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Exposing a port on a live Docker container
...e -p flag with docker run to assign ports, but once a container is actually running, is there a command to open/map additional ports live?
...
What is the difference between == and Equals() for primitives in C#?
... == operator is defined as taking two ints (or shorts or longs).
When you call it with an int and a short, the compiler will implicitly convert the short to int and compare the resulting ints by value.
Other ways to make it work
Primitive types also have their own Equals() method that accepts the sa...
MySQL DROP all tables, ignoring foreign keys
Is there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there?
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Git fetch remote branch
...g on the same repository. We've branched it into two branches, each technically for different projects, but they have similarities, so we'll sometimes want to commit back to the * master from the branch .
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Iterating over every two elements in a list
... y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
Or, more generally:
from itertools import izip
def grouped(iterable, n):
"s -> (s0,s1,s2,...sn-1), (sn,sn+1,sn+2,...s2n-1), (s2n,s2n+1,s2n+2,...s3n-1), ..."
return izip(*[iter(iterable)]*n)
for x, y in grouped(l, 2):
print...
Getting the difference between two sets
...
Try this
test2.removeAll(test1);
Set#removeAll
Removes from this set all of its elements that are contained in the specified collection (optional operation). If the specified collection is also a set, this operation effectively modifies thi...
How does python numpy.where() work?
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How do they achieve internally that you are able to pass something like x > 5 into a method?
The short answer is that they don't.
Any sort of logical operation on a numpy array returns a boolean array. (i.e. __gt__, __lt__, etc all return boolea...
When use getOne and findOne methods Spring Data JPA
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answered Jun 26 '15 at 13:32
Marek HalmoMarek Halmo
2,05111 gold badge1313 silver badges1818 bronze badges
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...
The following SQL will get you the row count of all tables in a database:
CREATE TABLE #counts
(
table_name varchar(255),
row_count int
)
EXEC sp_MSForEachTable @command1='INSERT #counts (table_name, row_count) SELECT ''?'', COUNT(*) FROM ?'
SELECT table_name, ro...
How can I get the active screen dimensions?
...rn Screen.FromControl(this).Bounds;
}
}
I don't know of an equivalent call for WPF. Therefore, you need to do something like this extension method.
static class ExtensionsForWPF
{
public static System.Windows.Forms.Screen GetScreen(this Window window)
{
return System.Windows.Forms.Scree...