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What is Dispatcher Servlet in Spring?
In this image (which I got from here ), HTTP request sends something to Dispatcher Servlet.
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Difference between Document-based and Key/Value-based databases?
... explanation.
Data model: more than key-value stores
Although there is some debate on the correct name for databases such as Cassandra, I'd like to call them column-family stores. Although key-value pairs are an essential part of Cassandra, it's not limited to just that. It allows you to nest key-...
Best way to use html5 data attributes with rails content_tag helper?
The issue, of course, is that ruby symbols don't like hyphens. So something like this obviously won't work:
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How can I enable or disable the GPS programmatically on Android?
...g on/off GPS programatically on android has been discussed many times , and the answer is always the same:
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GCC -fPIC option
...e position-independent code (PIC)" does. Please give an example to explain me what does it mean.
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Understanding the Gemfile.lock file
... created in the working directory. What do the directives inside that file mean?
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When should you use 'friend' in C++?
...There ARE alternatives to the friend specifier, but often they are cumbersome (cpp-level concrete classes/masked typedefs) or not foolproof (comments or function name conventions).
Onto the answer;
The friend specifier allows the designated class access to protected data or functionality within t...
String vs. StringBuilder
...o run performance analysis on your code to see where you're spending the time, and then to modify it to use StringBuilder where needed.
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What is HEAD in Git?
You see the Git documentation saying things like
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error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
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I had the same problem and after doing a bit of research, here is my conclusion about this issue:
The compiler warns you about a @property that you declared as atomic (i.e. by omitting the nonatomic keyword), yet you provide an incomple...