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select * vs select column
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It's probably a bad idea to use column order in general just for code readability's sake, doubly bad to use SELECT * with it.
– Lèse majesté
Jul 5 '10 at 15:31
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Using an RDBMS as event sourcing storage
...cation needed "CREATE" permissions (which generally speaking is not a good idea... generally, there's always exceptions/exclusions) or each time a new entity/object came into existence or was deployed, new storage containers/tables/collections needed to be made. We found this was painfully slow for ...
Postgres and Indexes on Foreign Keys and Primary Keys
...he referencing table for
rows matching the old value, it is often a good idea to index the
referencing columns. Because this is not always needed, and there are
many choices available on how to index, declaration of a foreign key
constraint does not automatically create an index on the refer...
With arrays, why is it the case that a[5] == 5[a]?
...may well have gotten it from even earlier languages (CPL? Algol?).
So the idea that array indexing is defined in terms of addition, and that addition, even of a pointer and an integer, is commutative, goes back many decades, to C's ancestor languages.
Those languages were much less strongly typed ...
What does JVM flag CMSClassUnloadingEnabled actually do?
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Not sure how this affects the idea of using UseConcatSweepGC, but it appears there was a bug recently fixed in CMSClassUnloadingEnabled. It is remarked as fixed here: bugs.sun.com/bugdatabase/view_bug.do?bug_id=8000325
– Bill Rosmus
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Simultaneously merge multiple data.frames in a list
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yes. whenever i have an idea, i always check if @hadley has already done it, and most of the times he has :-)
– Ramnath
Nov 11 '11 at 15:33
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Convert a String In C++ To Upper Case
... yes, i am going to install boost just for to_upper... excellent idea! </sarcasm> :)
– thang
May 31 '16 at 16:04
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How can I develop for iPhone using a Windows development machine?
... I am not familiar enough with PhoneGap to write a review but I like the idea: cross-platform Apps written with the wide-spread techniques HTML5+JavaScript.
– Ignitor
Oct 28 '12 at 13:53
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Entity Framework 4 vs NHibernate [closed]
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@DoctaJonez - The way I read it, Alex was contesting the idea that NH has nothing comparable to self-tracking entities, not the part about it being "out of the box".
– Jerph
Mar 30 '11 at 5:41
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Should functions return null or an empty object?
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Returning null is usually the best idea if you intend to indicate that no data is available.
An empty object implies data has been returned, whereas returning null clearly indicates that nothing has been returned.
Additionally, returning a null will result ...