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• Comapring pitches with digital audio

  - by user2250569

  I work on application which will compare musical notes with digital audio. My first idea was analyzes wav file (or sound in real-time) with some polyphonic pitch algorithms and gets notes and chords from this file and subsequently compared with notes in dataset. I went through a lot of pages and it seems to be a lot of hard work because existing implementations and algorithms are mainly/only focus on monophonic sound. Now, I got the idea to do this in the opposite way. In dataset I have for example note: A4 or better example chord: A4 B4 H4. And my idea is make some wave (or whatever I don't know what) from this note or chord and then compared with piece of digital audio. Is this good idea? Is it better/harder solution? If yes can you recommend me how to do it?

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• Calling R Script from within C-Code

  - by tiny81

  Hi, Is there a way to call an R-Script within C-Code? I did find the R Api for C (chaper 6. of the 'Writing R Extensions' manual), but as far as I understood this does "only" allow to call the C-Implementation of R. Of cause I could call the R-Script via shell, but that's no solution for me, since this does not allow proper passing of data (at least no if I don't what to write the data into a Csv-File or something like this). Is there a easy way of using the R to C parser beforehand? Any hints you can give me? regards, Tiny

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• Merging $.get and $.ready

  - by cwolves

  Put simply I have an ajax call that sometimes completes before the page is loaded, so I tried wrapping the callback in $( fn ), but the callback doesn't fire if the page is loaded... Anyone have a good solution to this? $.get( '/foo.json', function( data ){ $( function(){ // won't get here if page ready beats the ajax call // process data $( '.someDiv' ).append( someData ); } ); } ); And yes, I know that if I flipped the order of those it would always work, but then my ajax calls would be needlessly deferred until the document is ready.

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• How to create "lock" (stop updating of cells) in Excel?

  - by Oozi

  My question is pretty simple, but one to which I can't really find a solution myself. I use Excel quite frequently, but rarely the fancy stuff. Anyway, to the point: How do I create a dropmenu that will lock certain cells, rows or columns? (by lock I mean unable to change via hand and stops updating itself). Example: A1 = 5 B1 = A1 * 100 Can I "lock" the B1-cell, so that changing A1 will have no effect on B1 (Will remain at value 500)? I would preferably want to be able to "unlock" the cell as well, instead of simply making function into value. Is this possible? Thanks in advance!

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• [biztalk2006]can not decode base64 to xml plain text

  - by user622851

  I use biz2006 + rosettaNet as our EDI solution. Now I meet a issue that, when a partner send pip to us, the content(base64 encoded) could not been converted to XML plain text. Here're content of the pip we received. MIME-Version: 1.0 Content-Type: application/xml; charset="UTF-8"; RNSubType=service-header` Content-Transfer-Encoding: base64 Content-ID: 3e10e7db96b84cafbee51e66e020729f Content-Description: body Content-Disposition: attachment; filename="Attachment1" PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz48IURPQ1RZUEUgU2VydmljZUhl ...== I find a working format as below Content-Transfer-Encoding: binary <?xml version="1.0" encoding="UTF-8"?> Anyone could tell we how to solve the issue? Any suggestion is appreciated. Thanks.

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• @Path and regular expression (Jersey/REST)

  - by Castanho

  Hi there! I'm using Jersey in a REST project and I'm needing to use regular expression. Digging about it is simple like: @Path("/resources) public class MyResource { @GET @Path("{subResources:.*}/bar") public String get() {...} } But, I'm only capable of using regex if in my @Path contains a variable or text value, example: @Path("{SubResource1}/{subResources:.*}/bar") Or @Path("hardCodeString/{subResources:.*}/bar") Today I could run with this solution of a variable, but is not oK for my perspective. Question Does anyone have worked with something related? I'm doing something wrong? I think that this could be a bug, when working with more then one @Path, one in the Class and other in the Method. Any tips is appreciated! Regards

