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1500 questions
176
votes
10 answers

Two blue arrows at top right of icons

On some icons I am seeing a two blue arrows at the top the right pointing towards each other. I first noticed it on the icons on folders which I archived which happened randomly. I archived the folder and the text went blue as expected, then when…
Dominic JL
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175
votes
10 answers

How can a file size be zero?

Just something I ran into and couldn't think of a proper explanation. If I create an empty *.txt file on my PC and then look at its size, it shows 0. But how is that possible? I mean even if the file itself is empty, it still must have some size,…
Eugene S
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175
votes
8 answers

How is PNG lossless given that it has a compression parameter?

PNG files are said to use lossless compression. However, whenever I am in an image editor, such as GIMP and try to save an image as a PNG file, it asks for the compression parameter, which ranges between 0 and 9. If it has a compression parameter…
pkout
  • 1,901
175
votes
10 answers

Is there a convenient way to edit PATH in Windows 7?

I do not understand why Windows 7 is still adopting this stuffy dialog box? I feel uncomfortable when editing and looking-up a path in this narrow text box. Is there a convenient way to edit PATH in Windows 7? One item per row for example.
Display Name
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175
votes
4 answers

How to disable the screen orientation hotkeys in Windows (XP)?

I'm using Eclipse in Windows XP. One of my favorite shortcuts is CTRL+ALT+DOWN (or CTRL+ALT+UP) to duplicate a line. I just found that on this machine (XP ThinkPad, with NVIDIA graphics driver), this is has the effect of fliping the screen upside…
Eric Wilson
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175
votes
14 answers

How can I find out what motherboard is in my computer?

I want to find out the exact model of my computer's motherboard so that I can see what sort of memory chip, graphics cards and other components it supports. I'm using Windows 7 Ultimate 64-bit.
Assaf Lavie
  • 2,022
175
votes
13 answers

How to disable Ctrl+Shift keyboard layout switch (for the same input language) in Windows?

In Windows (XP at least), when there are two or more keyboard layouts for the same input language, pressing Ctrl+Shift switches the keyboard layout. Where can this be disabled or changed to another keystroke combination? A similar feature is…
Pedro Palhoto
  • 1,897
174
votes
1 answer

How do I get Notepad++ to associate a file type with a language?

I have associated .wxs files with Notepad++. So far so good. However, it doesn't remember that it should use XML syntax highlighting. How do I associate a file-type with a Language?
fredley
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174
votes
14 answers

Convert a column into a comma separated list

I have the task of creating a simple Excel sheet that takes an unspecified number of rows in Column A like this: 1234 123461 123151 11321 And make them into a comma-separated list in another cell that the user can easily copy and paste into another…
muncherelli
  • 2,495
174
votes
16 answers

How to wipe free disk space in Linux?

When a file is deleted, its contents may still be left in the filesystem, unless explicitly overwritten with something else. The wipe command can securely erase files, but does not seem to allow erasing free disk space not used by any files. What…
Alex B
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174
votes
2 answers

How can I tell how many bits my ssh key is?

I already created an ssh key for myself sometime in the past. I don't remember "how many bits" it is. How can I tell? I'm wondering because I'm using hosting at nearlyfreespeech.net and their faq says: Can I configure my ssh connection to use a…
yairchu
  • 1,915
173
votes
6 answers

How to download a website from the archive.org Wayback Machine?

I want to get all the files for a given website at archive.org. Reasons might include: the original author did not archived his own website and it is now offline, I want to make a public cache from it I am the original author of some website and…
user36520
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173
votes
16 answers

How to check which timezone in Linux?

Is there a way to check which time zone I'm currently in on Linux?
Hussy Hussain
173
votes
7 answers

How to uninstall Homebrew?

I’ve got some problems with the package manager, Homebrew. I can’t find how to remove it! Is it safe to remove whole /usr/local? Homebrew was installed somewhere in that directory.
holms
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172
votes
9 answers

How to rename user folder in Windows 8?

When I log in on a Windows 8 machine for the first time with my Microsoft Account (by providing an e-mail address), a new user folder is created: C:\Users\dzinx_000 In previous versions of Windows, I could choose the name of this folder (it was…
Dzinx
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