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How to join two sets in one line without using “|”
Assume that S and T are assigned sets. Without using the join operator | , how can I find the union of the two sets? This, for example, finds the intersection:
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How to comment lines in rails html.erb files? [duplicate]
Am a newbie to rails ,
please let me know the way to comment out a single line and also to comment out
a block of lines in *.html.erb files.
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convert String to DateTime
I need to parse following String into a DateTime Object:
30/Nov/2009:16:29:30 +0100
8 Answers
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What are the Dangers of Method Swizzling in Objective-C?
I have heard people state that method swizzling is a dangerous practice. Even the name swizzling suggests that it is a bit of a cheat.
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How to equalize the scales of x-axis and y-axis in Python matplotlib?
I wish to draw lines on a square graph.
4 Answers
4
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How to set a border for an HTML div tag
I am trying to define a border around a div tag in HTML. In some browsers the border does not appear.
9 Answers
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How to check permissions of a specific directory?
I know that using ls -l "directory/directory/filename" tells me the permissions of a file. How do I do the same on a directory?
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Open URL in same window and in same tab
I want to open a link in the same window and in the same tab that contains the page with the link.
14 Answers
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How to correct TypeError: Unicode-objects must be encoded before hashing?
I have this error:
10 Answers
10
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Convert data.frame column to a vector?
I have a dataframe such as:
11 Answers
11
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