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Should Javadoc comments be added to the implementation?
Is it correct practice to add Javadoc comments in the interface and add non-Javadoc comments in the implementation?
7 Answe...
GCC -fPIC option
I have read about GCC's Options for Code Generation Conventions , but could not understand what "Generate position-independent code (PIC)" does. Please give an example to explain me what does it mean.
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Is there a unique Android device ID?
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Settings.Secure#ANDROID_ID returns the Android ID as an unique for each user 64-bit hex string.
import android.provider.Settings.Secure;
private String android_id = Secure.getString(getContext().getContentResolver(),
Secure.ANDROID_...
Difference between Git and GitHub
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Git is a revision control system, a tool to manage your source code history.
GitHub is a hosting service for Git repositories.
So they are not the same thing: Git is the tool, GitHub is the service for projects that use Git.
To get your code to GitHub, have a look here.
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How do I compare two strings in Perl?
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See perldoc perlop. Use lt, gt, eq, ne, and cmp as appropriate for string comparisons:
Binary eq returns true if the left argument is stringwise equal to the right argument.
Binary ne returns true if the left argument is stringwise not equal to the right argument.
Binary cmp returns -1, ...
What is the purpose of class methods?
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Class methods are for when you need to have methods that aren't specific to any particular instance, but still involve the class in some way. The most interesting thing about them is that they can be overridden by subclasses, something that's s...
get name of a variable or parameter [duplicate]
I would like to get the name of a variable or parameter:
3 Answers
3
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What does -D_XOPEN_SOURCE do/mean?
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When you do
#define _XOPEN_SOURCE <some number>
or
cc -D_XOPEN_SOURCE=<some number>
it tells your compiler to include definitions for some extra functions that are defined in the X/Open and POSIX standards.
This will give you some extra functionality that exists ...
Text size and different android screen sizes
...ow, it was discussed already 1000 times, but I can't adjust the text size for different screen sizes. I try to use 'sp' as size units in my custom style:
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Is it good practice to NULL a pointer after deleting it?
I'll start out by saying, use smart pointers and you'll never have to worry about this.
18 Answers
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