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How to select where ID in Array Rails ActiveRecord without exception
...works in the
user.comments.find_all_by_id(potentially_nonexistent_ids)
case as well.
Update: Rails 4
Comment.where(id: [2, 3, 5])
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How to compare Lists in Unit Testing
How can this test fail?
7 Answers
7
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Remove outline from select box in FF
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This should take care of every FF and only FF: @-moz-document url-prefix() { ::-moz-focus-inner {border: none} select:-moz-focusring { color: transparent; text-shadow: 0px 0px 0px #000; } }
– Timo Kähkönen
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Question mark and colon in JavaScript
I came across the following line
7 Answers
7
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What is the difference between String.Empty and “” (empty string)?
... , and are they interchangable, or is there some underlying reference or Localization issues around equality that String.Empty will ensure are not a problem?
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How do I escape characters in c# comments?
I realized today that I don't know how to escape characters in comments for C#. I want to document a generic C# class, but I can not write a proper example since I don't know how to escape the < and > characters. Do I have to use &lt; and &gt; ? I don't like if that is the case ...
How do I format a long integer as a string without separator in Java?
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String.valueOf() calls Long.toString()
– Peter Lawrey
Jan 4 '10 at 11:00
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How can I remove all text after a character in bash?
How can I remove all text after a character, in this case a colon (":"), in bash? Can I remove the colon, too? I have no idea how to.
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Convert string to List in one line?
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I prefer this because it prevents a single item list with an empty item if your source string is empty:
IEnumerable<string> namesList =
!string.isNullOrEmpty(names) ? names.Split(',') : Enumerable.Empty<string>();
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How do I iterate through children elements of a div using jQuery?
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Use children() and each(), you can optionally pass a selector to children
$('#mydiv').children('input').each(function () {
alert(this.value); // "this" is the current element in the loop
});
You could also just use the immediate child selector:
$('...