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  • Problem with Core Data - EXC_BAD_ACCESS

    - by BarrettJ
    I'm using the following code and I'm getting an EXC_BAD_ACCESS when trying to get the count of objects - anyone have any idea why? Oddly enough, the error only happens if the count should be one or greater, if there are no objects it seems to work fine (it outputs null). NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"TVShow" inManagedObjectContext:[self managedObjectContext]]; [fetchRequest setEntity:entity]; [fetchRequest includesPendingChanges]; //NSPredicate *predicate = [NSPredicate predicateWithFormat:@"ID == %@", showId]; //[fetchRequest setPredicate:predicate]; NSError *error; NSLog(@"Generating Count"); NSUInteger count = [[self managedObjectContext] countForFetchRequest:fetchRequest error:&error]; if(count == NSNotFound) { NSLog(@"error"); } else { NSLog(@"%@", count); // EXC_BAD_ACCESS here } [fetchRequest release];

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  • Doctrine Mssql uniqueidentifier isn't cast as char or nvarchar when retrieved from the database.

    - by Tres
    When I retrieve a record from the database which has a column of type "uniqueidentifier", Doctrine fills it with "null" rather than the unique id from the database. Some research and testing has brought this down to a PDO/dblib driver issue. When directly querying via PDO, null is returned in place of the unique id. For reference, http://trac.doctrine-project.org/ticket/1096, has a bit on this, however, it was updated 11 months ago with no comment for resolution. A way around this, as mentioned at http://bugs.php.net/bug.php?id=24752&edit=1, is to cast the column as a char. However, it doesn't seem Doctrine exposes the native field type outside of generating models which makes it a bit hard to detect uniqueidentifier types and cast them internally when building the sql query. Has anyone found a workaround for this?

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  • XmlSchemaElement type

    - by user305287
    Hi, I'm generating WSDL of my web service dynamically, but when I set the XmlSchemaType of my elements, the ServiceDescriptor writes the element as an element rather than message, as I need. The code looks like this: XmlSchemaElement schemaElement = new XmlSchemaElement(); XmlSchemaComplexType complexType = new XmlSchemaComplexType(); XmlSchemaSequence sequence = new XmlSchemaSequence(); foreach (XmlSchemaComplexElementParameter param in element.Parameters) { XmlSchemaElement paramElement = new XmlSchemaElement(); paramElement.Name = param.ParameterName; paramElement.SchemaTypeName = new XmlQualifiedName(param.ParameterType, "http://www.w3.org/2001/XMLSchema"); paramElement.MaxOccurs = param.MaxOccurs; paramElement.MinOccurs = param.MinOccurs; sequence.Items.Add(paramElement); } complexType.Particle = sequence; schemaElement.Name = element.MessageName; schemaElement.SchemaType = complexType; Any ideas about this?

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  • how to convert byte array to key format??

    - by sebby_zml
    hi everyone, i would like to know how to convert byte array into key. i am doing an AES encryption/decryption. instead of generating a key, i would like to use my generated byte array. byte[] clientCK = Milenage.f3(sharedSecret16, RANDbytes, opc); let say i have a byte array called clientCK, stated above. i want to use it in AES encryption as shown below. Cipher c = Cipher.getInstance("AES"); c.init(Cipher.ENCRYPT_MODE, key); byte[] encValue = c.doFinal(valueToEnc.getBytes()); String encryptedValue = new BASE64Encoder().encode(encValue); therefore, i need to convert that byte array clientCK into key format. please help.

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  • How to properly rewrite ASSERT code to pass /analyze in msvc?

    - by Sorin Sbarnea
    Visual Studio added code analysis (/analyze) for C/C++ in order to help identify bad code. This is quite a nice feature but when you deal with and old project you may be overwhelmed by the number of warnings. Most of the problems are generating because the old code is doing some ASSERT at the beginning of the method or function. I think this is the ASSERT definition used in the code (from afx.h) #define ASSERT(f) DEBUG_ONLY((void) ((f) || !::AfxAssertFailedLine(THIS_FILE, __LINE__) || (AfxDebugBreak(), 0))) Example code: ASSERT(pBytes != NULL); *pBytes = 0; // <- warning C6011: Dereferencing NULL pointer 'pBytes' I'm looking for an easy and safe solution to solve these warnings that does not imply disabling these warnings. Did I mention that there are lots of occurrences in current codebase?

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  • How to list directory hierarchy in PyGTK treeview widget?

