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  • Centralized error handling in VB6.

    - by AngryHacker
    I have the following method that all the error handlers call: Public Function ToError(strClass As String, strMethod As String) As String On Error GoTo errHandle ToError = "Err " & Err.Number & _ ", Src: " & Err.Source & _ ", Dsc: " & Err.Description & _ ", Project: " & App.Title & _ ", Class: " & strClass & _ ", Method: " & strMethod & _ ", Line: " & Erl Err.Clear exitPoint: Exit Function errHandle: oLog.AddToLog "Error in ToError Method: " & Err.Description, False Resume exitPoint End Function It turns out that because I declare an error handler in this function On Error GoTo errHandle, VB6 clears the error before I am able to record it. Is there a way to prevent the 'On Error GoTo errHandle' statement from clearing the error?

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  • Will be self-taught limit me?

    - by Isaiah
    I'm 21 and am pretty efficient in html/css, python, and javascript. I also know my way around lisp languages and enjoy programing in them. My problem is that I'm extremely self-taught and not quite confident that I could land a job programing, but I really need a job soon as I've just become a father. I haven't even created a resume yet because I'm not really sure what to put on it except my lone experience. So I wanted to ask, will being primarily self-taught with some experience on small projects I've done for a few clients limit me too much? I mean I know I need some kind of education so I've enrolled part time in a community college to work on a degree in computer science, but it's years till then. And if it will limit me a lot, what kind of skills would be good to work on to make my chances any better? Thank You

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  • Hold i ajax call in every minute calling section

    - by gowri
    i am calling ajax every second in page.. Here the server page returns randomly generated number,using this number(converted into seconds) i am triggering another function in ajax success .it works My problem suppose random number = 5 means trigger() function called after 5 seconds using setTimeout,but rember ajax call is triggering every 1 second so trigger function also called many time. i want to make ajax call wait untill trigger function execution.Which means i wanna pause that ajax call untill 5 seconds after that resume How can i do this ? My coding //this ajax is called every minute $.ajax({ type: "POST", url: 'serverpage', data: ({pid:1}), success: function(msg) { var array = msg.split('/'); if(array[0]==1){ setTimeout(function() { trigger(msg); },array[1]+'000'); } } }); //and my trigger function function trigger(value) { alert("i am triggered !"); } server response maybe 1/2 or 1/5 or 1/ 10 or 1/1 here 1/3(this is converted into seconds)

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  • Does an IFilter Exist for Indexing Source Code Files?

    - by AMissico
    Anybody know of an IFilter that can index source code files beyond what the "Plain Text" filter can provide, with possibly a custom "Property Set" specific to programming? For example, I have 835MB in 41,000 files and 8,200 folders in my "Code Library" folder. I would like to perform searches such as "select distinct attributes on properties" or "select class exceptions" or "select classes with nested private classes". Preferrably, the IFilter can distinguish between various languages, so I can perform a query like "select class exceptions in VB.NET" or "select 'resume next' in VBScript". Other Examples "select all enum from folder('microsoft source code') in namespace 'system.io'"

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  • Using my cell phone as remote control for PC via Bluetooth/Java

    - by Jan Kuboschek
    I've got a PC and a Samsung Eternity (that's a cell phone). I'd like to use my Eternity as remote control for my PC. Here's how I think I have to go about it: Write a desktop app (server) that accepts a connection from my cell. Write an app (client) for my cell through which I can establish a connection to the server and send commands to it. The server then executes the commands (e.g. adjust volume, pause/resume movie) Thoughts on that? Spot on or way off? Regarding the Eternity: What's a good way to get started with that? I'm guessing that I'll have to get the SDK. Does anyone have a good place to start/tutorial for that? Regarding the server: Does Java come with Bluetooth connectivity straight out of the box or do I need to fetch a library for that from somewhere? If so, from where? All help is much appreciated :)

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  • Fat ASP.NET MVC Controllers