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• C++ Inheritance Question

  - by shaz

  I have a base class MessageHandler and 2 derived classes, MessageHandler_CB and MessageHandler_DQ. The derived classes redefine the handleMessage(...) method. MH_DQ processes a message and puts the result in a deque while MH_CB processes the message and then executes a callback function. The base class has a static callback function that I pass along with a this pointer to a library which calls the static callback when a new message is available for processing. My problem comes when I am in the static callback with a void * pointing to either a MH_DQ or a MH_CB. If I cast it to the base class the empty MessageHandler::handleMessage(...) method is called, rather than the version in the appropriate derived class. What is the best way to address this situation from a design perspective and/or what language features might help me to implement a solution to my problem? Thanks in advance!

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• jQuery cycle query

  - by Happy

  We have a script used for each .item: $(".item").each(function(){ item_link = "http://..."; block = $('.block', this); $.get(item_link, function(data) { var src = $('img.slide', data).attr('src'); block.html(src); }); }); item_link variable is uniquie for each query. There can be 100 .item or more. The problem is - server has limit on connections at the same time, that why some .item get var src, some not. The best solution is to use just one .get at the same time. I think there should be some counter, if .get is finished - it gives message "I'm finished, you can start" to the next .get and so on. How to do that? Thanks.

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• WPF binding: Doing a temperature converter app

  - by Bob

  Hi there, I'm doing a little app that basically has 2 text boxes. You'll enter Fahrenheit into TextBoxA and Celsius into TextBoxB. As the text changes in TextBoxA I want the equivalent Celsius value to be displayed in TextBoxB and vice versa. I can come up with a solution pretty easy for this but i'm trying to be a little clever. Is there a way to do it all in Xaml except for a Convert class that does the maths? So basically I want the TextChanged event of one textBox to pass in it's value into a Converter class that is evaluated and sent to the other TextBox and visa versa. Anyone know how I can achieve this ... and if it's possible at all?

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• Regex to find the text without a special character

  - by Hunter

  I have a paragraph, in that, some of the texts are surrounded with a specific html tag. I need to to find the text which are not surrounded by that specific html tag. For example AVG Antivirus for Smartphones and Tablets detects harmful apps and SMS. <font color='black'>AVG</font> Mobilation™ AntiVirus Pro for Android™ is a mobile security solution that helps protect your mobile device from viruses, malware, spyware and online exploitation in real-time. avg blah blah... I want to find the word AVG (case insensitive) which is not surrounded by <font color='black'> </font>. It can be part the word or single whole word. In the case of part of the text, the whole word containing the word AVG should not surrounded by that html tag How can I do it with Java?

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• AJAX - how to make autocomplete/autosuggestion and show results outside form, in table

  - by michael85

  hello im trying to make a simple page with search engine. i read, that if i want to implement autocomplete/autosuggest with form, i have to use ajax. thats ok for me. there are a lot solutions on the intenret, but unfortunetly all of them is the same script :/ and thats fine for me :) but i want to go further. i want to show autosuggest results in table for example below search form. the data is stored in a simple array (eventualy, source mysql) i know that kind of script isnt easy to write, so i ask you to give me a hint or something. trivial solution is use php, but this needs submit button. help, im stuck :)

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• How to check an exectuable's path is correct in PHP?

  - by nickf

  I'm writing a setup/installer script for my application, basically just a nice front end to the configuration file. One of the configuration variables is the executable path for mysql. After the user has typed it in (for example: /path/to/mysql-5.0/bin/mysql or just mysql if it is in their system PATH), I want to verify that it is correct. My initial reaction would be to try running it with "--version" to see what comes back. However, I quickly realised this would lead to me writing this line of code: shell_exec($somethingAUserHasEntered . " --version"); ...which is obviously a Very Bad Thing. Now, this is a setup script which is designed for trusted users only, and ones which probably already have relatively high level access to the system, but still I don't think the above solution is something I want to write. Is there a better way to verify the executable path? Perhaps one which doesn't expose a massive security hole?

