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Override ActiveRecord attribute methods
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211
Echoing Gareth's comments... your code will not work as written. It should be rewritten this w...
Adjusting Eclipse console size
... do you adjust the maximum lines in the console window? My program outputs 2000 lines of numbers and Eclipse truncates it so therefore I am missing some numbers.
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Aligning UIToolBar items
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259
Add two UIBarButtonSystemItemFlexibleSpace items to your toolbar, to the left and right of you...
HTML img scaling
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edited Oct 1 '15 at 22:22
Volker E.
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answ...
How to remove specific element from an array using python
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204
You don't need to iterate the array. Just:
>>> x = ['ala@ala.com', 'bala@bala.com']
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What does “mro()” do?
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214
Follow along...:
>>> class A(object): pass
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>>> A.__mro__
(<class '_...
Timertask or Handler
... thread");
// Repeat this the same runnable code block again another 2 seconds
handler.postDelayed(runnableCode, 2000);
}
};
// Start the initial runnable task by posting through the handler
handler.post(runnableCode);
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How to get one value at a time from a generator function in Python?
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Yes, or next(gen) in 2.6+.
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PHP CURL CURLOPT_SSL_VERIFYPEER ignored
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2 Answers
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pandas read_csv and filter columns with usecols
...pandas as pd
from StringIO import StringIO
csv = r"""dummy,date,loc,x
bar,20090101,a,1
bar,20090102,a,3
bar,20090103,a,5
bar,20090101,b,1
bar,20090102,b,3
bar,20090103,b,5"""
df = pd.read_csv(StringIO(csv),
header=0,
index_col=["date", "loc"],
usecols=["date", "loc", "x"],...