    - by Mosh
    Hello, I have been reading about "Fat Controllers" but most of the articles out there focus on pulling the service/repository layer logic out of the controller. However, I have run into a different situation and am wondering if anyone has any ideas for improvement. I have a controller with too many actions and am wondering how I can break this down into many controllers with fewer actions. All these actions are responsible for inserting/updating/removing objects that all belong to the same aggregate. So I'm not quiet keen in having a seperate controller for each class that belongs to this aggregate... To give you more details, this controller is used in a tabbed page. Each tab represents a portion of the data for editing and all the domain model objects used here belong to the same aggregate. Any advice? Cheers, Mosh

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  • Raise event from http listener (Async listener handler)

    - by Sean
    Hello, I have created an simple web server, leveraging .NET HttpListener class. I am using ThreadPool.QueueUserWorkItem() to spawn a thread to listen to incoming requests. Threaded method uses HttpListener.BeginGetContext(callback, listener), and in callback method I resume with HttpListener.EndGetContext() as well as raise an even to notify UI that listener received data. This is the question - how to raise that event? Initially I used ThreadPool: ThreadPool.QueueUserWorkItem(state => ReceivedRequest(httpListenerContext, receivedRequestArgs)); But then started to doubt, maybe it should be a dedicated thread (as appose to waiting for a thread from pool): new Thread(() => ReceivedRequest(httpListenerContext, receivedRequestArgs)).Start(); Thoughts? 10X

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  • Achieve Rails-style migrations in MS Access VBA application

    - by avguchenko
    This is a simple way to do Rails-style migrations in a VBA application. Just add additional migrations like migration(name, sql_string, database) to run_migratons and call run_migrations somewhere in the beginning of your execution. Function migrate(signature As String, sql As String, dbs As DAO.database) Dim rs As DAO.Recordset Set rs = dbs.OpenRecordset("select * from versions where migration = '" & signature & "'") If rs.EOF Then dbs.Execute (sql) rs.AddNew rs("migration") = signature rs.Update End If End Function Function setup_versions(dbs As DAO.database) Dim t As DAO.TableDef On Error Resume Next Set t = dbs.TableDefs("versions") If Err.Number <> 0 Then dbs.Execute ("CREATE TABLE versions (migration text)") End If Err.Clear End Function Function run_migrations(dbs As DAO.database) setup_versions(dbs) migrate("20100315142400_create_table", "CREATE TABLE table_name (field1 type, field 2 type)", dbs) 'add migrations here' End Function

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  • More pythonic way to iterate

    - by fmark
    I am using a module that is part of a commercial software API. The good news is there is a python module - the bad news is that its pretty unpythonic. To iterate over rows, the follwoing syntax is used: cursor = gp.getcursor(table) row = cursor.Next() while row: #do something with row row = cursor.next() What is the most pythonic way to deal with this situation? I have considered creating a first class function/generator and wrapping calls to a for loop in it: def cursor_iterator(cursor): row = cursor.Next() while row: yield row row = cursor.next() [...] cursor = gp.getcursor(table) for row in cursor_iterator(cursor): # do something with row This is an improvement, but feels a little clumsy. Is there a more pythonic approach? Should I create a wrapper class around the table type?

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  • Outlook VBA to BCC emails sent not working in outlook 2007

    - by Pixfizz
    Inserted code in "ItemSend" and saved the ThisOutlookSession module. It worked once and no longer works. Before anyone asks; it was saved as BVaproject.OTM and is still there when I open the module back up after restarting outlook. Private Sub Application_ItemSend(ByVal Item As Object, _ Cancel As Boolean) Dim objRecip As Recipient Dim strMsg As String Dim res As Integer Dim strBcc As String On Error Resume Next ' #### USER OPTIONS #### ' address for Bcc -- must be SMTP address or resolvable ' to a name in the address book strBcc = "[email protected]" Set objRecip = Item.Recipients.Add(strBcc) objRecip.Type = olBCC If Not objRecip.Resolve Then strMsg = "Could not resolve the Bcc recipient. " & _ "Do you want still to send the message?" res = MsgBox(strMsg, vbYesNo + vbDefaultButton1, _ "Could Not Resolve Bcc Recipient") If res = vbNo Then Cancel = True End If End If Set objRecip = Nothing End Sub

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  • Android back button does not restart activity?

