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• How would you measure conversion for an iPhone App Download?

  - by Eran Kampf

  I want to test how users convert from my web page to downloading my iPhone app. Right now the best funnel I figured out was to go through a page that pings Google Analytics and then redirects to an iTunes link. But this funnel only measures conversion for users who got redirected to iTunes and not if they actually downloaded the app once they saw it in iTunes. Anyone knows of a way to measure conversion to the actual download? (I know this is not a coding question but still a problem a app developers would encounter trying to market their app)

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• how to interleaving lists

  - by user2829177

  I have two lists that could be not equal in lengths and I want to be able to interleave them. I want to be able to append the extra values in the longer list at the end of my interleaved list.I have this: a=xs b=ys minlength=[len(a),len(b)] extralist= list() interleave= list() for i in range((minval(minlength))): pair=a[i],b[i] interleave.append(pair) flat=flatten(interleave) c=a+b if len(b)>len(a): remainder=len(c)-len(a) for j in range(-remainder): extra=remainder[j] extralist.append(extra) if len(a)>len(b): remainder=len(c)-len(b) for j in range(-remainder): extra=remainder[j] final=flat+extralist return final but if I test it: >>> interleave([1,2,3], ["hi", "bye",True, False, 33]) [1, 'hi', 2, 'bye', 3, True] >>> The False and 33 don't appear. What is it that Im doing wrong?

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• Any side effect of not using USES_CONVERSION

  - by Yan Cheng CHEOK

  Recently, I have a utilities function of // T2CA #include "ATLCONV.H" std::string Utils::CString2String(const CString& cString) { #if _MSC_VER > 1200 // Convert a TCHAR string to a LPCSTR // construct a std::string using the LPCSTR input CT2CA tmp(cString); std::string strStd (tmp); #else // Deprecated in VC2008. // construct a std::string using the LPCSTR input std::string strStd (T2CA (cString)); #endif return strStd; } I do several simple test it seems work fine. However, when I google around, I see most usage of T2CA in VC6, before they call, they will invoke USES_CONVERSION; Is there any thing I had missed out? Shall I invoke my function by : #else // Deprecated in VC2008. // construct a std::string using the LPCSTR input USES_CONVERSION; std::string strStd (T2CA (cString)); #endif

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• Jquery ui autocomplete different source

  - by voidnull

  Hi i try to use jquery ui autocomplete. I have different autocomplete field in one page and i need to get data with different sources (different url) depend to wich autocomplete field is used. i know how can i get the typed data (request.term), but i cant find the way to get the selected field ID. $(".ac").autocomplete({ source: function(request, response) { id = '??? the actually used field #id ???'; $.ajax({ type: "POST", url: "/admin_/sql/autocomplete/"+id, data: "test=...", async: false, success: function(data) { } }); }, search: function() { // }, focus: function() { // return false; }, select: function(event, ui) { // return false; } });

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• How can i allow people in my local network to access the web service in my machine?

  - by user1451704

  I have coded a web service using the Axis 2 framework and I can successfully invoke it using a test client (SoapUI) on the local machine after publishing the application in JBoss 5. I can post to the WS endpoint from the local machine and get the expected response. Now i want to allow other machines to access the web service. i changed the "localhost" to "my own fixed IP" adress at the end point location, and turned firewall off, but impossible to access the WS. Note : windows Xp SP3. Any idea ? Thanks in advance !!

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• Can't return nil, but zero value of slice

  - by Sergi

  I am having the case in which a function with the following code: func halfMatch(text1, text2 string) []string { ... if (condition) { return nil // That's the final code path) } ... } is returning []string(nil) instead of nil. At first, I thought that perhaps returning nil in a function with a particular return type would just return an instance of a zero-value for that type. But then I tried a simple test and that is not the case. Does anybody know why would nil return an empty string slice?

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• Open generic interface types of open implementation don't equal interface type?

  - by George Mauer

  Here's a test that should, in my opinion be passing but is not. [TestMethod] public void can_get_open_generic_interface_off_of_implementor() { typeof(OpenGenericWithOpenService<>).GetInterfaces().First() .ShouldEqual(typeof(IGenericService<>)); } public interface IGenericService<T> { } public class OpenGenericWithOpenService<T> : IGenericService<T> { } Why does this not pass? Given Type t = typeof(OpenGenericWithOpenService<>) how do I get typeof(IGenericService<)? I'm generally curious, but if you're wondering what I'm doing, I'm writing a Structuremap convention that forwards all interfaces implemented by a class to the implementation (as a singleton).

