Author Archives: karsho

About karsho

I am Karthik, software engineer by profession. You can find and follow me, from Social Media or here. Google+

Increase maximum query size max_allowed_packet for MySQL

Some case we have to change the maximum query size of MySQL using max_allowed_packet Variable. Solution of this thing is the solution for “MySQL server has gone away” Error. 1. Open my.ini or my.cnf file under MySQL part under th … Continue reading

Posted in Wamp | Leave a comment

Step to delete a File or Folder in Python

Sometime we have to delete a file or folder/directory in python. Either its empty or contain anything, please find the following steps, To remove a file: os.remove() To remove an empty directory/folder: os.rmdir() To remove a directory and all its … Continue reading

Posted in General, Python | Leave a comment

[INSTALL_FAILED_ALREADY_EXISTS] Error when install or update APK-package

When you are going to install or re-install or update your APK-Package with your old data keep, please do the following things, Just use -r flag for that. For example, adb install -r myapp.apk Extra 1) you may use this … Continue reading

Posted in Android, Android Application, Update | Leave a comment

cURL error 60: SSL certificate: unable to get local issuer certificate

In Wamp server you will get following error by lot of times (like charge a credit card). cURL error 60: SSL certificate: unable to get local issuer certificate You may try like restarting the Server, ssl_module enabled, php_curl enabled,.. but … Continue reading

Posted in cURL, Error, local server, Wamp | Leave a comment

Perl module Error: Can’t locate Foo.pm(module) in @INC

When you are going to Install Perl’s module like Foo.pm, datetime.pm, expect.pm, etc., you may get following error, Can’t locate (module) in @INC For this Error, If you are using CPAN, For new installing module use like following code, perl … Continue reading

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