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How to convert Milliseconds to “X mins, x seconds” in Java?
...utes was added as of Java 1.6.
To add a leading zero for values 0-9, just do:
String.format("%02d min, %02d sec",
TimeUnit.MILLISECONDS.toMinutes(millis),
TimeUnit.MILLISECONDS.toSeconds(millis) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis))
);
If TimeUnit or...
Better way to revert to a previous SVN revision of a file?
... - say, I'm at revision 855, I want to revert a file to revision 854. If I do svn merge -c -854 my.file, and then do svn diff, it seems to show one revision before 854 (that is, 853); only when I do svm merge -c 854 myfile (without the -), it looks like myfile is reverted to rev 854. Thanks again, c...
How to debug apk signed for release?
...release apk (by means of Eclipse) whilst it is running on my phone. I have done this before (and remember it being with one of the Android development tools; perhaps Dalvik Debug Monitor) but unfortunately cannot remember how to do it and have been unable to find any articles online. Does anyone kno...
Inserting HTML elements with JavaScript
... fragment and then insert that:
function create(htmlStr) {
var frag = document.createDocumentFragment(),
temp = document.createElement('div');
temp.innerHTML = htmlStr;
while (temp.firstChild) {
frag.appendChild(temp.firstChild);
}
return frag;
}
var fragment = ...
Using Application context everywhere?
...wer. I think I'll use this approach solely for the persistence layer (as I don't want to go with content providers). Wondering what was the motivation behind designing SQLiteOpenHelper in a way that expects a Context to be supplied instead of acquiring it from Application itself. P.S. And your book ...
How to force garbage collection in Java?
...s it possible to force garbage collection in Java, even if it is tricky to do? I know about System.gc(); and Runtime.gc(); but they only suggest to do GC. How can I force GC?
...
How to check if all of the following items are in a list?
...erent than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me.
Use the equivalent and more clearly-named method, set.issubset. Note that you don't need to convert the argument to a set; it'll do that for you if needed.
set(['a', 'b']).issubs...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
... Actually, as Listener classes are often anonymous-inner, I tend to just do final Context ctx = this; and I'm away ;)
– Alex
Sep 11 '11 at 16:00
28
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C# Float expression: strange behavior when casting the result float to int
...nt rounding (it's actually the value 61.99999809265137 when expressed as a double) and that your question is only about why two seemingly identical computations result in the wrong value.
The answer is that in the case of (int)(6.2f * 10), you are taking the double value 61.99999809265137 and trunc...
How can I visualize per-character differences in a unified diff file?
...modified, but I cannot see which characters in the changed lines differ. Does anyone know a way (in Vim, or some other free software that runs on Ubuntu) to visualize per-character differences?
...