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• Create a string with n characters.

  - by C. Ross

  Is there a way in java to create a string with a specified number of a specified character? In my case I would need to create a string with 10 spaces. My current code is: StringBuffer outputBuffer = new StringBuffer(length); for (int i = 0; i < length; i++){ outputBuffer.append(" "); } return outputBuffer.toString(); Is there a better way to accomplish the same thing. In particular I'd like something that is fast (in terms of execution).

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• while loop / string input not working java

  - by Mikeecb

  I have looked online and all of the tutorials / questions have pointed me to this. I can't see why this isn't working. Any help would be much appreciated. Thanks import java.util.*; public class test { static Scanner userInput = new Scanner(System.in); public static void main(String[] args) { String textEntered = userInput.next(); if (textEntered == "hello") { System.out.println("Hello to you too!"); } } } I enter "hello" but nothing is printed. Also I have tried next() and nextLine();

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• Crystal Reports Formula Workshop boolean condition to string

  - by Jay

  I'm currently trying to create a report using Crystal Reports that comes with Visual Studio 2008. I would like to include a field of type boolean on my report that shows a string rather than true or false. The string should contain either contain a € or a % sign. How would I go about doing this in the Formula Workshop? I've tried things like e.g. if {tblAankoopDetails.SoortKorting} = true then "€" else "%" However this never seems to work and results in warnings such as "The formula result must be a number". This should be fairly simple but this is my first go at using Crystal Reports. Help would be much appreciated. Jay

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• Does string inherits from Object in Javascript?

  - by Morgan Cheng

  Is Object the base class of all objects in Javascript, just like other language such as Java & C#? I tried below code in Firefox with Firebug installed. var t = new Object(); var s1 = new String('str'); var s2 = 'str'; console.log(typeof t); console.log(typeof s1); console.log(typeof s2); The console output is object object string So, s1 and s2 are of diffeent type?

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• Converting c++ string to int

  - by skazhy

  Hi! I have the following data in a c++ string John Doe 01.01.1970 I need to extract the date and time from it into int variables. I tried it like this: int last_space = text_string.find_last_of(' '); int day = int(text_string.substr(last_space + 1, 2)); But I got invalid cast from type ‘std::basic_string’ to type ‘int’. When I extract the "John Doe" part in another string variable, all works fine. What's wrong? I am trying to compile it with g++ -Wall -Werror.

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• Finding if a string is an iterative substring?

  - by EsotericMe

  I have a string S. How can I find if the string follows S = nT. Examples: Function should return true if 1) S = "abab" 2) S = "abcdabcd" 3) S = "abcabcabc" 4) S = "zzxzzxzzx" But if S="abcb" returns false. I though maybe we can repeatedly call KMP on substrings of S and then decide. eg: for "abab": call on KMP on "a". it returns 2(two instances). now 2*len("a")!=len(s) call on KMP on "ab". it returns 2. now 2*len("ab")==len(s) so return true Can you suggest any better algorithms?

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• Passing a String from PHP to a JavaScript function

  - by user635614

  Hello. am trying to write a code to pass a php string when clicked on the table : <?php . . . echo("<td onclick = 'print_("$file[$i]->Name");' >". $files[$i]->Name."</td>"); ... ?> where files[] is an array, and each element is a class with Name as a String, and it is put in a ''for'' loop, Am trying to pass it to a JavaScript function where i need the name there,and it's not working,i tried passing the i variable and it was passed correctly so i thought there should be a special syntax for dealing with strings... function print_(var x) { alert(x);}

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• Java: getting incorrect string.length() after using trim()

  - by Jan

  for the string "22" i get a length of 3 i did use .trim() what else could be a reason for this?

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• Serialze an Object to a String

  - by Vaccano

  I have the following method to save an Object to a file: // Save an object out to the disk public static void SerializeObject<T>(this T toSerialize, String filename) { XmlSerializer xmlSerializer = new XmlSerializer(toSerialize.GetType()); TextWriter textWriter = new StreamWriter(filename); xmlSerializer.Serialize(textWriter, toSerialize); textWriter.Close(); } I confess I did not write it (I only converted it to a extension method that took a type parameter). Now I need it to give the xml back to me as a string (rather than save it to a file). I am looking into it, but I have not figured it out yet. I thought this might be really easy for someone familiar with these objects. If not I will figure it out eventually.