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• changing the last commit message without committing newest changes

  - by Oleg2718281828

  My ideal workflow would consist of the following steps edit the code compile git commit -a -m "commit message" start running the new binaries, tests, etc. (may take 10+ minutes) start new changes, while the binaries are still running when step # 4 is finished, edit the commit message from step # 3, without committing the changes introduced in step # 5, by adding, say, "test FOO failed" I cannot use git commit -a --amend -m "new commit message", because this commits the new changes as well. I'm not sure that I want to bother with staging or branching. I wish I could just edit the commit message without committing any new changes. Is it possible?

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• I need a mechanism for locating SQL server instances

  - by SzamDev

  Hi I have an idea and I want to apply it to my Application (C# .NET). When we connect to a DB (MS SQL Server 2008) in VS 2008, the ConnectionString saved in the Application Setting and it's a static varriable (no one can edit it unless you edit it inside VS 2008). I want a way to let my Application search for MS SQL Server and save it to Application Setting and use it to connect to my DB Programmatically. When my application start, the first thing to do is checking the ConnectionString if vaild, NOT Empty and test connection to MS SQL Server Successfully so if there is a proplem I think to show a window form to let the user enter some data like username and password for MS SQL Server 2008 Is there any way to do it?

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• Is it possible to run php exec through cygwin?

  - by Scarface

  Hey guys I have one command that works on my remote linux server but not my windows (WAMP package) local server. I really want to create an identical workstation so I can test locally and then update my remote server. If anyone has any suggestions or solutions other than converting to linux, I would really appreciate it. <?php $safe_path = escapeshellarg('fake-virus.txt'); $command = '/usr/bin/clamscan --stdout ' . $safe_path; $out = ''; $int = -1; exec($command, $out, $int); echo $int; if ($int == 0) { // all good; } else { echo 'o no';// VIRUS!; } ?>

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• CruiseControl.NET merge nunit and nant output

  - by JK

  I've just started using ccnet so I'm having trouble understanding why the merging of nant and nunit outputs are not working. I've setup my ccnet.config with typical values as found on google: <merge> <files> <file>D:\ccnet\path1\nant-results.xml</file> <file>D:\ccnet\path2\TestResult.xml</file> </files> </merge> <xmllogger /> Nant and ccnet are half working: if I deliberately put in a code error, then ccnet will say build failed. The same happens if I deliberately put in a failing test, ccnet will say build failed. But the ViewBuildReport.aspx page does not show any of the output from nant or nunit. Obviously I must be missing something, but I don't know what, any ideas? Thanks, JK

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• kCGImagePropertyIPTCKeywords problem

  - by deepa

  Hi, I am developing an iPhone app in which I want to set the keywords for an image using ImageIO.framework. Following is the code snippet that I use for setting the keywords. But, it does not apply the keywords to image meta data. Could some one help me out in finding the problem here. NSMutableDictionary *iptcDictionary = [NSDictionary dictionaryWithObject: [NSArray arrayWithObject: @"Test"] forKey:(NSString *)kCGImagePropertyIPTCKeywords]; NSDictionary *newImageProperties = [NSDictionary dictionaryWithObject:iptcDictionary forKey:(NSString *)kCGImagePropertyIPTCDictionary]; CGImageSourceRef imageSource=CGImageSourceCreateWithURL((CFURLRef)imageURL, nil); //imageURL is URL of source image CGImageDestinationRef imageDestination = CGImageDestinationCreateWithData( (CFMutableDataRef)newImageFileData, CGImageSourceGetType(imageSource), 1,NULL); CGImageDestinationAddImageFromSource(imageDestination, imageSource, 0, (CFDictionaryRef) newImageProperties); if (CGImageDestinationFinalize(imageDestination)) [newImageFileData writeToFile:imagePath atomically:YES]; //imagePath is the path of the destination image with new metadata Thanks and regards, Deepa

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• Why does ElapsedTicks X 10 000 not equal ElapsedMilliseconds for .Net's Stopwatch?

