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Why doesn't 'ref' and 'out' support polymorphism?
...do ref and out parameters not allow type variation?
See the blog page for more commentary on this issue. Thanks for the great question.
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Let's suppose you have classes Animal, Mammal, Reptile, Giraffe, Turtle and Tiger, with the obvious subclassing relationships.
Now suppose you ha...
Why do Lua arrays(tables) start at 1 instead of 0?
... Length and from 0 to length -1, but in a for loop the < length is much more handy and easier to read on the "weirdo 0-based languages". I confess when I see a loop iterating from 1, i immediately assume it starts from the 2nd element :S
– Felype
May 11 '15 ...
Creating the Singleton design pattern in PHP5
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How to repeat a “block” in a django template
...% block %} twice in the same django template. I want this block to appear more than once in my base template:
14 Answers
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Connection pooling options with JDBC: DBCP vs C3P0
...st application and struggled to reach levels of performance which C3P0 was more than capable of handling without any exceptions.
C3P0 also robustly handled DB disconnects and transparent reconnects on resume whereas DBCP never recovered connections if the link was taken out from beneath it. Worse ...
How to read all files in a folder from Java?
...ormation to find the files, you may find the path given by getPath() to be more useful.
– Tim Parenti
Sep 23 '13 at 9:35
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What is the best way to check for Internet connectivity using .NET?
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...In all, EPPlus seems to be the best choice as time goes on. It seems to be more actively updated and documented as well.
Also, as noted by @АртёмЦарионов below, EPPlus has support for Pivot Tables and ExcelLibrary may have some support (Pivot table issue in ExcelLibrary)
Here are a co...
jQuery same click event for multiple elements
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To help developers remember this, even if a bit more extended using more psuedo classes it is the same format as applying a css selector when defining styles
– Brett Weber
May 22 '13 at 19:44
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Embedding JavaScript engine into .NET [closed]
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