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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...loating point operations, or even the -ffast-math option which allows even more aggressive tradeoffs of accuracy against speed.
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Xml configuration versus Annotation based configuration [closed]
...ing to persisted in one way, then inlined meta-data (i.e. annotations) are more compact and readable.
If, however, your object model was reused in different applications in such a way that each application wanted to persist the model in different ways, then externalising the meta-data (i.e. XML des...
UIActionSheet cancel button strange behaviour
...e answer:
01-Dec-2008 10:22 PM Tom Saxton:
I looked at this bug some more, and it seems to be an issue with the tabbar.
If you call UIActionSheet's [sheet showInView:self.view] from a view controller that is a child of a UITabViewController, then the hit testing on the cancel button fails...
Updating packages in Emacs
...ckage list.
ELPA is the original. I don't think it's really maintained anymore, but I'm not sure. I don't use it.
GNU is "official". It's maintained along with Emacs, which means things should always work but updates and new packages don't come very often.
Marmalade is basically a website where...
How can I add a help method to a shell script?
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Git pull results in extraneous “Merge branch” messages in commit log
...that was already pushed.
The commits you see are there to combine two (or more) branches. It is perfectly fine to have a commit that does nothing else then merging multiple branches. In fact it makes it very clear when you have a merge commit that combines branches when looking at the history. In c...
What's the point of NSAssert, actually?
...obust enough to carry on in an expected manner after their occurrence. The more practical approach is to crash the app and fix the bug found from the crash report and release a new version. Having said that, it is important to make sure that there is no data loss in any such situation. This has to b...
Like Operator in Entity Framework?
...SqlFunctions.PatIndex method. The linked forum thread was to provide a bit more "background" info.
– Yann Duran
May 17 '14 at 0:20
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Putting an if-elif-else statement on one line?
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If you need it to be more readable, you could put brackets around it, like this: a = 1 if i < 100 else (2 if i > 100 else 0) (Untested, but I think it should work)
– Zac
Sep 27 '16 at 16:48
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How to vertically center a div for all browsers?
...ontent on the page before it will push the whole block down. This makes it more independent of other page content.
– Billbad
Apr 3 '12 at 17:00
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