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How to get a value from a cell of a dataframe?

...ith only one row, then access the first (only) row as a Series using iloc, and then the value using the column name: In [3]: sub_df Out[3]: A B 2 -0.133653 -0.030854 In [4]: sub_df.iloc[0] Out[4]: A -0.133653 B -0.030854 Name: 2, dtype: float64 In [5]: sub_df.iloc[0]['A'] Ou...
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Why generate long serialVersionUID instead of a simple 1L?

...is would only be useful if you neglected to use a serialVersionUID before, and then made a change that you know should be compatible but which causes serialization to break. See the Java Serialization Spec for more details. ...
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How to make tinymce paste in plain text by default

Googled it thousands of times, No one gives a complete solution of how to make Tinymce paste in plain text by default and strip out any formatting without clicking the "paste as text" button. ...
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Get int value from enum in C#

...sn't true. You can create Enumeration without casting, it is not required. and I only assign number in special cases, most of the time, I leave it as default value. but you can do enum Test { Item = 1 } and see that 1 == (int)Test.Item is equal. – Jaider Jun 28...
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How to iterate through SparseArray?

Is there a way to iterate over Java SparseArray (for Android) ? I used sparsearray to easily get values by index. I could not find one. ...
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How to remove all the null elements inside a generic list in one go?

... @Mark: I saw the posted seconds and man it was close (32, 33, and 34). ;) – Lance Jun 18 '10 at 13:04 1 ...
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How to check for a JSON response using RSpec?

... You can examine the response object and verify that it contains the expected value: @expected = { :flashcard => @flashcard, :lesson => @lesson, :success => true }.to_json get :action # replace with action name / params...
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PhpStorm wrap/surround selection?

Often in coding and templating I need to wrap a certain part of text. Is there any shortcut to wrap the current selection, for example: ...
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How do I check if file exists in Makefile so I can delete it?

... Helps to also understand what $(wildcard pattern) actually does. See link. – Dr. Dan Nov 5 '18 at 22:43 1 ...
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Call a stored procedure with parameter in c#

I can do a delete, insert and update in my program and I try to do an insert by call a created stored procedure from my database. ...