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Maximum number of records in a MySQL database table
... The poster is not asking about numeric or any other data types. . I really do not understand how this can be flagged as a correct answer. Though I must admit that the question is ambiguous we should distinguish between PK data type and maximum number of rows for a table.
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Python: How do I make a subclass from a superclass?
...ich, when initialized, immediately sorts itself in the direction specified by the reverse keyword argument, as the following tests illustrate:
import pytest
def test_1():
assert SortedList([5, 2, 3]) == [2, 3, 5]
def test_2():
SortedList([5, 2, 3], reverse=True) == [5, 3, 2]
def test_3()...
Keyboard shortcuts in WPF
I know about using _ instead of & , but I'm looking at all the Ctrl + type shortcuts.
10 Answers
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What is a sealed trait?
...ed tree, for instance. You can write this:
sealed abstract class Tree[T : Ordering]
but you cannot do this:
sealed trait Tree[T : Ordering]
since context bounds (and view bounds) are implemented with implicit parameters. Given that traits can't receive parameters, you can't do that.
Personall...
python max function using 'key' and lambda expression
...t-2-0ce0a02693e4>", line 1, in <module>
max(lis)
TypeError: unorderable types: int() > str()
But this works, as we are comparing integer version of each object:
>>> max(lis, key=lambda x: int(x)) # or simply `max(lis, key=int)`
'111'
...
What is the easiest way to ignore a JPA field during persistence?
...
This answer comes a little late, but it completes the response.
In order to avoid a field from an entity to be persisted in DB one can use one of the two mechanisms:
@Transient - the JPA annotation marking a field as not persistable
transient keyword in java. Beware - using this keyword, w...
No submodule mapping found in .gitmodule for a path that's not a submodule
...Support/Three20' in the original question), then you need to remove it, in order to avoid the "No submodule mapping found in .gitmodules for path" error message.
You can check all the entries in the index which are referencing submodules:
git ls-files --stage | grep 160000
Previous answer (Nov...
What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?
I was trying to change my default/main/startup (whatever you call it) activity by editing the androidmanifest.xml file. All i did was change the android:name property. however, this completely broke the entire app. when I try to install it fails and reads.
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Convert JavaScript string in dot notation into an object reference
...k themselves the question "why am I doing this?"
It is of course generally fine to do this if your use case is small and you will not run into performance issues, AND you won't need to build upon your abstraction to make it more complicated later. In fact, if this will reduce code complexity an...
what is the right way to treat Python argparse.Namespace() as a dictionary?
... imageUploader: {
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