226
votes
11answers
373k views

How to force refresh without cache in Google Chrome? [duplicate]

Does Chrome have an equivalent to Firefox's Ctrl+F5 refresh? I can't seem to find one. I changed my gravatar last night, and I can see the new one in Firefox after a Ctrl+F5 refresh, but Chrome seems ...
226
votes
7answers
255k views

Can I delete the the folder C:\ProgramData\Package Cache\?

There is a new folder full of installers located at C:\ProgramData\Package Cache\. I believe this is from visual studio 2012 RC. Does anyone know if I can delete these GB of data without ...
223
votes
10answers
242k views

Getting curl to output HTTP status code?

I'm using curl at the command line on Linux to issue HTTP requests. The response bodies are printed to standard out, which is fine, but I can't see from the man page how to get curl to print the ...
223
votes
8answers
69k views

How can I prevent Ask.com Toolbar from being installed every time Java is updated?

As many are painfully aware of, Oracle continues to not only bundle the Java installation with the useless Internet browser toolbar from Ask.com, but also enable its installation by default. In ...
222
votes
9answers
316k views

Find out which process is locking a file or folder in Windows

How can I find out which process is locking a file or folder in Windows? For instance, when trying to delete a folder, Windows reports this: The action can't be completed because the folder is ...
222
votes
13answers
401k views

How can I send a Ctrl+Alt+Delete through Remote Desktop in Windows 8?

I need to send a CtrlAltDelete to a remote machine through Remote Desktop. The CtrlAltDelete is being intercepted by Windows 8, regardless of whether the remote desktop has focus or is in full screen. ...
222
votes
2answers
222k views

How to remove an entry from Chrome's Remembered URLs from the url bar?

I've got a URL in Chrome "local.mysite.com" that autopopulates when I start typing "local.my" into the URL bar. Note that this URL DOES NOT EXIST in my browser history (at chrome://history/#e=1&p=...
221
votes
4answers
295k views

What are PATH and other environment variables, and how can I set or use them?

Questions about setting environment variables the PATH are very common here, and in most cases the answers are very similar to each other. In the future it would be nice to have a good Q/A for ...
220
votes
6answers
239k views

Inverting direction of mouse scroll wheel

Is there a way to make a mouse scroll wheel invert its direction? I'd like to scroll upwards and have that action scroll downwards and vice-versa. There is no setting on the Mouse control panel that ...
218
votes
7answers
14k views

Purpose of a “mystery key” on an IBM PC 3270 keyboard

A colleague has just come into possession of a large number of IBM PC 3270 keyboards (don't ask!). These keyboards have a number of very interesting looking keys, but the one that most intrigued us ...
217
votes
7answers
30k views

Is it possible to run a motherboard in distilled water?

I have read that distilled water doesn't conduct electricity. This, in other words, means that we can submerge electronic devices like PCs/laptops in it and run them without any problem. I haven't ...
217
votes
1answer
296k views

How to remove one or all auto-complete text entries in Chrome? [duplicate]

Possible Duplicate: Remove auto-complete field entries in Google Chrome Ok... so this is embarrassing. I typed in "boobs" on EncyclopediaDramatica's search because, well, it's a really funny ...
216
votes
10answers
203k views

How to tell git which private key to use?

ssh has the -i option to tell which private key file to use when authenticating: -i identity_fileSelects a file from which the identity (private key) for RSA or DSA authentication is read.  ...
216
votes
5answers
532k views

How can I display the contents of an environment variable from the command prompt in Windows 7?

In Windows 7, when I start the Command prompt, is there any command to display the contents of an environment variable (such as the JAVA_HOME or PATH variables)? I have tried with echo $PATH, echo ...
215
votes
15answers
49k views

Is there a modern browser that runs on Windows 3.1?

Ok, so I know what you are thinking: "What on earth are you doing still running Windows 3.1?" Here's the situation. The computer running 3.1 is also the controller for $150,000 bandsaw made in ...
215
votes
4answers
8k views

Stop MS Word from selecting more than I want

I would like to just select (¬Q) without word selecting both brackets. I know if I move my cursor back to the same position word will select correctly, but it's annoying to have to do that every time....
213
votes
13answers
68k views

How do I reorder tmux windows?

