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How do I pass a variable by reference?

...le type Let's try to modify the list that was passed to a method: def try_to_change_list_contents(the_list): print('got', the_list) the_list.append('four') print('changed to', the_list) outer_list = ['one', 'two', 'three'] print('before, outer_list =', outer_list) try_to_change_list_...
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Iterating Over Dictionary Key Values Corresponding to List in Python

...ict (league) itself, or league.keys(): for team in league.keys(): runs_scored, runs_allowed = map(float, league[team]) You can also iterate over both the keys and the values at once by iterating over league.items(): for team, runs in league.items(): runs_scored, runs_allowed = map(float,...
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Best branching strategy when doing continuous integration?

...in determining your branching strategy. Your branching approach should be selected based on your team, the system under development and the tools available to you. Having said that ... there's no reason why CI couldn't be used in both of the approaches you describe those approaches work quite we...
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How to initialize an array in one step using Ruby?

...rray = [ '1', '2', '3' ] You can also use a range: array = ('1'..'3').to_a # parentheses are required # or array = *('1'..'3') # parentheses not required, but included for clarity For arrays of whitespace-delimited strings, you can use Percent String syntax: array = %w[ 1 2 3 ] You can...
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How do I list all cron jobs for all users?

Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...
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Why does one use dependency injection?

...e virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes using an XML serializer). ...
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Best way to generate random file names in Python

...me basename = "mylogfile" suffix = datetime.datetime.now().strftime("%y%m%d_%H%M%S") filename = "_".join([basename, suffix]) # e.g. 'mylogfile_120508_171442' share | improve this answer | ...
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What is the convention for word separator in Java package names?

... Packages The prefix of a unique package name is always written in all-lowercase ASCII letters and should be one of the top-level domain names, currently com, edu, gov, mil, net, org, or one of the English two-letter codes identifying countries as specified in ISO Standard 3166, 1981. S...
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What's the best way to iterate over two or more containers simultaneously

...wrote this wrapper around boost range: a function with one line of code is all I need. However, I would be interested if the performance of boost ranges is optimal as well. – SebastianK Nov 6 '14 at 15:45 ...
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Heroku NodeJS http to https ssl forced redirect

...irect within cloudflare easily like this: Login and go to your dashboard Select Page Rules Add your domain, e.g. www.example.com and switch always use https to on