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When should I use double or single quotes in JavaScript?
...r use of single vs. double in different libraries is programmer preference and/or API consistency. Other than being consistent, use whichever best suits the string.
Using the other type of quote as a literal:
alert('Say "Hello"');
alert("Say 'Hello'");
This can get complicated:
alert("It's \"game\"...
How to link Docker services across hosts?
...allows servers from multiple containers to connect to each other via links and service discovery . However, from what I can see this service discovery is host-local. I would like to implement a service that uses other services hosted on a different machine.
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When to use lambda, when to use Proc.new?
In Ruby 1.8, there are subtle differences between proc/lambda on the one hand, and Proc.new on the other.
14 Answers
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
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Braces ($var vs. ${var})
In most cases, $var and ${var} are the same:
var=foo
echo $var
# foo
echo ${var}
# foo
The braces are only needed to resolve ambiguity in expressions:
var=foo
echo $varbar
# Prints nothing because there is no variable 'varbar'
echo ${var}bar...
What, why or when it is better to choose cshtml vs aspx?
I would like to know what, why or when it is better to choose cshtml and what, why or when it is better to choose aspx technologies? What are these two technologies intended for?
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Can PHP cURL retrieve response headers AND body in a single request?
Is there any way to get both headers and body for a cURL request using PHP? I found that this option:
13 Answers
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What are all codecs and formats supported by FFmpeg?
I need a list of codecs and formats supported by FFmpeg. Where can I find it?
4 Answers
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How JavaScript closures are garbage collected
I've logged the following Chrome bug , which has led to many serious and non-obvious memory leaks in my code:
6 Answers
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Generate colors between red and green for a power meter?
I'm writing a Java game and I want to implement a power meter for how hard you are going to shoot something.
19 Answers
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How do I create a URL shortener?
...a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
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