In screen, I can just type C-a :number 0 to move a window to the top of the window list and push all the other windows down one. What's the equivalent command sequence for tmux? I looked at the man ...
212
votes
2answers
108k views

“directory junction” vs “directory symbolic link”?

MKLINK [[/D] | [/H] | [/J]] Link Target /D Creates a directory symbolic link. Default is a file symbolic link. /H Creates a hard link instead of a symbolic link. /J Creates ...
209
votes
14answers
185k views

How do you list all processes on the command line in Windows?

Is there a command equivalent to 'ps' on Unix that can list all processes on a Windows machine?
208
votes
10answers
236k views

How to check which apache modules are enabled/installed?

Which is the most elegant way to check which apache modules are enabled?
207
votes
2answers
5k views

How do I reset the time on my computer without turning it on?

Alright, so today, I did something very stupid: Do an experiment on my computer without backing it up. So I saw that the calendar in Windows could only go up to 12/31/2999 (or something like that). ...
206
votes
18answers
398k views

How can I download an entire website?

How can I download all pages from a website? Any platform is fine.
202
votes
2answers
76k views

Assigning custom extensions to a language's syntax highlighting in Notepad++

In the current version of Notepad++ opening .sql files results in Notepad applying SQL syntax highlighting to it. I'd like Notepad++ to do the same for other extensions as well, is there some setting ...
201
votes
6answers
115k views

How to control Windows 7 snap feature with two monitors?

There is the Snap feature in Windows 7. But it seems to not work when dragging window to the edge that are adjoin to the second monitor. How to make it working? May be some regedit cheat or something?
201
votes
10answers
57k views

Is there still a reason to choose a 10,000 RPM hard drive over an SSD?

For anyone who's serious about storage performance, SSDs are always the fastest solution. However, WD still makes their 10,000 RPM VelociRaptor hard drives, and a few enthusiasts even use enterprise-...
200
votes
5answers
496k views

How do I get the distinct/unique values in a column in Excel?

If I have a column with values, and I want to find out what distinct values are in there (not how many - but the actual distinct values), how can I do that? In SQL Server I would do something like ...
199
votes
1answer
24k views

I am a victim of the Petya ransomware. Is there a solution to decrypt my disk?

My computer got encrypted by the Petya ransomware. After a long search I could not find a solution other than using file recovery software. This helps a bit, but I am wondering if there is a way to ...
197
votes
12answers
40k views

How can I change to the previous directory instead of going up?

I currently spend a lot of my working hours moving back and forth between two paths which are very far down the tree and divert from each other at root. It strikes me that my life would be a lot ...
197
votes
6answers
106k views

Should laptops remain plugged in when their battery is 100% charged?

When your laptop's battery is 100% charged, should you leave it plugged in so any battery power doesn't get used, or will that cause overcharging, overheating, etc.? Should the laptop be unplugged ...
195
votes
18answers
275k views

Move an off-screen window back on-screen on Mac OS X

It seems that Mac OS X 10.6.1 Snow Leopard has a tendency to leave some windows off-screen at times, especially when I disconnect an external monitor from my MacBook. How can I move the window back on-...
194
votes
6answers
94k views

How can one turn off spell checking in Notepad++?

Notepad++ recently added built-in support for spell checking, and it is enabled by default. Where can I turn it off?
193
votes
10answers
87k views

Get colors in 'less'' command

when I read a file in Linux with the command 'less' or 'more', how can I get the content in colors?
192
votes
4answers
130k views

How to pin either a Shortcut or a Batch file to the new Windows 7, 8 and 10 Taskbar and start menu?

We are having trouble adding our batch scripts to the Windows 7, 8 or 10 taskbar or start menu. Our batchfiles take some arguments and just execute other application based on those arguments . To ...
191
votes
9answers
14k views

How far will you get with an 'rm -rf /' command?

