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How to concatenate two numbers in javascript?
I'd like for something like 5 + 6 to return "56" instead of 11 .
16 Answers
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Difference between rake db:migrate db:reset and db:schema:load
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1328
db:migrate runs (single) migrations that have not run yet.
db:create creates the database
db...
How does one make an optional closure in swift?
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113
You should enclose the optional closure in parentheses. This will properly scope the ? operato...
Java8: Why is it forbidden to define a default method for a method from java.lang.Object
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187
This is yet another of those language design issues that seems "obviously a good idea" until y...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...essing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.TryGetValue(name, out item))
return null;
return item;
This accesses the dictionary only once instead of twice.
If you really want...
How is pattern matching in Scala implemented at the bytecode level?
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edited Apr 16 '09 at 3:00
answered Apr 16 '09 at 2:03
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Stash changes while keeping the changes in the working directory in Git
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163
For what it's worth, another way to do this is to stage the changes you want to keep, and then...
Difference between knockout View Models declared as object literals vs functions
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edited May 1 '16 at 3:51
Martlark
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