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Storing money in a decimal column - what precision and scale?
... a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decimal only came in 'version 1.0' style (i.e. not fully implemented) in VB6/VBA6/Jet 4.0.
The rule of thumb for stora...
How to access the last value in a vector?
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Doesn't work if you want to add stuff from vectors though tail(vector, n=1)-tail(vector, n=2)
– Andreas Storvik Strauman
Mar 19 '18 at 17:47
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What is the difference between PS1 and PROMPT_COMMAND
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From the GNU Bash doc page: http://www.gnu.org/software/bash/manual/bashref.html
PROMPT_COMMAND
If set, the value is interpreted as a command to execute before
the printing of each primary prompt ($PS1).
I never u...
How do I get the key at a specific index from a Dictionary in Swift?
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From https://developer.apple.com/library/prerelease/ios/documentation/swift/conceptual/swift_programming_language/CollectionTypes.html:
If you need to use a dictionary’s keys or values with an API that takes an Array insta...
php: determine where function was called from
is there a way to find out, where a function in PHP was called from?
example:
8 Answers
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How can I create directories recursively? [duplicate]
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a fresh answer to a very old question:
starting from python 3.2 you can do this:
import os
path = '/home/dail/first/second/third'
os.makedirs(path, exist_ok=True)
thanks to the exist_ok flag this will not even complain if the directory exists (depending on your needs......
What are namespaces?
... with the name: Controller.php which is in the path:
app/Http/Controllers from the project’s root directory
There is also another controller class named: Controller.php, but this one is in the path:
vendor/laravel/framework/src/Illuminate/Routing from the project’s root directory
You don’t ...
Count the number of commits on a Git branch
... of commits on branch in git
but that assumes that the branch was created from master.
12 Answers
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How to test code dependent on environment variables using JUnit?
...en gets the environment variable using the Environment class, not directly from System.getenv().
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How should the ViewModel close the form?
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From my perspective the question is pretty good as the same approach would be used not only for the "Login" window, but for any kind of window. I've reviewed a lot of suggestions and none are OK for me. Please review my sugge...