  - by uriDium

  I am trying to performance test some code. I am using a stopwatch. When I output the number of milliseconds it always tells me 0 so I thought that I would try the number of ticks. I am seeing that the number of ticks is about 20 000 to 30 000. Looking at the MSDN at TimeSpan.TicksPerMillisecond it says that is 10 000 ticks per millisecond. In that case why are the elapsed milliseconds on my stopwatch not appearing as 2 or 3? What am I missing? I have even outputed the result on the same line. This is what I get. Time taken: 26856 ticks, 0 ms And it is constant.

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• Spreatsheet:WriteExcel create Chart

  - by yaohung

  Hi, I used csv2xls.pl to convert a text log into .xls file, and then apply create chart function as following: my $chart3 = $workbook-add_chart( type = 'line' , embedded = 1); Configure the series. $chart3-add_series( categories = '=Sheet1!$B$2:$B$64', values = '=Sheet1!$C$2:$C$64', name = 'Test data series 1', ); Add some labels. $chart3-set_title( name = 'Bridge Rate Analysis' ); $chart3-set_x_axis( name = 'Packet Size ' ); $chart3-set_y_axis( name = 'BVI Rate' ); Insert the chart into the main worksheet. $worksheet-insert_chart( 'G2', $chart3 ); ========== I can see the chart in .xls file, however, all the data is in text format, not number, therefore, the chart looks wrong. I am wondering can you tell me how to convert text into number before apply this create chart function? One other thing is any idea how to apply sorting on the .xls file before create chart? Thanks. Yaohung

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• Logging into SO with curl

  - by Good Person

  I'm working on a project and I want to log into SO via curl. I use an openid via Google which means that I need to log into Google first. Here is the code I have so far #!/usr/bin/env sh . ./params.sh #the file with username and password curl --silent https://www.google.com/accounts/ClientLogin \ -d Email=$username -d Passwd=$password \ -d accountType=GOOGLE \ -d source=localhost-test-1 \ -d service=lh2 \ -o tokens #get $Auth as a variable . ./tokens echo $Auth; How do I use the $Auth token to log into SO? edit: I found http://code.google.com/apis/gdata/articles/using_cURL.html and I'll post the updated code soon.

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• How does SWTBOT run a custom eclipse based application? I don't know how to specify my target application

  - by jlisam13

  I have an eclipse based application. I have heard of swtbot however I am having a hard time understanding how exactly does this tool run my application and how would I specify that. This eclipse based application has an executable and various configuration/plugin/features files. I have done the tutorials about swtbot and I have successfully completed them but they all just create a template application to test on. Is this even possible? If not do you guys have any alternatives for UI automation testing on eclipse based apps? Thanks.

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• NHibernate cascade and generated guid ids - why are they not generated for the children on save?

  - by asgerhallas

  I do the following: var @case = new Case { Name = "test" }; // User is persistent and loaded in the same session User.AddCase(@case); // sets @case.User = User too Session.Update(User); response.CaseId = @case.Id; The cascade on User.Cases is set to All. But @case.Id is not set until the transaction is committed. Is that expected behavior? I would very much like to get the Id before committing. Can it be done?

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• Changing gmail Settings with Ruby

  - by Technocrat

  I need to configure my gmail account(s) programmatically with Ruby. I checked out the apps api and it looks like the simplest possible solution would be to use ClientLogin for logging in and a simple XML PUT for changing the forwarding setting, for example. I wrote a little test script like so: http://gist.github.com/373457 It would appear that the call to ClientLogin works because it comes back with an Auth= token. When it sends the PUT request to google, however, it comes back with a RestClient::Unauthorized exception. I rewrote the script with pure net/https and it turns out the message I'm getting is invalid token, yet I can't figure out what is wrong with my token. Can anyone else see it?

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• How to catch any exception (System.Exception) without a warning in F#?

  - by LLS

  I tried to catch an Exception but the compiler gives warning: This type test or downcast will always hold let testFail () = try printfn "Ready for failing..." failwith "Fails" with | :? System.ArgumentException -> () | :? System.Exception -> () The question is: how to I do it without the warning? (I believe there must be a way to do this, otherwise there should be no warning) Like C# try { Console.WriteLine("Ready for failing..."); throw new Exception("Fails"); } catch (Exception) { }

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• Large number of tables and Hibernate memory consumption

