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  • Common type for generic classes of different types

    - by DinGODzilla
    I have (for example) Dictionary of different generic types (d1, d2, d3, d4) and I want to store them in something var d1 = new Dictionary<int, string>(); var d2 = new Dictionary<int, long>(); var d3 = new Dictionary<DateTime, bool>(); var d4 = new Dictionary<string, object>(); var something = ??? //new List<object> {d1, d2, d3, d4}; Is there any other way how to store that in something with common denominator different than object? Thanks :-)

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  • Boost.Log - Multiple processes to one log file?

    - by Kevin
    Reading through the doc for Boost.Log, it explains how to "fan out" into multiple files/sinks pretty well from one application, and how to get multiple threads working together to log to one place, but is there any documentation on how to get multiple processes logging to a single log file? What I imagine is that every process would log to its own "private" log file, but in addition, any messages above a certain severity would also go to a "common" log file. Is this possible with Boost.Log? Is there some configuration of the sinks that makes this easy? I understand that I will likely have the same "timestamp out of order" problem described in the FAQ here, but that's OK, as long as the timestamps are correct I can work with that. This is all on one machine, so no remote filesystem problems either.

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  • Scheme - What is wrong with my attempt to extend this declaration?

    - by CppLearner
    This is a homework question. Question My attempt (the whole file): http://pastebin.com/vt3Q3dqs If you search let var = exp1 in body, that's the function I need to extend according to the question. When I test the sample code above, I get an error apply-env: No binding for y (eval "let x = 30 in let x = -(x,1) y = -(x,2) in -(x,y)") ; The following is execution log The-next-two-lines-shows-var-and-exp1 (x) (#(struct:const-exp 30)) diff-exp #(struct:var-exp x) #(struct:const-exp 1) diff-exp #(struct:var-exp x) #(struct:const-exp 2) The-next-two-lines-shows-var-and-exp1 (x y) (#(struct:diff-exp #(struct:var-exp x) #(struct:const-exp 1)) #(struct:diff-exp #(struct:var-exp x) #(struct:const-exp 2))) diff-exp #(struct:var-exp x) #(struct:var-exp y) As you can see, when the interperter reads the last line -(x,y) it complains because there is no binding. What did I do wrong? I know this is really long language, but if anyone can kindly lead me to the right direction would be really really nice. Thank you!

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  • replace \n and \r\n with <br /> in java

    - by Bala R
    This has been asked several times for several languages but I can't get it to work. I have a string like this String str = "This is a string.\nThis is a long string."; And I'm trying to replace the \n with <br /> using str = str.replaceAll("(\r\n|\n)", "<br />"); but the \n is not getting replaced. I tried to use this RegEx Tool to verify and I see the same result. The input string does not have a match for "(\r\n|\n)". What am i doing wrong ?

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  • How do I get broadcast to work with djcelery+ghettoq

    - by user560833
    I am using djcelery 2.1.4 with ghettoq 0.4.5 and django 1.2.3 and I am able to run tasks all day long, but when I try to use any broadcast functionality it fails without errors. Take the simplest case -- I run celeryd: python manage.py celeryd The daemon starts and I try to run a ping: >>> from celery.task.control import ping >>> ping() [] I can see the message that ping created appear in the database, but apparently none of the nodes are picking it up? Am I doing something wrong here? Does broadcast not work with carrot?

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  • How to find the remainder of large number division in C++?

    - by Beelzeboul
    Hello, I have a question regarding modulus in C++. What I was trying to do was divide a very large number, lets say for example, M % 2, where M = 54,302,495,302,423. However, when I go to compile it says that the number is to 'long' for int. Then when I switch it to a double it repeats the same error message. Is there a way I can do this in which I will get the remainder of this very large number or possibly an even larger number? Thanks for your help, much appreciated.

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  • Low-overhead way to access the memory space of a traced process?

    - by vovick
    Hello all. I'm looking for an efficient way to access(for both read and write operations) the memory space of my ptraced child process. The size of blocks being accessed may vary from several bytes up to several megabytes in size, so using the ptrace call with PTRACE_PEEKDATA and PTRACE_POKEDATA which read only one word at a time and switch context every time they're called seems like a pointless waste of resources. The only one alternative solution I could find, though, was the /proc/<pid>/mem file, but it has long since been made read only. Is there any other (relatively simple) way to do that job? The ideal solution would be to somehow share the address space of my child process with its parent and then use the simple memcpy call to copy data I need in both directions, but I have no clues how to do it and where to begin. Any ideas?

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  • To find busstop with timetable data and more near me(current postion)

    - by Sabby
    I am developing an application which helps the user to find the bus stops near him through his current latitude and longitude. This will also give the time table of the bus, route direction, bus name etc. I searched over the google but didn't get success. I tried the trimet api, but that was also not much helpful as it only works for Portland area and the pin is always dropped on the map on Portland. Please help me! Is there any api to do this? This app is for our client. User will input the route id, loc id or what and will get all the detail of near by bus stops and their lat,long.

