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The difference between the Runnable and Callable interfaces in Java
...le : If you are trying to retrieve a value from a task, then use Callable. Now callable on its own will not do the job. You will need a Future that you wrap around your Callable and get your values on future.get (). Here the calling thread will be blocked till the Future comes back with results whic...
Semaphore vs. Monitors - what's the difference?
... and bike rental place. I will never forget the difference between the two now.
– Drupad Panchal
Sep 7 '11 at 15:40
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
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I know this is an old question, but still unanswered. It took me a day of research, but I found the simplest solution, at least in my case (Oracle 11.2 on Windows 2008 R2) and wanted to share.
The error, if looked at directly,...
Most common C# bitwise operations on enums
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In .NET 4 you can now write:
flags.HasFlag(FlagsEnum.Bit4)
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Counting occurrences in Vim without marking the buffer changed
In order to know how many times a pattern exists in current buffer, I do:
6 Answers
6
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String replacement in Objective-C
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it doesn't change. str now contains a whole new string. stringByReplacingOccurencesOfString does NOT mutate the string. It simply return a new string.
– Septiadi Agus
Jun 28 '13 at 8:56
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CSS text-overflow in a table cell?
...x-width: 100px;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
For responsive layouts; use the max-width CSS property to specify the effective minimum width of the column, or just use max-width: 0; for unlimited flexibility. Also, the containing table will need a specific widt...
How to turn off the Eclipse code formatter for certain sections of Java code?
...VA. It's a pain, but it's allowed us to auto-format on save our Java code now. Thanks for the suggestion!
– jnt30
Jul 19 '10 at 12:14
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What should my Objective-C singleton look like? [closed]
...ichever one loses releases the instance it just allocated and returns the (now set) sharedInstance. The single OSAtomicCompareAndSwapPtrBarrier acts as both a write barrier for the setting thread and a read barrier from the testing thread.
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How to get Linux console window width in Python
...implementation is in the os module. Also works in Windows.
A backport is now available for Python 3.2 and below:
https://pypi.python.org/pypi/backports.shutil_get_terminal_size
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