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Regular Expression to validate xx-xxxxxxx or xxx-xx-xxxx 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 of digits = 9 (anything between 0-9) total number of elements in the value is either 11 or 10 depending on which format and total number of dashes is either 2 or 1
Difference between -XX:+PrintGC and -verbose:gc - Stack Overflow In JDK 8 -verbose:gc is an exact alias for -XX:+PrintGC However, -verbose:gc is a standard option, while -XX:+PrintGC is not -XX:+PrintGC is deprecated since JDK 9 in favor of unified logging option -Xlog:gc, see JEP 158 -verbose:gc still works in JDK 9 and 10
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-XX:MaxPermSize=size Sets the maximum permanent generation space size This option was deprecated in JDK 8, and superseded by the -XX:MaxMetaspaceSize option Sizes are expressed in bytes Append the letter k or K to indicate kilobytes, m or M to indicate megabytes, g or G to indicate gigabytes References: How is the java memory pool divided?
Decoding facebooks blob video url - Stack Overflow This method will get the video and its audio AS SEPARATE FILES The downloaded video will have no sound, but you will be able to download its audio file and connect it to the video in some video editing program if you need to In Google Chrome, go to Facebook Open the Chrome Developer Tools (F12) Go to the Network tab in the Developer Tools (it's at the top of the Developer Tools window
excel - Looking for XX XX@-@XX:XX@-@ in VBA - Stack Overflow 1 I would to like to remove all characters that have this format: XX XX@-@XX:XX@-@, where X could be any number I try to resolve that with this program: Sub Date_Time() ' ' It will looking for " " and delete 16 characters, starting 3 characters before " " ' It should remove all Date and Time in the file ' With Sheets("Get_Command") Select
What exactly does -XX:-TieredCompilation do? - Stack Overflow Using java -XX:+PrintFlagsFinal I found the TieredCompilation flag, and I read about it a bit online Yet, I still don't know exactly what happens when setting it to false I know that the compil
java - Is it possible to disable `-XX:+PrintCompilation` and `-verbose . . . Unfortunately, -XX:+PrintCompilation is not a manageable flag and does not obey Unified JVM Logging However, it's possible to change it, too I already showed in this answer how to modify a JVM flag externally using the Serviceability Agent Here is one more way to do this The idea is to find the memory address of the flag and modify the value right in the memory Below is an example how to
Is -XX:+UseG1GC the correct replacement for -Xincgc? So what's the equivalent replacement for it? -XX:+UseG1GC? Background: The application has a heap of 8GB and creates a lot of short living objects I noticed that it often paused for some seconds to do garbage collection Out of curiosity I added the -Xincgc and found that the pauses were gone and overall performance improved ~4 times