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• duplicate characters in a string

  - by Codenotguru

  Code to remove the duplicate characters in a string without using any additional buffer?

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• C - range of characters in a string

  - by Jay

  Is there a function to get a range of characters in a text string or would i need make my own?

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• Unusual conversion error (string to integer) asp.net

  - by Phil

  I have my repeater item template: <ItemTemplate> <tr><td><%#Container.DataItem("Category")%></td></tr> </ItemTemplate> Hooked up to: s = "SQL that works ok on server" x = New SqlCommand(s, c) x.Parameters.Add("@contentid", SqlDbType.Int) x.Parameters("@contentid").Value = contentid c.Open() r = x.ExecuteReader If r.HasRows Then Linksrepeater.DataSource = r Linksrepeater.DataBind() End If c.Close() r.Close() When I run the code I get: Invalid Cast Exception was not handled by user code (Conversion from string "category" to type 'Integer' is not valid.) I'm not sure how / why it is trying to convert "Category" to integer as in the db it is a string. Can you please tell me how to avoid this error? thanks.

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• Call function based off of a string in Lisp

  - by powerj1984

  I am passing in command line arguments to my Lisp program and they are formatted like this when they hit my main function: ("1 1 1" "dot" "2 2 2") I have a dot function and would like to call it directly from the argument, but this isn't possible because something like (funcall (second args)...) receives "dot" and not dot as the function name. I tried variations of this function: (defun remove-quotes (s) (setf (aref s 0) '"")) to no avail, before realizing that the quotes were not really a part of the string. Is there a simple way to do this, or should I just check each string and then call the appropriate function? Thanks!

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• Split string on first two colons

  - by Mark Miller

  I would like to split a column of strings on the first two colons, but not on any subsequent colons: my.data <- read.table(text=' my.string some.data 12:34:56:78 -100 87:65:43:21 -200 a4:b6:c8888 -300 11:bb:ccccc -400 uu:vv:ww:xx -500', header = TRUE) desired.result <- read.table(text=' my.string1 my.string2 my.string3 some.data 12 34 56:78 -100 87 65 43:21 -200 a4 b6 c8888 -300 11 bb ccccc -400 uu vv ww:xx -500', header = TRUE) I have searched extensively and the following question is the closest to my current dilemma: Split on first comma in string Thank you for any suggestions. I prefer to use base R.

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• PHP: Return string between two characters

  - by Nic Hubbard

  I am wanting to use "keywords" within a large string. These keywords start and end using *my_keyword* and are user defined. How, within a large string, can I search and find what is between the two * characters and return each instance? The reason it might change it, that parts of the keywords can be user defined, such as *page_date_Y* which might show the year in which the page was created. So, again, I just need to do a search and return what is between those * characters. Is this possible, or is there a better way of doing this if I don't know the "keyword" length or what i might be?

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• detect a string contained by another discontinuously

  - by SpawnCxy

  Recently I'm working on bad content(such as advertise post) filter of a BBS.And I write a function to detect a string is in another string not continuously.Code as below: $str = 'helloguys'; $substr1 = 'hlu'; $substr2 = 'elf'; function detect($a,$b) //function that detect a in b { $c = ''; for($i=0;$i<=strlen($a);$i++) { for($j=0;$j<=strlen($b);$j++) { if($a[$i] == $b[$j]) { $b=substr($b,$j+1); $c .=$a[$i]; break; } } } if($c == $a) return true; else return false; } var_dump(detect($substr1,$str)); //true var_dump(detect($substr2,$str)); //false Since the filter works before the users do their posts so I think the efficiency here is important.And I wonder if there's any better solution? Thanks!

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• C++ string how to

  - by typoknig

  This is a very simple question and I feel stupid for asking it, but I am pressed for time and I need to figure it out :) I just need to know how to make a string that contains text and other variables. For instance in Java I can just do this: String someString; for(int i = 0; i>10; i++){ someString = ("this text has printed " + i + " times"); //how do I create this line in C++? System.out.println(someString); i++; }

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• from string to array (PHP)

  - by Valdas

  best way to make array from string? Very thanks.

