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How do I copy a hash in Ruby?
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Hash can create a new hash from an existing hash:
irb(main):009:0> h1 = {1 => 2}
=> {1=>2}
irb(main):010:0> h2 = Hash[h1]
=> {1=>2}
irb(main):011:0> h1.object_id
=> 2150233660
irb(main):012:0> h2.object_id
=> 215020506...
Why do table names in SQL Server start with “dbo”?
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This article from a different answer claims that it is in fact a best practice: "The code would not have to use the fully qualified name, though there is a slight performance gain in doing so and is considered a best practice. "
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
... I really get the impression that segment trees < interval trees from this. Is there any reason to prefer a segment tree? E.g. implementation simplicity?
– j_random_hacker
Jul 24 '13 at 21:36
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How to @link to a Enum Value using Javadoc
...is defined within class A and one is trying to reference one of its values from class B javadoc? I've found neither A.Planet#EARTH nor A#Planet#EARTH to work for OpenJDK 1.6 update 24 javadoc, although eclipse knows to find declaration with A.Planet#EARTH style.
– Stevo Slavi...
string sanitizer for filename
...moving NULL and Control characters. ASCII of 0 to 32 should all be removed from the string.
– Basil Musa
Dec 21 '15 at 23:00
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What does $(function() {} ); do?
...ction, which is prefixed with the $ or the word jQuery generally is called from within that method.
$(document).ready(function() {
// Assign all list items on the page to be the color red.
// This does not work until AFTER the entire DOM is "ready", hence the $(document).rea...
What is the difference between concurrency and parallelism?
...ifferent organizations with various gophers.
Now the strength of Go comes from making this breaking really easy with go keyword and channels. Also, there is excellent underlying support in the runtime to schedule these goroutines.
But essentially, is concurrency better that parallelism?
Are apple...
Can't find how to use HttpContent
...4.5, you can use a .NET 4 version by adding the Microsoft.Net.Http package from NuGet
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What is unit testing? [closed]
... document what something is supposed to do, they can help you migrate code from one project to another and give you an unwarranted feeling of superiority over your non-testing colleagues :)
This presentation is an excellent introduction to all the yummy goodness testing entails.
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C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
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Quoting twkm from ircnet: the linker only maintains a list of symbols needed. once a file's symbols have been searched, only what it needs is kept, what it provides is discarded and it moves to the next filename. so left to right, but ...