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How do you clear a slice in Go?
... of the valid ones certainly is:
slice = slice[:0]
But there's a catch. If slice elements are of type T:
var slice []T
then enforcing len(slice) to be zero, by the above "trick", doesn't make any element of
slice[:cap(slice)]
eligible for garbage collection. This might be the optimal appro...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
...nly uses as much memory as it needs to).
I noticed that the graph you specified above has only one edge that is directional (B,E). Was this a typo or is it really a directed graph? This solution works regardless. Sorry I was unable to do it in C, I'm a bit weak in that area. I expect that you will ...
MySQL - why not index every field?
...f thumb probably. But otherwise you could do a lot of reading it turns out if you want to become expert on indices. eg. stackoverflow.com/questions/3049283/…
– Andrew
Jan 11 '19 at 18:28
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difference between throw and throw new Exception()
what is the difference between
12 Answers
12
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Get name of currently executing test in JUnit 4
... I'm new to JUnit and was depending on TestName in my @Before without any difficulties.
– MightyE
Apr 16 '10 at 11:36
9
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Declaring functions in JavaScript [duplicate]
What's the difference between these two ways of declaring a function?
8 Answers
8
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...= a2
or prepend/append:
a1.push(*a2) # note the asterisk
a2.unshift(*a1) # note the asterisk, and that a2 is the receiver
or splice:
a1[a1.length, 0] = a2
a1[a1.length..0] = a2
a1.insert(a1.length, *a2)
or append and flatten:
(a1 << a2).flatten! # a call to #flatten inst...
How to initialize all members of an array to the same value in Swift?
I have a large array in Swift. I want to initialize all members to the same value (i.e. it could be zero or some other value). What would be the best approach?
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Creating a favicon [closed]
...
If you already have a logo image that you want to transform into a favicon, then you can convert it using http://www.favicomatic.com/.
It creates crisp favicons, and I haven't had to edit them after creating them.
It will ge...
how to edit .csproj file
... file which stores information about projects that make up your solution.
If you are using Visual Studio and have the need to view or edit your CSPROJ file while in Visual Studio you can do so by the following these simple steps:
Right click on your project in solution explorer and select Unload ...