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Confusion between factor levels and factor labels

...ends? – donodarazao May 3 '11 at 13:02 6 I would often transform the levels right before plotting...
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Regular expression to allow spaces between words

... tl;dr Just add a space in your character class. ^[a-zA-Z0-9_ ]*$   Now, if you want to be strict... The above isn't exactly correct. Due to the fact that * means zero or more, it would match all of the following cases that one would not usually mean to match: An empty str...
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Get Base64 encode file-data from Input Form

... +50 It's entirely possible in browser-side javascript. The easy way: The readAsDataURL() method might already encode it as base64 for yo...
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is it possible to select EXISTS directly as a bit?

...o, you'll have to use a workaround. If you must return a conditional bit 0/1 another way is to: SELECT CAST( CASE WHEN EXISTS(SELECT * FROM theTable where theColumn like 'theValue%') THEN 1 ELSE 0 END AS BIT) Or without the cast: SELECT CASE WHEN EXISTS( SELECT 1 FROM the...
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Large Numbers in Java

...a.math package. Example: BigInteger reallyBig = new BigInteger("1234567890123456890"); BigInteger notSoBig = new BigInteger("2743561234"); reallyBig = reallyBig.add(notSoBig); share | improve thi...
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“Full screen”

... 10 Answers 10 Active ...
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What does !important mean in CSS?

... | edited May 5 '16 at 23:03 ovgolovin 11.7k44 gold badges3434 silver badges7575 bronze badges answered ...
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How do I change the formatting of numbers on an axis with ggplot?

...the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a proper exponent notation would also be acceptable. ...
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Deleting all pending tasks in celery / rabbitmq

... 303 From the docs: $ celery -A proj purge or from proj.celery import app app.control.purge() ...
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Timeout a command in bash without unnecessary delay

...at you are asking for: http://www.bashcookbook.com/bashinfo/source/bash-4.0/examples/scripts/timeout3 #!/bin/bash # # The Bash shell script executes a command with a time-out. # Upon time-out expiration SIGTERM (15) is sent to the process. If the signal # is blocked, then the subsequent SIGKILL (9...