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Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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How to write logs in text file when using java.util.logging.Logger
...hrough logging.properties file. And it can be passed as JVM parameter ex : java -Djava.util.logging.config.file=/scratch/user/config/logging.properties
Details: https://docs.oracle.com/cd/E23549_01/doc.1111/e14568/handler.htm
Configuring the File handler
To send logs to a file, add FileHandler to...
How to iterate through range of Dates in Java?
...n a start and end date.
Please provide me guidance to achieve this using Java.
13 Answers
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How to test if a string is basically an integer in quotes using Ruby
...se the "0" makes it octal, and 9 is not a valid octal number. osdir.com/ml/lang.ruby.general/2002-08/msg00247.html
– Andrew Grimm
Aug 5 '09 at 23:25
20
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Encoding as Base64 in Java
I need to encode some data in the Base64 encoding in Java. How do I do that? What is the name of the class that provides a Base64 encoder?
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Java Delegates?
Does the Java language have delegate features, similar to how C# has support for delegates?
15 Answers
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How to format a duration in java? (e.g format H:MM:SS)
...duration in seconds using a pattern like H:MM:SS. The current utilities in java are designed to format a time but not a duration.
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How to convert java.sql.timestamp to LocalDate (java8) java.time?
In Java 8, how can I convert a Timestamp (in java.sql ) to a LocalDate (in java.time )?
3 Answers
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The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
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The R Language Definition is handy for answering these types of questions:
http://cran.r-project.org/doc/manuals/R-lang.html#Indexing
R has three basic indexing operators, with syntax displayed by the following examples
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Rename a file using Java
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Copied from http://exampledepot.8waytrips.com/egs/java.io/RenameFile.html
// File (or directory) with old name
File file = new File("oldname");
// File (or directory) with new name
File file2 = new File("newname");
if (file2.exists())
throw new java.io.IOException("fil...