Extracting .jar file with command line

From the docs: To extract the files from a jar file, use x, as in: To extract only certain files from a jar file, supply their filenames: The folder where jar is probably isn’t C:\Java for you, on my Windows partition it’s: Unless the location of jar is in your path environment variable, you’ll have to specify the full path/run the program from … Read more

LNK1168: cannot open debug\file.exe for writing

I have qt project but if I edit my code, Qt creator throws out this error :-1: error: LNK1168: cannot open debug\GettingStarted.exe for writing I’m not able even to delete the debug folder (i.e. as an administrator). I have to log off and then come back. What is the problem and how can I solve … Read more

Verify return code: 20 when testing OpenSSL

Your first error is – you need a certificate file. Or at least path to them, so that you can verify the OpenSSL.org certificate. Your second error – you don’t specify a file and -CAfile requires a single certificate (PEM or DER encoded). The easiest way to perform connection with OpenSSL.org: Download mozilla certificate bundle from here: http://curl.haxx.se/docs/caextract.html … Read more

What is the ‘realtime’ process priority setting for?

A realtime priority thread can never be pre-empted by timer interrupts and runs at a higher priority than any other thread in the system. As such a CPU bound realtime priority thread can totally ruin a machine. Creating realtime priority threads requires a privilege (SeIncreaseBasePriorityPrivilege) so it can only be done by administrative users. For … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)