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Multiple constructors in python? [duplicate]

...ctors. However, you can define a default value if one is not passed. def __init__(self, city="Berlin"): self.city = city share | improve this answer | follow ...
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Is there a way of having git show lines added, lines changed and lines removed?

...he -m option is for showing the number of modified lines. Sample output: app/controllers/application_controller.rb | 30 -------------------!!! 1 files changed, 0 insertions(+), 26 deletions(-), 4 modifications(!) The count for the number of lines modified is approximate, as man diffstat says:...
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How to get the error message from the error code returned by GetLastError()?

...rror message has been recorded LPSTR messageBuffer = nullptr; size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&a...
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How to execute AngularJS controller function on page load?

...o NOT use ng-init for that. However imo it depends on architecture of your app. I used ng-init when I wanted to pass a value from back-end into angular app: <div data-ng-controller="myCtrl" data-ng-init="init('%some_backend_value%')"></div> ...
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C++ compiling on Windows and Linux: ifdef switch [duplicate]

... use: #ifdef __linux__ //linux code goes here #elif _WIN32 // windows code goes here #else #endif share | improve this answer...
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Can I specify multiple users for myself in .gitconfig?

... You should also unset GIT_AUTHOR_EMAIL and GIT_COMMITTER_EMAIL (and *_NAME) as they will override the local settings – ACyclic Sep 14 '12 at 9:58 ...
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Difference between left join and right join in SQL Server [duplicate]

... two table with following records: Table A id firstname lastname ___________________________ 1 Ram Thapa 2 sam Koirala 3 abc xyz 6 sruthy abc Table B id2 place _____________ 1 Nepal 2 USA 3 Lumbini 5 Kathmandu Inne...
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JavaScript: What are .extend and .prototype used for?

...(){ var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/; // The base Class implementation (does nothing) this.Class = function(){}; // Create a new Class that inherits from this class Class.extend = function(prop) { var _super = this.prototype; ...
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What are metaclasses in Python?

... the 'class' statement) by calling the metaclass. Combined with the normal __init__ and __new__ methods, metaclasses therefore allow you to do 'extra things' when creating a class, like registering the new class with some registry or replace the class with something else entirely. When the class st...
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How to check if a variable is a dictionary in Python?

...t, defaultdict, or Counter from the collections module: if isinstance(any_object, dict): But there are even more flexible options. Supporting abstractions: from collections.abc import Mapping if isinstance(any_object, Mapping): This allows the user of your code to use their own custom implem...