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• Java - Count words in two documents

  - by user552961

  Good Morning - it is school assignment, I am not asking for any source code (if you can provide any pesudo code it would be awesome). Here is the problem :( I have to create a term frequency table. It is not pure TF, I just need to count the words and write down. I know basic steps to do it 1 - extract all terms (I can do it with file reader) 2 - remove repeating terms (I can do it with TreeMap) The output of 2nd step would be Niga, ponga, dinga, bitlo, etc. 3 - Now I have to see if there is any word in current file from above terms or not, if yes then I will count. Now this is my problem, I stucked on step 3 :( I have some idea how to count words with TreeMap (treemap.containskey etc.) but it would be global count not local count for each file :( Any pseudo code?

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• How do I setup Eclipse to stop on the line an exception occured?

  - by Chris Persichetti

  Hi, How can I setup Eclipse to stop at the point an exception occurred. I have an Eclipse breakpoint setup to break on an exception. In the code example below, the problem I'm having is Eclipse tries to open the Integer source code. Is there any way to just have debugger break at the point shown in my code example? If I move down the stack trace, I will get to this line, it'd be nice if there's a way to do this without the "Source not found" window coming up. This can be done in Visual Studio, so it's driving me crazy not being able to find a way to do this in Eclipse. package com.test; public class QuickTest { public static void main(String[] args) { try { test(); } catch(NumberFormatException e) { System.out.println(e.getMessage()); } } private static void test() { String str = "notAnumber"; Integer.parseInt(str);//<----I want debugger to stop here } }

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• Delegate Method only Firing after 5 or so Button Presses?

  - by CoDEFRo

  I'm having the most bizarre problem which I'm not even close to figuring out. I have a button which fires a delegate method. Once upon a time it was working fine, but after making some changes to my code, now the delegate method only fires after I push the button x amount of times (the changes I made to the code had nothing to do with the infrastructure that connects the delegate together). It varies, it can be 5 times to 10 times. I used the analyzer to check for memory leaks and there aren't any. There is too much code for me to paste here (I don't even know where to start or where the problem could be), but I'm wondering if anyone has experienced this problem before, or what could be causing it? This is very odd and have no clue what could be causing it.

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• Can return and else statements be used interchangable in CFScript?

  - by Mel

  I would like to know your opinion on using return and else statements interchangeably in CFScript. I generally use the following syntax: if (something) { // Do something } else { // Do something else } It recently occurred to me I could do this instead: if (something) { // Do something return; } // Do something else Would those two styles yield a different end result? I like not having to wrap code in an else statement. My thinking is that if the if statement evaluates true and returns, the code below it will not run. If it does not evaluate true, then the code below it will run regardless of whether it is wrapped in an else statement or not. Does that sound write?

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• Template can not be resolved to a type

  - by chaoticca

  I have this code in an android project, which I am working on, where SomeService refers to SomeService.template. Intent intent = new Intent(getApplicationContext(), SomeService.class); bindService(intent, conn, 0); when I run my code, however, I become this error: "SomeService can not be resolved to a type. - Java Problem" This code was not written by me. I need it for farther use, but I can not even test, if it does, what it's supposed to be doing. Where should I look for an error?

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• strategy to allocate/free lots of small objects

  - by aaa

  hello I am toying with certain caching algorithm, which is challenging somewhat. Basically, it needs to allocate lots of small objects (double arrays, < 256 elements), with objects accessible through mapped value, map[key] = array. time to initialized array may be quite large, generally more than 10 thousand cpu cycles. By lots I mean around gigabyte in total. objects may need to be popped/pushed as needed, generally in random places, one object at a time. lifetime of an object is generally long, minutes or more, however, object may be subject to allocation/deallocation several times during duration of program. What would be good strategy to avoid memory fragmentation, while still maintaining reasonable allocate deallocate speed? I am using C++, so I can use new and malloc. Thanks. I know there a similar questions on website, http://stackoverflow.com/questions/2156745/efficiently-allocating-many-short-lived-small-objects, are somewhat different, thread safety is not immediate issue for me.

