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How can I return two values from a function in Python?
... you can return a tuple or a list and unpack it after the call:
def select_choice():
...
return i, card # or [i, card]
my_i, my_card = select_choice()
On line return i, card i, card means creating a tuple. You can also use parenthesis like return (i, card), but tuples are created by com...
How to convert array values to lowercase in PHP?
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use array_map():
$yourArray = array_map('strtolower', $yourArray);
In case you need to lowercase nested array (by Yahya Uddin):
$yourArray = array_map('nestedLowercase', $yourArray);
function nestedLowercase($value) {
if (is_...
What does the filter parameter to createScaledBitmap do?
...r painting which affects the sampling of bitmaps when they are transformed based on the value that you provide.
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Find the PID of a process that uses a port on Windows
... or, nestat -aon | findstr 123456
– ROMANIA_engineer
Feb 9 '16 at 14:18
Easy way to achieve this on windows ...
Saving enum from select in Rails 4.1
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If you need to handle the i18n based on the enum keys you can use:
<%= f.select :color, Wine.colors.keys.map {|key| [t("wine.#{key}"), key]} %>
and in the tranlations you can set the colors:
wine:
red: Red
white: White
...
What does Provider in JAX-RS mean?
...number of predefined providers that will be responsible for implementing a base level of functionality (e.g for mapping to and from XML, translating the most common exceptions etc etc). You can also create your own providers as needed.
The JAX-RS specification is a good reference for reading up on ...
Convert datetime object to a String of date only in Python
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If you want the time as well, just go with
datetime.datetime.now().__str__()
Prints 2019-07-11 19:36:31.118766 in console for me
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How to delete duplicate lines in a file without sorting it in Unix?
... To save it in a file we can do this awk '!seen[$0]++' merge_all.txt > output.txt
– Akash Kandpal
Jul 19 '18 at 11:42
5
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Rails DB Migration - How To Drop a Table?
...iew here on whether it's better to drop tables or revert to a previous database schema?
– william tell
May 11 '12 at 16:23
4
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unix - head AND tail of file
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Based on J.F. Sebastian's comment:
cat file | { tee >(head >&3; cat >/dev/null) | tail; } 3>&1
This way you can process first line and the rest differently in one pipe, which is useful for working with ...