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Why is address zero used for the null pointer?
In C (or C++ for that matter), pointers are special if they have the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use ...
Singletons vs. Application Context in Android?
Recalling this post enumerating several problems of using singletons
and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
Default constructor vs. inline field initialization
What's the difference between a default constructor and just initializing an object's fields directly?
5 Answers
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Vim: apply settings on files in directory
How do I specify Vim settings for all files under the current directory?
11 Answers
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what is “strict mode” and how is it used?
I've been looking over the JavaScript reference on the Mozilla Developer Network, and I came across something called "strict mode" . I read it over and I'm having trouble understanding what it does. Can someone briefly explain (in general) what its purpose is and how it is useful?
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In Bash, how do I add a string after each line in a file?
How do I add a string after each line in a file using bash? Can it be done using the sed command, if so how?
6 Answers
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How to analyze a java thread dump?
I am trying to understand more about java, especially about memory management and threads.
For this reason I have recently found interest in looking at thread dumps.
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How to remove time portion of date in C# in DateTime object only?
I need to remove time portion of date time or probably have the date in following format in object form not in the form of string .
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How to search a specific value in all tables (PostgreSQL)?
...it possible to search every column of every table for a particular value in PostgreSQL?
8 Answers
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LaTeX source code listing like in professional books
How should a latex source code listing look like to produce an output like in known books, for example one for the Spring Framework? I've tried with the latex listings package but wasn't able to produce something that looked as nice as the one below. So I'm primarely interested in the formatting ins...