
Difference between Xms and Xmx and XX:MaxPermSize
-XX:MaxPermSize=size Sets the maximum permanent generation space size. This option was deprecated in JDK 8, and superseded by the -XX:MaxMetaspaceSize option. Sizes are …
c++ - .c vs .cc vs. .cpp vs .hpp vs .h vs .cxx - Stack Overflow
Historically, the first extensions used for C++ were .c and .h, exactly like for C.This caused practical problems, especially the .c which didn't allow build systems to easily differentiate C++ …
Regular Expression to validate xx-xxxxxxx or xxx-xx-xxxx
Sep 26, 2014 · string1 = xxx-xx-xxxx. or . string1 = xx-xxxxxxx . How can I make the regex accept both kinds of values for the same element? The x's represent numbers only. so total number …
How can I format a number as xxx-xx-xxxx? - Stack Overflow
Mar 27, 2017 · I am querying social security number data from a stored procedure and I would like to format it as a social security number in my stored procedure. How can I format xxxxxxxxx …
Increase heap size in Java - Stack Overflow
Mar 22, 2016 · -XX:MaxRAMPercentage=percent. The MaxRAMPercentage parameter allows setting the maximum heap size for a JVM running with a large amount of memory (greater …
Why are hexadecimal numbers prefixed with 0x? - Stack Overflow
Apr 19, 2010 · Short story: The 0 tells the parser it's dealing with a constant (and not an identifier/reserved word). Something is still needed to specify the number base: the x is an …
How to extract the direct facebook video url - Stack Overflow
Well i have not tried this in PHP, as per the facebook they have removed option in API to return source for the video, so i got it working using Python ;)
How to set the maximum memory usage for JVM? - Stack Overflow
I want to limit the maximum memory used by the JVM. Note, this is not just the heap, I want to limit the total memory used by this process.
java - Where dump is dumped, using ... - Stack Overflow
Jan 17, 2024 · I found it hard to decipher what is meant by "working directory of the VM". In my example, I was using the Java Service Wrapper program to execute a jar - the dump files were …
What does "javascript:void(0)" mean? - Stack Overflow
Aug 30, 2021 · The "javascript:void(0)" expression is used to prevent the browser from following the link.