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  • Use stringWithFormat: as a file path in cocoa

    - by Cam
    Hello, I'm having a problem with a cocoa application that takes the value of a text field, and writes it to a file. The file path is made using stringWithFormat: to combine 2 strings. For some reason it will not create the file and the console says nothing. Here is my code: //Get the values of the text field NSString *fileName = [fileNameTextField stringValue]; NSString *username = [usernameTextField stringValue]; //Use stringWithFormat: to create the file path NSString *filePath = [NSString stringWithFormat:@"~/Library/Application Support/Test/%@.txt", fileName]; //Write the username to filePath [username writeToFile:filePath atomically:YES]; Thanks for any help

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  • I want to use contents of String or Array in an IF ELSE statement for iphone

    - by Michael Robinson
    I want to check to see if an array is empty to activate a shipping method. Here is the code for returning the array. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *fullFileName = [NSString stringWithFormat:@"%@/arraySaveFile", documentsDirectory]; NSMutableArray *array = [[NSMutableArray alloc] initWithContentsOfFile:fullFileName]; I want to write something like: if NSString *fullFileName ="" ; [nnNEP EnableShipping]; else [nnNEP DisableShipping]; OR if array contents ="" ; [nnNEP EnableShipping]; else [nnNEP DisableShipping]; I just can't find the right or description on how to do this properly. Thanks,

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  • Why is there so much poorly indented code out there?

    - by dsimcha
    The more I browse the code to open source projects in languages that aren't Python, the more I realize that it seems a lot of programmers don't believe in proper indentation. (I won't mention any projects specifically to avoid having anyone take this question too personally.) Usually code is indented, but in a way just different enough from the standard style that it drives me crazy, especially in old/crufty code. I've noticed that when I write in C-like languages, I tend to indent correctly as religiously as when I'm writing in Python, with the exception of debugging code that I actually want to stick out like a sore thumb. Given how easy it is with a modern IDE to fix incorrect indentation, what are some rationales for not religiously keeping indentation in sync with braces?

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  • how do i use a .dat file as a model for an entity in minecraft?

    - by user1835502
    the entity does not have to do anything, just stand there like a statue, or it doesn't have to be an entity at all, just so the .dat file renders in minecraft i saw this http://pastebin.com/jP4diLJ9 in a java file that came with a .exe, and in the .exe you can choose one of the .dat files and it will show you it as a model, i also asked on minecraft forums and someone said it was possible but i have no idea how maybe has something to do with this try { FileOutputStream fileoutputstream = new FileOutputStream("./Models/"+id+".dat"); fileoutputstream.write(b, 0, b.length); fileoutputstream.close(); } catch(Throwable _ex) {} or if(i 0) {//grabs all models System.out.println("Sending request for Model: "+i); addRequest( 7, i); byte b[] = pack.unpack(download().buffer); if(pack.unpacked) { savemodel(i,b); System.out.println("Model Saved"); }else{ System.out.println("Model Grabbing Complete"); break;

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  • Conditional type definitions

    - by pythonic metaphor
    I'm sure that boost has some functions for doing this, but I don't know the relevant libraries well enough. I have a template class, which is pretty basic, except for one twist where I need to define a conditional type. Here is the psuedo code for what I want struct PlaceHolder {}; template <typename T> class C{ typedef (T == PlaceHolder ? void : T) usefulType; }; How do I write that type conditional?

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  • fprintf() within a subprogram

    - by sergio
    Im stuck when trying to write to my file within my subprogram. void new_page(float *a, float *b, float *c, int *d){ fprintf(results,"\nPage Totals: %f\t%f\t%f\t%d", *a,*b,*c,*d); } I get a warning saying "Warning: incompatible implicit declaration of built-in function 'fprinf' [enabled by default]" "error: 'results' undeclared (first use in this function)" in main fprintf works fine, its just when it comes to the subprogram/function it wont work. from my understanding it thinks that results is undeclared, so do i have to pass the name or location of the file to make it work?

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  • Why make anything internal?

    - by c-charp N00b
    I don't really see the point of making methods or classes internal. In my very limited understanding, all it does is make working with your code very difficult for other programmers. Say I write Big_Important_Class for Project A and make said class internal. Then Bob, working on Project B needs to use my class to have project B work with Project A, but since its internal he can't. As of now this is the only thing I have seen internals do, make things really complicated for the guy working on Project B. I know there has to be a good reason to use internals, but I don't see any. Could someone please explain how they can be a good thing?