    - by lyrae
    I am trying to generate a hierarchical directory listing in pyGTK. Currently, I have this following directory tree: /root folderA - subdirA - subA.py - a.py folderB - b.py I have written a function that -almost- seem to work: def go(root, piter = None): for filename in os.listdir(root): isdir = os.path.isdir(os.path.join(root, filename)) piter = self.treestore.append(piter, [filename]) if isdir == True: go(os.path.join(root, filename), piter) This is what i get when i run the app: I also think my function is inefficient and that i should be using os.walk(), since it already exists for such purpose. How can I, and what is the proper/most efficient way of generating a directory tree with pyGTK?

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  • PartCover code details

    - by user329814
    I am using PartCover 2.2/2.3(trying with both) on win 7 x64. After generating report and selecting view coverage details, I can see for each method the code coverage. When I click on a method I see on the right list with block, block length, visit count and has source(set to yes). However, it doesn't fill the code like shown here http://www.csharpcity.com/using-partcover-and-nunit-for-code-coverage/. I haven't checked anything, everything is default. Can you tell me how I can see the coverage code? Thank you

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  • Algorithm - Numbering for TOC (Table of Contents)

    - by belisarius
    I want to implement a VBA function to number Excel rows based upon the grouping depth of the row. But I think a general algorithm for generating TOCs is more interesting. The problem is: Given a list of "indented" lines such as One Two Three Four Five Six (the "indentation level" may be assumed to be known and part of the input data) To generate the following output: 1. One 1.1 Two 1.1.1 Three 1.1.1.1 Four 1.2 Five 2. Six Of course my code is up and running ... and also hidden under THWoS (The Heavy Weight of Shame)

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  • browser ctrl-f find and non-visible text

    - by David Pilling
    Can the browser feature of contrl+F to find text be integrated with text in popup windows. I'd like to have some scientific reference information given when someone hovers over a species name in a web page. Generating the popup, tooltip style text is no problem, the problem is that anyone using Ctrl+F won't be able to find it, or if I position the text out of view when not required, it will be found but be invisible. The same sort of effect applies to "accordion" style expanding text areas. I'm looking for some sort of event generated when find is highlighting a result.

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  • Paypal subscription API - transaction variables not POSTed

    - by morpheous
    I am writing a payments system based around paypal, I am using the HTML 'API'. I am passing the following form fields to PayPal: 'rm' = 2 'return = http://www.example.com/payment-handler.php?token=sometoken Where 'token' is a token I generated. According to the paypal documentation, a return method (rm) of 2 indicates to Paypal that the transaction data be posted back to the callback url using the POST method. When processing items using 'buy_now' buttons, the transaction items are correctly POSTed to my callback url (payment-handler.php), but for 'subscribe' operations, although the callback url is called, no POST data is sent to the url, and also, the 'token' field is missing. Instead, there is a parameter called 'auth'. I cant see anything in the paypal docs about a 'auth' field - so I dont know whats generating it and if I can reliably using it. Can anyone shed some light on this?

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  • How to get mp3 files to play in iPhone Safari web browser?

    - by grrussel
    How can I get an MP3 audio file to play in iPhone Safari (OS 3.1)? Currently, I am generating HTML e.g. <a href="file.mp3"><img src="sound.png" alt="Play audio"/></a> to play the file on clicking on the nested image. This works on Safari on OSX, but not on the iPhone. There, the content of the file is shown as text, but it does not appear to be a mime-type problem when checked with Live HTTP Headers from Firefox. I have found approaches referenced here. These require the Safari Plugins setting to be on in the preferences, which is why it did not previously work for me.

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  • Good way to capture/replay sessions from Apache Log?

    - by Mark Harrison
    For performance testing, I would like to capture some traffic from a production server and use that as a basis to replay the request to a test server in order to simulate a realistic load in our development environment. These are all stateless queries, so no issues regarding cookies, sessions, etc. The Apache log timestamps everything down to a 1 second resolution, but that's not fine enough granularity for our peak times. What's the best way to capture more fine-grained timestamps for replay? And is there some ab-like load generating program that can use this data to replicate load?

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  • R and SPSS difference

    - by sfactor
    i will be analysing vast amount of network traffic related data shortly. i will pre-process the data in order to analyse it. i have found that R and SPSS are among the most popular tools for statistical analysis. i will also be generating quite a lot of graphs and charts. so i was wondering what is the basic difference between these two softwares. i am not asking which one is better. i just wanted to know what are the difference in terms of workflow between the two besides the fact that SPSS has a GUI. I will be mostly working with scripts in either case anyway so i wanted to know about the other differences.

