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  • Complex String Processing - well complex to me

    - by percent20
    I am calling a web service and all I get back is a giant blob of text. I am left to process it myself. Problem is not all lines are necessarily the same. They each have 2 or 3 sections to them and they are similar. Here are the most common examples text1 [text2] /text3/ text1/test3 text1[text2]/text3 text1 [text2] /text /3 here/ I am not exactly sure how to approach this problem. I am not too good at doing anything advanced as far as manipulating strings. I was thinking using a regular expression might work, but not too sure on that either. If I can get each of these 3 sections broken up it is easier from there to do the rest. its just there doesn't seem to be any uniformity to the main 3 sections that I know how to work with.

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  • How to use ImageMagick to batch desaturate images?

    - by Zando
    I have an image that is black text with some gray and pale yellowish background. I basically want to keep the text as black as possible, and make the gray and yellow comparatively lighter...at the very least, turn yellow into a light gray. What's the most efficient way to do that in ImageMagick?

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  • User avatar cropping/resizing with paperclip and jquery in rails

    - by Micke
    Hello fellow stackoverflow users. I am building my first Ruby on Rails app which is going to be my own little community. I have made the User model with several fields and information. But now i am thinking of adding avatar support for the users. And i've been researching and found that my best option would be using Paperclip. But then i've encountered a little dilemma. I want my users to be able to resie/crop their avatar image after they have chosen a image. I have googled alot and since i am using jQuery i found that imgAreaSelect would be best in my opinion. And i think MiniMagick looks best. So to my question. How can i best intergrate Paperclip and imgAreaSelect? I am new to Ruby and Rails so i don't know how i can resize the image. Do you folks know how to intergrate the to or maybe some other options that fits my needs best? I also need to apologize for my bad/misspelled english since i am not english :) Thanking you in advance. Yours sincerely, Micke.

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  • unwanted quote marks in output from printf

    - by Gary
    I have some address data which has been exported from a database. If the address had multiple lines, the exported data has joined all the lines into one string with the former lines being separated by dollars signs. Here's one of the addresses: INFORMATION DELIVERY DEPT$704 CHERRY ST$ATLANTA, GA 30332-0900 I'm splitting this into an array on the dollar sign and outputting the three array elements into separate tab-separated fields with printf. For some reason, it comes out like this: INFORMATION DELIVERY DEPT 704 CHERRY ST "ATLANTA, GA 30332-0900" I don't want the quotes around that final field. Can anyone explain why this is happening and how to suppress it? This is being done in Windows Vista with gawk3.1.6. Thanks! gary

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  • position content relative to a fluid width element set to position:fixed

    - by Star
    I have a layout with the following requirements An image on the left side, and content on the right side. The image is pinned to the bottom left of the viewport The image does not move when the user scrolls The image resizes to 100% height of the viewport, up to it's max height. (I don't want the image to distort in it's attempts to be larger than it actually is) The image retains it's aspect ratio, and resizes it's width according to the height resizing. The content begins to the right of the image, and moves as the image resizes with the browser viewport. Now, I've managed to achieve pretty much all but the last of these requirements. Have a look here: http://letteringmusic.com/ The image resizes quite nicely, but I can't get the content to float next to the image because image is position:fixed, and therefore out of the document flow. I'm not opposed to a javascript solution if that's the only way to get the result I want. Anybody know what I need to do to make this work? Thank you!!

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  • Convert From Custom List to List of String

    - by Paul Johnson
    Hi all I have the following code: Public Shared Function ConvertToString(ByVal list As IList) As String Dim strBuilder = New System.Text.StringBuilder() Dim item As Object For Each item In list strBuilder.Append(obj.ToString()) strBuilder.Append(",") Next Return strBuilder.ToString(strBuilder.Length - 1) End Function The intention is to convert an IList of custom objects to a string equivalent comprising each element in the Ilist. Unfortunately I can't seem to find a way to get the underlying data of the custom object, and of course as in the above example, using object simply gives me a string of types definitions, rather than access to the underlying data. Any assistance much appreciated. Paul.

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  • String formatting error

    - by wrongusername
    Using the code print('{0} is not'.format('That that is not')) in Python 3.1.1, I get the following error: AttributeError: 'str' object has no attribute 'format' when I delete the line Netbeans automatically inserted at the beginning: from distutils.command.bdist_dumb import format which itself causes an error of ImportError: cannot import name format What am I doing wrong here?

