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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha

... _Layout.cshtml has something like this: @RenderSection("scripts") Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty): @{ ViewBag.Title = "Title"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section scripts{ ...
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Add a new column to existing table in a migration

... }); } Then you can run your migrations: php artisan migrate This is all well covered in the documentation for both Laravel 3: Schema Builder Migrations And for Laravel 4 / Laravel 5: Schema Builder Migrations Edit: use $table->integer('paid')->after('whichever_column'); to add ...
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Multiple constructors in python? [duplicate]

... Now you can do: c = C(fd) # or: c = C.fromfilename('a filename') Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations of keyword arguments to __init__ work. isinstance is best avoided becaus...
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Generic method with multiple constraints

... class where TViewModel : class It is solved this way. in containers/services the key is typeof and the comma (,) services.AddScoped(typeof(IBaseSupervisor<,>), typeof(BaseSupervisor<,>)); This was mentioned in this answer. ...
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Lock screen orientation (Android) [duplicate]

... is there any way to defined orientation for service..basically I write an LiveWallpaper service...where need to restrict device orientation. – CoDe Jun 18 '13 at 12:31 ...
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How to use timeit module

... The way timeit works is to run setup code once and then make repeated calls to a series of statements. So, if you want to test sorting, some care is required so that one pass at an in-place sort doesn't affect the next pass with already sorted data (that, of course, would make the Timsort reall...
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How to change the session timeout in PHP?

...cted immediately but only whenever the session GC kicks in. GC is a potentially expensive process, so typically the probability is rather small or even zero (a website getting huge numbers of hits will probably forgo probabilistic GC entirely and schedule it to happen in the background every X minut...
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How to comment a block in Eclipse?

... I have Eclipse IDE for Java Developers Version: Juno Service Release 2 and it is - Every line prepended with // ctrl + / for both comment and uncomment . share | improve this ...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

...'`" But standard double-clickable application bundles don't use JDKs installed under /Library/Java at all. Old-style .app bundles using Apple's JavaApplicationStub will use Apple Java 6 from /System/Library/Frameworks, and new-style ones built with AppBundler without a bundled JRE will use the "p...
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How to change Rails 3 server default port in develoment?

... First - do not edit anything in your gem path! It will influence all projects, and you will have a lot problems later... In your project edit script/rails this way: #!/usr/bin/env ruby # This command will automatically be run when you run "rails" with Rails 3 gems installed from the root...