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Storing money in a decimal column - what precision and scale?
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Never say never: sometimes money amounts are pro rata'd and need to add up again later. Example: dividing total dividend (relatively small) dibided by number of shares in issue (relatively small) to give net per share. Sometimes float rounds bett...
What is the difference between PS1 and PROMPT_COMMAND
...AND expression. It includes PS1 so that this variable is re-evaluated each time the PROMPT_COMMAND variable is evaluated.
PROMPT_COMMAND='RET=$?;\
BRANCH="";\
ERRMSG="";\
if [[ $RET != 0 ]]; then\
ERRMSG=" $RET";\
fi;\
if git branch &>/dev/null; then\
BRANCH=$(git branch 2&...
How to execute a file within the python interpreter?
I'm trying to execute a file with python commands from within the interpreter.
11 Answers
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How can I read a whole file into a string variable
I have lots of small files, I don't want to read them line by line.
5 Answers
5
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Hashing a dictionary?
...terpreter. To me, it looks like some sort of seed value is generated every time the interpreter is started.
– Hermann Schachner
May 28 '15 at 11:03
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Python __call__ special method practical example
I know that __call__ method in a class is triggered when the instance of a class is called. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can c...
Does uninstalling a package with “pip” also remove the dependent packages?
When you use pip to install a package, all the required packages will also be installed with it (dependencies). Does uninstalling that package also remove the dependent packages?
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Accessing bash command line args $@ vs $*
In many SO questions and bash tutorials I see that I can access command line args in bash scripts in two ways:
5 Answers
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Best way to create a simple python web service [closed]
I've been using python for years, but I have little experience with python web programming. I'd like to create a very simple web service that exposes some functionality from an existing python script for use within my company. It will likely return the results in csv. What's the quickest way to get ...
Python's equivalent of && (logical-and) in an if-statement
Here's my code:
10 Answers
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