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How to convert a byte array to a hex string in Java?

...ere are many unprintable elements. What I need is the exact hexcode in the form of: 3a5f771c 27 Answers ...
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How to make “if not true condition”?

...ave written). Also, looking at your code as is, your use of the $( ... ) form of cmd-substitution is to be commended, but think about what is coming out of the process. Try echo $(cat /etc/passwd | grep "sysa") to see what I mean. You can take that further by using the -c (count) option to grep an...
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Position geom_text on dodged barplot

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Vertically centering a div inside another div [duplicate]

...lution with the widest support. Table-layout will impact your rendering performance so I would suggest that you use one of the more modern solutions. Here is an example Tested in: FF3.5+ FF4+ Safari 5+ Chrome 11+ IE9+ HTML <div class="cn"><div class="inner">your content</d...
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Checking from shell script if a directory contains files

... This worked for me, but I can't format this d*mn message!!! <br>export tmp=/bin/ls <some_dir>/* 2> /dev/null if [ ! -z "$tmp" ]; then echo Something is there fi – AndrewStone May 25 '11 at 20:00 ...
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Benefits of using the conditional ?: (ternary) operator

... Readability in the second example could easily be rectified with better formatting. But, as the OP is recommending, it comes down to readability and terseness versus verbosity. – Nathan Ernst Jul 22 '10 at 22:41 ...
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How can I reference the value of a final static field in the class?

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How can I check if a directory exists in a Bash shell script?

... It might be worth mentioning that as soon as the check has been performed the situation can have changed already due to other processes. In many cases it is better to just create or use the directory and react on a failure. – Alfe Sep 9 '13 at 11:51 ...
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Event binding on dynamically created elements?

...st really helped me get a grasp on a problem I was having loading the same form and getting 1,2,4,8,16... submissions. Instead of using .live() I just used .bind() in my .load() callback. Problem solved. Thanks! – theflowersoftime Aug 24 '11 at 9:24 ...
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What is the best way to paginate results in SQL Server

...ay (performance wise) to paginate results in SQL Server 2000, 2005, 2008, 2012 if you also want to get the total number of results (before paginating)? ...