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• How do I find if string has at least one character using regex?

  - by Vishal

  Examples: "1 name": Should say it has characters "10,000": OK "na123me": Should say it has characters "na 123, 000": Should say it has characters

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• Use Awk to Print every character as its own column?

  - by wizkid84

  Hi there, I am in need of reorganizing a large CSV file. The first column, which is currently a 6 digit number needs to be split up, using comma's as the field separator. For example, I need this: 022250,10:50 AM,274,22,50 022255,11:55 AM,275,22,55 turned into this: 0,2,2,2,5,0,10:50 AM,274,22,50 0,2,2,2,5,5,11:55 AM,275,22,55 Let me know what you think! Thanks!

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• How to match "any character" in Java Regular Expression?

  - by Saobi

  The following should be matched: AAA123 ABCDEFGH123 XXXX123 can i do: ".*123"?

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• Add characters (',') every time a certain character ( , )is encountered ? Python 2.7.3

  - by draconisthe0ry

  Let's say you had a string test = 'wow, hello, how, are, you, doing' and you wanted full_list = ['wow','hello','how','are','you','doing'] i know you would start out with an empty list: empty_list = [] and would create a for loop to append the items into a list i'm just confused on how to go about this, I was trying something along the lines of: for i in test: if i == ',': then I get stuck . . .

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• How to replace a character in NSString without inserting a space?

  - by Sheehan Alam

  Let's assume I have the string NSString* myString = @"Hello,"; How can I remove the comma without leaving a space? I have tried: NSString* newString = [myString stringByReplacingOccurrencesOfString:@"," withString:@""]; and NSString* newString = [myString stringByTrimmingCharactersInSet:[NSCharacterSet punctuationCharacterSet]]; But both are leaving spaces.

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• mysql query to find every occurrence of a non-ascii character in a table column and replace it with

  - by Gaurav

  I have a column that contains HTML strings and has characters like ® and ™ in it. I want to replace all such characters with their HTML equivalent. Is this possible?

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• Get a number after a character in a string...

  - by James Rattray

  I'm making my own forums and I don't want any BB code on it, but instead my own, so i've gotten [b][u][img] working etc. But i'm having problems with [quote=1][/quote] where the number is the user id... E.G lets say I quote someone So once I submit my post: (The variable $post would be:) '[quote=1] Quoted post :P[/quote]' How would I then get the number out the string? (But not the wrong number -not a number in the quoted post) (So I could then use str_replace() to replace with a table which makes it looked quoted) ?? :)

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• Why the field separator character must be only one byte?

  - by gd047

  data <- read.delim("C:\\test.txt", header = FALSE, sep = "$$$$$") Error in scan(file, what = "", sep = sep, quote = quote, nlines = 1, quiet = TRUE, : invalid 'sep' value: must be one byte Why there is a restriction like this? Can I overcome it?

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• Extracting character range form longline with sed or awk or grep?

  - by rufus28

  So i have a 1 long line with characters, for example numbers[1-1024] in one line(no "\n", "\t" and "\b"): 1 2 3 4 5 6 7 8 9 10 11 ... 1024 How do i extract and print characters for example exactly 55 characters after 46? So output would be: 47 48 49 ... 101 Thanks.

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• c - why does it make sense that indexing a character pointer is an int?

  - by hatorade

  char *a = "apple"; printf("%s\n", a); \\ fine printf("%s\n", a[1]); \\ compiler complains an int is being passed Why does indexing a string pointer give me an int? I was expecting it to just print the string starting at position one (which is actually what happens when i use &a[1] instead). why do i need to get the address?

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• Why does this getchar() loop stop after one character has been entered?

  - by Pieter

  #include <stdio.h> int main() { char read = ' '; while ((read = getchar()) != '\n') { putchar(read); } return 0; } My input is f (followed by an enter, of course). I expect getchar() to ask for input again, but instead the program is terminated. How come? How can I fix this?

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• Is there a way to remove Alt-character shortcuts from controls at runtime?

  - by Dan Neely

  I have a dialog with a number of Alt-Letter shortcuts on labels for textboxes/etc. This dialog can present data in either an editable or a read-only mode. I've received a request to hide the underlines for the shortcuts if the dialog is in read only mode. Other than editing the label text at runtime (ugh) is there any way to remove them? If you don't know what I'm referring to by alt-Letter shortcuts see this question.

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• Where can I get standard OCR character images online?

  - by Runner

  I need bitmap images for 0-9,a-z,A-Z. Is there such resources online?

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• How to show tab character while using expandtab setting?

  - by Plugawy

  In my .gvimrc I have following lines: set listchars=tab:\.\ ,trail:- set softtabstop=2 set shiftwidth=2 set tabstop=2 set expandtab When I change last line to set noexpandtab the indents can be seen and marked with . Is there a way to make vim treat expanded tabs like "normal" tab so that list option works as expected?

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• How can I convert a Unicode codepoint (\uXXXX) into a character in Perl?

  - by Peterim

  I have some unicode codepoints (\u5315\u4e03\u58ec\u4e8c\u4e0a\u53b6\u4e4b), which I have to convert into actual characters they represent. What's the simplest way to do so? Thank you.

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• Python - Is a dictionary slow to find frequency of each character?

