:
Example A. 5/(-3) is -1
=> (-1) * (-3) + 5%(-3) = 5
This can only happen if 5%(-3) is 2.
Example B. (-5)/3 is -1
=> (-1) * 3 + (-5)%3 = -5
This can only happen if (-5)%3 is -2
...
Static variables in member functions
...e of i will remain through out the program. To add an example:
A o1, o2, o3;
o1.foo(); // i = 1
o2.foo(); // i = 2
o3.foo(); // i = 3
o1.foo(); // i = 4
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Is there a way to 'uniq' by column?
...
335
sort -u -t, -k1,1 file
-u for unique
-t, so comma is the delimiter
-k1,1 for the key field ...
How to handle exceptions in a list comprehensions?
...rtelli
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What are the correct version numbers for C#?
...numbers for C#? What came out when? Why can't I find any answers about C# 3.5 ?
12 Answers
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Re-ordering columns in pandas dataframe based on column name [duplicate]
...
399
df = df.reindex(sorted(df.columns), axis=1)
This assumes that sorting the column names will ...
Spring 3.0 - Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springfra
...factId>spring-security-config</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
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Decreasing for loops in Python impossible?
...
for n in range(6,0,-1):
print n
# prints [6, 5, 4, 3, 2, 1]
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