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Multi-line tooltips in Java?

... If you wrap the tooltip in <html> and </html> tags, you can break lines with <br> tags. See http://www.jguru.com/faq/view.jsp?EID=10653 for examples and discussion. Or you can use the JMultiLineToolTip class that can be found many places on th...
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What is the printf format specifier for bool?

...t something like "%d" which would cause problems. The fputs, on the other hand, is a better option. – paxdiablo Oct 15 '14 at 2:40 ...
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Round to 5 (or other number) in Python

... I don't know of a standard function in Python, but this works for me: Python 2 def myround(x, base=5): return int(base * round(float(x)/base)) Python3 def myround(x, base=5): return base * round(x/base) It is easy to see why the a...
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When is “Try” supposed to be used in C# method names?

... This is known as the TryParse pattern and has been documented by Microsoft. The official Exceptions and Performance MSDN page says: Consider the TryParse pattern for members that may throw exceptions in common scenarios to avoid performance problems related t...
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Receive result from DialogFragment

...tFragment(this, MY_REQUEST_CODE) from the place where you show the dialog, and then when your dialog is finished, from it you can call getTargetFragment().onActivityResult(getTargetRequestCode(), ...), and implement onActivityResult() in the containing fragment. It seems like an abuse of onActivity...
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How to specify jackson to only use fields - preferably globally

...ust what I needed! This configuration allowed me to use a Mixin to easily convert Hibernate entities to DTOs. By default the ObjectMapper serializes everything and a Mixin would have to specify which properties to ignore (i.e. a subtraction instead of an intersection). – Tast...
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:: (double colon) operator in Java 8

I was exploring the Java 8 source and found this particular part of code very surprising: 17 Answers ...
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log4j logging hierarchy order

... you will see how the log works in each level. i.e for WARN, (FATAL, ERROR and WARN) will be visible. For OFF, nothing will be visible. share | improve this answer | follow ...
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Combine two ActiveRecord::Relation objects

... Relation objects can be converted to arrays. This negates being able to use any ActiveRecord methods on them afterwards, but I didn't need to. I did this: name_relation = first_name_relation + last_name_relation Ruby 1.9, rails 3.2 ...
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How can I check if a string is null or empty in PowerShell?

... null strings passed to a commandlet or function don't stay null. They get converted to empty strings. See the Microsoft Connect bug at connect.microsoft.com/PowerShell/feedback/details/861093/…. – JamieSee Dec 11 '14 at 17:59 ...