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What does = +_ mean in JavaScript
...st "1" to pure number 1.
var _ = "1";
var r = +_;
r is now 1, not "1".
Moreover, according to the MDN page on Arithmetic Operators:
The unary plus operator precedes its operand and evaluates to its
operand but attempts to converts it into a number, if it isn't
already. [...] It can conve...
What is the difference between inversedBy and mappedBy?
...ufficient for me to understand what was going on, so after delving into it more I think I have a way of explaining it that will make sense for people who struggled like I did to understand.
inversedBy and mappedBy are used by the INTERNAL DOCTRINE engine to reduce the number of SQL queries it has t...
Using the “start” command with parameters passed to the started program
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@rene thanks for the edit. If I add any more answers, I'll be sure to use the code block format
– JustAnotherMikhail
Jun 24 '19 at 19:36
add...
Intelligent point label placement in R
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Meaning of @classmethod and @staticmethod for beginner? [duplicate]
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return date1
date2 = Date.from_string('11-09-2012')
Let's look more carefully at the above implementation, and review what advantages we have here:
We've implemented date string parsing in one place and it's reusable now.
Encapsulation works fine here (if you think that you could imple...
Why is this inline-block element pushed downward?
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Basically you have added more clutter in your code which is creating more confusion so first I try to remove clutter which hinders understanding the real issue.
First of all we have to establish that what's the real question?
Its that why "inline-bl...
comparing 2 strings alphabetically for sorting purposes
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+1 for Peter; This is more compatible with how Javascript array sorting works anyway so it's more useful, and I think it's more of what the OP was asking for.
– Grandclosing
Dec 26 '16 at 20:24
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How to merge dictionaries of dictionaries?
...call it like merge(dict(a), b).
agf pointed out (below) that you may have more than two dicts, in which case you can use:
reduce(merge, [dict1, dict2, dict3...])
where everything will be added to dict1.
[note - i edited my initial answer to mutate the first argument; that makes the "reduce" eas...
How do I navigate in the results of Diff
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Nice, is there a man page on this? i.e. does it use less/more style keys?
– Ian Vaughan
May 14 '14 at 10:56
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How to delete last item in list?
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