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Retrieve a Fragment from a ViewPager

...able. Fragments that have not yet been instantiated, will return null when calling getRegisteredFragment. But I've been using this mostly to get the current Fragment out of the ViewPager: adapater.getRegisteredFragment(viewPager.getCurrentItem()) and this won't return null. I'm not aware of any oth...
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How to assign the output of a command to a Makefile variable

...at it will do, it won't have any undesirable side effects. Every $(shell) call is evaluated at compile time and some real work could accidentally be done. Better to leave the real work, like generating ids, to the inside of the recipes when possible. ...
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How to send parameters from a notification-click to an activity?

...ent intent) event handler, that way you can access the new intent that was called for the activity (which is not the same as just calling getIntent(), this will always return the first Intent that launched your activity. Same as number one, but instead of adding a flag to the Intent you must add "si...
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Rails find_or_create_by more than one attribute?

There is a handy dynamic attribute in active-record called find_or_create_by: 5 Answers ...
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Render Partial View Using jQuery in ASP.NET MVC

... You can't render a partial view using only jQuery. You can, however, call a method (action) that will render the partial view for you and add it to the page using jQuery/AJAX. In the below, we have a button click handler that loads the url for the action from a data attribute on the button an...
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REST API Best practice: How to accept list of parameter values as input [closed]

...y large? The URI is limited in length depending on the browser. I have typically switched to a post request and sent the list in the body. Any suggestions there? – Troy Cosentino Mar 31 '17 at 19:51 ...
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What does [object Object] mean?

...ify({}) -> [object Object] That's because the constructor function is called Object (with a capital "O"), and the term "object" (with small "o") refers to the structural nature of the thingy. Usually, when you're talking about "objects" in Javascript, you actually mean "Object objects", and no...
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In Flux architecture, how do you manage Store lifecycle?

...query from a Controller-View. The only road into the Store is through the callback it registers with the Dispatcher. The only road out is through getter functions. Stores also publish an event when their state has changed, so Controller-Views can know when to query for the new state, using the ge...
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How can I update a single row in a ListView?

...rate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is getting called too frequently, since notifyDataSetChanged() calls getView() for all visible items. I want to update jus...
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OnCreateOptionsMenu() not called in Fragment

... In your fragment's onCreateView() method, you need to call setHasOptionsMenu(true) to tell the host activity that your fragment has menu options that it wants to add. share | im...