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Using GSON to parse a JSON array
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113
Problem is caused by comma at the end of (in your case each) JSON object placed in the array:
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What is the right way to override a setter method in Ruby on Rails?
I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
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Parameterize an SQL IN clause
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318
Here's a quick-and-dirty technique I have used:
SELECT * FROM Tags
WHERE '|ruby|rails|scruffy...
Python timedelta in years
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Your best bet is to use the dateutil.relativedelta object, but that's a 3rd party module. If you want to know the datetime that was n years from some date (defaulting to right now), you can do the following::
from dateutil.relativedelta import relativedelta
def yearsago(years, from_date=None):...
Modular multiplicative inverse function in Python
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131
Maybe someone will find this useful (from wikibooks):
def egcd(a, b):
if a == 0:
r...
'typeid' versus 'typeof' in C++
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203
C++ language has no such thing as typeof. You must be looking at some compiler-specific extensio...
How do I find numeric columns in Pandas?
...clude and exclude. So isNumeric would look like:
numerics = ['int16', 'int32', 'int64', 'float16', 'float32', 'float64']
newdf = df.select_dtypes(include=numerics)
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git push to specific branch
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answered Oct 3 '13 at 8:36
Petr MensikPetr Mensik
23.3k1111 gold badges8080 silver badges108108 bronze badges
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Create a GUID in Java
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355
Have a look at the UUID class bundled with Java 5 and later.
For example:
If you want a ra...