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• Regex to *not* match any characters

  - by Erick

  I know it is quite some weird goal here but for a quick and dirty fix for one of our system we do need to not filter any input and let the corruption go into the system. My current regex for this is "\^.*" The problem with that is that it does not match characters as planned ... but for one match it does work. The string that make it not work is ^@jj (basically anything that has ^ ... ). What would be the best way to not match any characters now ? I was thinking of removing the \  but only doing this will transform the "not" into a "start with" ...

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• Server-side Audio Editor

  - by Kristen

  I am looking for an audio editor that we can use server side (ASP + IIS) We want users to be able to upload an audio file, and then offer a 10 second teaser clip to other users for download. Ideally I would like our application to be able to specify Input and Output Filename, Start and End time (or Duration), and be able to fade-in and fade-out, and equalise the volume. Maybe some audio editors have a batch edit facility, and it would just be a question of installing on the server? All the keywords I have tried putting into Google have led me on a wild goose chase, hopefully someone can help me with suggestions. Thanks.

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• What are the advantages and disadvantages of plug-in based architecture?

  - by RP

  I want to do the architectural design for a software that can be used integrate various third party software’s (executable) under one platform. Standard project types will be added to the platform by default. The project type defines the way in which the different software will be executed and their input and output files. The user can customize the available standard project type and that will be added to the platform as new project type which defines new custom execution flow. Also it should support easy extension and customization of the features. I read that plug-in based architecture supports both. What are the advantages and disadvantages of plug-in based architecture? Do we have any better architecture which can be used for this kind of scenario? Thanks in advance:)

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• Creating Pages or Windows in WPF

  - by cmptrer

  Hey all, I'm new to using WPF. I have the following program I want to create: -Application opens up with one button -User clicks button and it takes them to a new page with various input. I'm confused about how I need to do this. I tried opening a new window, but I don't want a window to open up, I want it to be all one Window. I tried creating a new page and navigating to it using NavigationService but couldn't get it to work. Basically I want to create a workflow where the user enters some stuff, clicks the next button and is taken to a new page to enter some more information. Can anyone point me in the right direction?

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• Multiple conditions with CASE statements

  - by Pavan Reddy

  I need to query some data. here is the query that i have constructed but which isn't workig fine for me. For this example I am using AdventureWorks database. SELECT * FROM [Purchasing].[Vendor] WHERE PurchasingWebServiceURL LIKE case // In this case I need all rows to be returned if @url is '' or 'ALL' or NULL when (@url IS null OR @url = '' OR @url = 'ALL') then ('''%'' AND PurchasingWebServiceURL IS NULL') //I need all records which are blank here including nulls when (@url = 'blank') then (''''' AND PurchasingWebServiceURL IS NULL' ) //n this condition I need all record which are not like a particular value when (@url = 'fail') then ('''%'' AND PurchasingWebServiceURL NOT LIKE ''%treyresearch%''' ) //Else Match the records which are `LIKE` the input value else '%' + @url + '%' end This is not working for me. How can I have multiple where condition clauses in the THEN of the the same CASE? How can I make this work?

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• not able to close other opened tab in browser

  - by tulsi

  hi please check the below code i am trying to open tab with name and after that try to close that tab but unable to close or else can anyone tell how we can close opened all tab (url1,url2) from parent tab (url) while close parent tab error in firebug is my_window is undefined <form name="submitForm1" target="my_window" method="POST" action="http://localhost:8080/ADDMIBREP/"> <input type="hidden" name="uname" value="uname"> <a HREF="javascript:document.submitForm1.submit();">ADDMIBREPORT</a> </form> <a HREF="javascript: closepopup() ">remove</a> </body> <script> function closepopup() { alert("hi"); if(false == my_window.closed) { my_window.close (); } else { alert('Window already closed!'); } } <script>

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• gdb + nasm debug info not being created

  - by cpowel2

  I am relatively new to assembly language programming and am trying to debug a small .asm file that I wrote in Ubuntu. I am however running into an issue where my symbol table is not being loaded and was looking for some help. I am compiling my program as follows. nasm -f elf -g -F dwarf bs.asm gcc -m32 -g bs.o -o bs which produces the executable bs when I run gdb bs I get a message that says no debugging symbols and when I try to set a break point by b main it says function not defined even though its in the file and I can run it using ./bs I read a couple posts that suggested adding the -F dwarf when assembling but that didn't help if anyone has any insight I would greatly appreciated your input. Thanks in advance

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• created persisted computed columns when the user defined scalar function appears to be non-determini

  - by Ralph Shillington

  I have a scalar UDF that I know to be deterministic, however SQL doesn't. Is there a way to declare it as deterministic so that I can then use it in a persisted computed column definition? further clarification: The purpose of this exercise is that I need to harvest out specific values from an XML column on the row. I can't use the value method of the xml column in my computed column definition, but I can use it in a UDF. I know the xpath query in the value method will produce the same output give the same input so while I certainly understand that not all calls to value will be deterministic I want to assert that mine is.

