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Sending command line arguments to npm script

... a parsing library like yargs or minimist; nodejs exposes process.argv globally, containing command line parameter values, but this is a low-level API (whitespace-separated array of strings, as provided by the operating system to the node executable). Edit 2013.10.03: It's not currently possible...
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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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How can I create tests in Android Studio?

...ow testing works. If you follow along for the next 10 minutes, you will be all set up to start adding your tests to your own app. I think you'll be surprised how easy it is. I certainly was. Intro to Android Testing There are two different types of tests that you will do. Local unit tests. These ar...
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Linux command to print directory structure in the form of a tree

... /proc |-- fd | `-- 3 -> /proc/15589/fd |-- fdinfo |-- net | |-- dev_snmp6 | |-- netfilter | |-- rpc | | |-- auth.rpcsec.context | | |-- auth.rpcsec.init | | |-- auth.unix.gid | | |-- auth.unix.ip | | |-- nfs4.idtoname | | |-- nfs4.nametoid | | |-- nfsd.export ...
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How to Unit test with different settings in Django?

... EDIT: This answer applies if you want to change settings for a small number of specific tests. Since Django 1.4, there are ways to override settings during tests: https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings TestCase will have a self.settings context ma...
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Get Slightly Lighter and Darker Color from UIColor

...so, from @Riley's idea, it may be a better idea to make the color proprtionally darker or lighter instead of adding or subtracting constant values. As @jrturton pointed out, it's not necessary to manipulate the RGB components; it's better to modify the brightness property itself. All in all: @imple...
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How do you use variables in a simple PostgreSQL script?

... This doesn't answer the question at all. In MS SQL you can define a var in a query and use it right there, in the same tool. I don't get why people keep proposing this as an answer, in every version of this question. – stone ...
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Correct way to use get_or_create?

...f the fields have to be included in defaults. In case CREATE event occurs, all the fields are taken into consideration. It looks like you need to be returning into a tuple, instead of a single variable, do like this: customer.source,created = Source.objects.get_or_create(name="Website") ...
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Location of my.cnf file on macOS

... This thread on the MySQL forum says: By default, the OS X installation does not use a my.cnf, and MySQL just uses the default values. To set up your own my.cnf, you could just create a file straight in /etc. OS X provides example configuration files at /usr/local/mysql/support-files/...
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Declaring an enum within a class

...uct Color { enum Type { Red, Green, Black }; Type t_; Color(Type t) : t_(t) {} operator Type () const {return t_;} private: //prevent automatic conversion for any other built-in types such as bool, int, etc template<typename T> operator T () const; }; ...