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How to improve web pages download in Firefox
If you're a Firefox user, then there's a easy way for you to speed up web pages loading up to 42% ! Just open your browser settings, go to Privacy and enable Tell sites that i do not want to be tracker. Former Mozilla software engineer Monica Chew and Computer Science…
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Docker selenium grid optimal configuration
Not so long time ago i was doing some research on how to make our Selenium tests to run in Grid. After some googling, i decided to try to run Selenium grid in Docker. All images can be found on Official Github page. But how to decide which configuration will…
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Thread safe singleton in Java
When we think about signleton, we think about something similar to this : public class OurClass { private static OurClass _instance; public static synchronized OurClass getInstance() { if (_instance == null) { _instance = new OurClass(); } return _instance; } But there's this synchronized word that makes code a bit slower. Before i thought that this is the…
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Magical fix for vagrant "Net::HTTPNotFound: No gems found matching" error
I was trying to make work one vagrant + selenium grid setup and faced with next problem : Net::HTTPNotFound: No gems found matching "vagrant-vmware-fusion" "2.4.1" nil After some googling i found a magical fix for it. Are you ready? Just try to install plugin one…
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Better option for common Java Thread.sleep()
Usually when i need to put some defined waits in Java( i know that it's not good practice, but sometimes it's actually what is needed) i use all well known Thread.sleep(), but what i don't like in this method is that you have to specify time duration in milliseconds.…
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Increasing IDE memory limit in IntelliJ IDEA on Mac
The time has come - at some point 700 Mb of RAM was not enough for one of Java projects i was working on and i decided to increase Java heap size memory to fix that. In older version of IDEA you would probably modify Info.plist file and put…