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• Print newline in PHP in single quotes

  - by Matt

  Hey all, I try to use single quotes as much as possible and I've noticed that I can't use \n in single quotes. I know I can just enter a newline literally by pressing return, but that screws up the indentation of my code.. Is there some ASCII character or something that I can type that will produce newline when I'm using single quotes? Thanks! Matt Mueller

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• How could a quine in my programming language look?

  - by ads

  I have created a turing-complete programming language (already proven) so it must be possible to write a quine for it, right? But all quines I know store their source code in a string and then replace a special character in it using something like chr and ord. My language only has the following Basic arithmetics Int and string types Variables == operator Conditional gotos I have no idea how I could write a quine as I have no real string manipulation available, I can only output constant strings. Yet, it is 100% turing-complete.

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• Finding the string length of a integer in .NET

  - by James Newton-King

  In .NET what is the best way to find the length of an integer in characters if it was represented as a string? e.g. 1 = 1 character 10 = 2 characters 99 = 2 characters 100 = 3 characters 1000 = 4 characters The obvious answer is to convert the int to a string and get its length but I want the best performance possible without the overhead of creating a new string.

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• What Date Format Should I Send When Using Oracle.DataAcess.

  - by discwiz

  Converting from usind Micorsofts Syste.Data.OracleClient to what I believe is called Oracles ODT (Oracle.DataAccess 10.2.0.100). When I try and send a date I get this error "ORA-1858: a non-numeric character was found where a numeric was expected". This code worked great using System.Data.OracleClient. cmd.Parameters.Add(New OracleParameter("I_FIRST_LOSS_EVENT_DATE", OracleDbType.Date)).Value = .LossEventsMessages(0).LossEventTime Thanks, Dave

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• Beautiful Soup Unicode encode error

  - by iamrohitbanga

  I am trying the following code with a particular HTML file from BeautifulSoup import BeautifulSoup import re import codecs import sys f = open('test1.html') html = f.read() soup = BeautifulSoup(html) body = soup.body.contents para = soup.findAll('p') print str(para).encode('utf-8') I get the following error: UnicodeEncodeError: 'ascii' codec can't encode character u'\u2019' in position 9: ordinal not in range(128) How do I debug this?

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• Regular expression help needed.

  - by Subrat

  Hi, Can anybody help me writting a regular expression to replace these characters with a empty string. Character list is given below. public static char[] delimiters = { ' ', '\r', '\n', '?', '!', ';', '.', ',', '`', ':', '(', ')', '{', '}', '[', ']', '|', '\'', '\\', '~', '=', '@', '>', '<', '&', '%', '-', '/', '#' }; Thanks. Subrat.

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• What are some simple and interesting ideas for experimenting with Artificial Neural Networks?

  - by Gerald Kaszuba

  Similar to this question, http://stackoverflow.com/questions/1559843/what-problems-have-you-solved-using-artificial-neural-networks, except I'm after some simple experimental ideas. Some I've thought of are: Character recognition Board games (tic-tac-toe.. any others?) Language detection What other possibilities are there?

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• Counting longest occurence of repeated sequence in Python

  - by user248237

  What's the easiest way to count the longest consecutive repeat of a certain character in a string? For example, the longest consecutive repeat of "b" in the following string: my_str = "abcdefgfaabbbffbbbbbbfgbb" would be 6, since other consecutive repeats are shorter (3 and 2, respectively.) How can I do this in Python? thanks.

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• Terminate hanging program and return to Turbo Pascal 3

  - by Vebjorn Ljosa

  I am running Turbo Pascal 3.01A on CP/M 2.2. Suppose my Pascal program, which I run using the R menu option in Turbo Pascal, has a bug and goes into an infinite loop. Is there a special control character that will interrupt my program and return to the Turbo Pascal menu?

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• Are Extended ASCII characters safe for filenames & folders?

  - by Nefariousity

  My C# project saves files and creates folders with the extended ASCII character "²" (superscript 2). Is this safe to work with internationally? Is this something that could cause any issues with the .NET libraries or Windows functions?

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• How efficient is Python substring extraction?

  - by Cameron

  I've got the entire contents of a text file (at least a few KB) in string myStr. Will the following code create a copy of the string (less the first character) in memory? myStr = myStr[1:] I'm hoping it just refers to a different location in the same internal buffer. If not, is there a more efficient way to do this? Thanks! Note: I'm using Python 2.5.

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• Unicode replacement characters for text matching

  - by Christian Harms

  I have some fun with unicode text sources (all correct encodet) and I want to match names. The classic problem, one source comes correctly, an other has more flatten names: "Elblag" vs. "Elblag" (see the character a) How can I "flatten" a, á, â or à to a for better matching? Are there unicode to ascii- matching tables?

