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Favourite performance tuning tricks [closed]

... bit are you refering? – AJ. Oct 9 '08 at 13:34 2 This is some cool stuff, but I wish you'd have ...
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calculating the difference in months between two dates

...how exactly you want it to work. For example, should dates like July 5, 2009 and August 4, 2009 yield one month or zero months difference? If you say it should yield one, then what about July 31, 2009 and August 1, 2009? Is that a month? Is it simply the difference of the Month values for the date...
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What is duck typing?

... 307 It is a term used in dynamic languages that do not have strong typing. The idea is that you do...
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Difference between volatile and synchronized in Java

...the following unsafe code: public void updateCounter() { if(counter==1000) { counter=0; } else { counter++; } } Now, with the updateCounter() method unsynchronized, two threads may enter it at the same time. Among the many permutations of what could happen, one is that t...
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What is the difference between varchar and nvarchar?

... answered Sep 29 '08 at 2:16 Jeffrey L WhitledgeJeffrey L Whitledge 51.2k99 gold badges6363 silver badges9595 bronze badges ...
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Listing and deleting Git commits that are under no branch (dangling?)

... | edited Sep 22 '10 at 1:13 answered Sep 22 '10 at 0:57 ...
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Docker and securing passwords

... Ben WhaleyBen Whaley 24.1k22 gold badges7070 silver badges7575 bronze badges ...
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NSString property: copy or retain?

... 10 Answers 10 Active ...
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How do I iterate over the words of a string?

... 1390 For what it's worth, here's another way to extract tokens from an input string, relying only on ...
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What is a “batch”, and why is GO used?

... 107 GO is not properly a TSQL command. Instead it's a command to the specific client program which ...