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Left align two graph edges (ggplot)

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How to log something in Rails in an independent log file?

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How to drop all user tables?

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How to calculate the number of occurrence of a given character in each row of a column of strings?

... yeah, I also did, stringsAsFactors=TRUE on my comp, but didn't mention this – tim riffe Sep 14 '12 at 20:31 ...
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Optional Parameters in Go?

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Using column alias in WHERE clause of MySQL query produces an error

... yet be determined. Copied from MySQL documentation As pointed in the comments, using HAVING instead may do the work. Make sure to give a read at this WHERE vs HAVING though. share | improve th...
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How do I compare two DateTime objects in PHP 5.2.8?

... The following seems to confirm that there are comparison operators for the DateTime class: dev:~# php <?php date_default_timezone_set('Europe/London'); $d1 = new DateTime('2008-08-03 14:52:10'); $d2 = new DateTime('2008-01-03 11:11:10'); var_dump($d1 == $d2); var_du...
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch

... A comment first. The question was about not using try/catch. If you do not mind to use it, read the answer below. Here we just check a JSON string using a regexp, and it will work in most cases, not all cases. Have a look arou...
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Convert timestamp in milliseconds to string formatted time in Java

... Comment: HH will print the hour at that date (0-23), not the total amount of hours elapsed since 1970. Just sayin'. – JohnyTex Aug 19 '14 at 11:41 ...
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Changing every value in a hash in Ruby

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