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How do I prevent the modification of a private field in a class?
Imagine that I have this class:
10 Answers
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How to avoid overflow in expr. A * B - C * D
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This seems too trivial I guess.
But A*B is the one that could overflow.
You could do the following, without losing precision
A*B - C*D = A(D+E) - (A+F)D
= AD + AE - AD - DF
= AE - DF
^smaller ...
Getting the last argument passed to a shell script
$1 is the first argument.
$@ is all of them.
27 Answers
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How to serve an image using nodejs
I have a logo that is residing at the public/images/logo.gif . Here is my nodejs code.
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Java equivalent to C# extension methods
I am looking to implement a functionality in a list of object as I would in C# using an extension method.
14 Answers
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How can you integrate a custom file browser/uploader with CKEditor?
The official documentation is less than clear - what's the correct way to integrate a custom file browser/uploader with CKEditor? (v3 - not FCKEditor)
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How to use a RELATIVE path with AuthUserFile in htaccess?
...ss that uses basic authentication. It seems the path to the .htpasswd file isn't relative to the htaccess file, but instead to the server config.
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How can I loop through a List and grab each item?
How can I loop through a List and grab each item?
4 Answers
4
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In a storyboard, how do I make a custom cell for use with multiple controllers?
...trying to use storyboards in an app I'm working on. In the app there are Lists and Users and each contains a collection of the other (members of a list, lists owned by a user). So, accordingly, I have ListCell and UserCell classes. The goal is to have those be re-usable throughout the app (i...
How to get package name from anywhere?
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An idea is to have a static variable in your main activity, instantiated to be the package name. Then just reference that variable.
You will have to initialize it in the main activity's onCreate() method:
Global to the class:
pub...