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What is a “feature flag”?
...s/features can be toggled live.
I guess the example there was that it's handy to have the control to reduce the feature-set somewhat if you need to, say, reduce db queries if the load is too high.
There are heaps of other reasons you would want to use this though - one of the main being enabling...
How to remove all event handlers from an event
To create a new event handler on a control you can do this
18 Answers
18
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Show Image View from file path?
...This kind of path is needed only when your images are stored in SD-Card .
And try the below code to set Bitmap images from a file stored inside a SD-Card .
File imgFile = new File("/sdcard/Images/test_image.jpg");
if(imgFile.exists()){
Bitmap myBitmap = BitmapFactory.decodeFile(imgFile.getA...
Array versus List: When to use which?
What are the scenarios when one is preferable over the other? And why?
16 Answers
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Using a strategy pattern and a command pattern
Both design patterns encapsulate an algorithm and decouple implementation details from their calling classes. The only difference I can discern is that the Strategy pattern takes in parameters for execution, while the Command pattern doesn't.
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IllegalMonitorStateException on wait() call
...ency packages instead of the old school threading packages. They are safer and way easier to work with.
Happy coding.
EDIT
I assumed you meant Object.wait() as your exception is what happens when you try to gain access without holding the objects lock.
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Serializing class instance to JSON
I am trying to create a JSON string representation of a class instance and having difficulty. Let's say the class is built like this:
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Make Vim show ALL white spaces as a character
...ething else, is then, really, a plain old whitespace.
As usual, to understand how listchars works, use the help. It provides great information about what chars can be displayed (like trailing space, for instance) and how to do it:
:help listchars
It might be helpful to add a toggle to it so you ...
Could not reliably determine the server's fully qualified domain name
I have just installed Apache 2.2.17, and I am using it first time.
13 Answers
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How to detect current state within directive
I'm using AngularUI's routing and I'd like to do a ng-class="{active: current.state}" but I'm unsure how to exactly detect the current state in a directive like this.
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