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How can I verify if one list is a subset of another?
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The performant function Python provides for this is set.issubset. It does have a few restrictions that make it unclear if it's the answer to your question, however.
A list may contain items multiple times and has a specific order. A set does not. Additionally, sets only work on hashable ob...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
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Chrome: Stand-alone installers can be downloaded from File Hippo. It is also possible to run multiple Chrome versions
side-by-side.
Although Sandboxie can be used, it's
recommended to use the next native method in order to run multiple
versions side-by-side.
Download the ...
horizontal line and right way to code it in html, css
...ed to draw a horizontal line after some block, and I have three ways to do it:
10 Answers
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In what areas might the use of F# be more appropriate than C#? [closed]
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I have written an application to balance the national power generation schedule for a portfolio of power stations to a trading position for an energy company. The client and server components were in C# but the calculation engine was ...
Delete fork dependency of a GitHub repository
How can I make GitHub forget or disassociate that my repo was originally a fork of another project?
6 Answers
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ActiveRecord.find(array_of_ids), preserving order
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There is a function in mysql called FIELD()
Here is how you could use it in .find():
>> ids = [100, 1, 6]
=> [100, 1, 6]
>> WordDocument.find(ids).collect(&:id)
=> [1, 6, 100]
>> WordDocument.find(ids, :order => "field(id, #{ids.join(',')})")
=> [100, 1, 6]
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Good Hash Function for Strings
...m trying to think up a good hash function for strings. And I was thinking it might be a good idea to sum up the unicode values for the first five characters in the string (assuming it has five, otherwise stop where it ends). Would that be a good idea, or is it a bad one?
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Spring Boot JPA - configuring auto reconnect
I have a nice little Spring Boot JPA web application. It is deployed on Amazon Beanstalk and uses an Amazon RDS for persisting data. It is however not used that often and therefore fails after a while with this kind of exception:
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How to negate specific word in regex? [duplicate]
...bar).*$
The negative lookahead construct is the pair of parentheses, with the opening parenthesis followed by a question mark and an exclamation point. Inside the lookahead [is any regex pattern].
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Font size in CSS - % or em?
... List Apart.
Their conclusion:
Sizing text and line-height in ems,
with a percentage specified on the
body (and an optional caveat for
Safari 2), was shown to provide
accurate, resizable text across all
browsers in common use today. This is
a technique you can put in your kit
bag ...