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• Creating a file path in C#

  - by Jason

  So I'm trying to create a path in C#. I use Environment.Machinename and store it a variable serverName. Then I create another string variable and have some other path extension in there. Here is my code so far: string serverName = Environment.MachineName; string folderName = "\\AlarmLogger"; No matter what I do I can't seem to obtain only one backslash prior to AlarmLogger. Any ideas how I can specify a path in C#? Edit: I'm wondering if my code doesn't seem to want to paste correctly. Anyways when i paste it I only see one backslash but my code has two. Because of the escape character sequence. But something like string test = @"\" + serverName + folderName doesn't seem to want to work for me.

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• javascript regular expressions

  - by Zhasulan Berdybekov

  Help me with regular expressions. I need to check the text on the hour and minute. That is the first case, the text can be from 0 to 12. In the second case, the text can be from 1 to 60. this is my code: var hourRegEx = /^([0-9]{2})$/; //You can fix this line of code? $(document).ready( function(){ $('form.form').submit(function(){ if( $('input.hour').val().match(hourRegEx) ){ return true; } return false; }); }); In my case, the code says that, for example 52, too, the correct answer

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• Can ANYONE get _lockroot to work?

  - by webfac

  Hi Guys, I have the following code which ultimately loads a SWF into movieclip 'myloader' using a movie clip loader, code as follows: var myload:MovieClipLoader = new MovieClipLoader(); var listener:Object = new Object(); myload.addListener(listener); listener.onLoadStart = function(){ animcontainer.myloader._lockroot = true; trace("Started"); } listener.onLoadInit = function(){ animcontainer.myloader._lockroot = true; trace("finished and locked"); } listener.onLoadComplete = function(){ animcontainer.myloader._lockroot = true; } myload.loadClip(path, animcontainer.myloader); The swf I am loading has pause, rewind and play buttons that must be referencing _root as they work fine when played alone. Upon loading them into myloader they no longer work. Based on the above code surely the myloader clip should be locking as _root after the load is complete? I have Googled myself dry on this one, no luck. ANY help will be much appreciated, Thanks.

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• Duplication in mysql/php

  - by user1334095

  I have a problem in the code.i have two tables 'sms' and 'bd_paid_bribe'.sms table has a column 'Message' and bd_paid_bribe table has a column 'c_addi_info'.when i execute the code first time all the values of Message column are inserted into c_addi_info column.when i enter a record for the second time instead of inserting the new record, all the records of Message column are inserted into bd_paid_bribe column.can u modify the code and provide a solution to avoid duplication and to insert only the newly added record. <?php $con=mysql_connect('localhost','root',''); if(!$con) { die("couldn't connect"); } mysql_select_db("ipab2",$con); $rs2=mysql_query(" select max(sms_index) from tab3"); do { $rs=mysql_query("insert into tab3(sms_index)select max(sms_index) from sms"); $rs3=mysql_query("SELECT max(sms_index) FROM sms"); $rs1=mysql_query("insert into bd_paid_bribe(c_addi_info) select Message from sms "); }while($rs2>$rs3); ?>

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• question about adding another column to a sql statement

  - by every_answer_gets_a_point

  i am starting with this table: SELECT [Lab Occurrence Form].[Practice Code], [Lab Occurrence Form].[1 0 Preanalytical (Before Testing)], Count([Lab Occurrence Form].[1 0 Preanalytical (Before Testing)]) AS [CountOf1 0 Preanalytical (Before Testing)] FROM [Lab Occurrence Form] WHERE ((([Lab Occurrence Form].[Occurrence Date]) Between [Forms]![By Number]![Text4] And [Forms]![By Number]![Text2])) GROUP BY [Lab Occurrence Form].[Practice Code], [Lab Occurrence Form].[1 0 Preanalytical (Before Testing)] HAVING ((([Lab Occurrence Form].[Practice Code])<>"") AND ((Count([Lab Occurrence Form].[1 0 Preanalytical (Before Testing)]))<>0)); it selects 3 columns but i need to aggregate the comments and put it in the fourth column where the first two values are the same

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• Downloading image from server without file extension (NSData to UIImage)

  - by Msencenb

  From my server I'm pulling down a url that is supposed to simply be a profile image. The relevant code for pulling down the image from the urls is this: NSString *urlString = [NSString stringWithFormat:@"%@%@",kBaseURL,profile_image_url]; profilePic = [UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:urlString]]]; My url is in the format (note no file extension on the end since its dynamically rendered) localhost:8000/people/1/profile_image If I load the url in my browser the image displays; however the code above for pulling down the UIImage does not work. I've verified that the code does pull an image from a random site on the interwebs. Any thoughts on why this is happening?

