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Run certain code every n seconds [duplicate]
...code from the web user manual. The above code is now corrected (still not tested, but it comes from my own working code and I am using it constantly). PS: maybe we are looking at different versions / modules? I'm sure my line is "from apscheduler.scheduler import Scheduler" with capital S and not...
Using the Android Application class to persist data
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Testing by changing the screen orientation is the easiest way to make sure your app does what Android assumes it to do.
– 18446744073709551615
Jan 31 '13 at 5:19
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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?
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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
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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.
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pandas three-way joining multiple dataframes on columns
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This should be the accepted answer. It's the fastest.
– R. Zhu
May 1 at 22:12
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