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How do I count the number of occurrences of a char in a String?
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734
My 'idiomatic one-liner' for this is:
int count = StringUtils.countMatches("a.b.c.d", ".");
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Is it correct to use alt tag for an anchor link?
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130
Such things are best answered by looking at the official specification:
go to the specificati...
How can I apply a function to every row/column of a matrix in MATLAB?
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73
Many built-in operations like sum and prod are already able to operate across rows or columns, s...
Constructor initialization-list evaluation order
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3 Answers
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How do I change the working directory in Python?
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edited Jun 29 '17 at 3:53
Alan W. Smith
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ans...
Share variables between files in Node.js?
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answered Oct 13 '10 at 11:47
jmar777jmar777
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How to create a trie in Python
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edited Nov 24 '19 at 3:05
Boris
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answered Ju...
Rails: fields_for with index?
...y years ago, for a modern approach see:
https://stackoverflow.com/a/22640703/105403
This would actually be a better approach, following Rails documentation more closely:
<% @questions.each.with_index do |question,index| %>
<% f.fields_for :questions, question do |fq| %>
# ...
Rails: confused about syntax for passing locals to partials
...the code itself (actionpack/lib/base.rb, render() method in Rails 2; Rails 3 is different). It's a good exercise.
Furthermore, don't worry about "bothering" people on SO. That's why this site exists. I even learned something from this.
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How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
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edited Jun 6 '12 at 12:03
answered Apr 23 '09 at 1:28
Ati...