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Play sound on button click android
How do I get a button to play a sound from raw when click? I just created a button with id button1 , but whatever code I write, all is wrong.
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Is it better practice to use String.format over string Concatenation in Java?
Is there a perceptible difference between using String.format and String concatenation in Java?
14 Answers
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strdup() - what does it do in C?
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Exactly what it sounds like, assuming you're used to the abbreviated way in which C and UNIX assigns words, it duplicates strings :-)
Keeping in mind it's actually not part of the ISO C standard itself(a) (it's a POSIX thing), it's effectively doing the same as the following code:
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Fastest way to tell if two files have the same contents in Unix/Linux?
...do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
9 Answers
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Java Immutable Collections
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Unmodifiable collections are usually read-only views (wrappers) of other collections. You can't add, remove or clear them, but the underlying collection can change.
Immutable collections can't be changed at all - they don't wrap anot...
How do you find all subclasses of a given class in Java?
How does one go about and try to find all subclasses of a given class (or all implementors of a given interface) in Java?
As of now, I have a method to do this, but I find it quite inefficient (to say the least).
The method is:
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“std::endl” vs “\n”
Many C++ books contain example code like this...
12 Answers
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Why is the tag deprecated in HTML?
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The <center> element was deprecated because it defines the presentation of its contents — it does not describe its contents.
One method of centering is to set the margin-left and margin-right properties of the element to auto, and then set the parent element...
Is it possible to set transparency in CSS3 box-shadow?
Is it possible to set transparency on the box shadow?
1 Answer
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Sending email with PHP from an SMTP server
I have trouble sending email in PHP. I get an error: SMTP server response: 530 SMTP authentication is required .
8 Answers...