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Creating an empty Pandas DataFrame, then filling it?
...ge for the index:
import datetime
import pandas as pd
import numpy as np
todays_date = datetime.datetime.now().date()
index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D')
columns = ['A','B', 'C']
Note: we could create an empty DataFrame (with NaNs) simply by writing:
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How to pause / sleep thread or process in Android?
I want to make a pause between two lines of code, Let me explain a bit:
12 Answers
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How do I disable a Pylint warning?
I'm trying to disable warning C0321 ("more than one statement on a single line" -- I often put if statements with short single-line results on the same line), in Pylint 0.21.1 (if it matters: astng 0.20.1, common 0.50.3, Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56)).
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Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]
The INSTALL_FAILED_INSUFFICIENT_STORAGE error is the bane of every Android developer's life. It happens regardless of app size, or how much storage is available. Rebooting the target device fixes the problem briefly, but it soon comes back. There are hundreds (if not thousands) of message board po...
How to connect to LocalDB in Visual Studio Server Explorer?
I can't believe I couldn't find a working solution to this after an hour of searching. I'm following this article on Entity Framework 6.0 which gives a simple walk-through on Code First. I created the project and installed the latest EF Nuget package for the project to compile. I also verified t...
Can I use non existing CSS classes?
...ass is an attribute (or a property, in terms of scripting) that you assign to HTML elements. In other words, you declare classes in HTML, not CSS, so in your case the "target" class does in fact exist on those specific elements, and your markup is perfectly valid as it is.
This doesn't necessarily ...
Difference between local and global indexes in DynamoDB
...about these two secondary indexes and differences between them. It is hard to imagine how this looks like. And I think, this will help more people than just me.
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When to use ref and when it is not necessary in C#
...e program and also have some other worker functions that I pass the object to to modify the state. I have been passing it by ref to the worker functions. However I came across the following function.
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How to use SharedPreferences in Android to store, fetch and edit values [closed]
I want to store a time value and need to retrieve and edit it. How can I use SharedPreferences to do this?
31 Answers
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Python: Continuing to next iteration in outer loop
I wanted to know if there are any built-in ways to continue to next iteration in outer loop in python. For example, consider the code:
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