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CSS Div stretch 100% page height

I have a navigation bar on the left hand side of my page, and I want it to stretch to 100% of the page height. Not just the height of the viewport, but including the areas hidden until you scroll. I don't want to use javascript to accomplish this. ...
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Maximum Year in Expiry Date of Credit Card

...ds they issue will expire. In fact they have been issuing cards for longer and longer periods of time. If you're trying to determine how far out into the future you should accommodate expiration dates for, err on the safe side and give your customers many years to choose from. That way you future pr...
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Converting newline formatting from Mac to Windows

...In conclusion, simply replace every occurence of \n by \r\n. Both unix2dos and dos2unix are not by default available on Mac OSX. Fortunately, you can simply use Perl or sed to do the job: sed -e 's/$/\r/' inputfile > outputfile # UNIX to DOS (adding CRs) sed -e 's/\r$//' inputfil...
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Python - write() versus writelines() and concatenated strings

So I'm learning Python. I am going through the lessons and ran into a problem where I had to condense a great many target.write() into a single write() , while having a "\n" between each user input variable(the object of write() ). ...
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How to download a file from server using SSH? [closed]

...edu:foobar.txt /local/dir replacing the username, host, remote filename, and local directory as appropriate. If you want to access EC2 (or other service that requires authenticating with a private key), use the -i option: scp -i key_file.pem your_username@remotehost.edu:/remote/dir/foobar.txt /l...
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Better way to check variable for null or empty string?

... // Function for basic field validation (present and neither empty nor only white space function IsNullOrEmptyString($str){ return (!isset($str) || trim($str) === ''); } share | ...
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Why can I throw null in Java? [duplicate]

...erException. In other words, throw checks that its argument is nonnull, and if it is null, it throws a NullPointerException. JLS 14.18 specifies this behavior: If evaluation of the Expression completes normally, producing a null value, then an instance V' of class NullPointerException is cre...
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How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?

... I would suggest an alternative regex, using sub-groups to capture name and value of the parameters individually and re.exec(): function getUrlParams(url) { var re = /(?:\?|&(?:amp;)?)([^=&#]+)(?:=?([^&#]*))/g, match, params = {}, decode = function (s) {return decodeURI...
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In log4j, does checking isDebugEnabled before logging improve performance?

...e when it involves invocation of the toString() methods of various objects and concatenating the results. In the given example, the log message is a constant string, so letting the logger discard it is just as efficient as checking whether the logger is enabled, and it lowers the complexity of the ...
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Checkout multiple git repos into same Jenkins workspace

Using Jenkins 1.501 and Jenkins Git plugin 1.1.26 9 Answers 9 ...