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How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
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3 Answers
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How does one use rescue in Ruby without the begin and end block
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Also, class definitions, module definitions and (I think) do/end block literals form implicit exception blocks.
– Jör...
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
...wo arrays to be evaluated in boolean context (by
calling __bool__ in Python3 or __nonzero__ in Python2).
Your original code
mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate))
selected = r[mask]
looks correct. However, if you do want and, then instead of a and b use (a-b).any() or ...
Ruby: Merging variables in to a string
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Chucky
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answered Feb 16 '09 at 21:42
Mike WoodhouseMike Woodhouse
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Color in git-log
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As of git 1.8.3 (May 24, 2013), you can use %C(auto) to decorate %d in the format string of git log.
From the release notes:
* "git log --format" specifier learned %C(auto) token that tells Git
to use color when interpolating %d (dec...
Does git return specific return error codes?
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chrisaycockchrisaycock
30.6k1111 gold badges7777 silver badges110110 bronze badges
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How to check if a value exists in a dictionary (python)
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>>> d = {'1': 'one', '3': 'three', '2': 'two', '5': 'five', '4': 'four'}
>>>...
Difference between array_map, array_walk and array_filter
...rary parameter to pass to the callback. This mostly irrelevant since PHP 5.3 (when anonymous functions were introduced).
Length of Returned Array:
The resulting array of array_map has the same length as that of the largest input array; array_walk does not return an array but at the same time it c...
How to get Scala List from Java List?
... did not work
In 2.12.x use import scala.collection.JavaConverters._
In 2.13.x use import scala.jdk.CollectionConverters._
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