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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
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I found a faster way to solve the problem, at least on realistically large datasets using:
df.set_index(KEY).to_dict()[VALUE]
Proof on 50,000 rows:
df = pd.DataFrame(np.random.randint(32, 120, 100000).reshape(50000,2),columns=list('AB'))
df['A'] = df['A'].apply(chr)
%timeit dict(zip(df...
How can I add a third button to an Android Alert Dialog?
...that the Alert Dialog can have one, two or three buttons, but the SDK only allows for a positive and negative button. How then can I add a third button?
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Select statement to find duplicates on certain fields
...se and a sub query if needed. If you can post some sample data, it would really help.
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Rails new vs create
...d to render a form suitable for creating a new resource, which it does by calling the new action within the controller, which creates a new unsaved record and renders the form.
An HTTP POST to /resources takes the record created as part of the new action and passes it to the create action within th...
What would be the Unicode character for big bullet in the middle of the character?
...???? NEW MOON SYMBOL 1F311
Good luck finding a font that supports them all. Only one shows up in Windows 7 with Chrome.
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Overflow to left instead of right
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This is a great answer as direction rtl has all sorts of side effects. If you want to ensure the inner div is left aligned and only truncated to the left if the div is exceeded, set the .outer-div to max-width: 100% and display: inline-block. See here
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Chrome Dev Tools - “Size” vs “Content”
...of things can make them different, including:
Being served from cache (small or 0 "size")
Response headers, including cookies (larger "size" than "content")
Redirects or authentication requests
gzip compression (smaller "size" than "content", usually)
From the docs:
Size is the combined size...
How to pass multiple parameters in a querystring
.....; see below).
While there is no definitive standard, most web frameworks allow multiple values to be associated with a single field:
field1=value1&field1=value2&field1=value3...
For each field of the form, the query string contains a pair field=value. Web forms may include fields that are...
Is there a way to suppress JSHint warning for one given line?
... Sublime Text 2/3 plugins to work, you will need to upgrade jshint specifically in the ST package folder. (I specifically ran in to this with JSHint Gutter)
– Josh
Nov 15 '13 at 16:19
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Basic HTTP and Bearer Token Authentication
...sible. But as also stated ""The user agent MUST choose to use one of the challenges with the strongest auth-scheme it understands and request credentials from the user based upon that challenge." So like i have written 2 days ago i needed to pass the token to a non-standard header which is absolutel...