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Why would I ever use push_back instead of emplace_back?
...nd the arguments directly to the constructor to create an object in-place. It seems to me that emplace_back does everything push_back can do, but some of the time it will do it better (but never worse).
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How to save/restore serializable object to/from file?
... read some forums and I know that the object has to be Serializable . But it would be nice if I can get an example. For example if I have the following:
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Customizing the template within a Directive
...lt;/div>' +
'</div>';
element.replaceWith(htmlText);
}
};
})
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Given final block not properly padded
I am trying to implement password based encryption algorithm, but I get this exception:
4 Answers
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
... my Rails app. Is there any way to use a migration to rename a model and its corresponding table?
5 Answers
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...y targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5
5 Answers
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How to publish a website made by Node.js to Github Pages?
I made a website using Node.js as the server. As I know, the node.js file should start working by typing commands in terminal, so I'm not sure if Github Pages supports node.js-hosting. So what should I do?
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Which @NotNull Java annotation should I use?
...nar) to avoid NullPointerExceptions. Many of the tools seem incompatible with each others' @NotNull / @NonNull / @Nonnull annotation and listing all of them in my code would be terrible to read. Any suggestions of which one is the 'best'? Here is the list of equivalent annotations I've found:
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Adding 'serial' to existing column in Postgres
I have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword.
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Check if at least two out of three booleans are true
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Rather than writing:
if (someExpression) {
return true;
} else {
return false;
}
Write:
return someExpression;
As for the expression itself, something like this:
boolean atLeastTwo(boolean a, boolean b, boolean c) {
re...