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Converting strings to floats in a DataFrame
...hole dataframe or just individual columns. It also gives you an ability to select how to treat stuff that can't be converted to numeric values:
import pandas as pd
s = pd.Series(['1.0', '2', -3])
pd.to_numeric(s)
s = pd.Series(['apple', '1.0', '2', -3])
pd.to_numeric(s, errors='ignore')
pd.to_numer...
Android dex gives a BufferOverflowException when building
...pport Library and restarted Eclipse. You may have to play around with your selected API level.
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How to print a groupby object
...
for key, values in gb.iteritems():
print(df.ix[values], "\n\n")
For selective key grouping: Insert the keys you want inside the key_list_from_gb, in following, using gb.keys(): For Example,
gb = grouped_df.groups
gb.keys()
key_list_from_gb = [key1, key2, key3]
for key, values in gb.items()...
increment date by one month
... return $dateReturned;
}
Example:
$startDate = '2014-06-03'; // select date in Y-m-d format
$nMonths = 1; // choose how many months you want to move ahead
$final = endCycle($startDate, $nMonths); // output: 2014-07-02
...
How to stop an app on Heroku?
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Go to your dashboard on heroku. Select the app. There is a dynos section. Just pull the sliders for the dynos down, (a decrease in dynos is to the left), to the number of dynos you want to be running. The slider goes to 0. Then save your changes. Boom.
Acc...
How can I do time/hours arithmetic in Google Spreadsheet?
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Google Sheets now have a duration formatting option. Select: Format -> Number -> Duration.
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What is the best way to remove a table row with jQuery?
.../tr>
If you don't have an id, you can use any of jQuery's plethora of selectors.
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`require': no such file to load — mkmf (LoadError)
... to use the ubuntu software center there is an add-on for ruby-dev you can select for the 'Header files for compiling extension modules'.
– RightHandedMonkey
Aug 13 '13 at 1:38
...
Best introduction to C++ template metaprogramming? [closed]
...ile-Time Assertions", 2.4 "Mapping Integral Constants to Types", 2.6 "Type Selection", 2.7 "Detecting Convertibility and Inheritance at Compile Time", 2.9 "NullType and EmptyType" and 2.10 "Type Traits".
The best intermediate/advanced resource I've found is C++ Template Metaprogramming by David Abr...
How to find reason of failed Build without any error or warning
...
Build + Intellisense swallowed the error messages.
Selecting Build Only displayed them.
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