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Static methods in Python?
...e able to call the method as ClassName.methodName(), as if it was a static one, and then no selfwill be provided to the method. As you said, it will still be possible to also call this method as ClassInstance.methodName(), and self will be provided as the first parameter, regardless of its name.
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What is a Portable Class Library?
...re a very useful constraint to impose on onself in cross-device scenarios.
One of the libraries mentioned wrt that is the excellent MvvmCross which is discussed in a separate Tablet Show Episode 71 with it's author @Stuart Lodge. Only minor tweaking as described by Stuart here to environment setup i...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
...i.bak …. If you don't do this, the script will not operate correctly on one of the two platforms. GNU sed does not like the empty argument that the BSD sed requires to edit in place; you can't attach the empty argument to -i because it is empty and indistinguishable from -i. Also, thanks to con...
How does one parse XML files? [closed]
...List girlAge = xmlDoc.GetElementsByTagName("gAge");
XmlNodeList girlCellPhoneNumber = xmlDoc.GetElementsByTagName("gPhone");
// Display the results
Console.WriteLine("Address: " + girlAddress[0].InnerText);
Console.WriteLine("Age: " + girlAge[0].InnerText);
Console.WriteLine("Phone Number: " + gir...
How can I combine hashes in Perl?
... complex nested variables
Pitfalls
What do to when both hashes contain one or more duplicate keys
(see e.g., Perl - Merge hash containing duplicate keys)
(see e.g, Perl hashes: how to deal with duplicate keys and get possible pair)
Should a key-value pair with an empty value ever overwrite a ...
What are these ^M's that keep showing up in my files in emacs?
... full-file conflicts of nearly identical files in git because each line of one branch has a ^M appended to it.
14 Answers
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Determine the number of NA values in a column
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In the summary() output, the function also counts the NAs so one can use this function if one wants the sum of NAs in several variables.
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mysql -> insert into tbl (select from another table) and some default values [duplicate]
As the title says, I am trying to insert into one table selecting values from another table and some default values.
5 Ans...
Android 4.2: back stack behaviour with nested fragments
...d on @Sean answer above.
As @AZ13 said, this solution is only feasible in one level child fragments situations. In multiple level fragments case, works become a little complex, so I recommend that try this solution only the feasible case I have said. =)
Note: Since getFragments method is now a pri...
psql: FATAL: Ident authentication failed for user “postgres”
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one command restart postgresql: /etc/init.d/postgresql restart
– Tyler Long
Nov 23 '11 at 2:44
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