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How does the Comma Operator work
...semicolon. The difference is that two expressions separated by a semicolon form two separate statements, while comma-separation keeps all as a single expression. This is why comma operator is sometimes used in the following scenarios:
C syntax requires an single expression, not a statement. e.g. i...
Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill?
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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 $(cat /etc/passwd | grep "sysa") to see what I mean. You can take that further by using the -c (count) option to grep an...
Are class names in CSS selectors case sensitive?
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BoltClock♦BoltClock
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Position geom_text on dodged barplot
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Vertically centering a div inside another div [duplicate]
...lution with the widest support. Table-layout will impact your rendering performance so I would suggest that you use one of the more modern solutions.
Here is an example
Tested in:
FF3.5+
FF4+
Safari 5+
Chrome 11+
IE9+
HTML
<div class="cn"><div class="inner">your content</d...
Checking from shell script if a directory contains files
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This worked for me, but I can't format this d*mn message!!! <br>export tmp=/bin/ls <some_dir>/* 2> /dev/null if [ ! -z "$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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