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Where can I find the Java SDK in Linux after installing it?
I installed JDK using apt-get install but I don't know where my jdk folder is. I need to set the path for that. Does any one have a clue on the location?
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What is Persistence Context?
...nd JPA. I was studying JPA and came across many new terms like Entity, persistence. While reading, I could not understand the exact definition for Persistence Context .
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How do I find where JDK is installed on my windows machine?
I need to know where JDK is located on my machine.
22 Answers
22
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...w performance of C++ standard library iostreams, I get met with a wave of disbelief. Yet I have profiler results showing large amounts of time spent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer management does give an...
Unknown file type MIME?
... specify a MIME type if the uploaded file has no extension?
In other words is there a default general MIME type?
3 Answers
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Reusing output from last command in Bash
Is the output of a Bash command stored in any register? E.g. something similar to $? capturing the output instead of the exit status.
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Hiding the scroll bar on an HTML page
Can CSS be used to hide the scroll bar? How would you do this?
21 Answers
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Different floating point result with optimization enabled - compiler bug?
The below code works on Visual Studio 2008 with and without optimization. But it only works on g++ without optimization (O0).
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How to convert currentTimeMillis to a date in Java?
I have milliseconds in certain log file generated in server, I also know the locale from where the log file was generated, my problem is to convert milliseconds to date in specified format.
The processing of that log is happening on server located in different time zone. While converting to "SimpleD...
How do I get the number of elements in a list?
...es. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
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