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1500 questions
133
votes
4 answers
Why can't VirtualBox or VMware run with Hyper-V enabled on Windows 10
I am running Windows 10 Pro 64 bit with Hyper-V and Intel VT-x virtualization technology enabled. When I try to run VirtualBox 64bit, Windows goes into a BSOD. When I run VMware it shows an error.
Why can't VirtualBox and VMware run with Hyper-V…
Biswapriyo
- 11,179
133
votes
9 answers
Why is Zip able to compress single file smaller than multiple files with the same content?
Suppose that I have 10,000 XML files. Now suppose that I want to send them to a friend. Before sending them, I would like to compress them.
Method 1: Don't compress them
Results:
Resulting Size: 62 MB
Percent of initial size: 100%
Method 2: Zip…
sixtyfootersdude
- 8,209
132
votes
1 answer
Cannot decompress .tar.xz file, getting "xz: Cannot exec: No such file or directory" from tar
Per How do I uncompress a tarball that uses .xz?, I tried tar xf php-5.6.0RC4.tar.xz and tar -xJf php-5.6.0RC4.tar.xz and in both cases I get the following:
tar (child): xz: Cannot exec: No such file or directory
tar (child): Error is not…
neubert
- 7,102
- 38
- 78
- 145
132
votes
17 answers
How to delete all files in a directory except some?
I need to delete all files in a directory, but exclude some of them. For example, in a directory with the files a b c ... z, I need to delete all except for u and p. Is there an easy way to do this?
Ashot
- 1,459
132
votes
9 answers
Excel - Prevent cell text from overflowing into next (empty) cell
When you have text in an Excel cell that is too long to be shown in the visible area of that cell, and the next cell on the right is empty, Excel lets the text be displayed in that next cell (and the next, and the next, as needed). I want to change…
e-mre
- 1,755
132
votes
8 answers
How can I resolve the error "cannot execute binary file"?
When I login using SSH, all I can see is this...
-bash: /usr/bin/id: cannot execute binary file
-bash: [: : integer expression expected
I couldn't do anything in here. Commands such as halt, poweroff, reboot will return command not found.
How can I…
superuser
- 4,087
132
votes
7 answers
SSH: The authenticity of host can't be established
What does this message mean? Is this a potential problem? Is the channel not secure?
Or is this simply a default message that is always displayed when connecting to a new server?
I am used to seeing this message when using SSH in the past: I…
Steven Lu
- 3,668
132
votes
2 answers
How to turn off Reload alerts?
In NotePad++, I generally run with a few files open. These are log files that are continually updating. I get annoyed when NotePad++ resumes focus and I get a stack of Reload popups informing me that some of my open files have been updated 'by…
akf
- 3,991
132
votes
6 answers
Formatting a comma-delimited CSV to force Excel to interpret value as a string
I've been searching around for a while trying to figure out how to output a CSV file in such a way to force Excel to interpret the values as a string and not try to convert them to numbers or dates.
e.g.:
"141", "10/11/2002", "350.00",…
Simon E.
- 4,057
132
votes
4 answers
How do file permissions apply to symlinks?
Let's say you have this structure:
+ directory
-- file1
-- file2
-- file3 -> /tmp/file3
file3 is a link to another file3 somewhere else on the system.
Now let's say I chmod 777 the directory and all contents inside it. Does my file3 in /tmp receive…
nopcorn
- 16,662
132
votes
1 answer
Why does my microSD card have a second row of contacts?
I bought a Lexar microSDXC card for my GoPro. It has a second row of contacts that other microSD cards don't have. The card came with a USB reader that uses those extra contacts, but it also works fine in other readers and devices like the…
Paul Tomblin
- 2,112
131
votes
10 answers
How to prevent Windows 10 waking from sleep when traveling in bag?
I am not turning laptop off, but rather putting into hibernation, as it starts much faster and I can continue working without starting all apps again.
It was working long time from Windows XP to Windows 8.1.
However now (after upgrade to Windows…
TN.
- 2,060
131
votes
3 answers
How can I enable WebGL in my browser?
I'd like to be able to use WebGL-based sites like Shadertoy, WebGL Earth, etc…
But those sites tell me that WebGL is disabled in my browser.
How can I enable WebGL so I can view these sites?
TachyonVortex
- 1,536
131
votes
7 answers
How can I create a file with a specific size from a command line?
How can I create a file (e.g. using the touch command or another similar way), but with a specific size (e.g. 14 MB)?
The use case is to test FTP with various file sizes. If we can create a file with a specific size, it will be useful to verify FTP…
fasil
- 1,371
131
votes
9 answers
How to get Excel to interpret the comma as a default delimiter in CSV files?
I have a number of .csv files. Some of them are comma delimited, some are tab delimited (maybe they should be called .tsv ...)
The csv extension gets associated with Excel when Excel is installed. However, if I open one of these files with excel,…
Szabolcs
- 2,917