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Passing a method as a parameter in Ruby
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# square the dist
dist * dist
end
But it sounds like you would like more reusable chunks of code here.
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javascript set a variable if undefined
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I'm surprised this pattern isn't included in more JS libs.
– joemaller
Feb 15 '13 at 19:25
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how do I use the grep --include option for multiple file types?
... substitute; lots of times when you need this feature, you're dealing with more files than xargs will handle.
– James Moore
Aug 14 '14 at 17:54
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make arrayList.toArray() return more specific types
...d on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Select top 10 records for each category
...rs WHERE Rank <= 10
If your RankCriteria has ties then you may return more than 10 rows and Matt's solution may be better for you.
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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
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>>> type(math.ceil(3.1))
<class 'int'>
You can find more information in PEP 3141.
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How to make a new List in Java
...an IDE you can also generally view a type hierarchy in there, which may be more convenient. In Eclipse the default shortcut is F4, and in IDEA it is Ctrl+H.
– David Mason
Jun 10 '14 at 14:28
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How to rename a file using Python
...rename structure we want:
p.rename(Path(p.parent, new_file_name + ext))
More shortly to showcase its simplicity:
Python 3.6+:
from pathlib import Path
p = Path(some_path)
p.rename(Path(p.parent, f"{p.stem}_1_{p.suffix}"))
Versions less than Python 3.6 use the string format method instead:
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What's the difference between VARCHAR and CHAR?
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How to write very long string that conforms with PEP8 and prevent E501
...mewhere that its use is actually deprecated in favor of this form which is more explicit. Remember "Explicit is better than implicit."
I consider the backslash to be less clear and less useful because this is actually escaping the newline character. It's not possible to put a line end comment after...