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  • How do we name test methods where we are checking for more than one condition?

    - by Sandbox
    I follow the technique specified in Roy Osherove's The Art Of Unit Testing book while naming test methods - MethodName_Scenario_Expectation. It suits perfectly well for my 'unit' tests. But,for tests that I write in 'controller' or 'coordinator' class, there isn't necessarily a method which I want to test. For these tests, I generate multiple conditions which make up one scenario and then I verify the expectation. For example, I may set some properties on different instances, generate an event and then verify that my expectation from controller/coordinator is being met. Now, my controller handles events using a private event handler. Here my scenario is that, I set some properties, say 3 condition1,condition2 and condition3 Also, my scenario includes an event is raised I don't have a method name as my event handler is private. How do I name such a test method?

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  • VIsual Studio : ASP.NET Extra Page Files

    - by Matthew
    Is there any way to write a VS Add-In or something else that would allow me to be able to link files to an ASPX page in ASP.NET. My goal is to be able to have this extra file created with every ASPX page, and then use a custom MS Build Task to analyze those files and do some stuff. So for example, when I created "MyPage.aspx", I'd actually see these files on disk... MyPage.aspx MyPage.aspx.cs MyPage.aspx.designer.cs MyPage.aspx.MyExtension I want to be able to see the file when I expand a page and be able to edit the file. Possible?

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  • SELECT subset from two tables and LEFT JOIN results

    - by Doctor Trout
    Hi all, I'm trying to write a bit of SQL for SQLITE that will take a subset from two tables (TableA and TableB) and then perform a LEFT JOIN. This is what I've tried, but this produces the wrong result: Select * from TableA Left Join TableB using(key) where TableA.key2 = "xxxx" AND TableB.key3 = "yyyy" This ignore cases where key2="xxxx" but key3 != "yyyy". I want all the rows from TableA that match my criteria whether or not their corresponding value in TableB matches, but only those rows from TableB that match both conditions. I did manage to solve this by using a VIEW, but I'm sure there must be a better way of doing this. It's just beginning to drive me insane tryng to solve it now. (Thanks for any help, hope I've explained this well enough).

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  • Writing shorter code/algorithms, is more efficient (performance)?

    - by Carlos
    After coming across the code golf trivia around the site it is obvious people try to find ways to write code and algorithms as short as the possibly can in terms of characters, lines and total size, even if that means writing something like: n=input() while n>1:n=(n/2,n*3+1)[n%2];print n So as a beginner I start to wonder whether size actually matters :D. It is obviously a very subjective question highly dependent on the actual code being used, but what is the rule of thumb in the real world. In the case that size wont matter, how come then we don't focus more on performance rather than size?

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  • C#: How to gracefully pass multiple conditions to Equals()

    - by Roy
    I'm new to C#, and I'm trying to write a program that selects file types from a FileInfo list. So far I have something along the lines of: List<FileInfo> files = new List<FileInfo>(); IEnumerable<FileInfo> result = files.Where(f=>f.Extension.Equals(".jpg", StringComparison.InvariantCultureIgnoreCase)|| f.Extension.Equals(".gif", StringComparison.InvariantCultureIgnoreCase) ); etc Obviously I'm not happy with this solution, but I don't know how to do this otherwise in a single call. What's the better way to go about it?

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  • How would make this run with an if statement and one for loop?

    - by Nick Jacobs
    I'm trying to get this to run by using an if statment, a for loop, and a list. The list is part of the parameters. I am not sure how to write the if statement and have the program loop through all of the different words and set everything how it is supposed to be. newSndIdx=0; for i in range (8700, 12600+1): sampleValue=getSampleValueAt(sound, i) setSampleValueAt(newSnd, newSndIdx, sampleValue) newSndIdx +=1 newSndIdx=newSndIdx+500 for i in range (15700, 17600+1): sampleValue=getSampleValueAt(sound, i) setSampleValueAt(newSnd, newSndIdx, sampleValue) newSndIdx +=1 newSndIdx=newSndIdx+500 for i in range (18750, 22350+1): sampleValue=getSampleValueAt(sound, i) setSampleValueAt(newSnd, newSndIdx, sampleValue) newSndIdx +=1 newSndIdx=newSndIdx+500 for i in range (23700, 27250+1): sampleValue=getSampleValueAt(sound, i) setSampleValueAt(newSnd, newSndIdx, sampleValue) newSndIdx +=1 newSndIdx=newSndIdx+500 for i in range (106950, 115300+1): sampleValue=getSampleValueAt(sound, i) setSampleValueAt(newSnd, newSndIdx, sampleValue) newSndIdx+=1

