Super User Weekly Newsletter - Tuesday, October 27, 2015

Top new questions this week: Unplugging USB hard drive can damage computer? Seriously? I'm reading through the manual for a Samsung portable USB hard drive, and I've come across this warning: Detaching the USB cable while file transfer is in progress can damage your computer ... usb external-hard-drive   asked by misha256 63 votes answered by JakeGould 100 votes Can a PC emulate itself? This question is rather theoretical: Suppose I have a PC with two different OS on two different partitions: OS1 on sda1 and OS2 on sda2. Is it somehow possible to set up a program like VMWare or ... virtualbox vmware virtualization   asked by Wauzl 28 votes answered by grawity 33 votes Mark file as "uncommitable" with Git I want to show off some of my work by uploading them to my GitHub account. However, there are some files that contain passwords, like database connections. Is there a way of marking a file as ... git github   asked by Adam Carter 26 votes answered by JakeGould 45 votes How do I more efficiently reinstall Windows? My workflow for reinstalling Windows is cumbersome. It includes things from extracting the key from the old installation, to the actual installation process, which involves popping in the relevant ... windows reinstall workflow   asked by IQAndreas 15 votes answered by Journeyman Geek 7 votes How do I specify an IPv6 address in the X Window DISPLAY variable? I'm trying to export a DISPLAY variable containing a numeric IPv6 address. What format would the variable take, since IPv6 addresses contain :, which normally is used for the display number? Googling ... xorg environment-variables ipv6 x-windows   asked by Kenneth Aalberg 6 votes answered by Steven 4 votes Is USB 3.0 4.8 Gbit/s or 5.0 Gbit/s? Some sites selling cables list the USB 3.0 transfer rate possible at up to 4.8 Gbit/s whereas others say speeds upto 5.0 Gbit/s. Are they rounding up when they list it as up to ... usb   asked by ben1 6 votes answered by alex.forencich 9 votes Excel Countif 0, 00, 000 separate entries I want to count 0, 00 and 000 in my data which is formatted as TEXT but the countif() formula gives me same value for each of the three search criteria. Please find the attached image for more ... microsoft-excel countif   asked by ABR 5 votes answered by CFreitas 3 votes Greatest hits from previous weeks: Remove auto-complete field entries in Google Chrome Is there a way to stop the gmail address field (on the login page) from displaying all the gmail addresses that you have ever typed in it? When logging in with Google Chrome or trying to set up a ... google-chrome browser autocomplete forms   asked by NT. 81 votes answered by heavyd 110 votes What is the $WINDOWS.~BT folder? There is a folder named $WINDOWS.~BT on the root of my C:\ drive. It is a hidden folder and is 75 MB in size. What is its purpose? Is it safe to delete it? windows windows-10-upgrade windows-10   asked by Chin 39 votes answered by Quelklef 32 votes Can you answer these? Why does "exec non-existent-file" exits the shell when in a script that is sourced? The documentation for exec says that it will exit the shell in case of error if the current shell is non-interactive and execfail option is not set. I noticed a strange behavior in an interactive ... bash   asked by Alexey Alexandrov 4 votes How to solve the error "Code: 0x0000000A" while installing Windows 8.1 with enabled VT-x I am using VirtualBox 5.0.0 for Windows hosts I have same problem as described here but my VT-x is enabled in BIOS. But my virtual box thinks other way. windows-8 virtualbox virtualization   asked by OrangeFoxUA 2 votes Open URL in text selected in field or on page, in separate tab in Opera I have just migrated from Google Chrome to Opera and one of the Chrome's functions, that I miss the most is the Go to [url] item in context menu, when I select a piece of text on page or in any field, ... google-chrome browser-addons opera   asked by trejder 2 votes

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