How to print ASCII value of a character using basic awk only.
- by Venkataramesh Kommoju
I need to print the ASCII value of the given charecter in awk only.
the below gives 0 as output.
echo a | awk '{ printf("%d \n",$1); }'
Help please.
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Use Awk to Print every character as its own column?
- by wizkid84
Hi there, I am in need of reorganizing a large CSV file. The first column, which is currently a 6 digit number needs to be split up, using comma's as the field separator. For example, I need this: 022250,10:50 AM,274,22,50 022255,11:55 AM,275,22,55 turned into this: 0,2,2,2,5,0,10:50 AM,274,22,50 0,2,2,2,5,5,11:55 AM,275,22,55 Let me know what you think! Thanks!Read the article
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How can I automatically highlight a specific character in link text using JQuery + CSS?
- by Chris McCall
I'm adding hotkeys to a web application in order to enable keyboard shortcuts for our CSRs to use, to reduce injury and increase calls-per-hour. I'm using an ASP.net UserControl to inject javascript into the page and it's working great. I want the control to "just work", so that when hotkeys are assigned, using a declarative syntax, if the hotkeyed letter exists in the link text, it will be highlighted automatically, so the developer doesn't have to do anything, and also to maintain consistency in visual cues. Here's the code to assign hotkeys, if it matters: <uc:HotKeysControl ID="theHotkeys" runat="server" Visible="true"> <uc:HotKey ControlName="AccStatus$btnInvoiceEverBill" KeyCode="ctrl+v" /> <uc:HotKey ControlName="AccStatus$btnRefund" KeyCode="ctrl+u" /> <uc:HotKey ControlName="thirdControl" KeyCode="ctrl+p" /> </uc:HotKeysControl> I want something like: <a href="whatever" name="thirdControl">Make a <span class=hotkey">P</span>ayment</a> ...but I'm not married to the idea of injecting a <span/> in there if there's a better way. How can I do this in CSS or JQuery? Is there a way to pass in a letter to a CSS style and have it change the color of the text displayed? Should I generate javascript to highlight the text when the page loads? What would/did you do in this situation?Read the article
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How to read a file line using php in a javascript variable without the breakline character ?
- by coolboycsaba
I have a txt file on the server which contains 10 lines of text. The text file is rewritten sometimes, and I get new lines using "\r\n". My problem shows when I want to load the lines in javascript variables. I do it like this, but this work only for numbers or for the last line of the file, because its not using the breakline tag: var x = '<?php echo $file[0]; ?>'; Ive tried to alert(x) but it`s not working.... (working only if I read the last line) Any idead ?Read the article
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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"?Read the article
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How to raise an error, if the parsed number of a C++ stdlib stream is immediatly followed by a non whitespace character?
- by Micha Wiedenmann
In the following example, I didn't expect, that 1.2345foo would be parsed. Since I am reading data files, it is probably better to raise an error and notify the user. Is peek() the correct thing to do here? #include <iostream> #include <sstream> int main() { std::stringstream in("1.2345foo"); double x; in >> x; if (in) { std::cout << "good\n"; } else { std::cout << "bad\n"; } } Output goodRead the article
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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 charactersRead the article
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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.Read the article
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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) ?? :)Read the article
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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 . . .Read the article
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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?Read the article
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play framework WS API always escape character ';' and '=' in URL
- by user2512057
When I send a URL like abc.efg.com/query?para1=cat;para2=dog, play WS API always convert it to abc.efg.com/query?para1=cat%03Bpara2%03Ddog. Of course, there are http:// in the beginning in the URL. my code is as below. val url= "http://abc.efg.com/query?para1=cat;para2=dog" val response = WS.url(url).get() When I use fidder or netmon to look at the data that sent to sever, I found play framework WS (2.1.5) always change to the URL above I mentioned. How do I tell WS not to convert?Read the article
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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?Read the article
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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.Read the article
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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?Read the article
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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.Read the article
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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?Read the article
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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?Read the article
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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?Read the article
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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?Read the article
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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?Read the article
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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#.Read the article
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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.Read the article
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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?Read the article
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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 .103Read the article
