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Why do we have map, fmap and liftM?
..., and has spent a lot of time helping people who are learning the language now, it's not at all clear that it even helped in any way. Certainly not enough to offset the useless redundancy (which itself leads to people asking questions like this one); the Functor class is too common to ignore, and be...
Reference one string from another string in strings.xml?
...g>
<string name="string_default">@string/string1</string>
Now you can use string_default everywhere in your code and you can easily change the default at any time.
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Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
I have a small MVC app that I use for practice reasons, but now I am encountering an error every time I try to debug:
18 An...
How can I parse a CSV string with JavaScript, which contains comma in data?
...caped \" double quote",
"three, with, commas",
"four with no quotes (now has)",
"five for fun"
];
let text = arrayToCSV(row);
console.log(text);
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How to save traceback / sys.exc_info() values in a variable?
...
try:
a = 1/0
except Exception,e:
exc_tuple = sys.exc_info()
Now If we print the tuple the values will be this.
exc_tuple[0] value will be "ZeroDivisionError"
exc_tuple[1] value will be "integer division or modulo by zero" (String passed as parameter to the exception class)
exc_tuple...
Breaking up long strings on multiple lines in Ruby without stripping newlines
...
Three years later, there is now a solution in Ruby 2.3: The squiggly heredoc.
class Subscription
def warning_message
<<~HEREDOC
Subscription expiring soon!
Your free trial will expire in #{days_until_expiration} days.
Plea...
What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
...you have answer my question :stackoverflow.com/questions/5350770/… . And now I am not sure the relationship holding,since I can not write more in the comment,so I post it here dpaste.de/J85m .Please have a check if possible.:)
– hguser
Mar 19 '11 at 13:30
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Difference between SelectedItem, SelectedValue and SelectedValuePath
...verlight? I don't believe I'm talking to you. :-)... I'm reading this book nowadays. Really an awesome work. :-)
– Nawaz
Feb 4 '11 at 20:14
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What's is the difference between include and extend in use case diagram?
...re sometimes” is a very common misconception which has almost taken over now as the de-facto meaning. Here’s a correct approach (in my view, and checked against Jacobson, Fowler, Larmen and 10 other references).
Relationships are dependencies
The key to Include and extend use case relationshi...
Spring MVC: How to perform validation?
I would like to know what is the cleanest and best way to perform form validation of user inputs. I have seen some developers implement org.springframework.validation.Validator . A question about that: I saw it validates a class. Does the class have to be filled manually with the values from the us...