baob

ln -s  /usr/local/git/contrib/completion/git-completion.bash /usr/local/etc/bash_completion.d/git

(unless of course /usr/local/etc/bash_completion.d/git already exists, in which case you shouldn't be reading this)

WebReflection

Function.prototype.notifier = (function () {"use strict";
    // (C) WebReflection - Mit Style License
    function create(callback) {
        function notifier() {
            var args = [].slice.call(arguments), output;
            if (fire(notifier, "before", callback, this, args, null)) {
                try {
                    output = callback.apply(this, args);
                } catch(e) {
                    fire(notifier, "error", callback, this, args, e);

patrys

class AbstractMixin(object):
    _classcache = {}

    @classmethod
    def contribute(cls):
        return {}

    @classmethod
    def construct(cls, *args, **kwargs):
        attrs = cls.contribute(*args, **kwargs)