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  • generate html select element by previous selected value using jquery

    - by FredS104
    i've a first html select element which generate a second html select element using a first Ajax Function and it will work correctly. This second html element will generate my third html select element but when i do this code for generating my third selector it don't work. i'm looking to made it anyone could help me? here is the code: $("#SystemNameSelection").on('change',function () { var SystemName = $("#SystemNameSelection").text(); if (SystemName === "Value1") { $.ajax({url:"MyFile1.php",success:function(result) { $("#MyElementToPutTheSelector").html(result); } }); } else if (SystemName === "Value2") { $.ajax({url:"MyFile2.php",success:function(result) { $("#MyElementToPutTheSelector").html(result); } }); } else if (SystemName === "Value3") { $.ajax({url:"MyFile3.php",success:function(result) { $("#MyElementToPutTheSelector").html(result); } }); } }); Myfile1, Myfile2 and MyFile3 contain three different html select element. I've tried also with the .change() method and it's didn't work too.

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  • Producer/consumer in Grails?

    - by Mulone
    Hi all, I'm trying to implement a Consumer/Producer app in Grails, after several unsuccessful attempts at implementing concurrent threads. Basically I want to store all the events coming from a clients (through separate AJAX calls) in a single queue and then process such a queue in a linear way as soon as new events are added. This looks like a Producer/Consumer problem: http://en.wikipedia.org/wiki/Producer-consumer_problem How can I implement this in Grails (maybe with a timer or even better by generating an event 'process queue')? Basically I'd like to a have a singleton service waiting for new events in the queue and processing them linearly (even if the queue is loaded by several concurrent processes). Any hints? Cheers!

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  • alternatives to System.Diagnostics.Process.Start when command is too long

    - by Frank Schwieterman
    I have some code which is generating a rather long command that is being sent to System.Diagnostics.Process.Start(). The call fails with a Win32Exception, message "The filename or extension is too long". The path to the program itself is not very long, but the parameters passed in are quite long. I am calling the version where an instance of ProcessStartInfo is passed as the parameter, and in this case its the ProcessStartInfo.Arguments .Field that is very long. (other parameters: CreateNoWindow = true, UseShellExecute = false, RedirectStandardError = true). It looks like the exception is coming from a call to win32 function CreateProcess. Does anyone have an idea of another way to start the process?

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  • How to set probability for a targetSprite shooting accuracy in shooting game ?

    - by srikanth rongali
    Hi, My code is ion cocos2D. I have written code for generating the bullets from the enemy gun for every 0.3seconds. The enemySprite is in right side of the screen in (land scape mode) at winSize.height/2. the bullet starts from the same point and reach the player's end. I used rand() to generate y-coordinate for the bullet to hit on player side. Now, if the bullet bounded rectangle meets the player bounded rectangle the enemy won. If it misses enemy shoots again after 0.3 seconds. Every thing is fine up to here for me. But I have 10 enemies and each have accuracy of hitting player of probabilities ranging from 0.80 to 1.0. First enemy probability is .80 and 10 enemy's is 1.0. How can I adjust the probability for enemy such that it runs according to its probability. Player also hits the enemy.

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  • What is ltmain.sh, and why does automake say it is missing? What is a good auto (make/conf/etc) gene

    - by gersh
    I just want to develop a C app in linux with the auto(make/conf/...) stuff automatically generated. I tried generating it with ede and anjuta, but it doesn't seem to generate Makefile.am. So, I tried running automake, and it says "ltmain.sh" isn't found. Is there some easy to generate the basic build files for linux C/C++ apps. What is the standard practice? Do most people write these files themselves?

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  • Nagios - Custom Report Generation

    - by Naveen
    Hi, I want to generate a custom report in "Nagios-3.2.0". I have defined the work-hours in "timeperiods.cfg" as follows: 'workhours' timeperiod definition define timeperiod { timeperiod_name 0800-2000 alias full time monday 08:00-20:00 tuesday 08:00-20:00 wednesday 08:00-20:00 thursday 08:00-20:00 friday 08:00-20:00 saturday 08:00-20:00 } Now, if I replace "saturday" with "2010-03-27" or "march 27" as shown below: 'workhours' timeperiod definition define timeperiod { timeperiod_name 0800-2000 alias full time monday 08:00-20:00 tuesday 08:00-20:00 wednesday 08:00-20:00 thursday 08:00-20:00 friday 08:00-20:00 2010-03-27 08:00-20:00 } Nagios is not generating report for the given date (2010-03-27). How can I modify "timeperiods.cfg" so that I can generate reports for the given dates ?

