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Sort a list by multiple attributes?
... to perhaps tell you how they want sorting done for some operation in your api by only have to give you a list and not coupling them to your back end implementation.
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What is the correct way to get a subarray in Scala?
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oh, of course, ArrayOps scala-lang.org/api/current/scala/collection/mutable/…, I'm dumb.
– nnythm
May 31 '12 at 9:43
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Ruby: How to iterate over a range, but in set increments?
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See http://ruby-doc.org/core/classes/Range.html#M000695 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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How to create .pfx file from certificate and private key?
...tion, then you may want to consider using the http://www.bouncycastle.org/ api.
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
...se JAXB, which contains DatatypeConverter, you'll need to install the JAXB API and JAXB Runtime from Maven.
Example usage:
byte bytes[] = {(byte)0, (byte)0, (byte)134, (byte)0, (byte)61};
String hex = javax.xml.bind.DatatypeConverter.printHexBinary(bytes);
Will result in:
000086003D
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Understanding scala enumerations
... internal counter so that each value is individual.
If you open the Scala API docs for Enumeration and click on Visibility: All, you will see that method appearing.
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Rails: redirect_to with :error, but flash[:error] empty
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As stated in the Rails API only :notice and :alert are by default applied as a flash hash value. If you need to set the :error value, you can do it like this:
redirect_to show_path, flash: { error: "Insufficient rights!" }
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Pagination on a list using ng-repeat
... // needed for the pagination calc
// https://docs.angularjs.org/api/ng/filter/filter
return $filter('filter')($scope.data, $scope.q)
/*
// manual filter
// if u used this, remove the filter from html, remove above line and replace data with getData()
var...
How can I parse a string with a comma thousand separator to a number?
...mehow they managed to ship the spec with only a Intl.NumberFormat.format() API and no parse counterpart :(
The only way to parse a string with cultural numeric characters in it to a machine recognisable number in any i18n sane way is to use a library that leverages CLDR data to cover off all possib...
Getting the encoding of a Postgres database
..._database -c 'SHOW SERVER_ENCODING'
From within psql, an SQL IDE or an API:
SHOW SERVER_ENCODING
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