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  • Multiple Asserts in a Unit Test

    - by whatispunk
    I've just finished reading Roy Osherove's "The Art of Unit Testing" and I am trying to adhere to the best practices he lays out in the book. One of those best practices is to not use multiple asserts in a test method. The reason for this rule is fairly clear to me, but it makes me wonder... If I have a method like: public Foo MakeFoo(int x, int y, int z) { Foo f = new Foo(); f.X = x; f.Y = y; f.Z = z; return f; } Must I really write individual unit tests to assert each separate property of Foo is initialized with the supplied value? Is it really all that uncommon to use multiple asserts in a test method? FYI: I am using MSTest.

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  • Is there a .NET BCL class to help with hand-rolled property path binding?

    - by Wayne
    WPF and Silverlight have a data binding model whereby I can provide a Binding with a Path which comprises a dot-notation of property accessors down from a DataContext to a specific value inside a complex object graph (eg. MyDataContext.RootProperty.SubProperty.Thing.Value) I have a (non-UI) requirement to accept such a path expressed as a simple string, and to use reflection on an object which is (hopefully) of a type which exposes the right property getters and setters in order to read and/or write values to those properties. Before I go off and start writing the parser and reflection code, is there a handy Framework 3.5 BCL class to help with this?

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  • Writing iPhone apps on linux - What tools do you need

    - by Sia.G
    Hello. I wanted to know if it's possible to WRITE and COMPILE/TEST iPhone apps on a linux platform. I've been on google for a couple of days now, and people either talk about "Mac OS X only!", or "Develop jailbroke apps on Linux". My dev partner has a mac and has a certificate to sign the apps. I don't have a mac, but I will be doing most of the development. So what I want to do is simply develop/test the app in linux, and when it's finished, simply hand over the code to him, who will then compile the finalized app and sign it ready for submission to the app store. Could anyone tell me what linux tools I would need to accomplish this?

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  • how to insert based on the date

    - by Gaolai Peng
    I have a table table1 (account, last_contact_date, insert_date), account and last_contact_date are primary keys. The insert_date is set with the time the recored being added by calling getdate(). I also have a temporary table #temp(account, last_contact_date) which I use to update the table1. Here are sample data: table1 account last_contact_date insert_date 1 2012-09-01 2012-09-28 2 2012-09-01 2012-09-28 3 2012-09-01 2012-09-28 #temp account last_contact_date 1 2012-09-27 2 2012-09-27 3 2012-08-01 The result table depends on the inserting date. If the date is 2012-09-28, the result will be table1 account last_contact_date insert_date 1 2012-09-27 2012-09-28 2 2012-09-27 2012-09-28 3 2012-09-01 2012-09-28 If the date is 2012-09-29, the result will be table1 account last_contact_date insert_date 1 2012-09-01 2012-09-28 2 2012-09-01 2012-09-28 3 2012-09-01 2012-09-28 1 2012-09-27 2012-09-29 2 2012-09-27 2012-09-29 Basically the rule is (1) if the inserting date is the same day, i will pick the lastest last_contact_date, otherwise, (2) if the last_contact_date is later than the current last_contact_date, I will insert a new one. How do I write a query for this insert?

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  • Dreamweaver regular expression substitution followed by number

    - by mark
    Hi. I'm using Dreamweaver to update copyright dates across my site. I want to preserve the existing spacing (or lack thereof) between years. Examples: © 2002-2008 should update to © 2002-2009 © 2003 - 2008 should update to © 2003 - 2009 This is the regular expression I'm using to accomplish this in Dreamweaver's find & replace function Find: ©\s*(\d{4}\s*-\s*)\d{3}[^9] Replace: © $1 2009 Here's the PROBLEM: This expression works, but has that that extra space between the hyphen and 2009. If I write the replace expression without the space, as © $12009 then dreamweaver looks for the 12,009th substitution in the find expression, and, not finding one, prints $12009. Any ideas?

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  • How could I do something like this in a XML schema?

