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What is resource-ref in web.xml used for?
...the object registered under the name of jdbc/PrimaryDBInTheContainer.
The idea is that specifying resources in the web.xml has the advantage of separating the developer role from the deployer role. In other words, as a developer, you don't have to know what your required resources are actually call...
Programmatically retrieve memory usage on iPhone
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Any idea why the value logged here is around twice bigger on a simulator than Xcode reports and three times on a real device?
– Julian Król
Oct 6 '15 at 7:57
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Avoid browser popup blockers
...w site/landing page after authentication to open in a new tab. Yes, not my idea of excellent user experience... but it seems reasonable
– Don Cheadle
Oct 23 '15 at 20:23
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Django filter versus get for single object?
... and that case should be handled too (in this case len(objs) is a terrible idea)? 3. Don't assume anything about overhead without a benchmark (I think that in this case try/except will be faster as long as at least half of the calls return something)
– imposeren
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How does one write code that best utilizes the CPU cache to improve performance?
... two principles: Temporal locality and spatial locality.
The former is the idea that if you recently used a certain chunk of data, you'll probably need it again soon. The latter means that if you recently used the data at address X, you'll probably soon need address X+1.
The cache tries to accomoda...
JSON datetime between Python and JavaScript
...you would rather have an exception raised on the unknowns (which is a good idea) use the function I've added above.
– JT.
Jul 17 '10 at 0:06
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LaTeX table positioning
...ase you need more proof that running \restylefloat routinely is not a good idea, do see the posting Caption and label of a table, of two tables kept side by side, is assigned to another table.
– Mico
yesterday
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How to debug PDO database queries?
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Great explanation - thanks. Apparently I had only fuzzy ideas of how this works. I suppose when the statement is prepared, the resulting object contains a hash or numerical ID that can be sent back to the database with the parameters to plug in.
– Nathan Long...
How to hide first section header in UITableView (grouped style)
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@Chris: I'm afraid you didn't get the idea. I don't return a very small value but a multiple of the size of a pixel so that drawing remains pixel aligned (for good performance and crispness). I then offset it using the content inset. This is unlikely to change in...
Calling class staticmethod within the class body?
... object had some sort of attribute storing the original function, I had no idea of the specifics. In the spirit of teaching someone to fish rather than giving them a fish, this is what I did to investigate and find that out (a C&P from my Python session):
>>> class Foo(object):
... ...