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Difference between StringBuilder and StringBuffer
What is the main difference between StringBuffer and StringBuilder ?
Is there any performance issues when deciding on any one of these?
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Serializing an object as UTF-8 XML in .NET
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Result:
<?xml version="1.0" encoding="utf-8"?>
<Test xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<X>0</X>
</Test>
Note the declared encoding of "utf-8" which is what we wanted, I believe.
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PyLint, PyChecker or PyFlakes? [closed]
...ons in PEP 8.
It is now super easy to check your code against pep8.
See http://pypi.python.org/pypi/pep8
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const vs constexpr on variables
...eUploader: {
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Using numpy to build an array of all combinations of two arrays
I'm trying to run over the parameters space of a 6 parameter function to study it's numerical behavior before trying to do anything complex with it so I'm searching for a efficient way to do this.
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Manipulate a url string by adding GET parameters
...ategory=1';
} else {
$url .= '?category=1';
}
More advanced
$url = 'http://example.com/search?keyword=test&category=1&tags[]=fun&tags[]=great';
$url_parts = parse_url($url);
// If URL doesn't have a query string.
if (isset($url_parts['query'])) { // Avoid 'Undefined index: query'...
Response Content type as CSV
I need to send a CSV file in HTTP response. How can I set the output response as CSV format?
11 Answers
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int to hex string
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How to escape text for regular expression in Java
Does Java have a built-in way to escape arbitrary text so that it can be included in a regular expression? For example, if my users enter "$5", I'd like to match that exactly rather than a "5" after the end of input.
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how to permit an array with strong parameters
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This https://github.com/rails/strong_parameters seems like the relevant section of the docs:
The permitted scalar types are String, Symbol, NilClass, Numeric, TrueClass, FalseClass, Date, Time, DateTime, StringIO, IO,
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