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Avoiding instanceof in Java
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As with all cases where you are forced to write smelly code, keep it buttoned up in one method (or at most one class) so that the smell doesn't leak out.
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Showing line numbers in IPython/Jupyter Notebooks
...wer was not accepted (maybe posted too late?), because this is the correct one if you don't use CodeMirror but just IPython Notebook. EDIT: in fact IPython Notebook uses CodeMirror. So both answers are correct. Learned something new today, thanks!
– gaborous
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What is the difference in maven between dependency and plugin tags in pom xml?
... JUnit is tagged under dependency. My question is what is the logic behind one as a plugin and one as dependency ?
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Xcode: Build Failed, but no error messages
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If you changed the Build System to the new one, change back to the Standard. It solved for me.
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PHP + MySQL transactions examples
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$db->beginTransaction();
// A set of queries; if one fails, an exception should be thrown
$db->query('first query');
$db->query('second query');
$db->query('third query');
// If we arrive here, it means that no exception was thrown
// i.e. ...
Conditionally use 32/64 bit reference when building in Visual Studio
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Here is what I've done in a previous project, which will require the manual edition of the .csproj file(s). You also need separate directories for the different binaries, ideally siblings of each other, and with the same name as the platform yo...
How to use a servlet filter in Java to change an incoming servlet request url?
..., you can find here and here good JSP/Servlet tutorials, specifically this one about filters.
– BalusC
Apr 27 '10 at 21:26
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How can I implode an array while skipping empty array items?
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+1, but it has to be mentioned, that array_filter() by default filters off every false, null, empty string ('') and 0.
– Tadeck
May 12 '11 at 22:55
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Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]
...n the ppms and choose install).
But maybe that's solved by now. And maybe one can choose the directory where Strawberry Perl gets installed (I couldn't).
BTW: for compiling your own Inline or XS stuff, just install the MinGW compiler by ppm (I didn't do that, but it looks interesting).
Addendum: ...
In what areas might the use of F# be more appropriate than C#? [closed]
Over the last few years F# has evolved into one of Microsoft's fully supported languages employing many ideas incubated in OCaml, ML and Haskell.
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