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Programmatically retrieve memory usage on iPhone
...;
NSLog(@"Memory in use (in MiB): %f", ((CGFloat)info.resident_size / 1048576));
} else {
NSLog(@"Error with task_info(): %s", mach_error_string(kerr));
}
}
There is also a field in the structure info.virtual_size which will give you the number of bytes available virtual memory (or mem...
Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z]/X/g' -e 's/[0-9]/N/g'
# prints XXNNNNNXXXXNNNNNXXXNNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g fl...
SQLite add Primary Key
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answered Jun 3 '09 at 17:42
Nathan RidleyNathan Ridley
31.2k2828 gold badges113113 silver badges186186 bronze badges
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What Every Programmer Should Know About Memory?
...of Ulrich Drepper's What Every Programmer Should Know About Memory from 2007 is still valid. Also I could not find a newer version than 1.0 or an errata.
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PHP validation/regex for URL
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nhahtdh
51.7k1313 gold badges110110 silver badges146146 bronze badges
answered Oct 15 '08 at 19:30
OwenOwen
7...
HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)
... application based on .Net Framework 3.5 sp1 and hosted on windows server 2008(64bit).
7 Answers
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socket.shutdown vs socket.close
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40
Here's one explanation:
Once a socket is no longer required,
the calling program can disca...
Ukkonen's suffix tree algorithm in plain English
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2402
+600
The fol...
Consistency of hashCode() on a Java string
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102
I can see that documentation as far back as Java 1.2.
While it's true that in general you shou...
How to install latest version of Node using Brew
The latest version of NodeJs right now is 0.4.1
14 Answers
14
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