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Programmatically relaunch/recreate an activity?
After I do some change in my database, that involves significant change in my views, I would like to redraw, re-execute onCreate.
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
Using the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
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Ways to synchronize interface and implementation comments in C# [closed]
Are there automatic ways to sync comments between an interface and its implementation?
I'm currently documenting them both and wouldn't like to manually keep them in sync.
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MySQL Cannot Add Foreign Key Constraint
So I'm trying to add Foreign Key constraints to my database as a project requirement and it worked the first time or two on different tables, but I have two tables on which I get an error when trying to add the Foreign Key Constraints.
The error message that I get is:
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How do I pass a string into subprocess.Popen (using the stdin argument)?
If I do the following:
11 Answers
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What does yield mean in PHP?
I've recently stumbled over this code:
8 Answers
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How can I stop a running MySQL query?
I connect to mysql from my Linux shell. Every now and then I run a SELECT query that is too big. It prints and prints and I already know this is not what I meant. I would like to stop the query.
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Set margins in a LinearLayout programmatically
I'm trying to use Java ( not XML ) to create a LinearLayout with buttons that fill the screen, and have margins. Here is code that works without margins:
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Weird PHP error: 'Can't use function return value in write context'
I'm getting this error and I can't make head or tail of it.
12 Answers
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