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The JPA hashCode() / equals() dilemma

...was writing unit tests, and found out that I can't delete an object from a set after modifying it, concluded that it is because of the hashcode change, but was unable to understand how to solve. The article is simple gorgeous! – XMight Apr 26 '16 at 13:40 ...
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-didSelectRowAtIndexPath: not being called

...wDelegate for that table view, though UITableViewController is supposed to set that automatically. Any chance you reset the delegate to some other class? share | improve this answer | ...
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Accessing dict_keys element by index in Python3

..., the dict.keys() method returns a dictionary view object, which acts as a set. Iterating over the dictionary directly also yields keys, so turning a dictionary into a list results in a list of all the keys: >>> test = {'foo': 'bar', 'hello': 'world'} >>> list(test) ['foo', 'hello...
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compilation warning: no rule to process file for architecture i386

...this warning from your cocoapod you ned to make sure the s.source_files is set correctly in the .podspec. For example I originally included all files with this line in my .podspec s.source_files = "MyUIElements/**/*" I was getting this compilation warning for some font files I had in the pod. Yo...
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Get file size, image width and height before upload

...nd then re-sizing the image from the canvas into an IMG tag and explicitly setting the re-sized image type to jpeg. If you right click the top image, in the canvas tag, and choose Save File As, it will default to a PNG format. If you right click, and Save File as the lower image, it will default t...
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Force Screen On

... Additional Solutions: we can use keepScreenOn 1. implementation using setKeepScreenOn() in java code @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // or any View (in case generated programmatically ) View v = g...
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Center a column using Twitter Bootstrap 3

...proaches to centering a column <div> in Bootstrap 3: Approach 1 (offsets): The first approach uses Bootstrap's own offset classes so it requires no change in markup and no extra CSS. The key is to set an offset equal to half of the remaining size of the row. So for example, a column of size ...
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WebSocket with SSL

... one solution is to open the browser options, navigate to the certificates settings and add the host and post that the websocket server is being served from to the certificate provider as an exception. for example add 'example-wss-domain.org:6001' as an exception to 'Certificate Provider Ltd'. In fi...
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How to remove empty cells in UITableView? [duplicate]

i am trying to display a simple UITableView with some data. I wish to set the static height of the UITableView so that it doesn't displays empty cells at the end of the table. how do I do that? ...
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INSTALL_FAILED_UPDATE_INCOMPATIBLE when I try to install compiled .apk on device

... I had to go into Settings -> Manage Applications to find the app and choose to Uninstall it from there as it wasn't showing up elsewhere. – David Conlisk Sep 16 '14 at 14:12 ...