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What is the strict aliasing rule?
... the strict aliasing rule buys the compiler. Basically, with this rule, it doesn't have to think about inserting instructions to refresh the contents of buff every run of the loop. Instead, when optimizing, with some annoyingly unenforced assumptions about aliasing, it can omit those instructions, l...
PHP Sort Array By SubArray Value
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That doesn't really helpe me as usort requires I provide it a function to use - which is the difficult bit I can't get my head round
– Sjwdavies
Mar 19 '10 at 13:15
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How to sort List of objects by some property
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@Override
public int compare(ActiveAlarm x, ActiveAlarm y) {
// TODO: Handle null x or y values
int startComparison = compare(x.timeStarted, y.timeStarted);
return startComparison != 0 ? startComparison
: compare(x.timeEnded, y.timeEnded);
}
// I...
Is there an auto increment in sqlite?
... table where deletes occur and where deletes or ROWID nulling are not also done in the related tables.
– Nick
Aug 15 '15 at 13:37
10
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On Duplicate Key Update same as insert
.... In a real life query there are differences. My question is quiet simple: Do I really need to specify all the fields (and values in my first example) if they are the same as in the insert? I just want to insert all or if there is a unique value match: update all.
– Roy
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Why .NET String is immutable? [duplicate]
...le. Interning and atomising being the most obvious examples, though we can do other versions of the same principle. I once produced a memory saving of about half a GB by comparing immutable objects and replacing references to duplicates so that they all pointed to the same instance (time-consuming, ...
Stopping python using ctrl+c
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On Windows, the only sure way is to use CtrlBreak. Stops every python script instantly!
(Note that on some keyboards, "Break" is labeled as "Pause".)
shar...
Mapping a function on the values of a map in Clojure
...h a function applied to the values. I would think there was a function for doing this in the clojure api, but I have been unable to find it.
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My Git repository is in the wrong root directory. Can I move it? (../ instead of ./)
...tory you want to save, would be to just delete the .git subdirectory and redo the init in the correct directory.
If you used git to solve the problem, any solution would necessarily leave behind a lot of "moved this file here" history entries that aren't actually changes, but you fixing a screwup a...
Can you resolve an angularjs promise before you return it?
...available immediately. I want to wrap it in a promise so that the consumer doesn't need to make a decision.
5 Answers
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