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101
votes
18answers
7k views

What's the quickest way to count the number of each character in a file?

I want to count the A's T's C's G's N's and "-" characters in a file, or every letter if needed, is there a quick Unix command to do this?
45
votes
4answers
22k views

Insert Unicode characters via the keyboard?

I am familiar with inserting an ASCII character into a text document by using 'Alt+ASCII code' on the NumPad keys (e.g. Alt+130 inserts an é character). Is there a similar way to insert a Unicode ...
35
votes
6answers
34k views

How do you type Unicode characters using hexadecimal codes?

This is in Windows, but answers for other operating systems can be handy to others. Most guides say something to the effect of "hold down the Alt key and type in the code on the keypad". This works ...
17
votes
4answers
78k views

How to set character encoding when opening Excel

Is it possible to set the default encoding for Excel (any version, e.g. 2010) when opening files like csv files (like you can in Open Office Calc)? I When I try to open a csv file encoded in Japanese ...
14
votes
2answers
2k views

Why does certain characters draw horribly, horribly wrong in Windows?

Odd characters: ก็็็็็็็็็็็็็็็็็็็็ กิิิิิิิิิิิิิิิิิิิิ ก้้้้้้้้้้้้้้้้้้้้ ก็็็็็็็็็็็็็็็็็็็็ กิิิิิิิิิิิิิิิิิิิิ ก้้้้้้้้้้้้้้้้้้้้ ก็็็็็็็็็็็็็็็็็็็็ กิิิิิิิิิิิิิิิิิิิิ ...
13
votes
5answers
29k views

Unicode characters suddenly start displaying as boxes in some applications [duplicate]

I noticed that Unicode characters suddenly stopped displaying in some applications, so far Notepad++ and Skype, when they were appearing previously. Instead they appear as boxes. They were working ...
11
votes
3answers
1k views

A rapid way to type funny characters from Scalaz?

Is there any easy and fast way to type the funny characters (like ⊛, ≟, ∘, ∨ etc) from Scalaz? (I am using Ubuntu 9.04)
10
votes
5answers
4k views

How can I type U+200B character?

How can I type the unicode character U+200B (zero-width space character) with my keyboard?
8
votes
3answers
3k views

How can I stop the Character Viewer from appearing every time OS X asks me for a password?

This is new behaviour in OS X 10.6: when I get keychain dialog boxes asking me for my password or to approve use of my keychain, the Character Viewer appears over top. I don't want to disable the ...
7
votes
1answer
3k views

Notepad Ctrl-Backspace behavior

Text fields in almost all software erase a word when ctrl+backspace is pressed. However, Notepad behaves differently, and inserts a character which is: `` (I copy-pasted it here. I'm not sure if it is ...
7
votes
1answer
2k views

The '¤' character

Lately I've started wondering about the ¤ character which is shift+4 on my Norwegian keyboard (it's also present on several others, including the U.S. International keyboard layout). I've never seen a ...
6
votes
3answers
17k views

1/2 key on MacOSX?

I need the key 1/2 (one-half) but I can't find it on my mac keyboard. My keyboard is a Danish Mac keyboard.
6
votes
1answer
188 views

Can a OCR confuse letter case?

Can a OCR sometimes confuse between letter case? For example 't' interpreted as 'T' or 'r' as 'R' at some point?
5
votes
1answer
1k views

How to change characters used for link hints in Firefox Vimperator?

Instead of numbers used for link hints in Firefox Vimperator addon, I would like to display characters like in Vimium in Google Chrome. How can I change this configuration?
5
votes
2answers
9k views

Windows 7 Home Premium - Unable to View Chinese Characters Properly

Is there a proper and permanent fix that will restore the display of Chinese Characters on a Windows 7 Home Premium Laptop computer? This problem has been occurring frequently now and a simple reboot ...
5
votes
4answers
10k views

Weird Characters in Google Chrome

I sometimes see weird characters on some websites instead of what they're meant to display. I've attached an image below as an example. In IE the site displays correctly but on Chrome there are weird ...
5
votes
3answers
773 views

Ctrl-C behavior in gnome-terminal

I have installed Ubuntu 10.04. It works fine, but when I press Ctrl-C in gnome-terminal I get: user@desktop:~$ ^C user@desktop:~$ ^C user@desktop:~$ In Ubuntu 9.04 (I did have it before) it was so: ...
4
votes
1answer
3k views

How to Make Windows Show Unicode Characters Properly?

