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How to execute a Ruby script in Terminal?
...uby your_program.rb, you are supposed to substitute 'your_program.rb' with whatever the name is of your program. In this case, based on your error message, it is probably supposed to be ruby testapp.rb. Though @Robin is correct in that you need to be in the same directory as the Ruby file.
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How to export table as CSV with headings on Postgresql?
...nformant output, better to use "FORMAT csv" than "DELIMITER ','". not sure what version that arrived in though
– grahamrhay
Sep 23 '15 at 11:09
37
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z-index not working with fixed positioning
...the z-index doesn't know where and how to position it (and with respect to what?). Just change your over div's position to relative, so there is no side effects on that div and then the under div will obey to your will.
here is your example on jsfiddle: Fiddle
edit: I see someone already mentioned...
What is the difference between iterator and iterable and how to use them?
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I Understood this post, but what if I want to write a method whose return type is Iterable<T> then in this scenario what steps do we need to implement? Please suggest that example also.
– Prasanna Sasne
Jun 1...
What purpose does a tag serve inside of a tag?
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Can anyone pls explain what this code does?.. 86 upvotes and I have no idea what this code is about.. I m feeling dumb!..
– Lakshay
Aug 20 '14 at 6:55
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How do I copy a string to the clipboard on Windows using Python?
... @SurDin Tkinter was renamed tkinter in python 3, so it depends on what version you're using.
– Honest Abe
Mar 27 '12 at 0:53
24
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Under what circumstances are linked lists useful?
...amp;Java) with a (GC-ed) Node holding the items.)
Edit:
@Neil:
actually, what you mentioned about FORTRAN reminded me that the same kind of linked lists can be found in probably the most used and abused data structure in .NET:
the plain .NET generic Dictionary<TKey, TValue>.
Not one, but m...
Java 8: Lambda-Streams, Filter by Method with Exception
...he "sneaky throw" before, and I wanted to throw my chair out the window. "What? Where did that checked exception leak from?" This is the first legit use case for sneaky throw I have seen yet. As a programmer you have to be vigilant about indicating sneaky throw is possible. Maybe better is just...
backbone.js - events, knowing what was clicked
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This should be the answer. event.target only get you what is clicked.
– Metropolis
Nov 18 '16 at 2:59
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How to insert a text at the beginning of a file?
...o find how to add a line at the beginning of a file but that's not exactly what I want. I'll show it on a example
16 Answer...