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Query a parameter (postgresql.conf setting) like “max_connections”
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answered Nov 27 '11 at 20:42
Erwin BrandstetterErwin Brandstetter
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...u need the equivalent trick with the stringizing operator too.
Section 6.10.3 of the C99 standard covers 'macro replacement', and 6.10.3.1 covers 'argument substitution'.
After the arguments for the invocation of a function-like macro have been identified,
argument substitution takes place. A...
Stream vs Views vs Iterators
...very hard to support in a general manner, and they didn't make version 2.8.0.
Views are meant to be viewed much like a database view. It is a series of transformation which one applies to a collection to produce a "virtual" collection. As you said, all transformations are re-applied each time you n...
Android icon vs logo
...ue) in your activity.
Source: http://developer.android.com/sdk/android-3.0.html#api
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Comments in .gitignore?
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edited Jan 29 '16 at 1:50
Nicolas Raoul
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How do you discover model attributes in Rails?
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answered Aug 18 '09 at 1:48
pengerpenger
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ggplot: How to increase spacing between faceted plots?
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answered Sep 10 '10 at 7:20
rcsrcs
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How can I access an object property named as a variable in php?
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answered Aug 18 '10 at 19:28
Jordan RunningJordan Running
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@Basic(optional = false) vs @Column(nullable = false) in JPA
...ipseLink Architecture Committee Member, TopLink Core Technical Lead, JPA 2.0 Expert Group Member) wrote a good answer on this topic so instead of paraphrasing him, I'll quote his answer:
The difference between optional and
nullable is the scope at which they
are evaluated. The definition of
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Renaming table in rails
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edited Apr 5 '16 at 18:02
vergenzt
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