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Rails get index of “each” loop [duplicate]
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The two answers are good.
And I also suggest you a similar method:
<% @images.each.with_index do |page, index| %>
<% end %>
You might not see the difference between this and the accepted answer. Let me direct your eyes to these method c...
How can I print each command before executing? [duplicate]
What is the best way to set up a Bash script that prints each command before it executes it?
4 Answers
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How to sort ArrayList in decreasing order?
...ons.reverse(list);
Or you could implement your own Comparator to sort on and eliminate the reverse step:
list.sort((o1, o2) -> o2.compareTo(o1));
Or even more simply use Collections.reverseOrder() since you're only reversing:
list.sort(Collections.reverseOrder());
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Check whether a value is a number in JavaScript or jQuery [duplicate]
...ic string with trailing letters the parseFloat | parseInt will return true and the second check isFInite will return false. While with unary + it will fail immediately.
– Arman McHitarian
May 20 '13 at 16:29
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QUnit vs Jasmine? [closed]
...it is very easy to get started with, as you only need to include two files and a little bit of markup, then you can start writing tests.
Jasmine strength, afaik is its BDD-style syntax, if that is something that you prefer (probably not a selling point for you) and tight integration into Ruby/Rails...
Is dp the same as dip? [duplicate]
...ce, its just an alias.
Documentation:
The compiler accepts both "dip" and "dp", though "dp" is more consistent with "sp".
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sed fails with “unknown option to `s'” error [closed]
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The problem is with slashes: your variable contains them and the final command will be something like sed "s/string/path/to/something/g", containing way too many slashes.
Since sed can take any char as delimiter (without having to declare the new delimiter), you can try using anot...
Is Javascript compiled or an interpreted language? [closed]
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Go and read the answers to this question
https://softwareengineering.stackexchange.com/questions/138521/is-javascript-interpreted-by-design
The answer I accepted is excellent and should help answer your question.
For me perso...
How do I exit the results of 'git diff' in Git Bash on windows? [duplicate]
...- add other key combinations that are more intuitive to users (like Escape and Ctrl+C) -- or gods forbid, just let it exit normally (and if the user really needs paging, let them pipe it through "less" or "more", etc.).
– BrainSlugs83
Apr 17 '15 at 3:51
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Temporarily change current working directory in bash to run a command [duplicate]
I know I can use cd command to change my working directory in bash.
3 Answers
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