    - by Chris
    My app intiates an activity. On the click of a button, the app opens up the browser with a webpage. When I hit the back button, it comes back to my initial activity screen, but does not resume or restart the activity. When I put all the layout code and activity code in onResume instead of onCreate, the activity gets restarted. My question is whether this is the right way to go about it? Can I use onResume to draw my layout and initiate the activity, or is this poor design? When the browser fires up, does the initial activity forget its layout? Please let me know what you suggest. Thanks Chris

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  • Is there any need to get a Computer Science degree?

    - by Tom Moseley
    I've been a software developer for 20 years. i've been involved in language development and large data warehouse development. I've worked for start-ups that have gone public, and for government contractors, and I've written a published programming book. My knowledge is either self-taught or on-the-job. I've worked with some of the best and brightest, and they taught me well. I'm back in school now, and am weighing my options, deciding between a Computer Science and a business degree. My question is this. What do I gain, at this point in my career, by earning a Computer Science degree? I just don't know if a Computer Science degree, at this point, is a value-add on my resume. Edit: I'm working on completing an undergraduate degree.

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  • Optimizing for speed - 4 dimensional array lookup in C

    - by Tiago
    I have a fitness function that is scoring the values on an int array based on data that lies on a 4D array. The profiler says this function is using 80% of CPU time (it needs to be called several million times). I can't seem to optimize it further (if it's even possible). Here is the function: unsigned int lookup_array[26][26][26][26]; /* lookup_array is a global variable */ unsigned int get_i_score(unsigned int *input) { register unsigned int i, score = 0; for(i = len - 3; i--; ) score += lookup_array[input[i]][input[i + 1]][input[i + 2]][input[i + 3]]; return(score) } I've tried to flatten the array to a single dimension but there was no improvement in performance. This is running on an IA32 CPU. Any CPU specific optimizations are also helpful. Thanks

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  • Factory Method Pattern using Generics-C#

    - by nanda
    Just I am learning Generics.When i have an Abstract Method pattern like : //Abstract Product interface IPage { string pageType(); } //Concerete Product 1 class ResumePage : IPage { public string pageType() { return "Resume Page"; } } //Concrete Product 2 class SummaryPage : IPage { public string pageType() { return "SummaryPage"; } } //Fcatory Creator class FactoryCreator { public IPage CreateOnRequirement(int i) { if (i == 1) return new ResumePage(); else { return new SummaryPage(); } } } //Client/Consumer void Main() { FactoryCreator c = new FactoryCreator(); IPage p; p = c.CreateOnRequirement(1); Console.WriteLine("Page Type is {0}", p.pageType()); p = c.CreateOnRequirement(2); Console.WriteLine("Page Type is {0}", p.pageType()); Console.ReadLine(); } how to convert the code using generics?

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  • Is the single <form runat="server">-element requirement really necessary for ASP.NET WebForms?

    - by michielvoo
    Looking at some of the changes coming to WebForms in ASP.NET 4.0 I can see many improvements that give developers even more control over the output. Some of these improvement have been a long time coming, and for some time it seemed that it wasn't even possible. It made me wonder if the current model with the single form element that runs on the server is really the only possible way. Why couldn't the ASPNET WebForm architecture work with multiple forms that all run on the server? Imagine if you could architect this change. How would it impact the way we write codebehind today? Would it introduce extra complexity? Would it change the way event handlers work, or validation, or ASP.NET Ajax with the ScriptManager and UpdatePanel controls?

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  • Measuring Programmers' Productivity. Bad, good or invasive?

    - by Fraga
    A client needs my company to develop an app that will be able to measure the programmer productivity, by getting information from VS, IE, SSMS, profiler and VMware. For example: Lines, Methods, Classes (Added, Deleted, Modified) How many time spent in certain file, class, method, specific task, etc. How many time in different stages of the development cycle (Design, Coding, Debugging, Compiling, Testing) Real lines of code. Etc They told me they want to implement PSP. Would you resign if a company wants to measure this way? OR Would you install this kind of software for self improvement?

