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python - What do *args and **kwargs mean? - Stack Overflow What exactly do *args and **kwargs mean? According to the Python documentation, from what it seems, it passes in a tuple of arguments def foo (hello, *args): print (hello) for each in args:
dockerfile - How do I set environment variables during the docker . . . When building a Docker image from the commandline, you can set ARG values using –build-arg: $ docker build --build-arg some_variable_name=a_value Running that command, with the above Dockerfile, will result in the following line being printed (among others): Oh dang look at that a_value So, how does this translate to using docker-compose yml
c++ - What does int argc, char *argv [] mean? - Stack Overflow The variables are named argc (argument count) and argv (argument vector) by convention, but they can be given any valid identifier: int main(int num_args, char** arg_strings) is equally valid
Default arguments with *args and **kwargs - Stack Overflow In Python 2 x (I use 2 7), which is the proper way to use default arguments with *args and **kwargs? I've found a question on SO related to this topic, but that is for Python 3: Calling a Python fu
python - Use of *args and **kwargs - Stack Overflow So I have difficulty with the concept of *args and **kwargs So far I have learned that: *args = list of arguments - as positional arguments **kwargs = dictionary - whose keys become separate keyw
How to pass arguments to a Dockerfile? - Stack Overflow I am using RUN instruction within a Dockerfile to install a rpm RUN yum -y install samplerpm-2 3 However, I want to pass the value "2 3" as an argument My RUN instruction should look something li
How to define build-args in docker-compose? - Stack Overflow This answer is very useful, it actually shows how docker-compose can be used with --build-arg on command-line, you can define your ARG in Dockerfile, docker-compose yml - the :args array defined and then finally override it on the command-line