How do I make Windows 7 show Unicode all characters properly, like those in this question? Right now I just see squares for some of them.
4
votes
1answer
125 views

What are those tildes in gVim for?

I realize this is probably a very, very obvious question, but I couldn't find anything on it. (Probably because it was so obvious) What are all those tildes in gVim at the end of the file? I can't ...
4
votes
2answers
3k views

Italian keyboard: entering the tilde (~) and backtick (`) characters without changing keyboard layout

Here is what the layout of an Italian keyboard looks like: As you can see, the curly braces, which are absolutely necessary to write code in any of C, C++, JavaScript, Java, Objective C, and ...
4
votes
3answers
3k views

Smooth font rendering for Japanese characters

I am using Windows 7 and have set font smoothing to ClearType. However, Japanese characters display very roughly throughout the operating system. What can I do so they are rendered smoothly like other ...
4
votes
1answer
519 views

Linux: Print specific character range in each line

What is the most straightforward way, using Linux command line utilities, to print a specific range of characters for each line read on stdin? For example, for this input file: 1234567890 0987654321 ...
4
votes
2answers
993 views

How can I get keyboard shortcuts for certain characters listed in character map that don't have an ALT equivalent listed?

Does anyone know how to get a complete listing of character map equivalents? For example, look in Windows character map under Arial for ¼ . It says you can type ALT+0188 . But some things do not have ...
4
votes
1answer
254 views

A font has a letter in “U+007F” (delete) key, How can I get it?

I have a font and when I open it with Character Map, I see that there is a letter which is in the Delete Key! Here is a picture showing "U+007F: Delete": Click to enlarge So how can I display this ...
4
votes
1answer
2k views

Windows command line-Replace multiple characters in single string

I apologize if the question title is a bit confusing, but I wanted to keep it short. Basically what I want to do is take the system date format (%DATE%) and replace characters that would be bad in ...
3
votes
1answer
2k views

How do I type the » (») character on the mac keyboard?

How can I type the » (») character on the mac keyboard? I noticed that I can type a lot of other chacters by using cmd/control/option and keys, but what about this this one?
3
votes
3answers
610 views

How can MS-DOS and other text mode programs display Japanese characters

I've seen many text mode BIOS setup screens in Japanese. Recently I've even seen windows XP setup in Japanese. MS-DOS had Japanese versions too. Real DOS mode, not windows command promt! ...
3
votes
1answer
14k views

what is PGP public key block?

There's PGP public key block posted on some websites (eg. http://phrack.org/index.html). It's not hex code. it uses much more alphabet characters. What is it? Why is this information posted? how can ...
3
votes
2answers
1k views

Strange characters in terminal during compile error

(This is not a question about a compile error, but about the Linux terminal setting.) During any compile error, the error statement doesn't properly display code fragments: In member function â: ...
2
votes
2answers
154 views

Does Unicode have a unified way to input all diacritics, especially in MS word2010?

I search and find that in word 2010, the only way that can input all kinds of UNICODE characters is to use the "symbol table", which is a time butcher to find the character I need, because the ...
2
votes
3answers
681 views

Character map Utility for Mac?

I want to type some special character like heart, Ohm sign , in Windows, I could be able to copy these from character map easily, is there any utility alike Windows Character map for Mac ?
2
votes
5answers
258 views

Entering Unicode characters by name

Sometimes I want to type Unicode characters (em-dash, quotes, Greek letters sometimes, superscripts etc). It can be done using character codes, but then one needs to look up / memorize them, which is… ...
2
votes
4answers
800 views

How do I type Square character

I have to write x/100000 with square character: x*10-5 ,but the '-5' should be above 10 so it is known that it is x/10/10/10/10/10. How do I do that?
2
votes
1answer
636 views

CMD: How to use non-English characters?

