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How to calculate moving average without keeping the count and data-total?

...d a way to calculate a moving cumulative average without storing the count and total data that is received so far. 8 Answer...
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nginx error connect to php5-fpm.sock failed (13: Permission denied)

I update nginx to 1.4.7 and php to 5.5.12 , After that I got the 502 error . Before I update everything works fine. 24 ...
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Validating parameters to a Bash script

... remember to set +e and use '-eq' instead of '==' for integer comparisons – guns Mar 31 '09 at 0:50 ...
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Why don't self-closing script elements work?

... XHTML 1 specification says: С.3. Element Minimization and Empty Element Content Given an empty instance of an element whose content model is not EMPTY (for example, an empty title or paragraph) do not use the minimized form (e.g. use <p> </p> and not <p />)...
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Simple regular expression for a decimal with a precision of 2

...t: \d+(\.\d{1,2})? Both assume that both have at least one digit before and one after the decimal place. To require that the whole string is a number of this form, wrap the expression in start and end tags such as (in Perl's form): ^\d+(\.\d{1,2})?$ To match numbers without a leading digit be...
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How can I check if a Perl array contains a particular value?

... can also add more (unique) params to the list: $params{$newparam} = 1; And later get a list of (unique) params back: @badparams = keys %params; share | improve this answer | ...
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Unable to read data from the transport connection : An existing connection was forcibly closed by th

I have a server app and sometimes, when the client tries to connect, I get the following error: 21 Answers ...
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Replace String in all files in Eclipse

... "Search"->"File" Enter text, file pattern and projects "Replace" Enter new text Voilà... share | improve this answer | follow ...
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What happens if you static_cast invalid value to enum class?

... What is color set to according to the standard? Answering with a quote from the C++11 and C++14 Standards: [expr.static.cast]/10 A value of integral or enumeration type can be explicitly converted to an enumeration type. The value is unchanged if the origina...
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How can i query for null values in entity framework?

...If this bug has affected you too, please visit the bug report on UserVoice and let Microsoft know that this bug has affected you as well. Edit: This bug is being fixed in EF 4.5! Thanks everyone for upvoting this bug! For backwards compatibility, it will be opt-in - you need manually enable a s...