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• How can I set two values in HtmlInput control

  - by Homam

  Hi, I have an HtmlInputText in an EditItemTemplate in a DataGrid, This control is bound with a value from the SqlDataSource I want to set in this control two values the JOB_CODE_ID and the JOB_CODE instead of just JOB_CODE. I used to use Tag in the WinForms to set values such this, but in I don't know similar way in ASP.Net. In my situation I can't use a hidden control to save the JOB_CODE_ID there, Is there any way to set two values in a HtmlInputText control ? The code: <input type="text" ID="JOB_CODETextBox" runat="server" value='<%# Bind("JOB_CODE") %>' /> Thanks in advance.

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• javascript validate zip regular expression

  - by phil

  It's not working. Probably it's syntax error, but I can't figure it out. <script src="jquery-1.4.2.min.js" type="text/javascript"></script> <script> pattern=/^[0-9]{5}$/; if (!pattern.test($('#zip').val)) {$('#zip').append($('<p>',{html: zip is invalid}));} </script> zip (US only): <input type="text" name='zip' id='zip' maxlength="5">

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• getElementsByTagName() equivalent for textNodes

  - by levik

  Is there any way to get the collection of all textNode objects within a document? getElementsByTagName() works great for Elements, but textNodes are not Elements. Update: I realize this can be accomplished by walking the DOM - as many below suggest. I know how to write a DOM-walker function that looks at every node in the document. I was hoping there was some browser-native way to do it. After all it's a little strange that I can get all the <input>s with a single built-in call, but not all textNodes.

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• How to prepare for an interview for Ruby on Rails?

  - by Snehal

  Background about myself: I have about 3 years experience working in Java/J2EE. I am currently pursuing MS in Software Engineering at a reputed university. I have done several classwork projects on Ruby on Rails and can be considered at Intermediate level expertise with ROR. I have an interview coming up next week for a Ruby on Rails developer position at a startup. I have already prepared all the basics of Ruby on Rails but didn't get a lot input on the questions asked for ROR developers. Can you guys help me with the preparation? Any materials, suggestions would be welcome.

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• How do I test against a large number of regular expressions quickly and know which one matched?

  - by Jack

  I'm writing a program in .net where the user may provide a large number of regular expressions. For a given string, I need to figure out which regular expression matches that string (if more than one matches, I just need the first one that matches). However, if there are a large number of regular expressions this operation can take a very long time. I was somewhat hoping there would be something similar to flex for .net that would allow me to specify a large number of regular expressions yet quickly (O(n) according to Wikipedia for n = len(input string)) figure out which regular expression matches. Also, I would prefer not to implement my own regular expression engine :).

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• R problems using rpart with 4000 records and 13 attributes

  - by josh

  I have attempted to email the author of this package without success, just wondering if anybody else has experienced this. I am having an using rpart on 4000 rows of data with 13 attributes. I can run the same test on 300 rows of the same data with no issue. When I run on 4000 rows, Rgui.exe runs consistently at 50% cpu and the UI hangs.... it will stay like this for at least 4-5hours if I let it run, and never exit or become responsive. here is the code I am using both on the 300 and 4000 size subset : train<-read.csv("input.csv",header=T) y<-train[,18] x<-train[,3:17] library(rpart) fit<-rpart(y~.,x) Is this a known limitation of rpart, am I doing something wrong? potential workarounds? any assistance appreciated

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• How to sub with matched groups and variables in Python

  - by Syed

  Hi, new to python. This is probably simple but I haven't found an answer. rndStr = "20101215" rndStr2 = "20101216" str = "Looking at dates between 20110316 and 20110317" outstr = re.sub("(.+)([0-9]{8})(.+)([0-9]{8})",r'\1'+rndStr+r'\2'+rndStr2,str) The output I'm looking for is: Looking at dates between 20101215 and 20101216 But instead I get: P101215101216 The values of the two rndStr's doesn't really matter. Assume its random or taken from user input (I put static vals here to keep it simple). Thanks for any help.

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• Backdoor Strategy- opinion needed.

  - by the Hampster

  I'm creating an application to track publications and grants for a university. Professors will need to put they CV into the system when it is up and running. Yeah, right. The person in charge is planning on hiring someone to input all of the information, but my questions is how? The strategy I'm thinking of is to install a backdoor. The lucky undergrad can log in as any professor using the backdoor. Once all the data is removed, the backdoor can be removed. Doing so would probably be as simple as editing out a comment in the config file. The IT guys would still have access, but since they control the machines, they would have access anyway. Are there any flaws to this strategy?

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• Android Graphics Memory Limits

  - by Gordon

  I am creating an android game using opengl and a cocos2d port (http://code.google.com/p/cocos2d-android-1). I am targeting a wide range of devices and want to ensure that it performs well. I only test on a nexus one and am hoping to get some input from people with experience on slower devices. Currently the game uses two 1024x1024 textures as well as two 256x256 textures. Is this within the limits of most devices? Anyone have any rule of thumb or experience with graphics memory limits in these cases? If gfx memory is exceeded does it page to normal memory?

