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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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How to read a CSV file into a .NET Datatable
...of column headers specified in the first line. What you have appears to be more generic comma-delimited, discriminated data, requiring more sophisticated "ETL" to parse from the file into object instances of varying types (which could include DataRows of different DataTables).
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What is the difference between HTTP and REST?
...t. rest is a type of architecture, not a way to send messages via web. for more information: en.wikipedia.org/wiki/Representational_state_transfer
– Yuval Perelman
Jan 18 '16 at 16:06
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What are the rules for evaluation order in Java?
...e different. Coming up with an actual rule that covers all cases is rather more difficult. The designers of C# and Java chose a simple, easy-to-explain rule: "go left-to-right". What is your proposed replacement for it, and why do you believe your rule is better?
– Eric Lippert...
How to delete a remote tag?
...an 'empty' reference to the remote tag name:
git push origin :tagname
Or, more expressively, use the --delete option (or -d if your git version is older than 1.8.0):
git push --delete origin tagname
Note that git has tag namespace and branch namespace so you may use the same name for a branch and ...
How can I add a help method to a shell script?
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Advantage of switch over if-else statement
...d the difficulty of generating switch case chains, that mapping may become more important. (and yes, ancient comment, but the web is forever, or at least until next tuesday)
– Yakk - Adam Nevraumont
Apr 25 '13 at 15:32
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Difference between Statement and PreparedStatement
The Prepared Statement is a slightly more powerful version of a Statement, and should always be at least as quick and easy to handle as a Statement.
The Prepared Statement may be parametrized
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Length of generator output [duplicate]
...able might be infinite and hence "you can't do it in the general case" any more than you can do len in the general case. Perhaps a more likely rationale is that people "expect" len to be O(1), which it isn't for a general iterable?
– Steve Jessop
Aug 18 '10 at ...
What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?
It appears that side-swipe menus are becoming a more common interface element as more information gets crammed into each iPhone app. Facebook has included it in their latest version and the new Gmail app appears to include it as well . I was wondering if anybody had thoughts on the most efficient...