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  • Change div order in CSS or javascript

    - by Sam Holder
    say I have layout like so: <div id="main"> <div id="NormalContent"> {some content which is a fixed length list} </div> <div id="FeaturedContent"> {some content which may contain a long list} </div> </div> and I want to place FeaturedContent above NormalContent. Can I do this with CSS? I assume I can with Javascript?

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  • structure in .NET

    - by redpaladin
    My problem is very simple.. My problem is to send a structure beetween a program in C to a C# program.. I made a struct in C#: public struct NetPoint { public float lat; // 4 bytes public float lon; // 4 bytes public int alt; // 4 bytes public long time; // 8 bytes } Total size of the struct must be 20 bytes When i do a sizeof() of this struct System.Diagnostics.Debug.WriteLine("SizeOf(NetPoint)=" + System.Runtime.InteropServices.Marshal.SizeOf(new NetPoint())); The debug console show : SizeOf(NetPoint)=24 But i expected to have 20 bytes ? Why do I have a difference ? Thank you in advance

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  • @ symbol for strings in jQuery

    - by anilca
    if (confirm('<%=Ns1.Ns2.MyClass.GetResourceText("DeleteConfirmationMessage")%>')) { /* something to do...*/ } I have a jQuery expression as above. But the return value of GetResourceText method is a very long string. So my page renders the function like below: if (confirm(' Are you sure lablabla? If you delete this lablabla... lablabla... ')) { Because of this my jQuery functions do not work. Is there a symbol for jQuery like @ that we use in C#?

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  • Program output to file in Java (and reading it again)

    - by Cohagen
    I have a large main method in an IO class which creates objects from four different classes in my program (which all use one another to some extent). My main method takes all info in using a scanner, from the console window, and uses this info to call the constructors and methods in the other classes. As this is my first full program in Java I have been focussed on making the main method work via the console, without properly considering file input and output. I cannot see an easy way of making that work now. Ideally what I require is some way of writing everything I input to the console while running the main method to a file, in a format that can be read again and inputed back through the main method? I have refrained from posting the main method as it is 250+ lines long, but will post any relevant parts of it if required. Any help appreciated

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  • Splitting values into groups evenly

    - by Paul Knopf
    Let me try to explain the situation the best I can. Lets say I have 3 values 1, 2, 3 I tell an algorithm to split this values into x columns. Lets say x = 2 for clarification. The algorithm determines that the group of values is best put into two columns the following way. 1st column 2nd column --------------------------- 1 3 2 Each column has an even number (totals, not literals) value. Now lets say I have the following values 7, 8, 3, 1, 4 I tell the algorithm that I want the values split into 3 columns. The algorithm now tells me that the following is the best fit. 1st column 2nd column 3rd column 8 7 3 1 4 Notice how the columns arent quiet even, but it is as close as it can get. A little over and a little under is considered ok, as long as the list is AS CLOSE TO EVEN AS IT CAN BE. Anybody got any suggestions? Know any good methods of doing this?

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  • How do I get the value of the item selected in ListView?

    - by user357032
    I thought I could use the position int, but when I click on the item in the list view, nothing happens. Please help! ListView d = (ListView) findViewById(R.id.apo); ArrayAdapter adapt = ArrayAdapter.createFromResource(this, R.array.algebra, android.R.layout.simple_list_item_1); d.setAdapter(adapt); d.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { if (position == '0') { Intent intent = new Intent(Algebra.this, Alqv.class); startActivity(intent); } if (position == '2') { Intent intent1 = new Intent(Algebra.this, qfs.class); startActivity(intent1); } }); }

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  • Becoming better at Vim

    - by Autopulated
    I've been using Vim for quite a long time, but I'm at a level where I use insert mode most of the time, and I still use the arrow keys to move around(!). I feel like I'm not getting the best out of my lovely editor, particularly regarding navigating (especially code), copy & pasting, and doing other manipulations of existing code. (though I am quite comfortable with complicated search/replace patterns). How should I go about learning more? What resources would people recommend?

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  • ontouch - Switching positions of two views(images) in Android

    - by idish
    I've been looking for that 2 days long and haven't found anything related to it. I'll give an example for my goal. Let's say I have 2 images positioned side by side horizontally. I want the user to be able to switch their positions onlongtouch listener. so let's say that the first image was on the left and the second was on the right side, after switching positions between them, the first image would be in the right and the second would be on the left side. Basically, it is just like in the launcher where you can switch apps positions. Please, if anything is not clear for you, I would like to know, and I'll try to explain it better, thank you.

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  • Running Java Server Application 24/7 (NOT on local machine) ...?

    - by Steven
    I am currently experimenting with Java Socket Programming and succeeded in creating a simple application that allows me to send data back and forth between a client and a server. I don't want to power my laptop (on which the server application runs) 24/7. Therefore, of course, no computer (that runs my client application) will be able to communicate with my selfmade server application as long as my laptop is turned off. Now I'd like to know: (1) Is it possible to run the server application on a remote (physical) server, so that I don't need my laptop for that purpose? (2) If yes, do you have any suggestions where I could rent such a remote server? As I said, I'm just curious about how all that stuff works. I don't really something expensive.

