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What is a None value?

...right and F = None resets F to its original state, then it should be there now, and we should see >>> print(F) None like we do after we type F = None and put the sticker on None. So that's all that's going on. In reality, Python comes with some stickers already attached to objects (b...
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Infinite Recursion with Jackson JSON and Hibernate JPA issue

... @Ben: Actually I don't know. Perhaps its support was not enabled: wiki.fasterxml.com/JacksonJAXBAnnotations – axtavt Oct 1 '10 at 15:51 ...
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How to: Define theme (style) item for custom widget

...ble.CustomImageButton_customAttr, "" ); array.recycle(); } } Now you have to apply Theme.Custom to all activities that use CustomImageButton (in AndroidManifest.xml): <activity android:name=".MyActivity" android:theme="@style/Theme.Custom"/> That's all. Now CustomImageButton t...
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What is the benefit of using Fragments in Android, rather than Views?

...loosing all images downloaded in that, so had to add cache implementation, now I'm thinking using fragments it may be very easy – Shirish Herwade Feb 9 '15 at 13:53 ...
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How do I enumerate the properties of a JavaScript object? [duplicate]

...you want // you can get the value like this: myObject[propertyName] } Now, you will not get private variables this way because they are not available. EDIT: @bitwiseplatypus is correct that unless you use the hasOwnProperty() method, you will get properties that are inherited - however, I do...
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How can I “disable” zoom on a mobile web page?

... Right now someone at Posterous did just that, while having the font at 12px so it's unreadable and I cannot find a way around it. – Emil Ivanov Dec 1 '11 at 7:05 ...
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How to find and return a duplicate value in array

... a = ["A", "B", "C", "B", "A"] a.detect{ |e| a.count(e) > 1 } I know this isn't very elegant answer, but I love it. It's beautiful one liner code. And works perfectly fine unless you need to process huge data set. Looking for faster solution? Here you go! def find_one_using_hash_map(arr...
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How to disable anchor “jump” when loading a page?

... delete hash so the page won't scroll to it window.location.hash = ""; // now whenever you are ready do whatever you want // (in this case I use jQuery to scroll to the tag after the page has loaded) $(window).on('load', function() { if (target) { $('html, body').animate({ s...
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mysql - how many columns is too many?

I'm setting up a table that might have upwards of 70 columns. I'm now thinking about splitting it up as some of the data in the columns won't be needed every time the table is accessed. Then again, if I do this I'm left with having to use joins. ...
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General guidelines to avoid memory leaks in C++ [closed]

... a look at the Boost lib, TR1, and smart pointers. Also smart pointers are now a part of C++ standard called C++11. share | improve this answer | follow | ...