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Exposing a port on a live Docker container
... container that acts like a full-on virtual machine. I know I can use the EXPOSE instruction inside a Dockerfile to expose a port, and I can use the -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?
...
How to sort an array of objects by multiple fields?
...) break;
}
return result;
}
}
}());
Example usage:
homes.sort(sort_by('city', {name:'price', primer: parseInt, reverse: true}));
DEMO
Original function:
var sort_by = function() {
var fields = [].slice.call(arguments),
n_fields = fields.length;
...
How to make git ignore changes in case?
...lse did the trick, it was defaulted to true -_-
– Alex C
Mar 31 '16 at 14:36
add a comment
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Convert string in base64 to image and save on filesystem in Python
..., "wb") as fh:
fh.write(img_data.decode('base64'))
Modernizing this example to Python 3, which removed arbitrary codec support from string/bytes .encode() and .decode() functions:
# For both Python 2.7 and Python 3.x
import base64
with open("imageToSave.png", "wb") as fh:
fh.write(base64....
ManyRelatedManager object is not iterable
...ed here) like so (note, you use the through table name, in lowercase, suffixing _set):
{% for roominfo in participant.roomchoicethru_set.all %}
{{ roominfo.room}} {{ roominfo.telnumber}}
{% endfor %}
share
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Why java.util.Optional is not Serializable, how to serialize the object with such fields
... class has fields of java.util.Optional class. In this case the following exception is thrown: java.io.NotSerializableException: java.util.Optional
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How to Calculate Execution Time of a Code Snippet in C++
I have to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines.
1...
What version of Visual Studio is Python on my computer compiled with?
...
Visual C++ version _MSC_VER
Visual C++ 4.x 1000
Visual C++ 5 1100
Visual C++ 6 1200
Visual C++ .NET 1300
Visual C++ .NET 2003 1310
Visual C++ 2005 (8.0) 1400
Visual C++ 2008 ...
How to drop all tables in a SQL Server database?
...INTS tc2 ON tc2.CONSTRAINT_NAME =rc1.CONSTRAINT_NAME
OPEN @Cursor FETCH NEXT FROM @Cursor INTO @Sql
WHILE (@@FETCH_STATUS = 0)
BEGIN
Exec sp_executesql @Sql
FETCH NEXT FROM @Cursor INTO @Sql
END
CLOSE @Cursor DEALLOCATE @Cursor
GO
EXEC sp_MSforeachtable 'DROP TABLE ?'
GO
You can find the post ...
What are libtool's .la file for?
...
It is a textual file that includes a description of the library.
It allows libtool to create platform-independent names.
For example, libfoo goes to:
Under Linux:
/lib/libfoo.so # Symlink to shared object
/lib/libfoo.so.1 ...