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  • What does the Facebook Ads API link_click metric indicate in adcampaignstats

    - by Michael Baird
    I would love to get a definitive answer or a glossary that defines the data returned from the Facebook ads api adcampaignstats. Specifically the difference between the actions and inline_actions. Below is the result for a dark post, and I like to know what the "link_click" metric in actions and inline_actions actually counts. i.e. Does this tell me that in total the campaign had 342 links clicked, or does "link_click" in "actions" and "inline_actions" indicate something else? act_{ad_account_id}/adcampaignstats?campaign_ids=[123456] { "is_completed": false, "social_unique_clicks": 0, "topline_id": 0, "unique_impressions": 0, "start_time": null, "campaign_id": 123456, "actions": { "offsite_conversion.registration": 14, "post_like": 2, "like": 5, "photo_view": 1, "link_click": 180 }, "clicks": 301, "inline_actions": { "comment": 0, "video_play": 0, "title_clicks": 0, "like": 10, "rsvp_maybe": 0, "post_like": 13, "photo_view": 0, "rsvp_yes": 0, "link_click": 162, "question_vote": 0 }, }

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  • Validating a Postscript without trying to print it?

    - by Epaga
    Saving data to Postscript in my app results in a Postscript file which I can view without issues in GhostView, but when I try to print it, the printer isn't able to print it because it seems to be invalid. Is there a way to validate / find errors in Postscript files without actually sending it to a printer? Preferred would be some kind of Java API/library, but a program which does the same would be fine as well. Edit #1 : no I don't know why it's invalid, nor even necessarily if it's invalid, but would like to be able to validate it outside of ghostview, or figure out what's going on when it can't print. Answer : Well using the ps2ps trick I was able to see the output that Postscript does and there check the difference. The difference was that I am not allowed to have a decimal number for the width or height of images in the Postscript, but rather only integers. So I still didn't find a way to validate, but this way was good enough for my problem. Thanks.

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  • Using PHP, can I put variables inside of variables?

    - by Rob
    For example, take this code: $ch = curl_init($resultSet['url']."?get0=get0&get1=".$get1."&get2=".$get2."&get3=".$get3); This of course, looks very ugly, and kind of a pain in the ass to read. So my question is, would I be able to use something like this: $allgets ="?act=phptools&host=".$host."&time=".$duration."&port=".$port; $ch = curl_init($resultSet['url'] . $allgets); Very simple question I suppose, but my server is undergoing maintenance, so I can't upload it and test it myself. I suppose a yes or no answer will suffice, but if you have a more efficient way of doing this, that would be even better. :)

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  • Retrieve Button value with jQuery

    - by Simon Hutton
    A simple one, I'm trying to retrieve the value attribute of a button when its been pressed using jQuery, here's what I have: <script type="text/javascript"> $(document).ready(function() { $('.my_button').click(function() { alert($(this).val()); }); }); </script> <button class="my_button" name="buttonName" value="buttonValue"> Button Label</button> In Firefox my alert displays 'buttonValue' which is great but in IE7 it displays 'Button Label'. What jQuery should I use to always get the button's value? Or should I be using a different approach? Many thanks. ANSWER: I'm now using <input class="my_button" type="image" src="whatever.png" value="buttonValue" />

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  • RDF Usage Rates for Syndication

    - by David in Dakota
    Is RDF still used widely for content syndication? Specifically, I know only of Slashdot as a large scale website syndicating content in that format (say versus RSS). Understandably this might seem vague to answer so more specifically: Can anyone list any larger sites similar in scale to Amazon or CNN using it? Any web based publishing platforms (Wordpress, Joomla, etc...) that generate syndication feeds with this xml vocabulary. Any other more quantifiable evidence that it is used for syndication online. I understand that RDF may be a parent specification but in this case I'm talking about sites that syndicate content using <rdf as a root element and heavily leveraging elements from the RDF namespace: http://www.w3.org/1999/02/22-rdf-syntax-ns#

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  • Compilation error on a user control

    - by MikeP
    I'm stumped! We have a user control for managing account information. We use this particular control on two pages. On one page, everything works perfectly and meets our expectation. On the second page however we receive compilation errors stating that: "C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\lrpcentral\0e987bea\6719c8b6\App_Web_PageThatFails.aspx.f3d462c1.oi52bvii.0.cs(172): error CS0433: The type 'xxxx_ascx' exists in both 'c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\APPLICATIONNAME\0e987bea\6719c8b6\App_Web_xxxx.ascx.cdcab7d2.xbnvt2za.dll' and 'c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\APPLICATIONNAME\0e987bea\6719c8b6\App_Web_eix7xllr.dll' My problem is similar to Cyril's but the "delete everything from Temp" is not an option for me, and Cyril's solution does not apply since the only variable we have is contained in the designer file, which is not deployed to our production environment (we pre-compile). After reading David's answer (here) I examined my directories for circular dependency and was unable to find any. Structure: Top Level Page that works Control Directory A Page that causes the error

