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Why fragments, and when to use fragments instead of activities?
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Not sure what video(s) you are referring to, but I doubt they are saying you should use fragments instead of activities, because they are not directly interchangeable. There is actually a fairly detailed entry in the Dev Guide, consider re...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...ri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
...
Simplest way to serve static data from outside the application server in a Java web application
...ieve and display images from a database in a JSP page?
How to stream audio/video files such as MP3, MP4, AVI, etc using a Servlet
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Java Generics (Wildcards)
... has a good explanation of when to use super and extends in this google io video talk where he mentions the Producer extends Consumer super mnemonic.
From the presentation slides:
Suppose you want to add bulk methods to Stack<E>
void pushAll(Collection<? extends E> src);
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Xcode 4.5 Storyboard 'Exit'
...ev Center with your developer account details and then go to the WWDC 2012 videos page and watch "Adopting Storyboard in your App" (it's fifth from the top) The discussion of unwind segues starts at time 37:20.
Update:
Here is some more info on the subject from Apple's documentation
A placeho...
Why wasn't PyPy included in standard Python?
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See this video by Guido van Rossum. He talks about the same question you asked at 12 min 33 secs.
Highlights:
lack of Python 3 compatibility
lack of extension support
not appropriate as glue code
speed is not everything
After all...
Difference between Build Solution, Rebuild Solution, and Clean Solution in Visual Studio?
...: Deletes all compiled files (DLL and EXE file).
You can see this YouTube video (Visual Studio Build vs. Rebuild vs. Clean (C# interview questions with answers)) where I have demonstrated the differences and below are visual representations which will help you to analyze the same in more detail.
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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
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Martin Fowler has an excellent video which gives a good explanation of NoSQL databases. The link goes straight to his reasons to use them, but the whole video contains good information.
You have large amounts of data - especially if you cannot fit it all...
What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...nProperty(variable)) {
statements
}
}
Crockford also has a video series on YUI theater where he talks about this. Crockford's series of videos/talks about javascript are a must see if you're even slightly serious about javascript.
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What's the algorithm to calculate aspect ratio?
...Taken from http://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Vector_Video_Standards4.svg/750px-Vector_Video_Standards4.svg.png
accepted_ratios = ['5:4', '4:3', '3:2', '8:5', '5:3', '16:9', '17:9']
#-------------------------------------------------------
def gcd(a, b):
if b == 0: return a...