I want to work with non-English File names in CMD (Command Line) like creating Folder with the names or deleting several files that names are non-English. How can i work with this names ?
2
votes
1answer
645 views

Looking for keyboard labels with self-fluorescent letters (for night-time, low light conditions) on non-backlit keyboard

I have a Toshiba NB100 netbook which I find very useful, only inconvenience being that the keyboard letters are not high contrast with their black background, the letter colour is off-grey. Keyboard ...
2
votes
1answer
45 views

How can I fix this display size issue in Windows 7 Character Map?

The last few times I've opened the character map (Win 7), the "highlighted" character and the "selected" characters have shown up very tiny. Clicking on a character to highlight it makes it even ...
2
votes
1answer
61 views

View font characters for fonts not installed

This question assumes a Windows system. For installed fonts, one can use Windows' Character Map to view the available characters of those fonts (with their Unicode codes). Even better is the "Symbol" ...
2
votes
2answers
137 views

How to add extensions to a lot of files using content of each file?

I've got over 10,000 files that don't have extensions from older versions of the Mac OS. They're extremely nested in file structure, and they also have all sorts of strange formatting and characters. ...
2
votes
1answer
224 views

Directory transfer from Linux -> Windows; 255 Character limit error

I need to copy a very large directory from a linux server to a windows machine; the directory is very large and contains directories that go as deep as having 50+ subdirectories. So as you could ...
2
votes
1answer
80 views

What web browsers support non-latin hostnames 'out of the box'?

With ICANN approving the first full Internationalised Domain Names for non-latin scripts such as Arabic, Cyrillic, Chinese, etc do all browsers support these character sets out of the box?
2
votes
1answer
1k views

Bind/map Character to alt+[some key]?

OS: Ubuntu In programming and various terminal programs (Screen, Vim) the [, ], { and } tends to be used a lot. I'm using a Norwegian keyboard where these are placed such that I have to stretch my ...
2
votes
0answers
698 views

How does Spotlight search regex/other special characters?

I'm trying to find snippets of code in a bunch of velocity files using Spotlight (specifically pages that contain a <html> tag. Spotlight's missing pages that contain that tag that I know are ...
1
vote
5answers
4k views

Key for 'ë' , e with a diaeresis, in windows [duplicate]

Possible Duplicate: How do you type Unicode characters using hexadecimal codes? Is it possible to generate this symbol 'ë' i.e. e with a diaeresis from the keyboard in windows?
1
vote
2answers
6k views

How to remove the first character of every line in Notepad++ [duplicate]

Possible Duplicate: delete first 27 characters from every line notepad++ I managed to find an answer to remove the last character from every line in Notepad++, but now I need the same ...
1
vote
3answers
366 views

What's the best way to get a random(ish) sequence of printable/alphanumeric characters?

I know I can get random (well, pseudo-random) characters, unconstrained, from '/dev/random' (or /dev/urandom). But what if I need these characters to generate a filename? I need to somehow have a ...
1
vote
1answer
141 views

How come Twitter only allows 140 characters per tweet? [closed]

I know this may seem like an inane question but was there any reason why Twitter picked that number as the limit of characters per tweet? In addition, in hashtagging on Twitter, it doesn't allow for ...
1
vote
6answers
27k views

ASCII Code for the TAB Character? (Want to be able to input tabs into a web page textbox)

As I'm sure that pretty much everyone on here is aware the "Tab" key when used on a webpage simply jumps to the next element on the page; whether is be a checkbox, radio selector, button, another ...
1
vote
3answers
699 views

How do straight quotes become curved quotes when copying from a web page to a text editor?

I copied some code from a web page and into my text editor. The double quote characters changed to this: <iframe src=“http://www.yahoo.com” style=“width:500px; height:500px;” ...
1
vote
2answers
1k views

Change specific font in pdf document

I have a PDF file, which has a buggy font (some d's, o's and q's with black color fill inside the circe) which is annoying to read. How can i change that specific font in the whole document, keeping ...
1
vote
2answers
237 views

Virus behaviour but couldn't find any virus on Windows 7

I found a strange virus-like behaviour on my PC running Windows 7. I'm not able to type properly with my keyboard. Sometimes it won't respond, and some other times it adds characters indefinitely to ...