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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...
Count elements with jQuery
...alent, but the former is preferred. In fact, the latter is now deprecated and shouldn't be used in any new development.
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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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Adding attribute in jQuery
...ttr('name', 'value');
However, for DOM properties like checked, disabled and readonly, the proper way to do this (as of JQuery 1.6) is to use prop.
$('#someid').prop('disabled', true);
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How to sort the files according to the time stamp in unix? [closed]
...rt the files according to the time stamp in unix?
I need to sort the files and also based on time they created.
2 Answers
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How to remove a key from HashMap while iterating over it? [duplicate]
...oreCase(entry.getValue())){
iter.remove();
}
}
With Java 1.8 and onwards you can do the above in just one line:
testMap.entrySet().removeIf(entry -> "Sample".equalsIgnoreCase(entry.getValue()));
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List of Java processes
How can I list all Java processes in bash?
I need an command line. I know there is command ps but I don't know what parameters I need to use.
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Eclipse plugin for generating a class diagram [closed]
..., or atleast when I used them quite a few years back. You can use them to handcraft class diagrams though.
UMLet. I used this several years back. Appears to be in use, going by the comments in the Eclipse marketplace.
Violet. This supports creation of other types of UML diagrams in addition to clas...
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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