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MD5 algorithm in Objective-C

...ons.h" #import <CommonCrypto/CommonDigest.h> // Need to import for CC_MD5 access @implementation NSString (MyAdditions) - (NSString *)md5 { const char *cStr = [self UTF8String]; unsigned char result[CC_MD5_DIGEST_LENGTH]; CC_MD5( cStr, (int)strlen(cStr), result ); // This is the m...
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A non well formed numeric value encountered

...atetime description into a Unix timestamp (integer): date("d", strtotime($_GET['start_date'])); share | improve this answer | follow | ...
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Multiple linear regression in Python

... sklearn.linear_model.LinearRegression will do it: from sklearn import linear_model clf = linear_model.LinearRegression() clf.fit([[getattr(t, 'x%d' % i) for i in range(1, 8)] for t in texts], [t.y for t in texts]) Then clf.coef_...
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Changing the default header comment license in Xcode

... macresearch.org/custom_xcode_templates Here I found information on how to create new File Templates. (Though it was a bit self-explanatory) – Erik Rothoff Mar 4 '10 at 18:59 ...
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How to find out if an installed Eclipse is 32 or 64 bit version?

...e the line with text: plugins/org.eclipse.equinox.launcher.win32.win32.x86_64_1.0.200.v20090519 then it is 64 bit. If it would be plugins/org.eclipse.equinox.launcher.win32.win32.x86_32_1.0.200.v20090519 then it is 32 bit. ...
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Duplicate symbols for architecture x86_64 under Xcode

... 75 duplicate symbols for architecture x86_64 Means that you have loaded same functions twice. As the issue disappear after removing -ObjC from Other Linker Flags, this means that this option result that functions loads twice: from Technical Q&A This fl...
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c#: getter/setter

...ate the equivalent of the following simple implementation: private string _type; public string Type { get { return _type; } set { _type = value; } } share | improve this answer |...
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Determine function name from within that function (without using traceback)

...t want to play with the stack yourself, you should either use "bar" or bar.__name__ depending on context. The given rejection notice is: This PEP is rejected. It is not clear how it should be implemented or what the precise semantics should be in edge cases, and there aren't enough important us...
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How to execute a Python script from the Django shell?

...es, it's a good idea to set it up as a custom command ie $ ./manage.py my_command to do this create a file in a subdir of management and commands of your app, ie my_app/ __init__.py models.py management/ __init__.py commands/ __init__.py my_co...
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Unix's 'ls' sort by name

...in some cases (for instance, %foo will sort between bar and quux in LANG=en_US). If you want an ASCIIbetical sort, use LANG=C ls share | improve this answer | follow ...