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Why does InetAddress.isReachable return false, when I can ping the IP address?
... IPv6 address. The bug is also fixed in Java 5.0 b22. Maybe isReachable is more reliable now days.
– Lii
Jan 23 at 15:10
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Test if string is a number in Ruby on Rails
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Grep and Sed Equivalent for XML Command Line Processing
... and sed". If you want the fancy, fancy goodness of XQuery... well, that's more like an XML equivalent to perl or awk. :)
– Charles Duffy
May 3 '12 at 22:23
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Cannot import XSSF in Apache POI
...b folder which is a subdirectory of POI folder
String fileName = "C:/File raw.xlsx";
File file = new File(fileName);
FileInputStream fileInputStream;
Workbook workbook = null;
Sheet sheet;
Iterator<Row> rowIterator;
try {
fileInputStream = new FileInputStream(file);
String fil...
SSL Error: unable to get local issuer certificate
...d on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I embed a YouTube video on GitHub wiki pages?
..._HERE/0.jpg)](https://www.youtube.com/watch?v=YOUTUBE_VIDEO_ID_HERE)
For more information about Markdown look at this Markdown cheatsheet on GitHub.
For more information about Youtube image links look this question.
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Extract file name from path, no matter what the os/path format
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How do I get whole and fractional parts from double in JSP/Java?
...y not 2.3. And there's nothing wrong with the output, unless you want much more than 10 valid digits. All you need is some rounding in each output (e.g., format %.9f) which is usually less pain than BigDecimal. The only problem here is the overflow.
– maaartinus
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How can I read a large text file line by line using Java?
...oblem I have with closures in Java 8 is that it very easily makes the code more complicated to read (as well as being slower) I can see lots of developers overusing it because it is "cool".
– Peter Lawrey
Dec 15 '13 at 10:33
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C fopen vs open
...not support the open function.
In my opinion the line ending translation more often gets in your way than helps you, and the parsing of fscanf is so weak that you inevitably end up tossing it out in favor of something more useful.
And most platforms that support C have an open function.
That lea...