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  • flex custom events bubbling

    - by Rajeshbabu TRC
    Dear Richard Szalay, i go through your answers regarding bubbling, i want explore bubbling more. Please see my sample below <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" xmlns:view="com.view.*" > } ]] In my custom event class i set bubbling=true, cancelable=true I can understand from previous answer that bubbling only affects UI components; events fired from custom classes will not bubble, even if the bubbles argument is set to true. My question is how can i prevent panelClickHandler function got fired when i click button in the "Load" (custom component)?? pleas explain bubbling with good example ( like to have with custom event classes)?

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  • jQuery Event Keypress: Which key was pressed?

    - by BlaM
    With jQuery, how do I find out which key was pressed when I bind to the keypress event? $('#searchbox input').bind('keypress', function(e) {}); I want to trigger an submit when ENTER is pressed. [Update] Even though I found the (or better: one) answer myself, there seems to be some room for variation ;) Is there a difference between keyCode and which - especially if I'm just looking for ENTER, which will never be a unicode key? Do some browsers provide one property and others provide the other one?

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  • What is a Web Framework ? How does it compare with LAMP

    - by Nishant
    I started web development in LAMP/WAMP and it was logical to me . There is a Web Server program called Apache which does the networking part of setting up a service on port 80 ( common port ) . If the request is regular HTML it uses the HTTP headers to transport files .And if the request for the file is a PHP one , it has a mod_php with which Apache invokes the PHP interpreter to process the file and it gives back HTML which is again transferred as usual HTML . Now the question is what is a Web Framework ? I came across Python based website creation and there is Flask . What is a flask , how does it compare with LAMP . Further are DJango / Ruby on Rails different from flask ? Can someone answer me and also give some good places to read on these .Thanks for your answers in advance . Further is things like LAMP slower than the common FRAMEWORKS because they claimn easy deplyment fo web apps .

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  • Problem evaluating NULL in an IIF statement (Access)

    - by Mohgeroth
    Item in the recordset rstImportData("Flat Size") is = Null With that, given the following statement: IIF(IsNull(rstImportData("Flat Size")), Null, cstr(rstImportData("Flat Size"))) Result: Throws error 94: Invalid use of Null If I change the statement by removing the type conversion upon a false comparison: IIF(IsNull(rstImportData("Flat Size")), Null, 0) Result: Null It returns Null as it should have the first time. It appears that I cannot do a type conversion in an IIF if the value passed in should ever be null even if it passes an IIF test, it still attempts to evaluate it at both the true and false answer. The only reason I'm using IIF like this is because I have a 25 line comparison to compare data from an Import against a matching record in a database to see if I need to append the prior to history. Any thoughts? The way data is imported there will be null dates and where the spreadsheet import is in a string format I must convert either side to the other to compare the values properly but if either side is null this exception occurs :(

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  • Is VS2010 Premium Worth the Price?

    - by WindyCityEagle
    I know this is somewhat subjective, but I can't find an honest answer anywhere. Everything concerning VS2010 are Microsoft marketing materials. Our small group is going to upgrade to VS2010(mostly for F# and the new threading features), but we can't decide between the Professional and Premium versions. The integrated testing features in Premium sound good, but I can' figure out if they're worth the 10x increase in cost between the two versions(Professional is ~549, Premium is ~5400). Has anyone been faced with a similar decision? What swayed you one way or the other?

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  • ComboBox ItemTemplate does not support values of type 'Image'

    - by Charlie
    I'm trying to bind a WPF combobox to an observable collection of images. Here is my collection: public class AvatarPhoto { public int AvatarId { get; set; } public BitmapImage AvatarImage { get; set; } } public ObservableCollection<AvatarPhoto> AvailableProfilePictures { get; private set; } Here is my xaml: Visual Studio gives me this compile time error: Property 'ItemTemplate' does not support values of type 'Image'. Why is this error seen? Thanks Update: thanks for the answer! It solved the problem. Now I have updated my code but I'm seeing this in the ComboBox: Why is it not displaying pictures correctly? In the debug window I can see my collection is correctly populated:

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  • Tornado Web & Persistent Connections

    - by Engrost
    How can I write Http server in TornadoWeb that will support persistent Connections. I mean will be able to receive many requests and answer to them without closing connection. How does it actually work in async? I just want to know how to write handler to handle persistent connection. How actually would it work? I have handler like that: class MainHandler(RequestHandler): count = 0 @asynchronous def post(self): #get header content type content_type = self.request.headers.get('Content-Type') if not content_type in ACCEPTED_CONTENT: raise HTTPError(403, 'Incorrect content type') text = self.request.body self.count += 1 command = CommandObject(text, self.count, callback = self.async_callback(self.on_response)) command.execute() def on_response(self, response): if response.error: raise HTTPError(500) body = response.body self.write(body) self.flush() execute calls callback when finishes. is my asumption right that with things that way post will be called many times and for one connection count will increase with each httprequest from client? but for each connection I will have separate count value?

