Building real-time chat app using WebSockets with AWS API Gateway and Lambda
We can build many real-time applications such as chat applications, multiplayer games, financial trading platforms, and collaboration platforms using WebSockets with AWS API Gateway, Lambda, and dynamoDB. In this blog we will learn how to build real-time applications using WebSockets
Evince – PDF file print problems on SuSE
Evince is default document viewer for PDF files on SuSE 10.2. I tried to print pdf files opened in Evince but could not get them to print. Sometimes no error is reported (not even in CUPS error log) but document
Eclipse 3.3.1 – Server did not start after 50s
If you face this error – fix is to change “server timeout delay” under Window > Preferences > Server to higher value. From ‘normal’ I changed that to ‘long’. Server started up in 55s, but still I received similar error
install CUPS-PDF on SuSE 64-bit
What is CUPS-PDF CUPS-PDF acts as a virtual printer but instead of printing hard copies of your files, it prints PDF files as output. It appears as a printer under printer list on your machine, and if you select that
JBoss 5 Profile Creation Problem – Eclipse
If you face problem “mail.jar not found” on configuring JBoss 5 profile in Eclipse then the reason is JBoss 5 moved server/default/lib*.jar to server/common/lib folder. Fix for this problem is to change jboss5.serverdef under eclipse (${ECLIPSE_HOME}/plugins/org.eclipse.jst.server.generic.jboss_1.5.105.v200709061325/servers on my machine). Replace