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How can I determine if a String is non-null and not only whitespace in Groovy?
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edited Nov 23 '14 at 23:51
Jared Burrows
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How to define @Value as optional
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What is the correct way to specify that @Value is not required?
Working on the assumption...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
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edited Jul 9 '12 at 13:05
Noctis Skytower
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Is there a way to check if a file is in use?
I'm writing a program in C# that needs to repeatedly access 1 image file. Most of the time it works, but if my computer's running fast, it will try to access the file before it's been saved back to the filesystem and throw an error: "File in use by another process" .
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Java: Multiple class declarations in one file
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My suggested name for this technique (including multiple top-level classes in a single source ...
Why are you not able to declare a class as static in Java?
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14 Answers
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Logger slf4j advantages of formatting with {} instead of string concatenation
...lly significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2 or fewer parameters, so SLF4J API up to version 1.6 covers (only) the majority of use cases. The API designers have provided ...
The quest for the Excel custom function tooltip
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The code is wrapped as an Excel-DNA add-in, and works on my Excel 2013 / Windows 8 machine. I've tested on one other configuration (64-bit Excel 2010 on Windows Server 2008) and had a serious problems.
For a C# function defined with the Excel-DNA attributes like this:
[ExcelFunction(Descrip...