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  • Steps to take for figuring out the delay when calling service and loading data with the result?

    - by VoodooChild
    Hello, In a client server app, where client front end is done in silverlight using C# and the services are the WCF services. If I am to hit the service and do a query and bring back a result and I notice that it is taking a relatively long time to load my page which is just loading the grid with the data, what things should I look at fix this issue or how would I fix this issue? What steps could I take to determine the problem? where is the bottle-neck, can anyone know from the little information provided here? Does this have anything to do with serialization? Any insight on what could be causing this delay? My service calls are made async. I hope this question makes sense :) Thanks

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  • Question about custom events

    - by Malfist
    I'm making custom events for C# and sometimes it isn't working. This is how I'm making the event happen: private bool isDoorOpen; public bool IsDoorOpen { get { return isDoorOpen;} private set { isDoorOpen = value; DoorsChangeState(this, null);} } And these are the event declarations: //events public delegate void ChangedEventHandler(Elevator sender, EventArgs e); public event ChangedEventHandler PositionChanged; public event ChangedEventHandler DirectionChanged; public event ChangedEventHandler BreaksChangeState; public event ChangedEventHandler DoorsChangeState; This works as long as there are methods attached to the events, but if there isn't, it throws a null ref exception. What am I doing wrong?

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  • Restricting IFRAME access in PHP

    - by m0j0
    I am creating a small web page using PHP that will be accessed as an IFRAME from a couple of sites. I'm wanting to restrict access to this site to work ONLY within the "approved" sites, and not other sites or accessed directly. Does anyone have any suggestions? Is this even possible? The PHP site will be Apache, and the sites iframing the content will probably be .NET. Just to clarify, any site can view the page, as long as it's iframe'd within an approved site. I want to block people from accessing it directly. I'm thinking cookies might be a solution, but I'm not sure.

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  • Flash Builder 'building' html files...

    - by Frank
    I'm using Flash Builder 3 to edit my Flex app, but I noticed that every time I make a change on the .html files (index.template.html for example), even if it's not in the IDE but with another program, Flash Builder rebuilds the whole project. Is there anyway to stop this? Why would it need to rebuild the workspace everytime a html file changes? If it was too long it wouldn't bother me, but it takes a lot of time (more than 1 minute) every time. For your information the html file is 95 lines of 'code'. Thanks

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  • Can I preload multiple video resources to load in the same HTML5 <video> element?

    - by Sergio1132
    I'm working out details on a web application which involves the sequential loading of a long series of (very short) video clips, one after the other, with occasional input from the user establishing new directions for which video clips to load. I would like to be able to have the browser preload the video clips five at a time. However, the way that we currently have the site working is by means of a single video element which is having its src attribute continually updated through JavaScript. So, my question is, is there a straightforward way I can get the browser to preload multiple video clips even though I am ultimately loading them all (one at a time) into the same video element? This is my first question here, so let me know if I could have phrased that better...

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  • How do I make a DIV stay at the top of the screen no matter ow far down the page my visitor scrolls?

    - by user1289863
    What I'm saying is, I have some extremely long pages on my website, which can make it annoying I've my visitors need to scroll to the top of the page to be able to navigate to another page. I'm not quite sure what I would call this but any Google search that contains the words 'DIV' and 'float' come up with completely unrelated results... What I'm looking to do is create a DIV that stays at the top of the Screen (not to be confused with the page) so that if the user is at the bottom of the page, they can still see the navigation bar just floating at the top of the screen. What I can think of is to position the DIV relative to the position of the screen but I don't know how to code this. I'm happy to use JavaScript (preferably in the form of jQuery), but if you know how to do this using CSS, I would favour your response. This might help: I know a little bit of jQuery and JavaScript and I know a good deal of CSS and HTML. Thanks in advance.

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  • maintain formatting entered into an html form?

    - by NickG77
    Im setting up a web form, and I'm trying to have it where visitors can paste their resumes into a text area. Then I want to email the info using php mail(). But the resume info is just stored in the variable as one long string with no formatting. Is there a way I can send the pasted resume text to the client in the resume format? Maintaining all the line breaks and stuff? He wants to avoid having people upload resumes.

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  • [iphone] use NSString in other method?!

    - by user134282
    It's really embarrassing but i stuck on it for two hours of trial and error. I declared an NSString in the interface as: NSString *testString; Then i made a property and synthesized it. I allocate it in viewDidLoad with: testString = [[NSString alloc] initWithFormat:@"thats my value: %i", row]; If i want to get the value of the string in another method it always return (null). So the string is empty, but why? how do i make it accessible for every function inside of one class? So i don't want to make a global var just a "global variable inside the class" It's really confusing because as long as i code i never ran into this problem :( thanks a lot for helping me!

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