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How do I create a variable number of variables?

...u can use dictionaries to accomplish this. Dictionaries are stores of keys and values. >>> dct = {'x': 1, 'y': 2, 'z': 3} >>> dct {'y': 2, 'x': 1, 'z': 3} >>> dct["y"] 2 You can use variable key names to achieve the effect of variable variables without the security ris...
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme

... The answer Matt suggests works, but it cause the map to be recreated and redrawn, which isn't always desirable. After lots of trial and error, I found a solution that works for me: private static View view; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bund...
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Can I write a CSS selector selecting elements NOT having a certain class or attribute?

...ibute]) { /* Styles */ } But if you need better browser support (IE8 and older don't support :not()), you're probably better off creating style rules for elements that do have the "printable" class. If even that isn't feasible despite what you say about your actual markup, you may have to work...
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How to use the pass statement?

I am in the process of learning Python and I have reached the section about the pass statement. The guide I'm using defines it as being a Null statement that is commonly used as a placeholder. ...
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How do I automatically update a timestamp in PostgreSQL

...the time of the actual current moment, (2) the time the statement started, and (3) the time the transaction started. The example shown here is start of current transaction. You may or may not want that as opposed to the other two possibilities. – Basil Bourque ...
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Google Play app description formatting

I've made an Android application that is available on Google Play. Now I want to add some more formatting to my app description (eg. indent, links, lists..). But I cannot find any website where possible formatting is listed. Google Help pages cannot help me either on this subject. There exists a lot...
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Can Python print a function definition?

...cts that are imported (not objects defined within the interactive prompt). And of course it will only work if Python can find the source code (so not on built-in objects, C libs, .pyc files, etc) share | ...
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Android - SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

...it's caused by the 3rd party keyboard I am using. When I change it back to Android keyboard, the error entry does not show up any more. share | improve this answer | follow ...
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How to suppress Pandas Future warning ?

When I run the program, Pandas gives 'Future warning' like below every time. 3 Answers ...
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How to read the Stock CPU Usage data

On Ice Cream Sandwich, an option in the Developer Options is "Show CPU Usage", which adds an overlay on the screen (see screenshot below). ...