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Is there a way to pass optional parameters to a function?

Is there a way in Python to pass optional parameters to a function while calling it and in the function definition have some code based on "only if the optional parameter is passed" ...
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Determine if string is in list in JavaScript

... You can call indexOf: if (['a', 'b', 'c'].indexOf(str) >= 0) { //do something } share | improve this answer | ...
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Entity Framework DateTime and UTC

...y Framework (I am using the Code First Approach with CTP5 currently) store all DateTime values as UTC in the database? 13 A...
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How to post data to specific URL using WebClient in C#

...s the garbage collector will clean up unmanaged resources and the like by calling the destructor (e.g., WebClient inherits from Component, which contains ~Component() {Dispose(false);}). The problem is that the garbage collector may take an arbitrarily long time to do so, since it does not account ...
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Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor

...h of Mac OS X Mavericks anymore. Bulletproof solution: Download and install Homebrew by executing following command in terminal: ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" Install Apache Ant via Homebrew by executing brew install ant Run...
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Is there a built in function for string natural sort?

... There is a third party library for this on PyPI called natsort (full disclosure, I am the package's author). For your case, you can do either of the following: >>> from natsort import natsorted, ns >>> x = ['Elm11', 'Elm12', 'Elm2', 'elm0', 'elm1', 'elm1...
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How do I use Ruby for shell scripting?

...r, options) rm(list, options) rm_r(list, options) rm_rf(list, options) install(src, dest, mode = <src's>, options) chmod(mode, list, options) chmod_R(mode, list, options) chown(user, group, list, options) chown_R(user, group, list, options) touch(list, options) Which is pretty nice ...
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load scripts asynchronously

...time to load. it will be nice if I can display the loader before importing all the: 19 Answers ...
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Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0

I have installed MS SQL Server 2008 R2 and when I try to update model from database under EDMX file I am facing that error. ...
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Automatic post-registration user authentication

...istration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again. ...