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  • Posting comment with ajax and jquery

    - by Steve
    I want to display the posted comment once the user comments. Just to add it under all of them as facebook does. I have this: // Interceptamos el evento submit $('#CommentAddForm').submit(function() { alert("entro"); alert($(this).attr('action')); // Enviamos el formulario usando AJAX $.ajax({ type: 'POST', url: $(this).attr('action'), data: $(this).serialize(), // Mostramos un mensaje con la respuesta de PHP success: function(data) { $('#result').html(//????????????); } }); return false; }); But i don't know very well how it works and i dont know what should i write in the line $('#result').html(//????????????); The variable URL contains the route which inserts the comment in the DB. And it works well. Any idea? Thanks. By the way, i have been reading this answer: Ajax/jQuery Comment System But i still don't get it.

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  • How does dereferencing of a function pointer happen?

    - by eSKay
    Why and how does dereferencing a function pointer just "do nothing"? This is what I am talking about: #include<stdio.h> void hello() { printf("hello"); } int main(void) { (*****hello)(); } From a comment over here: function pointers dereference just fine, but the resulting function designator will be immediately converted back to a function pointer And from an answer here: Dereferencing (in way you think) a function's pointer means: accessing a CODE memory as it would be a DATA memory. Function pointer isn't suppose to be dereferenced in that way. Instead, it is called. I would use a name "dereference" side by side with "call". It's OK. Anyway: C is designed in such a way that both function name identifier as well as variable holding function's pointer mean the same: address to CODE memory. And it allows to jump to that memory by using call () syntax either on an identifier or variable. How exactly does dereferencing of a function pointer work?

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  • Multiblog engine for asp.net

    - by Andrey
    I know, different forms of this questions were asked on this site multiple times, but I haven't seen a single answer that would satisfy my need. I need a ASP.NET based blogging engine that wouul use SQL Server as a back end and allow multiple independet blogs in one app instance. I'm writing a community website for major bank and blogging is the piece I'm not sure about. Answers to other questions include a broad spectrum from BlogEngine.NET (doesn't support multiple blogs) to CommunityServer (a beast! blogging is just asmall piece of it). I don't want to install a full-blown CRM and just use blogging, I want a blogging engine. I don't mind to buy a commercial one but I can't find one. I'm pretty much stuck, and any ideas are highly appreciated!

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  • Coding Standards

    - by kevchadders
    For those of us that have programmed enough I’m sure we have come across many different flavours of coding standards that you can use when it comes to programming. e.g. http://msdn.microsoft.com/en-us/library/ms229042.aspx You might derive your coding standards for the current company you work for or from the original author of the code you’re working on. Coding styles are often used for specific program languages and some styles in one coding language might not be considered appropriate for others. Of course some coding standards can be applied across many different program languages. My question is do you have any good advice/links yourselves to a set of coding standards that you would recommend to others, or best practices to follow? Thank you for your time. EDIT: As we know there are many related articles on this subject, but C# Coding standard / Best practices in SO has some very useful links in there which is worth a visit. (Check out the 2 links on .NET/C# guidelines by ESV - Accepted Answer)

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  • Add multiples Picturebox using ThreadPool

    - by Pmdusso
    Hi! Im doing a Naval Battle for University. I decided to do it in C#. My board is 20 x 20 of mini (20x20) PictureBoxes. The problem is when I load the board I got a huuuge delay for draw all of them in the panel which contains them. So I thought to ThreadPool my method to escale the picuteres boxes creation and drawing fester. Is this the correct aproach? I'm wondering if even if I launch 20 threads to create and set the picturesoboxes together I will still have the graphic delay. (I wont past code right now because maybe the answer independs of it... if not, I past next :) Sorry the bad english, Thanks folks!

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  • How to select the nth row in a SQL database table?

    - by Charles Roper
    I'm interested in learning some (ideally) database agnostic ways of selecting the nth row from a database table. It would also be interesting to see how this can be achieved using the native functionality of the following databases: SQL Server MySQL PostgreSQL SQLite Oracle I am currently doing something like the following in SQL Server 2005, but I'd be interested in seeing other's more agnostic approaches: WITH Ordered AS ( SELECT ROW_NUMBER() OVER (ORDER BY OrderID) AS RowNumber, OrderID, OrderDate FROM Orders) SELECT * FROM Ordered WHERE RowNumber = 1000000 Credit for the above SQL: Firoz Ansari's Weblog Update: See Troels Arvin's answer regarding the SQL standard. Troels, have you got any links we can cite?