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• how divide herader from binary data

  - by fixo2020

  Hi, I have this code: ofstream dest("test.txt",ios::binary); while (true){ size_t retval = recv (sd, buffer, sizeof(buffer), 0); dest.write(buffer,retval); if(retval <= 0) { delete[] buffer; break;} } Now, the recv() function return 4 bytes each loop right? and buffer contain it, this return all data so, pseudo-header and binary data (image), but I want know how capture only binary data, I know that the end of header are "\n\r" right? but what's are the solution better for make this? I make a function that detect when are "\n\r"? and after how capture binary data? Or, I put all data in memory, and after parse it? but how? I'm desperate :(

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• nginx - how do I get rewrite directives to execute before index directives?

  - by Daniel Hai

  I'm trying a simple internal rewrite with nginx to navigate to a sub-directory depending on the user_agent -- mobile browsers go to /mobile, otherwise they go to /www however it seems that when I rewrite these urls, the index directive is processed before the rewrites, so I end up getting 403 forbidden. # TEST FOR INDEX index index.php # TEST PHONES if ($http_user_agent ~* '(iPhone|iPod)') { rewrite ^(.*)$ /mobile$1 break; } # OTHERWISE WE ARE DONE rewrite ^(.*)$ /www$1 break; when I turn off the re-writes and hit the hostname (http://www.somehost.com/) the index is displayed correctly. When they are on, I have to explicitly navigate to somehost.com/index.php to get the script to run ... Do I have to explicity test for directories, and then re-write to an index.php file, or is there a simpler solution?

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• C#: Resource file refactoring

  - by Svish

  Does anyone know of a good tool for refactoring resources in a visual studio 2008 solution? We have a number of resource files with translated text in an assembly used for localizing our application. But they have gotten a bit messy... I would like to rename some of the keys, and move some of them into other resource files. And I would like those changes be done in my code, and the translated versions of the resource files as well. Maybe a some analysis on what strings are missing in the translated versions, and what strings have been removed from the original as well... Does anyone know of a good visual studio extension or ReSharper plugin that can help me with this? Right now it is kind of a pain, because I have to first rename the key in the base resource file, then in the localized versions. And then compile to get all the compile errors resulting from the key which now have a different name, and then go through and fix them all... very annoying =/

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• .BAT Switches Parsing

  - by giiYanJ

  Erm.. I'm working with a switches parsing in BAT files, which goes like this: <commands> -a -b -x -y -z -u abc ...... The user may input a lot of switch, or none. So I used looped shift to make parsing infinite switches possible: :loop IF "%1"=="-a" ... SHIFT GOTO loop But when the script ends, I always get cmd executing the switches and showing up error like '-n' is not recognized as an internal... So, someone got any idea? Thanks a lot... P/S: Make solution sticks with BAT script if possible as using other language may cause dependencies problem as this script is aimed on ANY computer with Windows. Finally, thanks again =) EDIT: Tried shf301 suggestion, i found out that I used DEL %0 to delete itself but it seems the %0 is shifted into the arguments because of the SHIFT command.

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• visual c# 2010 communicating between two projects

  - by cake is a joke

  I am trying to create a windows form project, and use speech recognition for the Kinect with the Kinect to Windows SDK. I have the form application project (p1) and the Kinect speech project (p2) which is a command prompt. I made it a command prompt because it was the easiest way to do things. Anyway, I have read and found two things about this. 1)I found out how to run two projects at the same time in the same solution. 2) I also found out how to add references to get classes from each project to the other. So, how would I get variables from each project? Just by using project references, or something? P2 can recognize speech and save it to variables, if that counts for anything.

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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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• Catch/Raise event on table data update C#

  - by Incognito

  Hi, I have 24/7 service which keeps setup (configuration data) for charging, routing and etc in the Sql Server. Once it is started it loads the data from table using Linq2SQL and use the data through all the application. And we need a solution to update the setup data in the table without restarting the application. So I am interested is it possible to catch/determine that the table was updated so I can refresh the setup data in the application. I mean is it possible to have events which will raise when there is any delete, update or insert on the table. Thank you.