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  • Serverside image processing

    - by spol
    I am designing a web application that does server side image processing in real time. Processing tasks include applying different effects like grayscale, blur, oil paint, pencil sketch etc on images in various formats. I want to build it using java/servlets which I am already familiar with. I found 3 options, 1) Use pure java imaging libraries like java.awt or http://www.jhlabs.com/ip/index.html 2) Use command line tools like Gimp/ImageMagick 3) Use c,c++ image libraries that have java bindings. I don't know which of the above options is good keeping the performance in mind. It looks like option 2) and 3) are good performance wise, but I want to be sure before I rule out 1). I have also heard gimp cannot be run using command line unless gtk or xwindows is already installed on the server. Will there be any such problems with 2) or 3) while running them server side? Also please suggest any good image processing libraries for this purpose.

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  • Algoritms for "fuzzy matching" strings

    - by Alexey Romanov
    By fuzzy matching I don't mean similar strings by Levenshtein distance or something similar, but the way it's used in TextMate/Ido/Icicles: given a list of strings, find those which include all characters in the search string, but possibly with other characters between, preferring the best fit.

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  • Complex string split in Java

    - by c0mrade
    Consider the following String : 5|12345|value1|value2|value3|value4+5|777|value1|value2|value3|value4?5|777|value1|value2|value3|value4+ Here is how I want to split string, split it with + so I get this result : myArray[0] = "5|12345|value1|value2|value3|value4"; myArray[1] = "5|777|value1|value2|value3|value4?5|777|value1|value2|value3|value4"; if string has doesn't contain char "?" split it with "|" and continue to part II, if string does contain "?" split it and for each part split it with "|" and continue to part II. Here is part II : myObject.setAttribute1(newString[0]); ... myObject.setAttribute4(newString[3]); Here what I've got so far : private static String input = "5|12345|value1|value2|value3|value4+5|777|value1|value2|value3|value4?5|777|value1|value2|value3|value4+"; public void mapObject(String input){ String[] myArray = null; if (input.contains("+")) { myArray = input.split("+"); } else { myArray = new String[1]; myArray[0] = input; } for (int i = 0; i < myArray.length; i++) { String[] secondaryArray = null; String[] myObjectAttribute = null; if (myArray[i].contains("?")) { secondaryArray = temporaryString.myArray[i].split("?"); for (String string : secondaryArray) { myObjectAttribute = string.split("\\|"); } } else { myObjectAttribute = myArray[i].toString().split("\\|"); } myObject.setAttribute1(myObjectAttribute[0]); ... myObject.setAttribute4(myObjectAttribute[3]); System.out.println(myObject.toString()); } Problem : When I split myArray, going trough for with myArray[0], everything set up nice as it should. Then comes the myArray[1], its split into two parts then the second part overrides the value of the first(how do I know that?). I've overridden toString() method of myObject, when I finish I print the set values so I know that it overrides it, does anybody know how can I fix this?

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  • String replacement problem.

    - by fastcodejava
    I want to provide some template for a code generator I am developing. A typical pattern for class is : public ${class_type} ${class_name} extends ${super_class} implements ${interfaces} { ${class_body} } Problem is if super_class is blank or interfaces. I replace extends ${super_class} with empty string. But I get extra spaces. So a class with no super_class and interfaces end up like : public class Foo { //see the extra spaces before {? ${class_body} } I know I can replace multiple spaces with single, but is there any better approach?

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  • php regex expression to get title

    - by 55skidoo
    I'm trying to strip content titles out of the middle of text strings. Could I use regex to strip everything out of this string except for the title (in italics) in these strings? Or is there a better way? Joe User wrote a blog post called The 10 Best Regex Expressions in the category Regex. Jane User wrote a blog post called Regex is Hard! in the category TechProblems. I've tried to come up with a regex expression to cover this, but I think it might need two. The trick is that the text in bold is always the same, so you could search for that, like this: regex: delete everything before and including wrote a blog post called regex: delete in the category and everything after it.

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  • Replace letters in a secret text

    - by kame
    Hello! I want to change every letter in a text to after next following letter. But this program doesnt work. Does anyone know why. Thanks in advance. There is also a minor problem with y and z. import string letters = string.ascii_lowercase text=("g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp. bmgle gr gl zw fylb gq glcddgagclr ylb rfyr'q ufw rfgq rcvr gq qm jmle. sqgle qrpgle.kyicrpylq() gq pcamkkclbcb. lmu ynnjw ml rfc spj. ") for x in range(1,24): text.replace(letters[x],letters[x+2]) print(text)

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  • lastIndexOf in obj-c?