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  • [BUG] Bus Error - What causes this in Ruby?

    - by viatropos
    I have run into this error 5 or 10 times over the past few years and have never found a clear answer to this problem. Here is the error: $ rake db:migrate /usr/lib/ruby/gems/1.8/gems/libxml-ruby-0.9.5/lib/libxml_ruby.bundle: [BUG] Bus Error ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin9.7.0] Abort trap The app I am running this in is using RMagick. I have run into this problem when installing ImageMagick a while ago, and when installing Nokogiri, and when installing MySQL. For Nokogiri it was because I needed a more recent version of libxml. What are your thoughts on this? Any fixes? How can I check the version of RMagick the project is loading? I am on a Mac, 10.5.8. Thanks for the help, Lance

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  • Why do Java/C# edge out C++ as the recommended language to learn OOP on S.O?

    - by viksit
    I noticed after reading the answers/discussion to this question (What is the best language to learn OOP on?) - that more and more people are recommending C# or Java over C++ to learn OOP on. A simple term search on that answer page results in 10 hits for C++, 21 for C# and 27 for Java. Now, I understand that these 2 languages fix a lot of quirks and issues with C++, and looked up these resources that relate mostly to performance, JVM vs native implementation, systems focus vs applications, manual memory management vs automated et al. My question is - are there any fundamental differences in the OO capabilities of Java/C# vs C++? Or are the former recommended purely due to their generic ease of use/improvements over the latter? Thanks. PS, I'm aware of Java interface inheritance vs C++ multiple inheritance as a difference. I would consider that an implementational one rather than functional.

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  • C# huge size 2-dim arrays

    - by 4eburek
    I need to declare square matrices in C# WinForms with more than 20000 items in a row. I read about 2GB .Net object size limit in 32bit and also the same case in 64bit OS. So as I understood the single answer - is using unsafe code or separate library built withing C++ compiler. The problem for me is worth because ushort[20000,20000] is smaller then 2GB but actually I cannot allocate even 700MB of memory. My limit is 650MB and I don't understand why - I have 32bit WinXP with 3GB of memory. I tried to use Marshal.AllocHGlobal(700<<20) but it throws OutOfMemoryException, GC.GetTotalMemory returns 4.5MB before trying to allocate memory. I found only that many people say use unsafe code but I cannot find example of how to declare 2-dim array in heap (any stack can't keep so huge amount of data) and how to work with it using pointers. Is it pure C++ code inside of unsafe{} brackets? Could you please provide a small example of working with matrices using pointers in unsafe code.

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  • First time unit testing (in silverlight)

    - by Jakob
    Hi I've searched some other posts, but most of them assumed that people knew what they were doing in their unit testing, and frankly I don't. I see the idea behind unit testing, and I'm coding an silverlight application much in the blind right now, and I'd like to write some unit tests to kind of be sure I'm on the right path. I'd like to be able to use the SL4 vs 2010 silverlight unit test project template, to keep it simple and not use external tools. So what I need an answer for are questions like: what are the methods of unit testing? what are the differences between unit tests, and automated unit tests? How do I meaningfully unit test in silverlight? What should I be aware of while unit testing (in silverlight) ? Also should I implement some kind of IRepository pattern in my silverlight app to make unit testing easier?

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  • How to replace for-loops with a functional statement in C#?

    - by Lernkurve
    A colleague once said that God is killing a kitten every time I write a for-loop. When asked how to avoid for-loops, his answer was to use a functional language. However, if you are stuck with a non-functional language, say C#, what techniques are there to avoid for-loops or to get rid of them by refactoring? With lambda expressions and LINQ perhaps? If so, how? Questions So the question boils down to: Why are for-loops bad? Or, in what context are for-loops to avoid and why? Can you provide C# code examples of how it looks before, i.e. with a loop, and afterwards without a loop?

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  • Get data types from arbitrary sql statement in SQL Server 2008

    - by Christopherous 5000
    Given some arbitrary SQL I would like to get the data types of the returned columns. The statement might join many tables, views, TVFs, etc. I know I could create a view based on the query and get the datatypes from that, hoping there's a quicker way. Only think I've been able to think of is writing a .net utility to run the SQL and examine the results, wondering if there is a TSQL answer. i.e. Given (not real tables just an example) SELECT p.Name AS PersonName, p.Age, a.Account as AccountName FROM Person as p LEFT JOIN Account as a ON p.Id = a.OwnerId I would like to have something like PersonName: (nvarchar(255), not null) Age: (smallInt, not null) etc...

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