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• Why do multiline cells in my CSV file appear with a question mark at the end of each line in Excel?

  - by Chris Lindsay

  I'm currently working on a project where we'd like to allow a user to export their data to CSV. Some of the data we present has multiple values for a single cell, and so we use the standard CSV method of putting each value on its own line: Column A, Column B, Column C Value A, "Value B1 Value B2", Value C Most of the time this works fine, but some people are reporting seeing a small question mark in a box character appear at the end of each line when they load the file in Excel. Why is this happening?

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• Endian check in C

  - by webgenius

  Got this code snippet from some website: int num = 1; if(*(char *)&num == 1) { printf("\nLittle-Endian\n"); } else { printf("Big-Endian\n"); } Can anyone explain this step-by-step? &num - Adress of a (char *)&num - Type-cast address of a into a string *(char *)&num - Points to the first character of the string Am I missing anything here?

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• What's the Ruby equivalent of Python's output[:-1]?

  - by Thierry Lam

  In Python, if I want to get the first n characters of a string minus the last character, I do: output = 'stackoverflow' print output[:-1] I can do the above in Ruby with: output = 'stackoverflow' output.reverse[1..output.length] Is there another way to perform this action in Ruby?

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• C# Regular Expression to find multiple sequences of punctuation characters

  - by Aran Mulholland

  Im trying to match punctuations using regular expressions. Do i have to specify every punctuation character i am searching for or is there is an escape sequence i can use? Im sitting here smiling to myself that the answers i might get will just be "Yes" or "No", please elaborate.... (that sentence should match the regular expression twice)

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• Best format to submit an autocomplete?

  - by Keyo

  I'm seeking advice on best practice when submitting a varying amount of POST variables. Do I use JSON or some character separated list to merge all the values into one field or use a sequence of fields like 'autocomplete1', 'autocomplete2' and so on. Thanks in advance, Ben

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• java.net.URISyntaxException

  - by aayushi soni

  Hi, I have get this exception. but this exception is not reproduced again. I want to get the cause of this Exception Caught while Checking tag in XMLjava.net.URISyntaxException: Illegal character in opaque part at index 2: C:\Documents and Settings\All Users\.SF\config\sd.xml stacktrace net.sf.saxon.trans.XPathException. Why this exception occured. How to deal with so it will not reproduce.

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• vim: wrap question

  - by remio

  I would like to wrap the text 5 characters before the end of window (without breacking the line). I don't know how to do this without putting an EOL character in the text (wrapmargin/textwidth).

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• email address in the url

  - by phoenix24

  Hi, I am passing the email address as part of the url, for ex. http://example.com/hello/[email protected] but, when being passed to the application controller it is changed to " user%40hotmail.com ". I can't seem to understand this special character escaping; confusion. please help me explain the problem here, and also what can I do to fix it. I am using python's "webapp" web application framework.

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• Want to get cursor position within textInput .

  - by Anshuman Jaiswal

  I am using textInput within grid using rendrer. I am populating a suggestion box just below the text input field on the basis of typed character and index of text input.Problem is that if i shrink grid column then suggestion box is not populating at the right place so I want global position of cursor in the text input field .

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• PushbackReader without EOF?!

  - by Frank

  Hello SOers, I'm currently using PushbackReader and while waiting for where it 'supposed' to be an EOF, I get the character 65535 and I'm wondering if that's normal. Where is my EOF?! Thank you.

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• Conditionally styling @font-face

  - by Gnee

  I'm using @font-face for some headers. The replaced typeface is different in dimension and overall character. When the switch happens, the old typeface's rules don't look so good. Other than writing a conditional Javascript script, is there a way to have a set of CSS rules for @font-face fonts (if the browsers supports it) and CSS rules for the unreplaced default fonts?

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• Komodo Double Indentation with Tab

  - by T. Stone

  In Komodo Edit, if I name the file *.django.html it gives me django syntax highlighting BUT it also indents with a tab character (8 spaces) instead of giving me the usual 4 space indent. How can I fix this? I've tried changing the value in Edit Preferences Editor Indentation Language Settings, but that seems to have no effect on it. The indentation works as normal (4 spaces) if I'm using any other extension (.py, .html, etc.). Ideas?

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• ASP.NET Control's UniqueID delimiter

  - by Jeremy

  The UniqueID of a control is delemited with the '$', is it possble that the delimiter can change, and if so, is there a property somewhere that contains the delimiting character?

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