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How do you cast a List of supertypes to a List of subtypes?
... methods.
Filtering the list based on the type
A more type-safe way of converting from a List<Supertype> to a List<Subtype> is to actually filter the list, and create a new list that contains only elements that have certain type. There are some degrees of freedom for the implementat...
How to check if AlarmManager already has an alarm set?
...o check if a particular alarm (registered via AlarmManager) is already set and running. Results from google seem to indicate that there is no way to do this. Is this still correct? I need to do this check in order to advise the user before any action is taken to create a new alarm.
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List of tuples to dictionary
Here's how I'm currently converting a list of tuples to dictionary in Python:
4 Answers
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How do I iterate through each element in an n-dimensional matrix in MATLAB?
... ind2sub in the loop
for ii=1:nel
[ szargs{:} ] = ind2sub( sz, ii ); % Convert linear index back to subscripts
if all( [szargs{2:end}] == szargs{1} ) % On the diagonal?
d( ii ) = 1;
end
end
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Load “Vanilla” Javascript Libraries into Node.js
...liked a second mechanism to include external files, one that automatically converted the included file's global namespace to the imported namespace. Perhaps you could file a RFE to the Node developers?
– Martijn
Mar 3 '11 at 7:02
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How can I do string interpolation in JavaScript?
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Is there a way to convert a standard string to a template string literal? For example, if one had a json file containing a translation table that needed values interpolated into them for display purposes? I think the first solution probably wo...
Is it possible to have empty RequestParam values use the defaultValue?
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You could change the @RequestParam type to an Integer and make it not required. This would allow your request to succeed, but it would then be null. You could explicitly set it to your default value in the controller method:
@RequestMapping(value = "/test", method = RequestMeth...
How do I read any request header in PHP
...header fields, if the protocol used is HTTP. The HTTP header field name is converted to upper case, has all occurrences of - replaced with _ and has HTTP_ prepended to give the meta-variable name.
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Length of generator output [duplicate]
... this might be less memory consuming but it seems to be slower than simply converting it to a list.
– lumbric
May 16 '15 at 8:23
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CSS display: table min-height not working
...my footer where it should be. Works great in Chrome, but not FF or the PDf converter I'm using; wkhtmltopdf. Yes, height works, but doesn't mean the same thing semantically as min-height.
– rainabba
Feb 4 '16 at 1:54
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