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  • Detecting the type of iPhone interrupt

    - by Prashant
    I can detect that the iPhone went to sleep and came back from sleep, by using the applicationWillResignActive and applicationDidBecomeActive. But how do I find out what kind of interrupt it was. I am making an audio player application, and need to keep the audio playing when the iPhone goes to sleep (which I know how to do). But I need to interrupt the audio when a message, alarm or low battery interrupt occurs. Also I need to resume the audio when the event is over. So how do I differentiate between these different interrupts.

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  • how to lengthen the pause between the words with text-to-speech (pyTTS or SAPI5)

    - by Berry Tsakala
    Is it possible to extend the gap between spoken words when using text to speech with SAPI5 ? The problem is that esp. with some voices, the words are almost connected to each other, which makes the speech more difficult to understand. I'm using python and pyTTS module (on windows, since it's using SAPI) I tried to hook to the OnWord event and add a time.sleep() or tts.Pause(), but apparently even though all the events are caught, they are being processed only at the end of the spoken text, whether i'm using the sync or async flag. In this NON WORKING example, the sleep() method is executed only after the sentence is spoken: tts = pyTTS.Create() def f(x): tts.Pause() sleep(0.5) tts.Resume() tts.OnWord = f tts.Speak(text)

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  • Error while creating a table style in excel

    - by Rashmi Pandit
    Hi, I am using the following function to create a TableStyle: Public Function CreateTableStyle() ActiveWorkbook.Unprotect Dim objTS As TableStyle On Error Resume Next Set objTS = ActiveWorkbook.TableStyles("MyTableStyle") On Error GoTo err_CreateTableStyle If Not objTS Is Nothing Then Exit Function End If Set objTS = ActiveWorkbook.TableStyles.Add("MyTableStyle") With ActiveWorkbook.TableStyles("MyTableStyle") .ShowAsAvailablePivotTableStyle = True .ShowAsAvailableTableStyle = False End With With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlHeaderRow).Font .FontStyle = "Bold" .TintAndShade = 0 .ThemeColor = xlThemeColorDark1 End With With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlHeaderRow).Interior .ThemeColor = xlThemeColorLight2 .TintAndShade = -0.249946592608417 End With With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlTotalRow).Font .FontStyle = "Bold" .TintAndShade = 0 .ThemeColor = xlThemeColorDark1 End With With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlTotalRow).Interior .ThemeColor = xlThemeColorLight2 .TintAndShade = -0.249946592608417 End With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlSubtotalRow1).Font.FontStyle = "Bold" With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlSubtotalRow1).Interior .Color = 16764828 .TintAndShade = 0 End With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlSubtotalRow2).Font.FontStyle = "Bold" With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlSubtotalRow2).Interior .Color = 16777164 .TintAndShade = 0 End With ActiveWorkbook.Protect Exit Function err_CreateTableStyle: Call Common.ErrRaise(Erl, "Common", "CreateTableStyle", "CreateTableStyle") End Function At the line below: With ActiveWorkbook.TableStyles("MyTableStyle").TableStyleElements( _ xlHeaderRow).Font .FontStyle = "Bold" I am getting an error: Run-time error '1004' Unable to set the FontStyle property of the Font class. Can someone please identify the issue? I am not able to figure why it is not letting me set the property.

