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Converting JSON data to Java object

I want to be able to access properties from a JSON string within my Java action method. The string is available by simply saying myJsonString = object.getJson() . Below is an example of what the string can look like: ...
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switch case statement error: case expressions must be constant expression

My switch-case statement works perfectly fine yesterday. But when I run the code earlier this morning eclipse gave me an error underlining the case statements in color red and says: case expressions must be constant expression, it is constant I don't know what happened. Here's my code below: ...
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Select random row from a sqlite table

I have a sqlite table with the following schema: 7 Answers 7 ...
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Setting background colour of Android layout element

I am trying to, somewhat clone the design of an activity from a set of slides on Android UI design . However I am having a problem with a very simple task. ...
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pandas GroupBy columns with NaN (missing) values

I have a DataFrame with many missing values in columns which I wish to groupby: 9 Answers ...
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How to validate an OAuth 2.0 access token for a resource server?

... Update Nov. 2015: As per Hans Z. below - this is now indeed defined as part of RFC 7662. Original Answer: The OAuth 2.0 spec (RFC 6749) doesn't clearly define the interaction between a Resource Server (RS) and Authorization Server (AS) for access token (AT) validation. It rea...
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Best way to test if a row exists in a MySQL table

I'm trying to find out if a row exists in a table. Using MySQL, is it better to do a query like this: 12 Answers ...
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'id' is a bad variable name in Python

Why is it bad to name a variable id in Python? 9 Answers 9 ...
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Append text to input field

I need to append some text to an input field... 6 Answers 6 ...
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Is it possible to display inline images from html in an Android TextView?

Given the following HTML: 9 Answers 9 ...