Category: Windows 8.1

Importing old OpenCV modules from OpenCV 2 in Python on Windows

Some of the legacy modules like Horn Schunck Optical Flow in OpenCV 2.4 are located in “cv” instead of “cv2″ . To be cross-platform compatible, instead of doing import cv,cv2 I suggest doing import cv2 from cv2 import cv —————————————————- Further, in Windows running Anaconda Python 2.7 (or whatever Python 2.7 you choose), OpenCV is […]

Safely ejecting USB flash thumb drives in Linux

In Windows, we use safely remove devices when removing USB drives, as typical inexpensive flash drives write data quite slowly (less than 5MB/sec). This is because by default, Windows “write caches”, that is, Windows uses RAM to temporarily store files — making the copy/write operation appear done faster than it actually is. In Linux, the […]

Which format to use for sharing USB flash thumb drives and USB HDD

I have found that EXFAT is the most convenient format for sharing files between Mac/Linux/Windows/Android. EXFAT is supported from Windows XP through Windows 8.1 and beyond. EXFAT is supported on Mac OS X from 10.6.3 and newer [1]. EXFAT is supported on Linux from CentOS 5 and Ubuntu 10.04 and newer. EXFAT is supported from […]

Stop MATLAB high CPU usage on Idle (Windows/Mac/Linux)

For at least Matlab R2013a and R2013b, you may find that after opening the Matlab Help Browser (and even after closing just the Help Browser while keeping Matlab itself open), that Matlab uses 100% of one CPU core at about 25% duty cycle. You can try pasting this command into Matlab (it will persist, you […]

Xrdp on Ubuntu 12.04 through 14.04

Note: ubuntu-2d was REMOVED from Ubuntu 12.10 onward. So for Xrdp on Ubuntu 12.10 and newer, observe the specific steps below. For cases where you have to allow RDP users from Mac/Windows to connect to a linux machine, and for whatever reason you can’t install TightVNC on the Mac/Windows user PCs, you can try Xrdp, […]

Windows 8.1 on Virtualbox 4.2

You will need to have at least VirtualBox version 4.2.16, or you will get error like: Windows 8.1 preview installation fails: Your PC needs to restart | Please hold down the power button | Error Code 0x000000C4 And when setting up the VM, be sure to select Windows 8.1, not just Windows 8 ! Also, […]