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How do I use a PriorityQueue?
... // Assume neither string is null. Real code should
// probably be more robust
// You could also just return x.length() - y.length(),
// which would be more efficient.
if (x.length() < y.length()) {
return -1;
}
if (x.length() > y.len...
How do I auto-hide placeholder text upon focus using css or jquery?
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How to use sed/grep to extract text between two words?
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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
...my_date) %>
It's simple, it works, and is easy to build on. Just add more format lines in the date_format.rb file for each of your different date formats. Here is a more fleshed out example.
Time::DATE_FORMATS.merge!(
datetime_military: '%Y-%m-%d %H:%M',
datetime: '%Y-%m-%d %I...
rake db:schema:load vs. migrations
...e question here - if migrations can get slow and cumbersome as an app gets more complex and if we have the much cleaner rake db:schema:load to call instead, why do migrations exist at all?
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Capturing multiple line output into a Bash variable
...s (2) the unquoted version (echo $RESULT) replaces each sequence of one or more blanks, tabs and newlines with a single space. Thus (1) preserves the shape of the input variable, whereas (2) creates a potentially very long single line of output with 'words' separated by single spaces (where a 'word'...
Find a pair of elements from an array whose sum equals a given number
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What's the difference between unit tests and integration tests? [duplicate]
...her. Integration tests can cover whole applications, and they require much more effort to put together. They usually require resources like database instances and hardware to be allocated for them. The integration tests do a more convincing job of demonstrating the system works (especially to non-pr...
How do I convert a dictionary to a JSON String in C#?
...ries) + "}";
}
But, if you are serializing several different classes, or more complex data structures, or especially if your data contains string values, you would be better off using a reputable JSON library that already knows how to handle things like escape characters and line breaks. Json.NET...
Is there a way to get colored text in Github Flavored Markdown? [duplicate]
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