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How to set timer in android?
...mport android.widget.Button;
import android.widget.TextView;
public class TestActivity extends Activity {
TextView timerTextView;
long startTime = 0;
//runs without a timer by reposting this handler at the end of the runnable
Handler timerHandler = new Handler();
Runnable time...
How do I sort unicode strings alphabetically in Python?
...oes a good job, assuming that you have the locale in question installed. I tested it under Windows too, where the locale names confusingly are different, but on the other hand it seems to have all locales that are supported installed by default.
ICU doesn't necessarily do this better in practice, i...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...t;
</body>
</html>
The key is the globalAlpha property.
Tested with IE 9, FF 5, Safari 5, and Chrome 12 on Win7.
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Break or return from Java 8 stream forEach?
...edicate<T> action) {
for (T item : source) {
if (!action.test(item)) {
break;
}
}
}
Rather than Predicate<T>, you might want to define your own functional interface with the same general method (something taking a T and returning a bool) but with nam...
How can I get useful error messages in PHP?
... in the shutdown handler. I copied and pasted this from my own cms without testing it, but I am sure it works.
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Incrementing in C++ - When to use x++ or ++x?
...
I happened to test this yesterday with gcc: in a for loop in which the value is thrown away after executing i++ or ++i, the generated code is the same.
– Giorgio
Oct 15 '15 at 20:00
...
Setting Android Theme background color
...y turned out that I made a really silly mistake. The device I am using for testing is running Android 4.0.4, API level 15.
The styles.xml file that I was editing is in the default values folder. I edited the styles.xml in values-v14 folder and it works all fine now.
...
pandas three-way joining multiple dataframes on columns
...
This should be the accepted answer. It's the fastest.
– R. Zhu
May 1 at 22:12
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Why is it slower to iterate over a small string than a small list?
... 9 LOAD_CONST 6 (('a', 'b', 'c'))
as tuples are immutable. Test:
>>> python3 -m timeit '[x for x in ("a", "b", "c")]'
1000000 loops, best of 3: 0.369 usec per loop
Great, back up to speed.
For Python 2:
def list_iterate():
[item for item in ["a", "b", "c"]]
dis.dis...
find without recursion
... command line arguments. `-maxdepth 0' means
only apply the tests and actions to the command line arguments.
Your options basically are:
# Do NOT show hidden files (beginning with ".", i.e., .*):
find DirsRoot/* -maxdepth 0 -type f
Or:
# DO show hidden files:
find DirsRoot/ -maxdep...