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• how to integrate my users database table with the aspnet_users table that comes with asp.net members

  - by ooo

  i have a database that already has a users table COLUMNS: userID - int loginName - string First - string Last - string i just installed the asp.net membership table. Right now all of my tables are joined into my users table foreign keyed into the "userId" field How do i integrate asp.net_users table into my schema? here are the ideas i thought of: Add a membership_id field to my users table and on new inserts, include that new field in my users table. This seems like the cleanest way as i dont need to break any existing relationships. break all existing relationship and move all of the fields in my user table into the asp.net_users table. This seems like a pain but ultimately will lead to the most simple, normalized solution any thoughts?

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• Unable to generate a temporary class (result=1). error CS0030: Cannot convert type 'Type[]' to 'Type'?

  - by grady

  I get this error after I created a class from my xsd file using the xsd.exe tool. So I searched the net and found a solution. Here is the link: http://satov.blogspot.com/2006/12/xsdexe-generated-classes-causing.html Problem is that this makes the code run, but somehow the deserialized data seems corrupt. I did what the site suggests and in the end the 2nd array dimension is always empty (see the comments of the site, somebody also had this problem). Question is, how do I solve this issue now? Is there another tool to create the xsd file? I tried Xsd2Code, without success. Thanks :-)

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• A better way of representing File Attachment into a list(c#3.0)

  - by Newbie

  I have written List<Attachment> lstAttachment = new List<Attachment>(); //Check if any error file is present in which case it needs to be send if (new FileInfo(Path.Combine(errorFolder, errorFileName)).Exists) { Attachment unprocessedFile = new Attachment(Path.Combine(errorFolder, errorFileName)); lstAttachment.Add(unprocessedFile); } //Check if any processed file is present in which case it needs to be send if (new FileInfo(Path.Combine(outputFolder, outputFileName)).Exists) { Attachment processedFile = new Attachment(Path.Combine(outputFolder, outputFileName)); lstAttachment.Add(processedFile); } Working fine and is giving the expected output. Basically I am attaching the file to the list based on whether the file is present or not. I am looking for any other elegant solution than the one I have written. Reason: Want to learn differnt ways of representing the same program. I am using C#3.0 Thanks.

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• JQuery get height of each previous element

  - by Jk_

  I'm trying to find a good solution to get the height of all the element above my target. So loop the prev() function ! Any ideas on how I could deal with that ? <div> <div style="height:50px;width:100%"></div> <div style="height:12px;width:100%"></div> <div style="height:23px;width:100%"></div> <div style="height:56px;width:100%"></div> <div id="#mytarget"><p>HERE</p></div> </div> $('#mytarget').prev().each(function() { alert($(this).outerHeight()); }); and it will fires ["56","23","12","50"].

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• How to change the name of an iPhone app?

  - by Robert Gould

  I began an iPhone project the other day with a silly development code name, and now I want to change the name of the project since its nearly finished. But I'm not sure how to do this with XCode, trying the obvious of changing the application's name in the pinfo, causes the signing process to go wrong (I think...) and my app won't launch giving me a Launcher error. I guess I could make a new project and copy paste everything over, but it seems so primitive, that I'm hoping for a more civilized solution. Thanks!

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• JQuery Slider, Need to Create a Slider with range as Current Date - 3 Months...

  - by Cozmoz

  I am new to Jquery but my task is to create a Slider in Jquery, which will have a range as Current Date to (Last 3 Months Date). Slider --------------------------------------------------------------------- (Below is Just a Reference, the Slider should have a callout box or an area to show the Current Date which is selected) 1-----------------31 | 1---------28 | 1---------30 | 1------Curr Date Jan Feb Mar Apr Also the Data should change according to the range selected. If anyone who has come across any such problem/solution please let me know, I would be more than grateful to him/her. Thanks!

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