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Parsing a string into a boolean value in PHP
...ues "true" and "false" are not correctly parsed to boolean in a condition, for example considering the following function:
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How do I check for last loop iteration in Django template?
...late language how can you tell if you are at the last loop iteration in a for loop?
2 Answers
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How to copy a collection from one database to another in MongoDB
... request.
You could do something like:
db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_database>')['<collection_name>'].insert(d); });
Please note that with this, the two databases would need to share the same mongod for this to work.
Besides this, you ...
Is there an AddRange equivalent for a HashSet in C#
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For HashSet<T>, the name is UnionWith.
This is to indicate the distinct way the HashSet works. You cannot safely Add a set of random elements to it like in Collections, some elements may naturally evaporate.
I think t...
How do I get the type of a variable?
...turned by typeid are very abbreviated, compiler-specific, and not intended for human consumption. You can "demangle" them (that's the actual term!), either in code with something like gcc.gnu.org/onlinedocs/libstdc++/manual/ext_demangling.html, with command line utilities such as c++filt, or with an...
MySQL offset infinite rows
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offset up to the end of the result
set, you can use some large number for
the second parameter. This statement
retrieves all rows from the 96th row
to the last:
SELECT * FROM tbl LIMIT 95, 18446744073709551615;
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What is the HTML tag “div” short for?
What is the div in the <div> tag short for? Is it "division"? I've looked around Google and SO and haven't found an answer.
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Valid content-type for XML, HTML and XHTML documents
What are the correct content-types for XML, HTML and XHTML documents?
1 Answer
1
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How to draw polygons on an HTML5 canvas?
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can you replace c2 with ctx? I think it's more common use for canvas context. great answer by the way
– gididaf
Jan 21 '18 at 8:00
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Shortest way to print current year in a website
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You can just call getFullYear directly on the newly-created Date, no need for a variable. new Date().getFullYear() may look a bit odd, but it's reliable: the new Date() part is done first, then the .getFullYear().
You can drop the type, because JavaScript is the default; this is even documented as ...