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• C# performance of static string[] contains() (slooooow) vs. == operator

  - by Andrew White

  Hiya, Just a quick query: I had a piece of code which compared a string against a long list of values, e.g. if(str == "string1" || str = "string2" || str == "string3" || str = "string4". DoSomething(); And the interest of code clarity and maintainability I changed it to public static string[] strValues = { "String1", "String2", "String3", "String4"}; ... if(strValues.Contains(str) DoSomething(); Only to find the code execution time went from 2.5secs to 6.8secs (executed ca. 200,000 times). I certainly understand a slight performance trade off, but 300%? Anyway I could define the static strings differently to enhance performance? Cheers.

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• onPerformSync() is not triggered after ContentResolver.requestSync() call

  - by mark

  I am trying to implement sync adaptor, I have followed This guide. But onPerformSync() is not triggered after ContentResolver.requestSync() call . I have also tried some other tutorials and tried to run their code, but still same issue. Please tell me does I need to do some extra configuration for this. My code of triggering sync operation is as folows : Account newAccount = new Account(GlobalInfo.ACCOUNT, GlobalInfo.ACCOUNT_TYPE); AccountManager accountManager = (AccountManager) this.getSystemService(ACCOUNT_SERVICE); accountManager.addAccountExplicitly(newAccount, null, null); ContentResolver.requestSync(newAccount,GlobalInfo.AUTHORITY, Bundle.EMPTY); Please guide me to solve this issue. EDIT : Accounted created (in Settings - Accounts and Sync settings) by above code showing sync is off

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• How to make paging off of vertical direction in WWDC2010 photoScroller.

  - by user357383

  In WWDC2010 sample code "photoScroller", in landscape mode, I want to change image size to 480*751. But there is vertical paging in this mode. In this sample, zooming mode doesn't have vertical paging. So I want to same as this. Please teach me how to fix this sample code. I changed this code as follows. - (CGRect)frameForPagingScrollView { CGRect frame = CGRectMake(0, 0, 480, 751); frame.origin.x -= PADDING; frame.size.width += (2 * PADDING); return frame; } Thank you

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• How are builds deployed into QA->Staging->Production for ASP.NET Web Applications?

  - by CodeToGlory

  Secondary questions are How do we best utilize SCM in the build process? How are code files labed and branched? Should we the .csproj and .sln files for build? How flexible are these when deploying to several environments? I know these are msbuild files. But as we add new files, this can become a bottlenect of updating and maintaining these .csproj files in SCM. How is rollback done in case of failed builds that QA missed testing etc,etc., Are there any good articles on the build process? This is more a question on the process and less on the choice of automated build tools. Please share your build process. I would like to get an end-to-end view from developers checking-in to Going Live.

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• construct a unique number for a string in java

  - by praveen

  We have a requirement of reading/writing more than 10 million strings into a file. Also we do not want duplicates in the file. Since the strings would be flushed to a file as soon as they are read we are not maintaining it in memory. We cannot use hashcode because of collisions in the hash code due to which we might miss a string as duplicate. Two other approaches i found in my googling: 1.Use a message digest algorithm like MD5 - but it might be too costly to calculate and store. 2.Use a checksum algorithm. [i am not sure if this produces a unique key for a string- can someone please confirm] Is there any other approach avaiable. Thanks.

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• Is it possible to create a branch from a tag in TortoiseSVN without first checking out the tag from

  - by Scott Vierregger

  Our trunk directory contains about 100mb of code and we create tags from the trunk directory. Normally, this is not an issue because a tag takes up no space until you need to use it for something. Since branches are created from tags in SVN, how can I create a branch from a tag wtihout first checking out the tag? It appears I need to do a Tortoise Update from Windows Explorer to get the tag down to my local machine before I can use Tortoise Branch/Tag... to create a branch from it. This seems illogical since we don't make changes to tag folders, and it requires that I check out 100mb of code, only to create a branch, and then check out another 100mb of code in the branch folder, where the changes will actually be made. Ideally, I'd be able to create a branch directly in the repository via RepoBrowser - but I can't see an option for it there. Am I missing something?

