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performSelector may cause a leak because its selector is unknown
...ts this information from the header of the object type you're working with.3
There are really only 4 things that ARC would consider for the return value:4
Ignore non-object types (void, int, etc)
Retain object value, then release when it is no longer used (standard assumption)
Release new object ...
What's the best practice for putting multiple projects in a git repository? [closed]
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3 Answers
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Getting the parent of a directory in Bash
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dir=/home/smith/Desktop/Test
parentdir="$(dirname "$dir")"
Works if there is a trailing slas...
Algorithm to calculate the number of divisors of a given number
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edited Jun 13 '12 at 11:16
oers
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System.Security.SecurityException when writing to Event Log
I’m working on trying to port an ASP.NET app from Server 2003 (and IIS6) to Server 2008 (IIS7).
22 Answers
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How do I log a Python error with debug information?
... division or modulo by zero
@Paulo Cheque notes, "be aware that in Python 3 you must call the logging.exception method just inside the except part. If you call this method in an arbitrary place you may get a bizarre exception. The docs alert about that."
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When is assembly faster than C?
...out floating point, they shine when it comes to precision as they give you 32 bits of precision with a predictable error (float only has 23 bit and it's harder to predict precision loss). i.e. uniform absolute precision over the entire range, instead of close-to-uniform relative precision (float).
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How do I use Assert to verify that an exception has been thrown?
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Kevin PullinKevin Pullin
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SQL Update with row_number()
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answered Nov 30 '12 at 21:48
Aleksandr FedorenkoAleksandr Fedorenko
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...ilesystem should contain plenty information for your quest. My system (2.6.32-40-generic #87-Ubuntu) suggests:
/sys/class/tty
Which gives you descriptions of all TTY devices known to the system. A trimmed down example:
# ll /sys/class/tty/ttyUSB*
lrwxrwxrwx 1 root root 0 2012-03-28 20:43 /sys/cl...