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How to get execution time in rails console?
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timing = Benchmark.measure { Post.all }
The various attributes of the object returned (Benchmark::Tms) are provided here.
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HashSet vs. List performance
...her than of the generic List<T> class. Just compare the hash-based key with the linear approach in the List<T> class.
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Add padding on view programmatically
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JaveJave
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How can I do a line break (line continuation) in Python?
I have a long line of code that I want to break up among multiple lines. What do I use and what is the syntax?
10 Answers
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How can I update a single row in a ListView?
... notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is getting called too frequently, since notifyDataSetChanged() calls getView() for all visible items. I want to update just the single item in the list. How would I do this?
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Which types can be used for Java annotation members?
... answered Sep 22 '09 at 7:13
skaffmanskaffman
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What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]
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In the old days, "/opt" was used by UNIX vendors like AT&T, Sun, DEC and 3rd-party vendors to hold "Option" packages; i.e. packages that you might have paid extra money for. I don't recall seeing "/opt" on Berkeley BSD UNIX. They used "/usr/local" for stuff that you ins...
Running a cron every 30 seconds
Ok so I have a cron that I need to run every 30 seconds.
19 Answers
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What are the benefits of functional programming? [closed]
What do you think the benefits of functional programming are? And how do they apply to programmers today?
9 Answers
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How do I include a file over 2 directories back?
How do you include a file that is more than 2 directories back. I know you can use ../index.php to include a file that is 2 directories back, but how do you do it for 3 directories back?
Does this make sense?
I tried .../index.php but it isn't working.
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