Super User Stack Exchange
Super User Stack Exchange

Most Popular

more tags
1500 questions
93
votes
7 answers

FFMPEG: Convert m4a to mp3 without significant loss

I have a load of audio files (about 1000) which I want to convert from m4a to mp3 so I can use play them on a CD player which has a USB port. I tried doing something simple like: ffmpeg -i FILE.m4a FILE.mp3 but this seems to reduce the bitrate to a…
user3728501
  • 2,067
  • 4
  • 21
  • 40
93
votes
10 answers

How do I automatically trim trailing whitespace with Notepad++?

I don't want to delete the empty lines completely, but I want to remove the trailing tabs and whitespaces in them. Eclipse usually does it (through a preference setting) when we save the file. For example, the file before saving ($ = end of…
Srikanth
  • 4,579
  • 6
  • 30
  • 26
93
votes
7 answers

Why do some RJ45 plugs have the lock release clip under a rubber cover?

Some RJ45 plugs have an exposed lock release clip, like this: However, others place the release clip under a rubber cover, like this: I find that the rubber cover is almost never anything but a nuisance. Does it actually have a function besides…
user
  • 28,949
  • 11
  • 97
  • 143
93
votes
11 answers

Why does RAM have to be volatile?

If computer RAM was to be non volatile like other persistent storages, then there would be no such thing as boot up time. Then why is it not feasible to have a non volatile RAM module?
Chintan Trivedi
  • 863
  • 1
  • 7
  • 5
93
votes
4 answers

How does the computer know that the PC was not properly shut down?

Actually, this question struck me because of power cuts in my house. When there is a power cut, there is a sudden loss of power from the computer. How does the computer know that the shutdown was not properly done?
FrozenKing
  • 1,390
  • 3
  • 21
  • 32
93
votes
13 answers

Remote desktop use two out of four monitors

I've recently upgraded my home workstation and now have four monitors on it. I work remotely most of the time and need some way to get remote desktop onto only two of those four monitors. The top two monitors (monitors 4 & 3, going from left to…
William Gant
  • 931
  • 1
  • 6
  • 3
93
votes
5 answers

how to download dropbox files using wget command?

Seems I can only download dropbox files using explorer such as chrome and firefox. If I use wget to download, then I would get a file which is in html format. Why? For example you can open this link…
hugemeow
  • 2,159
  • 7
  • 27
  • 38
93
votes
11 answers

Can I force Google Chrome to remember passwords?

Is there a way to force Google Chrome to remember passwords for sites that have autocomplete turned off? Clarification: I am a programmer, but ideally, I'd like a method that I could help regular users implement, too.
Nathan Long
  • 24,839
  • 34
  • 101
  • 137
93
votes
11 answers

Cross-platform file system

I would like my external drives to be readable and writable from Linux, Mac OS X and Windows. FAT32 works, but the 4 GB file size limit is a showstopper these days. Are there any alternatives?
Console
  • 2,652
  • 3
  • 23
  • 21
93
votes
9 answers

How can I search for regular expressions within webpages using Google Chrome or IE?

How can I search for regular expressions like 'foo|bar' on webpages using Google Chrome or IE? I'm aware of the "Regular Expression Searcher" extension, but it does not work for me. (Nothing happens when I hit slash.) The reviews on the web store…
Sarah
  • 931
  • 1
  • 7
  • 3
93
votes
6 answers

How do I wrap lines in Notepad++ after N symbols?

I would like to have my lines in plain text in Notepad++ wrapped (soft wrapping for display, not insertion of line ends) after a reasonable amount of symbols (like 65 or 80). Is it possible? The only option I came across is wrapping at window width,…
xxzoid
  • 1,497
  • 2
  • 12
  • 14
93
votes
5 answers

What is the difference between a VLAN and a subnet?

I have read numerous forums and articles regarding VLANs and subnets. However, I haven't understood the functions of each apart from the following: Subnets allow the segmentation of a network VLANs are an isolated portion of a…
PeanutsMonkey
  • 8,690
  • 36
  • 88
  • 130
93
votes
14 answers

du command does not parse hidden directories

I want to estimate the amount of disk space used by a directory using the following command. du -sh dir_name which does not calculate the hidden directories. In the man page of du there is no info regarding it. How to calculate the amount of disk…
Talespin_Kit
  • 2,762
  • 5
  • 22
  • 18
93
votes
5 answers

How do I determine if my Windows is 32-bit or 64-bit using a command?

Possible Duplicates: How to tell if a computer has a 64-bit CPU or OS Detect Windows Server version 32/64-bit in CLI OS version: 32-bit or 64-bit? How do I determine if my Windows system is 32-bit or 64-bit from the commandline? I want to know…
Negative
  • 1,399
  • 2
  • 13
  • 9
93
votes
9 answers

Select column from a table with Google Chrome

Is there an extension for Google Chrome that would allow me to select a column from a table on the webpage? For example when I want to copy text from just one column of a table. You can select any row or column in Firefox by holding the Ctrl key,…
kristof
  • 1,664
  • 7
  • 20
  • 21
1 2 3
…
99 100