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• updating button text and other issues

  - by droidus

  I am trying to update my button. but the problem is that I can't have an ID/name with it, right, when doing this? so what if I have multiple forms on the page, and must identify the button? <input type="submit" value="Upload my File" style="background-color:#00F; font-size:14px; padding:1em;" onclick=" this.value='Please wait...'; this.disabled = true; var theForm = this.form; window.setTimeout(function(){theForm.submit();},3);" /> also, the button doesn't seem to wait 3 seconds when I hit the submit button.

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• IRepository with Inherited Classes

  - by Stacey

  In keeping with the Repository pattern of data input, I've a question in regards to using inherited classes. For instance, suppose I would have the class... class Employee IEmployeeRepository { Add(Employee employee); } This works fine, nothing wrong with it so far... but now let's say I continue on.. class Manager : Employee Okay, now let's assume that I never need to enter a manager different than an Employee? What's the best approach here? Would a scenario such as .. IEmployeeRepository { Add<T>(T employee) where T : Employee } Be the best approach, or do I need to abstract a different repository for each type?

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• jQuery: Post form to a modal window for previewing the entered data

  - by superUntitled

  I am looking for a way to use jQuery to allow a user to look at a modal window "preview" of a form before they submit the form to be saved. I have this working with javascript, the form is posted to a file named preview.php that iterates through the posted information. The script currently opens a new window. I would like instead to use jQuery to post the form to a modal window for previewing. Does anyone have any thoughts on how to do this? This is what I am currently using: <script language="JavaScript"> function preview(form) { form.target='_blank'; form.action='http://example.com/preview.php'; form.submit(); } </script> <input type="button" value="preview" onclick='preview(this.form)'>

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• jQuery .animate reveal contact form hidden in div with negative margin above header

  - by brhea

  Hi everyone, I've got my contact form hidden with a negative margin-top, so that when the visitor clicks "Contact" it reveals the div. <script type="text/javascript">$("#revealContact").click(function(){ $("#contact").animate({ marginTop: "+=620px" }, 1000); });</script> You can view it live here: http://www.brianrhea.com/index_contact.php -- click Contact link in top right My problem is that as soon as the form is submitted, it inherits the -620 margin and the success (or error) prompt is invisible. I'm running in to some other cross-compatibility issues as well with the margin spacing so I'm not even sure this is the best way to go about this. Obviously it'd be great if I could just begin with the div as display:hidden and then animate it to visible, but I haven't been able to do that. Any input is appreciated, either with advice on how to save the margin after form submission, or suggestion on better method to achieve this hide/reveal. Thanks, Brian

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• PHP: find 2 or more numbers from a list of N numbers that can add up towards a given ammount

  - by Splash

  Hi Guys, I am trying to create a little php script that can make my life a bit easier. Basically, I am going to have 21 text fields on a page where I am going to input 20 different numbers. In the last field I will enter a number let's call it the TOTAL AMMOUNT. All I want the script to do is to point out which numbers from the 20 fields added up will come up to TOTAL AMMOUNT. Example: field1= 25.23 field2= 34.45 field3= 56.67 field4= 63.54 field5= 87.54 .... field20= 4.2 Total Ammount= 81.90 Output: field1+fields3=81.90 Some of the fields might have 0 as value because sometimes I only need to enter 5-15 fields and the maximum will be 20. If someone can help me out with the php code for this, will be greatly appreciated.

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• Merging tables in MySQL - sum up columns

  - by Alan Williamson

  I have an interesting problem, that i am sure has a simple answer, but i can't seem to find it in the docs. I have two separate database tables, on different servers. They are both identical table schema with the same primary keys. I want to merge the tables together on one server. But, if the row on Server1.Table1 exists in Server2.Table2 then sum up the totals in the columns i specify. Table1{ column_pk, counter }; "test1", 3 "test2", 4 Table2{ column_pk, counter }; "test1", 5 "test2", 6 So after i merge i want: "test1",8 "test2",10 Basically i need to do a mysqldump but instead of it kicking out raw INSERT statements, i need to do a INSERT..ON DUPLICATE KEY UPDATE statements. What are my options? Appreciate any input, thank you

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• Putting curly braces in a sentences for specific words according to their start and end indexes

  - by Suneeta Singh

  I need to put curly braces in a sentence according to the indexes. Suppose my input sentence is: "I am a girl and I live in Nepal." and I need to put curly braces according to [12, 15], [2, 4], [23, 25] These indexes are corresponding to the words "am", "and" and "in" respectively. The required output should be: "I {am} a girl {and} I live {in} Nepal." I have tried using substring but after it replaces first word, it then shifts the characters by two indexes and that is the problem I am having. Can anyone provide me solution to get the required output?

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• I'd like to preview a Word document on form.

  - by Tychumsempir

  I'm writing a VB program that fills in values within a word document. I'm utilizing the Microsoft Word 12.0 Object Library as a Reference. I'd like to provide a scrollable preview pane to my user that is within the form he or she is using. It would be even cooler if the user could edit the document through this pane. I've done Interop extensively, so I'm well aware of how to write and edit a Word document. I just want to put it into a frame and preview it. I'll probably try to select around the document based on what is changing as the user provides input so they can see what's being changed and where. Thoughts? Thanks

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