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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 do I change the string representation of a Python class? [duplicate]
...repr__(self):
return 'a'
a = A()
json.dumps(a)
produces
'""'
and not
'"a"'
as would be expected.
EDIT: answering mchicago's comment:
unicode does not have any attributes -- it is an immutable string, the value of which is hidden and not available from high-level Python code. The j...
Is there a way to only install the mysql client (Linux)?
Are there are any Linux mysql command line tools that don't require the entire mysql db installation package to be installed?
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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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