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zingo's Recent SnippetsTagged osx
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Cocoa provides NSTask to run subprocesses. It can be used to run shell scripts, but all this manual pipe and file handling is a bit cumbersome. Fortunately, for a simple script, we can use the trusty old system and redirect its result to a file.
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posted 13 years ago by zingo
Do you need you app to do something when it is first run on a certain computer? Do you need to know if it has been run before? Enter the following code into your Application Delegate.
This code creates a BOOL that is created when the app is run. T...
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posted 13 years ago by zingo
Get a list of providers for DTrace that OSX supports. (DTrace is a probe/profiling tool created by Sun that came with Mac OS X starting with Leopard.)
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posted 13 years ago by zingo
Drawing scaled rectangles of arbitrary width and height that keeps the corner and sides properly scaled while growing the center.
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posted 14 years ago by zingo
List of breakpoints for debuging with gdb. Add them to your ~/.gdbinit.
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posted 14 years ago by zingo
Remove all the keys of the application’s preferences file from ~/Library/Preferences with Cocoa’s NSUserDefaults class.
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posted 16 years ago by zingo
Place this in your ~/.bash_profile then type tab in your terminal window to see some magic happen.
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posted 16 years ago by zingo
Using a gcc predefined macro, __DATE__, the code can know for itself when it was compiled, and build in an expiration date based on that value.
The former code (http://snipplr.com/view/3448/kill-app-after-expire-date/) was not internationalised an...
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posted 16 years ago by zingo
recover to normal speed with
/sbin/ipfw delete 100
/sbin/ipfw delete 200
... or reboot
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posted 16 years ago by zingo
A database table is basically an array of dictionary objects. As long
as all the fields are valid property list types, you can loop through
the array creating a managed object for each dictionary and setting
the values. If you have an array con...
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posted 17 years ago by zingo
Prints content from an NSError or NSArray content from a managedObjectContext.
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posted 17 years ago by zingo
List the current version and installation date of every application on a OS X system, using of Spotlight.
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posted 17 years ago by zingo
Using a gcc predefined macro, __DATE__, the code can know for itself when it was compiled, and build in an expiration date based on that value.
For a internationalised version see: http://snipplr.com/view/7196/kill-app-after-expire-date-suicidal-c...
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posted 17 years ago by zingo