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Android accelerometer accuracy (Inertial navigation)
I was looking into implementing an Inertial Navigation System for an Android phone, which I realise is hard given the accelerometer accuracy, and constant fluctuation of readings.
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Hand Coded GUI Versus Qt Designer GUI [closed]
I'm spending these holidays learning to write Qt applications. I was reading about Qt Designer just a few hours ago, which made me wonder : what do people writing real world applications in Qt use to design their GUIs? In fact, how do people design GUIs in general?
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What are the security risks of setting Access-Control-Allow-Origin?
I recently had to set Access-Control-Allow-Origin to * in order to be able to make cross-subdomain ajax calls.
Now I can't help but feel that I'm putting my environment to security risks.
Please help me if I'm doing it wrong.
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Difference between attr_accessor and attr_accessible
...nd attr_accessible ? From my understanding, using attr_accessor is used to create getter and setter methods for that variable, so that we can access the variable like Object.variable or Object.variable = some_value .
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Why does CSS not support negative padding?
...g in the W3C CSS. What is the reason behind this? Is there any obstruction to the property that prevents it's use as such? Thanks for your answers.
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Strange out of memory issue while loading an image to a Bitmap object
I have a list view with a couple of image buttons on each row. When you click the list row, it launches a new activity. I have had to build my own tabs because of an issue with the camera layout. The activity that gets launched for the result is a map. If I click on my button to launch the image pre...
How to copy a collection from one database to another in MongoDB
Is there a simple way to do this?
19 Answers
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Using a strategy pattern and a command pattern
...ing an encapsulation hierarchy table of several of the GoF design patterns to help explain the differences between these two patterns. Hopefully it better illustrates what each encapsulates so my explanation makes more sense.
First off, the hierarchy lists the scope for which a given pattern is app...
What does the Java assert keyword do, and when should it be used?
What are some real life examples to understand the key role of assertions?
18 Answers
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Querying DynamoDB by date
I'm coming from a relational database background and trying to work with amazon's DynamoDB
7 Answers
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