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How to refer environment variable in POM.xml?
I am using maven as build tool. I have set an environment variable called env . How can I get access to this environment variable's value in the pom.xml file?
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Erlang's 99.9999999% (nine nines) reliability
Erlang was reported to have been used in production systems for over 20 years with an uptime percentage of 99.9999999%.
4 ...
Python extending with - using super() Python 3 vs Python 2
Originally I wanted to ask this question , but then I found it was already thought of before...
5 Answers
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How do I find duplicates across multiple columns?
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Duplicated id for pairs name and city:
select s.id, t.*
from [stuff] s
join (
select name, city, count(*) as qty
from [stuff]
group by name, city
having count(*) > 1
) t on s.name = t.name and s.city = t.c...
When to use an object instance variable versus passing an argument to the method
How do you decide between passing arguments to a method versus simply declaring them as object instance variables that are visible to all of the object's methods?
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List all the modules that are part of a python package?
Is there a straightforward way to find all the modules that are part of a python package? I've found this old discussion , which is not really conclusive, but I'd love to have a definite answer before I roll out my own solution based on os.listdir().
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Ruby custom error classes: inheritance of the message attribute
I can't seem to find much information about custom exception classes.
4 Answers
4
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What happens to a github student account's repositories at the end of 2 years?
I just got upgraded to a free github micro plan using my university email address. I'm planning to use the private repositories for some class projects this semester, but I'm wondering what will happen to those repositories at the end of 2 years when my free student upgrade expires. I'm assuming it'...
Conditional HTML Attributes using Razor MVC3
The variable strCSSClass often has a value but sometimes is empty.
3 Answers
3
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What is the Scala identifier “implicitly”?
I have seen a function named implicitly used in Scala examples. What is it, and how is it used?
3 Answers
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