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• c++ - what is faster ?

  - by VaioIsBorn

  If we have the following 2 snippets of code in c++ that do the same task: int a, b=somenumber; while(b > 0) { a = b % 3; b /= 3; } or int b=somenumber; while(b > 0) { int a=b%3; b /= 3; } I don't know much about computer architecture/c++ design, but i think that the first code is faster because it declares the integer a at the beginning and just uses it in the while-loop, and in the second code the integer a is being declared everytime the while-loop starts over. Can some one help me with this, am i correct or what and why ?

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• Jumping over a While loop in Debug mode

  - by BDotA

  Here is the scenario: I put a break point at the beginning of a method that I want to debug... at first lets say there is Part1 in this method that I want to step into/over some of the codes... good... after that there is a While loop that I am NOT interested to step into/over it, I just want to tell the debugger that Hey you yourself run this loop for 10 times and just let me move to Part2 of my code which starts after this While loop , is it possible to do this with debugging options? so something like this : BreakPoint : MyMethod { Part One of the code : Ok, lets debug it While Loop : I do not care, Do not want to debug it Part Two of the code: Yes, I want to debug it too }

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• Conditional Branching Issues

  - by Zack

  Here is the code: def main_menu print_main_menu user_selected = gets.chomp if user_selected.downcase == "no" main_menu elsif user_selected == "1" || "2" || "3" || "4" || "5" || "6" || "7" user_selected = user_selected.to_i call_option(user_selected) else main_menu end end This code uses calls to allow a user to make a selection from a main menu. Depending on the input, be it a certain number, a certain word, or something else, the respective method is called (in the case of a valid input) or the main menu is printed again (in the case of an invalid input or "no"). My questions are twofold. 1) Is there an efficient way to get rid of the literal string error that appears as a result of this redundant or statement on the elsif line? (the code itself works fine, but this error appears and is frustrating). 2) When an alternate/unspecified input is made by the user, the else branch doesn't execute and main_method doesn't start over. I have no idea why this is happening. Is there something I'm missing here? Thanks

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• Problem in the Android documentation

  - by Nick

  Hi all, This is my first post ever -- I love the Android SDK (been at it for a week), but I did notice a small typo in the official documentation that needs correcting. Not sure if this is where I post it, but on this page: http://developer.android.com/reference/android/os/CountDownTimer.html within the example source code, the source says "CountdownTimer" on line one when it should say "CountDownTimer" (notice the capitalization of the letter "D"). An easy fix for one with programming experience, but the code as written will not compile, which could be confusing for someone using this code for the first time. Is this where documentation bugs are submitted, and if not, where should I go to request the fix? Thanks all!

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• memory access violation error - 0xC0000005

  - by nobody

  I got memory access violation error sometimes.... but I don't know where the error comes from... So I reviewed the code and I found some strange code... delete m_p1; A *a = new A(); a->b = *c; m_p1 = a; --> strange code. I think it's a little strange line.... can i use the m_p1 after delete the m_p1? It can make some memory access error??

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• A Form(?) appears briefly outside of Form1 when adding a control to it

  - by ispiro

  I have a program which creates new Controls (actually - Form's with TopLevel = false) and puts them on a Panel which is on Form1. For some reason, this is usually followed by what seems like a Form appearing very briefly outside of Form1. It's hard to tell exactly what's happening because it's so brief. Perhaps it's Form1 moving there (and changing its size) and then returning. Or perhaps it's the Form that's being put on Form1 that appears there (though how could that happen at all? It's out of Form1!). I couldn't find anything in the code that might cause it, and the whole code is way too long to post here. (The relevant code is simply: MyPanel.Controls.Add(newForm);.) Is there any known bug that might cause this?

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• Beginner for Delphi Network!

  - by Blagoj

  Hello, I worked in Delphi 6 a few years. Now I was beginning in Delphi network and I need some source code For following things: I want make chat application which to have two peer to peer clients But I don’t know how I to measure time for two clients and show it on both Screens. I also want to mark first client with 1,second with 2 ,,,,, In some application I want to have value who accounting number of sending of both clients Generally does it exist variable which is mutual for both clients?! Can somebody to send me source code of this kind?! Comments in source code will be welcome. Thank You Blagoj [email removed, return to this site for answer(s)]

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