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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
...eference to the class rather than instantiating the class.
So this should be:
import swineflu
fibo = swineflu.fibo() # get an instance of the class
fibo.f() # call the method f of the instance
A bound method is one that is attached to an instance of an object. An unbound method ...
CURL to access a page that requires a login from a different page
I have 2 pages: xyz.com/a and xyz.com/b . I can only access xyz.com/b if and only if I login to xyz.com/a first. If accessing xyz.com/b without going through the other, I simply get access denied (no redirect to login) via the browser. Once I login at xyz.com/a , I can access the other.
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What is the standard way to add N seconds to datetime.time in Python?
...tetime.time value in Python, is there a standard way to add an integer number of seconds to it, so that 11:34:59 + 3 = 11:35:02 , for example?
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How do you access the matched groups in a JavaScript regular expression?
...a string using a regular expression and then access that parenthesized substring:
22 Answers
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How do you count the number of occurrences of a certain substring in a SQL varchar?
I have a column that has values formatted like a,b,c,d. Is there a way to count the number of commas in that value in T-SQL?
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Using the field of an object as a generic Dictionary key
If I want to use objects as the keys for a Dictionary , what methods will I need to override to make them compare in a specific way?
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How can I provide multiple conditions for data trigger in WPF?
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Use MultiDataTrigger type
<Style TargetType="ListBoxItem">
<Style.Triggers>
<DataTrigger Binding="{Binding Path=State}" Value="WA">
<Setter Property="Foreground" Value="Red" />
</DataTrigger>
<MultiDataTrigger&...
ruby inheritance vs mixins
In Ruby, since you can include multiple mixins but only extend one class, it seems like mixins would be preferred over inheritance.
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Regular expression to match URLs in Java
I use RegexBuddy while working with regular expressions. From its library I copied the regular expression to match URLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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ggplot with 2 y axes on each side and different scales
I need to plot a bar chart showing counts and a line chart showing rate all in one chart, I can do both of them separately, but when I put them together, I scale of the first layer (i.e. the geom_bar ) is overlapped by the second layer (i.e. the geom_line ).
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