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Do you know how to look for special characters with google...?
I'm looking at bash code and there's the ## operator. I would like to know what It does but I wasn't able to figure out a way to protect the character (I'm not sure it's even possible).
This is particularly annoying when you're looking for some code patterns, some characters are always ignored.
Update: this answer is no longer applicable as of 2017. See https://blog.google/products/search/improvements-searching-special-characters-programming-languages/
Google strips most punctuation from queries, as described here, so it won't help you with the bash syntax.
It's very easy to search for the string "##" in the bash documentation: Just run "info bash", hit "s", and enter "##" as the search string.
google strips puntuation, imho, because:
it's somewhere used for special search (chars like - to exclude, +to add and 10..20 to specify a range)
to avoid spammers to get email addresses (characters like # or .)
in my experience, it's even impossible to escape special characters.
the only solution I found, by now, is using yahoo http://it.search.yahoo.com/
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I need to replace certain letters in a word with a character.
I'm stuck. How can I fix it?
It looks like you already have most of the code. You just need to add the letters that don't need to be replaced and are not in the consonants list.
To do this, I would use an if-else instead of an if in your loop. This will allow you to replace letters that are in the consonants list and add letters that don't need to be replaced to the final word.
It would look something like this:
Note that the consonants list has the characters that are to be replaced in word word.
This should give you what you are looking for.
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I know it exist ISO-8859-9/Latin-5 or ISO-8859-15/Latin-9, but recently I had to manage some messages encoded with ISO-8859-9/Latin-9 format.
What does it exactly mean?
There is ISO-8859-9 which is called Latin-5.
And there is ISO-8859-15 which is called Latin-9.
Yes, it is confusing. In my opinion it's simplest to always only use the ISO-8859-n moniker. That avoids potential confusions.
So "ISO-8859-9/Latin-9" is probably a typo (or someone wrongly thought that the suffix is identical for the "ISO-8859-" and the "Latin-" prefix).
Depending on the source of the data, you can guess which one they meant. ISO-8859-9 is used for Turkish text and ISO-8859-15 is basically the modern replacement for ISO-8859-1 (covering most of Western Europe, mostly used because it has the € symbol).
Source: ISO/IEC 8859 Wiki page.
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i am looking for a mapping table or Perl module or anything else, which makes it possible to map characters to a URL safe version that is also readable.
I need to build URLs without any special characters. The base words are city names in their native language which means it can contain special characters from that language.
For example, when i have something like the polish city name 'łódź' i need to get a readable version like: 'lodz'
The major browsers show and accept non-ASCII characters in the URL bar even if they need to be encoded during transmission.
For example,
http://.../city/Montr%C3%A9al
will appear as
http://.../city/Montréal
in the browser's URL bar. [Test]
But if you want to convert to a subset of ASCII, you'd start by using Text::Unidecode's unidecode. Then you gotta decide what to do with the characters that must be escaped in URLs.
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I have made a document based program lately.
But what intrigues me that how can a compiler(in my case, objective-c) convert any character into Unicode so fast while these characters are only visual presentations.
I think maybe A~Z and all other common characters can be converted from ASCII to Unicode very easily. What about other special character such as brand icon and copyright icon?
I am solely interested in the internal working of such conversion.
Example:
How do compiler understand what "©" is in a blink of second? Is it by looking up a UNICODE table? But if I have 1000000 "©", does my compiler look them up in the table 1000000 times? That is very time consuming, isn't it?
The compiler doesn't see "©". It sees whatever numerical representation of "©" occurs in the source file it's processing. No lookup is needed, because it's already in the form the compiler uses. (Some conversions might be needed if, for example, the source file is in UTF-8 and the compiler uses UTF-32 internally, but such conversions don't require a full Unicode table.)
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I'm looking for a good character that means "end-of-story" in unicode. I remember seeing one once that looked like a fractal and was really cool. Does anyone know where I can find this character? More importantly, where can I go to find a unicode character with a special meaning when I don't know it's names? Google wasn't very helpful.
Edit: I found something that looks kinda like a fractal, and also happens to be called "end-of-story." It's a Thai character.
Is this what you were looking for?
http://www.decodeunicode.org/en/u+0e5b/data/k//XS/khomut31910809.jpg
End of story The Khomut sign is a terminal punctuation character which is placed in old books at the end of a verse in a poem, the end of a chapter or at the end of a story.
Compare to U+17DA Khmer Sign Koomuut
Btw: I found this with a Google Image Search on "end of story" unicode--It was the 4th result. That's probably the best way to search for any kind of symbol. Though without the name of the character it would probably have been impossible to find, since unicode fractal didn't return anything useful.
Go and have a look at the unicode.org code charts. You can browse through them and find a character that you like by what they look like. http://www.unicode.org/charts/
Alternatively, browse through the names of the characters using the data file that has the official character name. Do a search using your browser or editor search function. http://www.unicode.org/Public/5.1.0/ucd/UnicodeData.txt
When you find a character that you want to see what it looks like, just do a search for the character code. e.g. character 0087 (the first field in the UnicodeData.txt file) is searched as U+0087. FileFormat.info usually has all of the characters. For example, END OF SELECTED AREA.
Are you using Windows? Use the Character Map (Start | Accessories | System Tools). I personally like the Greek Omega (U+03A9) or the Ohm sign which is an Omega (U+2126).