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Understanding slice notation
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Python is kind to the programmer if there are fewer items than you ask for. For example, if you ask for a[:-2] and a only contains one element, you get an empty list instead of an error. Sometimes you would prefer the error, so you have to be aware that this may happen.
Relation to slice() obje...
Objective-C declared @property attributes (nonatomic, copy, strong, weak)
...must use each attribute: nonatomic , copy , strong , weak , and so on, for a declared property, and explain what each does? Some sort of example would be great also. I am using ARC.
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What is a proper naming convention for MySQL FKs?
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In MySQL, there is no need to give a symbolic name to foreign key constraints. If a name is not given, InnoDB creates a unique name automatically.
In any case, this is the convention that I use:
fk_[referencing table name]_[referenced table name]_[referencing field name]
Exa...
django admin - add custom form fields that are not part of the model
...ite. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
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How to initialize a private static const map in C++?
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+1 for simplicity, of course using a Boost.Assign like design is pretty neat too :)
– Matthieu M.
Apr 14 '10 at 11:33
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How do I abort the execution of a Python script? [duplicate]
..._exit() is the normal way to end a child process created with a call to os.fork(), so it does have a use in certain circumstances.
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How to log a method's execution time exactly in milliseconds?
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@Tony you forgot the @, NSLog(@"executionTime = %f", executionTime);
– John Riselvato
Apr 18 '13 at 18:30
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Converting any string into camel case
...ch, index) {
if (+match === 0) return ""; // or if (/\s+/.test(match)) for white spaces
return index === 0 ? match.toLowerCase() : match.toUpperCase();
});
}
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Regex to validate password strength
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For anyone who wants a length of at least n, replace .{8} with .{n,}
– NullUserException
Oct 15 '12 at 16:33
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How to update PATH variable permanently from Windows command line?
...ment. Do this by editing the values in HKEY_CURRENT_USER\Environment. As before, make sure that you broadcast a WM_SETTINGCHANGE message.
You should be able to do this from your Java application easily enough using the JNI registry classes.
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