I've often wondered how far the system will actually get if you run rm -rf /. I doubt the OS would be able to erase itself (?) Bonus Question: After the command has been executed, will rm have ...
189
votes
19answers
39k views

32-bit vs. 64-bit systems

What are the differences between 32-bit and 64-bit systems? If you have used both of them, what kind of sharp differences have you experienced? Would it be a problem to use 32-bit programs on 64-...
189
votes
18answers
24k views

What is the advantage of using 'tar' today?

I know that tar was made for tape archives back in the day, but today we have archive file formats that both aggregate files and perform compression within the same logical file format. Questions: ...
189
votes
4answers
13k views

What is the purpose of the holes marked “Do Not Cover” on hard drives?

On many hard drives, there's a text warning to "not cover this hole", sometimes adding that doing so will void the warranty. What is the purpose of this hole and why would covering it cause damage or ...
188
votes
17answers
164k views

How to delete directories with path/names too long for normal delete

Windows seems to have a length limit on file names when trying to delete, though it won't prevent those files from being created. Our build process creates a number of temporary files (many build off ...
188
votes
6answers
158k views

How can I delete a symbolic link?

I created a symlink using mklink. Now I need to change it but I can't figure out how to delete it so I can recreate it correctly.
187
votes
7answers
161k views

How to list files of a Debian package without install

This command can only list contents of installed packages, dpkg -L PACKAGENAME but how to list contents of a non-installed package, to preview/examine the package?
185
votes
10answers
37k views

How to copy text from Console2?

I just started using Console2 as an alternative to cmd.exe I can't figure out how to copy text from the console to the clipboard -- dragging over it with the mouse won't mark anything, and there is ...
184
votes
14answers
173k views

How do I detach a process from Terminal, entirely?

I use Tilda (drop-down terminal) on Ubuntu as my "command central" - pretty much the way others might use GNOME Do, Quicksilver or Launchy. However, I'm struggling with how to completely detach a ...
184
votes
5answers
196k views

How can I resume a stopped job in Linux?

How can I resume a stopped job in Linux? I was using emacs and accidentally hit ctrl-z which blasted me back to the console. I can see it when I type 'jobs' [*****]$ jobs [1]+ Stopped ...
184
votes
8answers
13k views

What do the parentheses and number after a Unix command or C function mean?

I keep seeing parentheses and a number after a command in Unix or Linux or C function. For example: man(8), ftok(2), mount(8), etc. What do these mean? I see them in man too.
183
votes
24answers
9k views

What are some options for transfering large files without using the Internet? [closed]

My employer's Internet connection is extremely slow. It's a $6,000 a month, 9 Mb, bonded T1, shared by over 150 users. It's not untypical to see regular file transfer speeds of 20-100 KBps. And ...
182
votes
14answers
99k views

How can I make Chrome stop caching redirects?

I am working on a web application that is using redirects (for pretty URLs). I am trying to debug logic in the way the redirects are working. However Google Chrome keeps remembering the redirects and ...
181
votes
25answers
172k views

What can I do to stop the Play / Pause button from opening iTunes?

In Snow Leopard the Play / Pause media button (on the F8 key) opens up iTunes. How can I disable that? Preferably keeping the old Leopard behaviour, so I can use it to control other media applications ...
180
votes
14answers
328k views

Is there a way to “auto login” in PuTTY with a password?

Is there a way to configure a password for a stored session in PuTTY? I know there is the capability to specify an "auto-login username" (under Connection/Data), but is there a way to do the same ...
179
votes
9answers
146k views

ssh tunnel via multiple hops

Tunneling data over ssh is pretty straight-forward: ssh -D9999 username@foreignhost.com sets up port 9999 on your localhost as a tunnel to foreignhost.com, but I have more specific need: I am ...
178
votes
6answers
122k views

Way to avoid ssh connection timeout & freezing of terminal tab

When I connect via ssh terminal to certain servers, it timeouts and "freezes" the terminal (doesn't accept, doesn't disconnect, can't Ctrl-C to kill the ssh process or anything). This is in Ubuntu's ...

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