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Concatenating two lists - difference between '+=' and extend()
...
From the CPython 3.5.2 source code:
No big difference.
static PyObject *
list_inplace_concat(PyListObject *self, PyObject *other)
{
PyObject *result;
result = listextend(self, other);
if (result == NULL)
...
Notification passes old Intent Extras
...vity(context, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
From the doc for PendingIntent.FLAG_UPDATE_CURRENT:
If the described PendingIntent already exists, then keep it but replace its extra data with what is in this new Intent. This can be used if you are creating intents wher...
Looping through array and removing items, without breaking for loop
... the next item in the iteration, since the indexing affects only the items from the current point to the end of the Array, and the next item in the iteration is lower than the current point.
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How do you follow an HTTP Redirect in Node.js?
... module on top of the http to more easily handle processing http responses from a node application?
request
Redirection logic in request
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foll...
Regex Named Groups in Java
...a_${login}_sssss_${id}____") ==> aaaaa_TEST_sssss_123____
(extract from the implementation)
public final class Pattern
implements java.io.Serializable
{
[...]
/**
* Parses a group and returns the head node of a set of nodes that process
* the group. Sometimes a double retu...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...e out the request to ASP.NET). In this mode, ASP.NET is not much different from PHP or other technologies for IIS.
Integrated mode, on the other hand, is a new mode in IIS7 where IIS pipeline is tightly integrated (i.e. is just the same) as ASP.NET request pipeline. ASP.NET can see every request it...
What Android tools and methods work best to find memory/resource leaks? [closed]
...he Activity is destroyed, created again and the layouts are “inflated” from the XML consuming the VM memory avaiable for bitmaps.
Bitmaps on the previous activity layout are not properly deallocated by the garbage collector because they have crossed references to their activity. After many expe...
How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
... list of ints!")
}
You can also do this using ClassTags (which saves you from having to depend on scala-reflect):
import scala.reflect.{ClassTag, classTag}
def matchList2[A : ClassTag](list: List[A]) = list match {
case strlist: List[String @unchecked] if classTag[A] == classTag[String] => p...
Check whether an array is empty [duplicate]
...)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() construct will always return true if there is at least one element even with "empty" value.
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iOS application: how to clear notifications?
...otifications];
which never fails to clear all of the app's notifications from Notification Center.
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