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The modulo operation on negative numbers in Python
...ve number which is an invalid number, and we need to manually fix it up by adding 7:
int result = (2 - N) % 7;
return result < 0 ? result + 7 : result;
(See http://en.wikipedia.org/wiki/Modulo_operator for how the sign of result is determined for different languages.)
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Rename all files in directory from $filename_h to $filename_half?
Dead simple.
11 Answers
11
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Each for object? [duplicate]
... that moment, the buttonId variable will still be "button2" (the value it had during the last loop iteration), and so messagesByButtonId[buttonId] will be messagesByButtonId["button2"], i.e. "clicked last!".
See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Closures for more information o...
Create timestamp variable in bash script
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Alishan Khan
17111 gold badge11 silver badge88 bronze badges
answered Jun 12 '13 at 13:06
giordanogiordano
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How to comment out a block of code in Python [duplicate]
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Samuel Harmer
3,67544 gold badges2424 silver badges6262 bronze badges
answered Mar 23 '09 at 22:20
John FeminellaJohn Feminella
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How to loop through all enum values in C#? [duplicate]
...var values = Enum.GetValues(typeof(Foos)).Cast<Foos>();
I long ago added a helper function to my private library for just such an occasion:
public static class EnumUtil {
public static IEnumerable<T> GetValues<T>() {
return Enum.GetValues(typeof(T)).Cast<T>();
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How to change indentation mode in Atom?
... to use spaces as the default indentation mode. I prefer to have tabs instead though. Sublime Text has built in functionality for switching and converting indentation.
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Microsoft Azure: How to create sub directory in a blob container
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To add on to what Egon said, simply create your blob called "folder/1.txt", and it will work. No need to create a directory.
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How Do I Use Factory Girl To Generate A Paperclip Attachment?
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You can use fixture_file_upload
include ActionDispatch::TestProcess in your test helper, here is an example factory:
include ActionDispatch::TestProcess
FactoryBot.define do
factory :user do
avatar { fixture_file_upload(Rails.root.join('spec', '...
How to create composite primary key in SQL Server 2008
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ThiloThilo
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