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  • MySQL query optimization JOIN

    - by Pierre
    Hi, I need your help to optimize those mysql query, both are in my slow query logs. SELECT a.nom, c.id_apps, c.id_commentaire, c.id_utilisateur, c.note_commentaire, u.nom_utilisateur FROM comments AS c LEFT JOIN apps AS a ON c.id_apps = a.id_apps LEFT JOIN users AS u ON c.id_utilisateur = u.id_utilisateur ORDER BY c.date_commentaire DESC LIMIT 5; There is a MySQL INDEX on c.id_apps, a.id_apps, c.id_utilisateur, u.id_utilisateur and c.date_commentaire. SELECT a.id_apps, a.id_itunes, a.nom, a.prix, a.resume, c.nom_fr_cat, e.nom_edit FROM apps AS a LEFT JOIN cat AS c ON a.categorie = c.id_cat LEFT JOIN edit AS e ON a.editeur = e.id_edit ORDER BY a.id_apps DESC LIMIT 20; There is a MySQL INDEX on a.categorie, c.id_cat, a.editeur, e.id_edit and a.id_apps Thanks

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  • how to profile my code??

    - by kaki
    i want to how to profile my code... i have gone through the docs , but as there were no example codes given i could not get anything from it. i have a large code and it is taking so much time hence want to profile and increase its speed. i havent written my code in method , there are few in between but not completely. i dont have any main in my code..i want to know how to use profiling.. looking for some example or sample code of about how to profile.. i tried psyco i.e just addded two line at the top of my code import psyco psyco.full() is this write,it did not show any improvement. and other way of speeding up ,please suggest. thanks in advance..

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  • Performing AJAX calls on the "new" controller

    - by shmichael
    In my rails app, I want to have a sortable list as part of an object creation. The best practice suggested Railscast adds the acts_as_list plugin and then initiates AJAX calls to update item position. However, AJAX calls won't work on an unsaved model, which is the situation with new. One solution would be to save the model immediately on new and redirect to edit. This would have a nice side effect of persisting any change so the user could resume work should he be interrupted. However, this solution adds the unwanted complexity of saving an invalid model, compromising rails' validation processes. Is there any better way to allow AJAX + validations without going into too much work?

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  • Guaranteed COM object release?

    - by Jurily
    I wrote the following code under the assumption that Excel will die with Monkey: class ExcelMonkey { private static Excel.Application xl = new Excel.Application(); public static bool parse(string filename) { if (filename.Contains("foo")) { var workbook = xl.Workbooks.Open(filename); var sheet = workbook.Worksheets.get_Item(1); // do stuff return true; } return false; } } How do I make sure it does? Do I need to release workbook and sheet separately? I want to have Excel around for the lifetime of the program, it's a huge performance improvement.

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  • Python: does it make sense to refactor this check into it's own method?

    - by Jeff Fry
    I'm still learning python. I just wrote this method to determine if a player has won a game of tic-tac-toe yet, given a board state like:'[['o','x','x'],['x','o','-'],['x','o','o']]' def hasWon(board): players = ['x', 'o'] for player in players: for row in board: if row.count(player) == 3: return player top, mid, low = board for i in range(3): if [ top[i],mid[i],low[i] ].count(player) == 3: return player if [top[0],mid[1],low[2]].count(player) == 3: return player if [top[2],mid[1],low[0]].count(player) == 3: return player return None It occurred to me that I check lists of 3 chars several times and could refactor the checking to its own method like so: def check(list, player): if list.count(player) == 3: return player ...but then realized that all that really does is change lines like: if [ top[i],mid[i],low[i] ].count(player) == 3: return player to: if check( [top[i],mid[i],low[i]], player ): return player ...which frankly doesn't seem like much of an improvement. Do you see a better way to refactor this? Or in general a more Pythonic option? I'd love to hear it!

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  • Career path decisions

    - by MindFold
    Hi all, I'm on a verge of quitting my current job as a .NET programmer. i'm 25 years old and have been a .NET programmer in the past 5-6 years, but now i wonder if maybe i should take this opurtunity and try some other things, like RT\Embedded or Driver development. My pro\cons: i love .NET since you can write enterprise systems with it, learn cool development methodologies and practice many patterns i want to learn RT\Embedded\Driver since its at the heart of so many things and i'm feeling this is a black hole for me. My question are: Is making career leaps a good idea? How can i manage to get myself into a job in RT\Embedded as my whole Resume has c# written all over it. What should i bet my cards on this days? android? java? flash? silverlight? etc?

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