    - by chobo2
    Hi I want to mass create some users and I want to set the users timezone automatically. However I am using timezones generated by this Dictionary<string, TimeZoneInfo> storeZoneName = TimeZoneInfo.GetSystemTimeZones().ToDictionary(z => z.DisplayName); So I need the names to be exactly like the ones this list returns. So can I put like a constraint on that xml node that the name has to exactly match one of the names. So I am guessing I will need to write this list somewhere in the file and that's what I am not sure if you can do something like that in a schema.

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  • How to set javascript data in asp session variable?

    - by fazilmir
    i am having a div and i am adding innerHtml in it using javascript. now what i want is that i have to set that innerHtml data in my session variable. and want to use that session variable in my another asp webform page. but i dont know how to perform this task. any help will be highly appreciated. i am doing it like this. //cartDetailsDiv is a div in which i am adding innerHtml through javascript. //now i am getting that innerHTML in my session variable like this Session["_cartDetails"] = cartDetailsDiv.InnerHtml.ToString(); Response.Write(Session["_cartDetails"].ToString()); but i am getting nothing in my session variable. please help me out.

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  • Data table to Excel conversion leaves my server side button non responsive

    - by Nikhil Vaghela
    We have a web part on which we display some data in a grid. We are exporting grid's underlying datatable to Excel and displaying Open - Save - Cancel dialouge box on click of a server side button. Following is the code we are executing on click of server side button. this.Page.Response.Clear(); this.Page.Response.AppendHeader("Content-Disposition", "attachment; filename=MyTasks.xls"); this.Page.Response.ContentType = "application/ms-excel"; this.Page.Response.Write("...here goes my well formated html...."); this.Page.Response.End(); Problem is that when i click on Cancel in the diaglouge box then dialogue box to Open/Save excel disappears but all the server side buttons placed on my web part becomes non responsive, on click of any of those buttons their server side click event does not get fired !!! Any idea ? Thanks.

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  • Browser Not Reading Entire XML File

    - by Chris
    I have an XML file that is written by a PHP script. The data for the XML file is gathered from several different RSS feeds. The PHP script is invoked every 5 minutes by a Cron Job. The PHP Script takes maybe 5-10 seconds to write the XML File. Here's the problem: After the XML file is written, I can open it through DreamWeaver and read everything just fine - but when I enter the XML File's URL into my Web Browser (IE or Firefox), I get a "XML Parsing Error: not well-formed" Error in the Browser. When I do View Source in the Browser, the XML file appears incomplete - but when I open the file directly off the server, it is complete. Anyone know what's going on here?

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  • ASP.NET impersonations?

    - by asaf
    Hi! I have a aspx file that suppose to write to a file in the server while loading. On the local machine it works fine, but when i deploy it to a live server it gives me an exception "Access to the path 'd:\DZHosts\LocalUser\asafz83\www.asafz83.somee.com\lala.htm' is denied." WHen i asked my serverAdmin for the reason - he told me to remove any impersonation from my web.config file. Well, my web.config file doesn't contain any impersonation, so i'm really confused: What can i do in order for this sealy-stupid application to work? thanks!

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  • Convert VB6 Randomize to C#

    - by Thomas G. Mayfield
    I'm writing a C# frontend to a legacy database that uses VB6 Rnd() and Randomize() methods for user password encryption. The encryption function is very simplistic and really not all that secure, but it's what all current passwords are stored with. What I'd like to be able to do is authenticate legacy users from a C# application. I can write new encryption (or preferably hashing) code for VB6 so that all future users have a more secure password, and that can be duplicated in C#. But I don't want to require current users to have had their password reset before they can use the new frontend. Is there any way I can reimplement that algorithm in C# so that it produces identical results to the legacy VB6 code?

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  • just-in-time list

    - by intuited
    I'd like to know if there is a class available, either in the standard library or in pypi, that fits this description. The constructor would take an iterator. It would implement the container protocol (ie _getitem_, _len_, etc), so that slices, length, etc., would work. In doing so, it would iterate and retain just enough values from its constructor argument to provide whatever information was requested. So if jitlist[6] was requested, it would call self.source.next() 7 times, save those elements in its list, and return the last one. This would allow downstream code to use it as a list, but avoid unnecessarily instantiating a list for cases where list functionality was not needed, and avoid allocating memory for the entire list if only a few members ended up being requested. It seems like a pretty easy one to write, but it also seems useful enough that it's likely that someone would have already made it available in a module.

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