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Get lengths of a list in a jinja2 template
...nswered Jul 4 '19 at 21:26
DmitriDmitri
1933 bronze badges
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How to use a variable for the key part of a map
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Just to provide a reference: the Map Documentation says: To use the value of a String as the key value of a map, simply surround the variable with parenthesis.
– mmigdol
Oct 13 '11 at 15:43
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vertical & horizontal lines in matplotlib
...pecified limits. I would like to bound the data by this box. However, the sides do not seem to comply with my instructions. Why is this?
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Why is HTML5 input type datetime removed from browsers already supporting it?
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Finding # occurrences of a character in a string in Ruby
...x which varies slightly from another answer but was helpful in order to avoid regex.
string = 'This is an example'
puts string.scan('e')
Outputs:
['e','e']
I explored these methods further in a small video guide I created after I figured it out.
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Is well formed without a ?
Is it valid to have <input> without it being in a <form> ?
7 Answers
7
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Understanding scala enumerations
...on classes. I can copy-paste the example from documentation, but I have no idea what is going on.
1 Answer
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Inheriting constructors
...erit all of them. To inherit only selected ones you need to write the individual constructors manually and call the base constructor as needed from them.
Historically constructors could not be inherited in the C++03 standard. You needed to inherit them manually one by one by calling base implementa...
Mixing a PHP variable with a string literal
...ngs is often done after processing has occurred. Calling functions in the middle of preparing your output it often not what you want. Consider calling the function first, storing the result in a variable and then you can include it in the string echo "like so: $var";.
– Jochem ...
Rails: redirect_to with :error, but flash[:error] empty
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