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Quickly reading very large tables as dataframes
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@skan the end object is a data frame. So you have to convert it to a zoo object in order to use it with zoo. Look at the examples in the zoo docs for illustrations.
– JD Long
Apr 2 '13 at 12:48
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What is the use of ByteBuffer in Java? [closed]
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This is a good description of its uses and shortcomings. You essentially use it whenever you need to do fast low-level I/O. If you were going to implement a TCP/IP protocol or if you were writing a database (DBMS) this class would come in handy.
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Biggest GWT Pitfalls? [closed]
...t into GWT harder
Solution: Again you get used to this, but unfortunately converting a HTML design to a GWT design is always going to be slower than doing something like converting a HTML design to a JSP page.
Problem: GWT takes a bit of getting your head around, and is not yet mainstream. Meani...
How do I loop through a date range?
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A really nice solution for an interesting and real word problem. I like how this shows quite a few useful techniques of the language. And this reminds me that for loop is not only for (int i = 0;...) (-.
– Audrius
Dec 4 '09 at 1...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
...od -Rf go-w /Volumes/"${title}"
sync
sync
hdiutil detach ${device}
hdiutil convert "/pack.temp.dmg" -format UDZO -imagekey zlib-level=9 -o "${finalDMGName}"
rm -f /pack.temp.dmg
On Snow Leopard, the above applescript will not set the icon position correctly - it seems to be a Snow Leopard bug. O...
Is there a way to specify how many characters of a string to print out using printf()?
...ogous to the "%8.8s" notation, but again allows you to specify the minimum and maximum lengths at runtime - more realistically in a scenario like:
printf("Data: %*.*s Other info: %d\n", minlen, maxlen, string, info);
The POSIX specification for printf() defines these mechanisms.
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Best way to list files in Java, sorted by Date Modified?
...h that the oldest files are first. My solution was to call File.listFiles and just resort the list based on File.lastModified, but I was wondering if there was a better way.
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How do I make a textarea an ACE editor?
I'd like to be able to convert specific textareas on a page to be ACE editors.
5 Answers
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Broadcast receiver for checking internet connection in android app
I am developing an android broadcast receiver for checking internet connection.
21 Answers
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Java: Instanceof and Generics
...Object(Class<T> type) {
return new MyObject<T>(type);
}
And then in the object's constructor store that type, so variable so that your method could look like this:
if (arg0 != null && !(this.type.isAssignableFrom(arg0.getClass()))
{
return -1;
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