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get list from pandas dataframe column

...rame columns are Pandas Series when you pull them out, which you can then call x.tolist() on to turn them into a Python list. Alternatively you cast it with list(x). import pandas as pd data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']), 'two': pd.Series([1, 2, 3, 4], inde...
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How to append a newline to StringBuilder

... @tuscland - Why not just use System.lineSeparator() all the time? Why is '\n' a better option as default? – RyanfaeScotland Jun 3 '15 at 15:46 ...
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Authenticating in PHP using LDAP through Active Directory

...users through LDAP with PHP (with Active Directory being the provider). Ideally, it should be able to run on IIS 7 ( adLDAP does it on Apache). Anyone had done anything similar, with success? ...
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Java Enum definition

...? By making the type argument the new type itself. So if I've got an enum called StatusCode, it would be equivalent to: public class StatusCode extends Enum<StatusCode> Now if you check the constraints, we've got Enum<StatusCode> - so E=StatusCode. Let's check: does E extend Enum<S...
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Where to place and how to read configuration resource files in servlet based application?

... It's your choice. There are basically three ways in a Java web application archive (WAR): 1. Put it in classpath So that you can load it by ClassLoader#getResourceAsStream() with a classpath-relative path: ClassLoader classLoader = Thread.currentThread().ge...
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What is the instanceof operator in JavaScript?

...ce p inherits from Person.prototype. Per the OP's request I've added a small example with some sample code and an explanation. When you declare a variable you give it a specific type. For instance: int i; float f; Customer c; The above show you some variables, namely i, f, and c. The type...
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Write a program to find 100 largest numbers out of an array of 1 billion numbers

...gh the billion numbers, whenever you encounter a number greater than the smallest number in the queue (the head of the queue), remove the head of the queue and add the new number to the queue. EDIT: as Dev noted, with a priority queue implemented with a heap, the complexity of insertion to queue is...
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Is there a faster/shorter way to initialize variables in a Rust struct?

...s one additional statement for each field to assign a value to the fields. All I want to be able to do is to assign default values when the struct is instantiated. ...
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Java Reflection Performance

Does creating an object using reflection rather than calling the class constructor result in any significant performance differences? ...
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Difference between decimal, float and double in .NET?

...n a decimal form, and expect exact results in decimal representations; not all decimal numbers are exactly representable in binary floating point – 0.1, for example – so if you use a binary floating point value you'll actually get an approximation to 0.1. You'll still get approximations when usi...