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How to avoid explicit 'self' in Python?
...ou can't add members which accidentally shadow non-members and thereby break code.
One extreme example: you can write a class without any knowledge of what base classes it might have, and always know whether you are accessing a member or not:
class A(some_function()):
def f(self):
self.membe...
Output data from all columns in a dataframe in pandas [duplicate]
... output the data anyway (it won't probably fit on a screen and does not look very well):
print paramdata.values
converts the dataframe to its numpy-array matrix representation.
paramdata.columns
stores the respective column names and
paramdata.index
stores the respective index (row names).
...
No empty constructor when create a service
...
You need to add an empty constructor to your class i.e. one that takes no arguments:
public ReminderService() {
super("ReminderService");
}
Explanation from the documentation:
The name is used to name the worker thread.
NOTE: this is only applicable to intent service.
...
How to SSH to a VirtualBox guest externally through a host? [closed]
...should have one interface already which is using NAT. Then go to the Network settings and click the Port Forwarding button. Add a new Rule. As the rule name, insert "ssh". As "Host port", insert 3022. As "Guest port", insert 22. Everything else of the rule can be left blank.
or from the command li...
Python and pip, list all versions of a package that's available?
Given the name of a Python package that can be installed with pip , is there any way to find out a list of all the possible versions of it that pip could install? Right now it's trial and error.
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
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Jaap
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answered Feb 19 '11 at 3:50
Greg SnowGreg S...
How are the points in CSS specificity calculated
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Pekka's answer is practically correct, and probably the best way to think about the issue.
However, as many have already pointed out, the W3C CSS recommendation states that "Concatenating the three numbers a-b-c (in a number s...
Breadth First Vs Depth First
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These two terms differentiate between two different ways of walking a tree.
It is probably easiest just to exhibit the difference. Consider the tree:
A
/ \
B C
/ / \
D E F
A depth first traversal would visit the nodes in this order
A, B, D, C, E, F
Notice that yo...
How do I add a Maven dependency in Eclipse?
I don't know how to use Maven at all. I've been developing for a couple years with Eclipse and haven't yet needed to know about it. However, now I'm looking at some docs that suggest I do the following:
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SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
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mattrumamattruma
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