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Linear Regression and group by in R
...eturn a data frame
ldply(models, coef)
# Print the summary of each model
l_ply(models, summary, .print = TRUE)
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How to clear a notification in Android
... .setAutoCancel(true)
.setSmallIcon(R.drawable.app_icon)
.setContentIntent(pIntent)
.build();
.setAutoCancel(true)
when you click on notification, open corresponding activity and remove notification from notification bar
...
How to 'insert if not exists' in MySQL?
... i added a clarification to the question - does your answer still apply?
– warren
Sep 1 '09 at 9:12
2
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How do you use Mongoose without defining a schema?
...
Actually "Mixed" (Schema.Types.Mixed) mode appears to do exactly that in Mongoose...
it accepts a schema-less, freeform JS object - so whatever you can throw at it. It seems you have to trigger saves on that object manually afterwards, but it seems like a fair trad...
Android Fragment lifecycle over orientation changes
...ne fragment = new FragmentOne();
fragmentTransaction.add(R.id.fragment_container, fragment);
fragmentTransaction.commit();
} else {
// do nothing - fragment is recreated automatically
}
Be warned though: problems will occur if you try and access Activity Views from inside the ...
How to convert a String to CharSequence?
...value join with alternatives:
(x$1: CharSequence,x$2: java.lang.Iterable[_ <: CharSequence])String <and>
(x$1: CharSequence,x$2: CharSequence*)String
cannot be applied to (String, Iterable[String])
val header = String.join(",", cols)
I was able to fix this problem with the rea...
Creating anonymous objects in php
...
<?php
class Foo {}
$child = new class extends Foo {};
var_dump($child instanceof Foo); // true
?>
You can read more about this in the manual
But I don't know how similar it is implemented to JavaScript, so there may be a few differences between anonymous classes in JavaScrip...
Detect the specific iPhone/iPod touch model [duplicate]
...
@"x86_64" for simulator.
– João Nunes
Jan 4 '13 at 10:42
1
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How do I delete multiple rows in Entity Framework (without foreach)
...gFlags.NonPublic | BindingFlags.Instance).Where(field => field.Name == "_internalQuery").Select(field => field.GetValue(query)).First();
var objectQuery = internalQuery.GetType().GetFields(BindingFlags.NonPublic | BindingFlags.Instance).Where(field => field.Name == "_objectQuery").Selec...
What are unit tests, integration tests, smoke tests, and regression tests?
... located under myprj, I have the unit tests located under myprj/tests/test_module1.py, and my package located under myprj/mypkg. This works great for unit tests, but I wonder if there is any convention, I should follow for where the integration tests should reside?
– alpha_9...