    - by Debashis
    How would I get the last occurrence of an NSString within another NSString? For example, in "abc def ghi abc def ghi," I want to find the index of the second "abc," not the first. I know I could do this with a bunch of rangeOfStrings, but is there already a function for that?

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  • How to replace round bracket tag in javascript string

    - by tomaszs
    I have trouble with changing round bracket tag in Javascript. I try to do this: var K = 1; var Text = "This a value for letter K: {ValueOfLetterK}"; Text = Text.replace("{ValueOfLetterK}", K); and after that I get: Text = "This a value for letter K: {ValueOfLetterK}" What can be done to make this work? When I remove round brackets it works fine.

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  • How to outperform this regex replacement?

    - by spender
    After considerable measurement, I have identified a hotspot in one of our windows services that I'd like to optimize. We are processing strings that may have multiple consecutive spaces in it, and we'd like to reduce to only single spaces. We use a static compiled regex for this task: private static readonly Regex regex_select_all_multiple_whitespace_chars = new Regex(@"\s+",RegexOptions.Compiled); and then use it as follows: var cleanString= regex_select_all_multiple_whitespace_chars.Replace(dirtyString.Trim(), " "); This line is being invoked several million times, and is proving to be fairly intensive. I've tried to write something better, but I'm stumped. Given the fairly modest processing requirements of the regex, surely there's something faster. Could unsafe processing with pointers speed things further?

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  • Trim a string in C

    - by Orion Edwards
    Briefly: I'm after the equivalent of .NET's String.Trim in C using the win32 and standard C api (compiling with MSVC2008 so I have access to all the C++ stuff if needed, but I am just trying to trim a char*). Given that there is strchr, strtok, and all manner of other string functions, surely there should be a trim function, or one that can be repurposed... Thanks

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  • How can I duplicate the UI functionality of Google Fastflip?

    - by marcamillion
    Trying to get the same functionality as Google FastFlip. Not just with the thumbnails, but even for the larger images too. Notice how when you click on a story, you see the main story front and center, and you see smaller half-screens of previous and next stories. How can I get that functionality? Is there a plugin for one of the JS frameworks that does this already? I also love the speed and feel of flipping through the images.

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  • String length differs from Javascript to Java code

    - by François P.
    I've got a JSP page with a piece of Javascript validation code which limits to a certain amount of characters on submit. I'm using a <textarea> so I can't simply use a length attribute like in a <input type="text">. I use document.getElementById("text").value.length to get the string length. I'm running Firefox 3.0 on Windows (but I've tested this behavior with IE 6 also). The form gets submitted to a J2EE servlet. In my Java servlet the string length of the parameter is larger than 2000! I've noticed that this can easily be reproduced by adding carriage returns in the <textarea>. I've used Firebug to assert the length of the <textare> and it really is 2000 characters long. On the Java side though, the carriage returns get converted to UNIX style (\r\n, instead of \n), thus the string length differs! Am I missing something obvious here or what ? If not, how would you reliably (cross-platform / browser) make sure that the <textarea> is limited.

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  • how is google Calculator implemented ?

    - by AlgoMan
    When you search in Google "100F to C" how does it know to convert from Fahrenheit to Celsius. Similarly, conversion from different currencies and simple calculation. What is the data structure used. Or is it simple pattern matching the strings ?

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  • jQuery to get innerHTML not working on a HTMLFontElement object...

    - by Matt
    I have jQuery to select all font elements that are children of the element with id="right" within the html stored in the var html... when I do an alert to see how many elements it gets: alert($("#right > font", html).length); it gives me an alert of: 5 but when I try any of the following, I don't get any alerts... alert($("#right > font", html)[0].html()); alert($("#right > font", html)[0].text()); alert($("#right > font", html)[0].val()); Any Ideas? Thanks, Matt

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  • What is the complexity of the below code with respect to memory ?

    - by Cshah
    Hi, I read about Big-O Notation from here and had few questions on calculating the complexity.So for the below code i have calculated the complexity. need your inputs for the same. private void reverse(String strToRevers) { if(strToRevers.length() == 0) { return ; } else { reverse(strToRevers.substring(1)); System.out.print(strToRevers.charAt(0)); } } If the memory factor is considered then the complexity of above code for a string of n characters is O(n^2). The explanation is for a string that consists of n characters, the below function would be called recursively n-1 times and each function call creates a string of single character(stringToReverse.charAT(0)). Hence it is n*(n-1)*2 which translates to o(n^2). Let me know if this is right ?

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