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I cloned a Git repository from my GitHub account to my PC.
24 Answers
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Convert Python dict into a dataframe
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The error here, is since calling the DataFrame constructor with scalar values (where it expects values to be a list/dict/... i.e. have multiple columns):
pd.DataFrame(d)
ValueError: If using all scalar values, you must must pass an index
You could take the items from the dictionary...
What is the _snowman param in Ruby on Rails 3 forms for?
... form_tag or form_for helpers there is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up.
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How to check if a function exists on a SQL database
I need to find out if a function exists on a database, so that I can drop it and create it again. It should basically be something like the following code that I use for stored procedures:
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MVVM: Tutorial from start to finish?
I'm a C#/Windows Forms programmer with more than 5 years experience. I've been investigating WPF using the MVVM (Model-View-ViewModel) design pattern. I have searched the Internet for tutorials. I have even watched the entirety of Jason Dolinger's awesome video. Although I have found many, I have no...
How do I change the title of the “back” button on a Navigation Bar
Currently the left bar button default value is the title of the view that loaded the current one, in other words the view to be shown when the button is pressed (back button).
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ValueError: invalid literal for int() with base 10: ''
... program that reads a file and if the first line of the file is not blank, it reads the next four lines. Calculations are performed on those lines and then the next line is read. If that line is not empty it continues. However, I am getting this error:
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“The given path's format is not supported.”
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edited Sep 8 '11 at 13:27
Justin
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Programmatically update widget from activity/service/receiver
I know it's possible, but I can't figure out a way to trigger an update of my widget from the main activity. Isn't there some general intent I can broadcast?
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Converting bool to text in C++
...s to "true" and 0 turns to "false"? I could just use an if statement, but it would be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :)
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