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How to select where ID in Array Rails ActiveRecord without exception
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If it is just avoiding the exception you are worried about, the "find_all_by.." family of functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.c...
Swapping two variable value without using third variable
One of the very tricky questions asked in an interview.
27 Answers
27
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Hidden Features of Java
After reading Hidden Features of C# I wondered, What are some of the hidden features of Java?
100 Answers
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How can I pretty-print JSON in a shell script?
Is there a (Unix) shell script to format JSON in human-readable form?
55 Answers
55
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Remote debugging Tomcat with Eclipse
I can't seem to debug the tomcat application through Eclipse. I've set
16 Answers
16...
Regex for password must contain at least eight characters, at least one number and both lower and up
I want a regular expression to check that:
31 Answers
31
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Avoiding instanceof in Java
Having a chain of "instanceof" operations is considered a "code smell". The standard answer is "use polymorphism". How would I do it in this case?
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Select values from XML field in SQL Server 2008
Just looking at my XML field, my rows look like this:
9 Answers
9
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How do you switch pages in Xamarin.Forms?
How do you switch between pages in Xamarin Forms?
13 Answers
13
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Share variables between files in Node.js?
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Global variables are almost never a good thing (maybe an exception or two out there...). In this case, it looks like you really just want to export your "name" variable. E.g.,
// module.js
var name = "foobar";
// export it
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