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• the difference of String.valueOf(char) and +

  - by Will Yu

  to show the default value of char ,I wrote code like this: public class TestChar { static char a; public static void main(String[] args) { System.out.println("."+String.valueOf(a)+"."); System.out.println("the default char is "+a); } } but the console output is confused.the first is ". ." ,however the second is "the default char is [](like this ,I don't know how to describe it.)" why?thanks for help

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• PHP String to Float

  - by John

  I am not familiar with PHP at all and had a quick question. I have 2 variables @pricePerUnit and @invoicedUnits. Here's the code that is setting these to values: $InvoicedUnits = ((string) $InvoiceLineItem->InvoicedUnits); $pricePerUnit = ((string) $InvoiceLineItem->PricePerUnit); If I output this, I get the correct values. Lets say 5000 invoiced units and 1.00 for price. Now, I need to show the total amount spent. When I multiply these two together it doesn't work (as expected, these are strings). But I have no clue how to parse/cast/convert variables in PHP. What should I do?

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• How to return a string from char[] array using recursion loop.(java)

  - by Daniel

  I am very bed in recursion... I need to convert a char[] array by using recursion loop only, into string. Without using for(),while()... loops. For example if i have char array: a[0]='H', a[1]='e', a[2]='l',a[3]= 'l',a[4]= 'o', it returns H e l l o. What I doing wrong? public String toFormattedString(char[] a) { int temp =a.length; if (a == null) return "null"; if (a.length == 0) return "0"; if( a.length == 1 ) else if( a[0] == a[a.length] ) return toFormattedString (a[a.length -1])+a[a.length];

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• How do I parse file paths separated by a space in a string?

  - by user1130637

  Background: I am working in Automator on a wrapper to a command line utility. I need a way to separate an arbitrary number of file paths delimited by a single space from a single string, so that I may remove all but the first file path to pass to the program. Example input string: /Users/bobby/diddy dum/ding.mp4 /Users/jimmy/gone mia/come back jimmy.mp3 ... Desired output: /Users/bobby/diddy dum/ding.mp4 Part of the problem is the inflexibility on the Automator end of things. I'm using an Automator action which returns unescaped POSIX filepaths delimited by a space (or comma). This is unfortunate because: 1. I cannot ensure file/folder names will not contain either a space or comma, and 2. the only inadmissible character in Mac OS X filenames (as far as I can tell) is :. There are options which allow me to enclose the file paths in double or single quotes, or angle brackets. The program itself accepts the argument of the aforementioned input string, so there must be a way of separating the paths. I just do not have a keen enough eye to see how to do it with sed or awk. At first I thought I'll just use sed to replace every [space]/ with [newline]/ and then trim all but the first line, but that leaves the loophole open for folders whose names end with a space. If I use the comma delimiter, the same happens, just for a comma instead. If I encapsulate in double or single quotation marks, I am opening another can of worms for filenames with those characters. The image/link is the relevant part of my Automator workflow. -- UPDATE -- I was able to achieve what I wanted in a rather roundabout way. It's hardly elegant but here is working generalized code: path="/Users/bobby/diddy dum/ding.mp4 /Users/jimmy/gone mia/come back jimmy.mp3" # using colon because it's an inadmissible Mac OS X # filename character, perfect for separating # also, unlike [space], multiple colons do not collapse IFS=: # replace all spaces with colons colpath=$(echo "$path" | sed 's/ /:/g') # place words from colon-ized file path into array # e.g. three spaces -> three colons -> two empty words j=1 for word in $colpath do filearray[$j]="$word" j=$j+1 done # reconstruct file path word by word # after each addition, check file existence # if non-existent, re-add lost [space] and continue until found name="" for seg in "${filearray[@]}" do name="$name$seg" if [[ -f "$name" ]] then echo "$name" break fi name="$name " done All this trouble because the default IFS doesn't count "emptiness" between the spaces as words, but rather collapses them all.

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• SOAP PHP Parsing Error?