  - by Vedran

  I'm working on a large ERP project which has database model with about 2100 tables. With "only" 500 tables mapped with Hibernate, application deployed on the web server takes about 3GB of working memory. Is there any way to reduce Hibernate's metamodel memory footprint when using that many tables in one persistence unit? Or should I just give up on ORMs and go with plain old JDBC (or even jOOQ)? Right now I'm using Hibernate 4.1.8, Spring 3.1.3, JBoss AS 7.1 and working with MSSQL database. Edit: JavaMelody memory histogram output - with 2000 generated test tables that are a bit smaller in scope from the original db model (hence 'only' 1.3GB of spent memory)

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• C# arraylist can't compare objects after they are loaded from disk

  - by Zka

  To make it easy, lets say I have an arraylist allBooks containing class "books" and an arraylist someBooks containing some but not all of the "books". Using contains() method worked fine when I wanted to see if a book from one arraylist was also contained in another. The problem was that this isn't working anymore when I save both of the Arraylists to a .bin file and load them back once the program restarts. Doing the same test as before, the contains() returns false even if the compared objects are the same (have the same info inside). I solved it by overloading the equals method and it works fine, but I want to know why did this happen?

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• php Undefined index but i can access that key anyways

  - by Linas

  I just don't get it, i know what the error means i know how to fix it but it seems to be more of a php bug, i have an array returned from some function which looks like this when i use var_dump: array(1) { ["89512480-1884-11e2-aee6-618bca23e5b1"]=> array(5) { ["created"]=> string(10) "1350514509" ["expires"]=> string(10) "1351724109" ["token"]=> string(40) "81fa1895a6d5d4cb11efae8e71adf98fbdbfb5ca" ["user_agent"]=> string(40) "6ab18a2ea1d4b17d67713e416b07d46bf2f4d03b" ["username"]=> string(4) "test" } } array(0) { } but if i try for example: echo $token['89512480-1884-11e2-aee6-618bca23e5b1']['user_agent']; it shows me the value, but at the same time i get that annoying error, what the hell?

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• Writing to CSV issue in Spyder

  - by 0003

  I am doing the Kaggle Titanic beginner contest. I generally work in Spyder IDE, but I came across a weird issue. The expected output is supposed to be 418 rows. When I run the script from terminal the output I get is 418 rows (as expected). When I run it in Spyder IDE the output is 408 rows not 418. When I re-run it in the current python process, it outputs the expected 418 rows. I posted a redacted portion of the code that has all of the relevant bits. Any ideas? import csv import numpy as np csvFile = open("/train.csv","ra") csvFile = csv.reader(csvFile) header = csvFile.next() testFile = open("/test.csv","ra") testFile = csv.reader(testFile) testHeader = testFile.next() writeFile = open("/gendermodelDebug.csv", "wb") writeFile = csv.writer(writeFile) count = 0 for row in testFile: if row[3] == 'male': do something to row writeFile.writerow(row) count += 1 elif row[3] == 'female': do something to row writeFile.writerow(row) count += 1 else: raise ValueError("Did not find a male or female in %s" % row)

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• Query Execution Plan - When is the Where clause executed?

  - by Alex

  I have a query like this (created by LINQ): SELECT [t0].[Id], [t0].[CreationDate], [t0].[CreatorId] FROM [dbo].[DataFTS]('test', 100) AS [t0] WHERE [t0].[CreatorId] = 1 ORDER BY [t0].[RANK] DataFTS is a full-text search table valued function. The query execution plan looks like this: SELECT (0%) - Sort (23%) - Nested Loops (Inner Join) (1%) - Sort (Top N Sort) (25%) - Stream Aggregate (0%) - Stream Aggregate (0%) - Compute Scalar (0%) - Table Valued Function (FullTextMatch) (13%) | | - Clustered Index Seek (38%) Does this mean that the WHERE clause ([CreatorId] = 1) is executed prior to the TVF ( full text search) or after the full text search? Thank you.

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• Binding in ContentControl Crash

  - by ImJames

  Can anyone tell me why this crashes my app? There seems to be some endless recursion by I can't figure out why. I get this exception Logical tree depth exceeded while traversing the tree. This could indicate a cycle in the tree <ContentControl Content="{Binding}"> <ContentControl.ContentTemplate> <DataTemplate> <Button Content="{Binding MyString}"/> </DataTemplate> </ContentControl.ContentTemplate> </ContentControl> And this is all I have as Source public MainWindow() { InitializeComponent(); MyString = "Test"; this.DataContext = this; } public string MyString { get; set; }

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