  - by psihodelia

  I am trying to find a frequency of each symbol in any given text using an algorithm of O(n) complexity. My algorithm looks like: s = len(text) P = 1.0/s freqs = {} for char in text: try: freqs[char]+=P except: freqs[char]=P but I doubt that this dictionary-method is fast enough, because it depends on the underlying implementation of the dictionary methods. Is this the fastest method?

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• How can I put back a character that I've read when I detect it's the start of a new row?

  - by gcc

  char nm; int i=0; double thelow, theupp; double numbers[200]; for(i=0;i<4;++i) { { char nm; double thelow,theupp; /*after erased ,created again*/ scanf("%c %lf %lf", &nm, &thelow, &theupp); for (k = 0; ; ++k) ; { scanf("%lf",numbers[k]); if(numbers[k]=='\n') break; } /*calling function and sending data(nm,..) to it*/ } /*after } is seen (nm ..) is erased*/ ; } I want say compiler : hey my dear code read only i-th row,dont touch characters at placed in next line. because characters at placed in next line is token after i increased by 1 and nm ,thelow,theupp is being zero or erased after then again created. how can I do ? input; D -1.5 0.5 .012 .025 .05 .1 .1 .1 .025 .012 0 0 0 .012 .025 .1 .2 .1 .05 .039 .025 .025 B 1 3 .117 .058 .029 .015 .007 .007 .007 .015 .022 .029 .036 .044 .051 .058 .066 .073 .080 .088 .095 .103

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• What is the character that represents a null byte after ASCIIEncoding.GetString(byte[])?

  - by Brian

  I have a byte array that may or may not have null bytes at the end of it. After converting it to a string I have a bunch of blank space at the end. I tried using Trim() to get rid of it, but it doesn't work. How can I remove all the blank space at the end of the string after converting the byte array? I am writing this is C#.

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• how to retrieve substring from string having variable length of character in php?

  - by user187580

  Hello I have some data in the format of C222 = 50 C1234P687 = 'some text' C123YYY = 'text' C444 = 89 C345 = 3 C122P687 = 'some text' C122YYY = 'text' .... .... so basically 3 different forms "C" number = value, example - C444 = 89 "C" number "P" number = value, example - C123P687 = 'some text' "C" number "YYY" = value Only number is of variable length on the left side of (=) sign. Values vary. I want to store the data in db as INSERT INTO datatable c_id = "number after C" p_id = "number after P" // if it exists for a line of data value = 'value' yyy = 'value' Any ideas how to retrieve these numbers? Thanks

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• Is there a good way to remove a character from a string without copying all the characters following

  - by piemesons

  I was given an interview question: // The first example: char text[] = "henri"; char *p; p = text; *(p + 1) = 'E'; // Output = hEnri // Now If we want to remove the "e" ie hnri, we would go for????? *(p + 1)=????? The obvious answer is to copy the rest of the array "back" one position. But this seems... unpleasant. Surely there is some better way?

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• 2D Game Character Animation in iPhone - How is it done?

  - by Shnitzel

  What I mean is, do animators work on an animation in say Flash (or some other kind of key frame animation program) and then export it to the iphone somehow? For example, say I am an animator and I want to create a person waving for an iphone game. What type of external program would I use and then what libraries on the iphone sdk would I use to load them in?

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• How do I escape a new line character in a .ini file so that Zend_Config_Ini reads it literally?

  - by Nick

  I am trying to store a multiple line e-mail in an ini file using PHP/Zend Framework. My string has new lines characters in it, and when I use Zend_Config_Ini to parse the ini file, the new line characters come back escaped, so they are printed out on screen, instead of a line feed. Example: // ini file message = Hi {0},\n\nThis is a test message.\nGoodbye! is parsed by Zend_Config_Ini as: Hi {0},\\n\\nThis is a test message.\\nGoodbye! which then is printed out in the email as: Hi John,\n\nThis is a test message.\nGoodbye! Instead I want the e-mail to look like this: Hi John, This is a test message. Goodbye! Does anybody know how to achieve this? Thanks!

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• Scan HTML for values with a special character before them.

  - by DogPooOnYourShoe

  Say I have values on my page, like #100 #246, What I want to do is scan the page for values with a # before them and then alter them to put a hyperlink on it $MooringNumbers = '#!' . $MooringNumbers . ' | ' . '#!' . $row1["Number"]; } $viewedResult = '<tr><td>' .$Surname.'</td><td>'.$Title.'</td><td>'.$MooringNumbers . '</td><td>'.$Telephone.'</td><td>' . '<a href="rlayCustomerUpdtForm.php?id='.$id.'">[EDIT]</a></td>'.'<td>'. '<a href="deleteCustomer.php?id='.$id.'">[x]</a></td>'. '</tr>'; preg_replace('/#!(\d\d\d)/', '<a href="update.php?id=${1}">${1}</a>', $viewedResult); echo $viewedResult; This is the broken code which doesnt work.

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• How do I obtain the ASCII code of a character?

  - by sterh

  Hello, I have a char variable, declared for example as: char a = 's'; How can I get the ASCII code of this symbol? Thank you.

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• i need a code to prevent users from entering character instead of integer. [closed]

  - by bhavna raghuvanshi

  pls help me....

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