  - by Josh

  I'm communicating with a SOAP service created with EJB -- it intermittently fails, and I've found a case where I can reliably reproduce. I'm getting a funky ass SOAP fault that says "looks like we got not XML," however, when retrieving the last response I get what is listed below (and what looks like valid XML to me). Any thoughts? Soap Fault: object(SoapFault)#2 (9) { ["message:protected"]=> string(33) "looks like we got no XML document" ["string:private"]=> string(0) "" ["code:protected"]=> int(0) ["file:protected"]=> string(40) "/Users/josh/Sites/blahblahblah/test-update.php" ["line:protected"]=> int(26) ["trace:private"]=> array(2) { [0]=> array(4) { ["function"]=> string(6) "__call" ["class"]=> string(10) "SoapClient" ["type"]=> string(2) "->" ["args"]=> array(2) { [0]=> string(24) "UpdateApplicationProfile" [1]=> array(1) { [0]=> array(2) { ["suid"]=> string(36) "62eb56ee-45de-4971-9234-54d72bbcd0e4" ["appid"]=> string(36) "6be2f269-4ddc-48af-9d47-30b7cf3d0499" } } } } [1]=> array(6) { ["file"]=> string(40) "/Users/josh/Sites/blahblahblah/test-update.php" ["line"]=> int(26) ["function"]=> string(24) "UpdateApplicationProfile" ["class"]=> string(10) "SoapClient" ["type"]=> string(2) "->" ["args"]=> array(1) { [0]=> array(2) { ["suid"]=> string(36) "62eb56ee-45de-4971-9234-54d72bbcd0e4" ["appid"]=> string(36) "6be2f269-4ddc-48af-9d47-30b7cf3d0499" } } } } ["faultstring"]=> string(33) "looks like we got no XML document" ["faultcode"]=> string(6) "Client" ["faultcodens"]=> string(41) "http://schemas.xmlsoap.org/soap/envelope/" } And the actual raw XML response using client-__getLastResponse(): <env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'> <env:Header> </env:Header> <env:Body> <ns2:UpdateApplicationProfileResponse xmlns:ns2="blahblahblah"> <paramname>status</paramname> <paramname>location</paramname> <paramname>timezone</paramname> <paramname>homepage</paramname> <paramname>nickname</paramname> <paramname>firstName</paramname> <paramname>languages</paramname> <paramname>color</paramname> <paramname>lastName</paramname> <paramname>gender</paramname> <paramvalue></paramvalue> <paramvalue></paramvalue> <paramvalue></paramvalue> <paramvalue></paramvalue> <paramvalue>XXX XXX</paramvalue> <paramvalue>XXX</paramvalue> <paramvalue></paramvalue> <paramvalue>CA0008</paramvalue> <paramvalue>XXX</paramvalue> <paramvalue></paramvalue> </ns2:UpdateApplicationProfileResponse> </env:Body> </env:Envelope>

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• dpkg: error: parsing file '/var/lib/dpkg/status' near line 6449

  - by mpole

  Good evening. This problem occured when trying to update using the update manager. A problem occured so I cleared all the cache and tried to update once again this time in terminal, and it spat out: dpkg: error: parsing file '/var/lib/dpkg/status' near line 6449 missing package name After opening up 'status' with gedit and going to line 6449, I found that nothing was on that line but the following was before and after it. This package contains the Mono System.Configuration library for CLI 4.0. Original-Maintainer: Debian Mono Group <[email protected])oth.debian.org> Homepage: http://www.mono-project.com/ <<<<---- LINE 6449 Package: bzip2 Status: install ok installed Priority: optional Section: utils Installed-Size: 160 Maintainer: Ubuntu Developers <[email protected]> <<<<--- LINE 6449 is obviously not on the file, but I can't see whats wrong here? anybody have an idea? Thanks! Edit: I have tried running: sudo apt-get install --fix-missing sudo dpkg --clear-avail But no good...

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• HTML Parsing for multiple input files using java code [closed]

  - by mkp

  FileReader f0 = new FileReader("123.html"); StringBuilder sb = new StringBuilder(); BufferedReader br = new BufferedReader(f0); while((temp1=br.readLine())!=null) { sb.append(temp1); } String para = sb.toString().replaceAll("<br>","\n"); String textonly = Jsoup.parse(para).text(); System.out.println(textonly); FileWriter f1=new FileWriter("123.txt"); char buf1[] = new char[textonly.length()]; textonly.getChars(0,textonly.length(),buf1,0); for(i=0;i<buf1.length;i++) { if(buf1[i]=='\n') f1.write("\r\n"); f1.write(buf1[i]); } I've this code but it is taking only one file at a time. I want to select multiple files. I've 2000 files and I've given them numbering name from 1 to 2000 as "1.html". So I want to give for loop like for(i=1;i<=2000;i++) and after executing separate txt file should be generated.

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