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  • Magic behind R.java file

    - by LambergaR
    Hi! Recently I have been having quite some problems with R.java file. Now I have decided to do a backup and delete the file to see what happens. Nothing happened, so I created an empty R.java file and hopped for the best. Now Eclipse seems to figure out that the file was tempered with and even issues a warning: R.java was modified manually! Reverting to generated version! And that's all there is. I tried building it manually but got no results. So, I have two questions: 1. what should I do to force Eclipse to generate the file 2. what is happening here? How is the file created, where is the code that is generating the file? I would appreciate any help. As usual the problem occurred just a few days before the deadline :)

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  • HyperJAXB and IDREFs

    - by finrod
    I have eventually managed to fiddle HyperJAXB so that when XSD has complexType A and this has an IDREF to complexType B, then HyperJAXB will generate @OneToOne JPA annotations between the the two generated entities. However now I'm facing another problem: the XSD has complex type X that can IDREF to either complex type Y or complex type Z. In the end, I need instance of complex type X contain reference to either instance of class Y or class Z. Do you have any wild ideas how can this be done without manual alterations to the generated classes? And at the same time to make sure these entities are marshalled to a correct XML? How about using the JAXB plugin that allows generating classes so that they implement a particular interface? Could that lead anywhere?

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  • PyGTK: Doubleclick on CellRenderer

    - by rami
    Hello! In my PyGTK application I currently use 'editable' to make cells editable. But since my cell contents sometimes are really really large I want to ask the user for changes in a new window when he doubleclicks on a cell. But I could not find out how to hook on double-clicks on specific cellrenderers - I don't want to edit the whole row and I also don't want to set this callback for the whole row, only for columns where too long content can occur. How can I do this with CellRendererText() or something similar. My currently cell-generating code is: cols[i] = gtk.TreeViewColumn(coltitle) cells[i] = gtk.CellRendererText() cols[i].pack_start(cells[i]) cols[i].add_attribute(cells[i], 'text', i) cols[i].set_sizing(gtk.TREE_VIEW_COLUMN_FIXED) cols[i].set_fixed_width(100) cells[i].set_property('editable', True) cells[i].connect('edited', self.edited, (i, ls)) cols[i].set_resizable(True) mytreeview.append_column(cols[i]) Thanks!

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  • Help understanding how to make a bar chart using ggplot2

    - by celenius
    I'm trying to use the bar_geom function of ggplot2, but I can't understand how to use it. I've made a small sample of my code to show what I am trying to do: library(ggplot2) # sample data sampleData = data.frame( v1=c('a','b','c','d','e', 'f','g', 'h', 'i','j'), v2=c(1:10) ) sampleData$Names = data.frame( Names = paste(sampleData$v1, sampleData$v2, sep="") ) sampleData$Values = c(1:10) # make plot x = sampleData$Values y = sampleData$Names qplot( x, y, data = sampleData, geom="bar" ) I want sampleData$Names to be on the x-axis of my graph, labeling each bar and and sampleData$Values to scale the bar height. I want the y-axis to be specified as a range. I realize that I don't understand how ggplot2 functions as this small example does not work, yet my other example is generating a plot but I cannot specify a y-range as it considers the variables to be categorical.

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  • Dynamically create sprite images for Cocos2d-iPhone

    - by AlexChilcott
    Hey guys, I'm working on a platformer, and looking for a way to create a sprite for an arbitrarily sized platform. For example, I may know I have a platform that should appear 200 pixels wide by 32 pixels high, and, say, I have a texture of bricks that I can tile to fill that area. I may also want to draw a black border around the platform. Is this possible at all? Anyone have any ideas for how I might go about doing this? I could always try generating the image on the fly and building a sprite with that image, but I sincerely doubt (hope) that this isn't the most efficient way of doing something like this. Cheers, Alex

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  • Python list comprehension to return edge values of a list

    - by mvid
    If I have a list in python such as: stuff = [1, 2, 3, 4, 5, 6, 7, 8, 9] with length n (in this case 9) and I am interested in creating lists of length n/2 (in this case 4). I want all possible sets of n/2 values in the original list, for example: [1, 2, 3, 4], [2, 3, 4, 5], ..., [9, 1, 2, 3] is there some list comprehension code I could use to iterate through the list and retrieve all of those sublists? I don't care about the order of the values within the lists, I am just trying to find a clever method of generating the lists.

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