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Get size of folder or file
...s no built-in way to get the size of a folder, you are going to have to walk the directory tree recursively (using the listFiles() method of a file object that represents a directory) and accumulate the directory size for yourself:
public static long folderSize(File directory) {
long length = 0...
Truncate a list to a given number of elements
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Dave Jarvis
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answered Aug 14 '09 at 18:42
Ben LingsBen L...
How do I have to configure the proxy settings so Eclipse can download new plugins?
I am working with Eclipse 3.7, on an Windows XP environment behind a web proxy.
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Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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sed error: “invalid reference \1 on `s' command's RHS”
...t for maven .
One of the sed commands uses a regular expression which works find in the shell as discussed here . The current (not working) implementation can be found here .
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How to create an infinite loop in Windows batch file?
... a batch file. I want to be able to re-run "Do Stuff" whenever I press any key to go past the "Pause".
6 Answers
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Rails: redirect_to with :error, but flash[:error] empty
...s a flash hash value. If you need to set the :error value, you can do it like this:
redirect_to show_path, flash: { error: "Insufficient rights!" }
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Do declared properties require a corresponding instance variable?
...stance variable to be declared? For example, I'm used to doing something like this:
6 Answers
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tag in Twitter Bootstrap not functioning correctly?
... class the width depends on the content of the <div>
if you would like the <hr> to be full width, replace <div> with <div class='row'><div class='span12'> (with according closing tags).
If you expect something different, describe what you expect by adding a comment.
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ISO time (ISO 8601) in Python
I have a file. In Python, I would like to take its creation time, and convert it to an ISO time (ISO 8601) string while preserving the fact that it was created in the Eastern Time Zone (ET) .
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