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Benefits of prototypal inheritance over classical?
... to one other object. However it allows you to copy the properties of an arbitrary number of objects. For example _.extend does just this.
Of course many programmers don't consider this to be true inheritance because instanceof and isPrototypeOf say otherwise. However this can be easily remedied by...
Append value to empty vector in R?
...ook you to write this question (but would have caused you to develop bad habits). ;-)
Note that vector <- c() isn't an empty vector; it's NULL. If you want an empty character vector, use vector <- character().
Pre-allocate the vector before looping
If you absolutely must use a for loop, yo...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
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ChristianChristian
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Combining CSS Pseudo-elements, “:after” the “:last-child”
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This is a bit of a "nit-picker's corner", but "last-child" is actually a pseudo-class, while "before" and "after" are pseudo-elements. The difference is that a pseudo-class is an additional constraint on an existing element, while a ps...
Determine if the device is a smartphone or tablet? [duplicate]
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This answer is good but possibly a bit dated since values-xlarge is now being deprecated.Using /res/values and /res/values-sw600 as the folders to store these values in may be a better solution. sw600 means "smallest width 600". If the size of the smallest d...
What are the differences between -std=c++11 and -std=gnu++11?
...td alltogether
– Daniel82
Mar 24 at 10:52
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How to create fixed space and flexible space bar button items programmatically?
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answered Sep 7 '10 at 22:05
Jerry JonesJerry Jones
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How do you create a read-only user in PostgreSQL?
...u should assign default privileges to that owning role. IMHO this is all a bit confusing and you may need to experiment to come up with a functional workflow.
Multiple tables/views (PostgreSQL versions before 9.0)
To avoid errors in lengthy, multi-table changes, it is recommended to use the follow...
Keep file in a Git repo, but don't track changes
... bad idea. "Users often try to use the assume-unchanged and skip-worktree bits to tell Git to ignore changes to files that are tracked. This does not work as expected, since Git may still check working tree files against the index when performing certain operations. In general, Git does not provide...
Memcache(d) vs. Varnish for speeding up 3 tier web architecture
...ching to begin with. Remembering to invalidate all affected pages may be a bit of an issue). All the comments, however, are still in Memcache, so the database only has to write this comment. Nothing else needs to be done by the database to generate the page. All the comments are pulled by Memcache, ...