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  • Unity 2D Instantiating a prefab with it's components

    - by TazmanNZL
    I have some block prefabs that I add to an array of game objects: public GameObject[]blocks; Each prefab has a BoxCollider2D, Script & Rigidbody2D components. But when I try to instantiate the prefab in the scene it doesn't appear to have the components attached? Here is how I am instantiating the prefab: for (int i = 0; i < 4; i++) { for (int j = 0; j < gridWidth; j++) { blockClone = Instantiate (blocks [Random.Range (0, blocks.Length)] as GameObject, new Vector3 (j, -i-2, 0f), transform.rotation) as GameObject; } } What am I doing wrong?

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  • Javascript Autocomplete Text

    - by WPS
    Hi All, I need to implement an autocomplete text field using JavaScript and JSF. When the user types some character in a text field, I need to make an AJAX request and get the values based on the values entered. I've an input text field, on "keyup" I'm triggering a function which submits the value to the server side. var timeoutid = 0; function intitiateTypeAhead(){ clearTimeout(timeoutid); if (document.getElementById("inputText").value.length >= 2) { timeoutid = setTimeout('clickButton', 500); } return false; } function clickButton(){ //submits the value to the server } <h:inputText id="inputText" onkeyup="intitiateTypeAhead()"></h:inputText> This works properly, but certain times the request is made for each character entered by the user. I'm not sure if there is anything wrong with the implementation. Can someone please help me to fix this?

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  • is there a way to use cin.getline() without having to define a char array size before hand?

    - by zebraman
    Basically my task is having to sort a bunch of strings of variable length ignoring case. I understand there is a function strcasecmp() that compares cstrings, but doesn't work on strings. Right now I'm using getline() for strings so I can just read in the strings one line at a time. I add these to a vector of strings, then convert to cstrings for each call of strcasecmp(). Instead of having to convert each string to a cstring before comparing with strcasecmp(), I was wondering if there was a way I could use cin.getline() for cstrings without having a predefined char array size. Or, would the best solution be to just read in string, convert to cstring, store in vector, then sort?

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  • save state of external running program

    - by SuitUp
    Hi, my goal is to save state of running process and later start from this point. This is not necessary need to be state from this exact moment, let's say save after 5 seconds is good too. Problem is, i can't alter in code of this external program, i am even don't aware of it's architecture. I have resources to save whole program to disk from memory, but i need some tips, where to start. I can't use any VM like Virtual Box to save state of whole operating system, and program can be written in c++ or c or c#...

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  • How to read a XML format file to memory in C#?

    - by Nano HE
    // .net 2.0 and vs2005 used. I find some code below. I am not sure I can extended the sample code or not? thank you. if (radioButton.Checked) { MemoryStream ms=new MemoryStream(); byte[] data=ASCIIEncoding.ASCII.GetBytes(textBox1.Text); ms.Write(data,0,data.Length); reader = new XmlTextReader(ms); //some procesing code ms.Close(); reader.Close(); } BTW, Could you please help me to do some dissection about the line below. byte[] data=ASCIIEncoding.ASCII.GetBytes(textBox1.Text);

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  • looping through new div as they are created

    - by eknown
    I have a div, let's call it class="phoneNo". Inside the div there are two links, one to add another div just like it, and another to delete the div itself. I'm trying to create a loop where if there's only 1 of these divs, the "delete" link should hide, and if there are more than 1 of these divs, the "delete" link should show up on all the divs. So far I came up with this, but no success: var pCount = $(".phoneNo").length; $(pCount).each(function(){ if (pCount <= 1) { $("a.deleteThis").hide(); } else if (pCount >= 1) { $("a.deleteThis").show(); } return true; });

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  • How do i find dynamic average for not the 20 input boxes

    - by alpho07
    How do i find dynamic average for not the 20 input boxes with ".num" class but even just five out of 20. I have done it as below but it won't work $.fn.sumValues = function() { var sum = 0; this.each(function() { if ( $(this).is(':input') ) { var val = $(this).val(); } else { var val = $(this).text(); } sum += parseFloat( ('0' + val).replace(/[^0-9-\.]/g, ''), 10 ); }); return sum.toFixed(2); }; $(document).ready(function() { $('input.price').bind('keyup', function() { $('span.total').html( $('input.price').sumValues()/$('.num').length ); }); });

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  • NSMutableRequest skd problem

    - by user2164
    Hi, I am trying to make a web call with the iPhone. I have done this before and it works fine but now I can't make it work. I am trying to use the following method call which the documentation says is availble in 2.0 and later: - (void)addValue:(NSString *)value forHTTPHeaderField:(NSString *)field; I am attempting to build for version 3.2 and 4.0. NSMutableURLRequest *request = [NSURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:30]; [request addValue:@"0" forHTTPHeaderField:@"Content-Length"]; The error that I'm getting is a runtime error that says "-[NSURLRequest addValue:forHTTPHeaderField:]: unrecognized selector sent to instance 0x600e0c0" Can anyone tell me what I am missing that stops this code from working? Thanks.

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  • Is it possible to use an incremental value within a variable name whilst declaring it within a loop?

    - by Jack
    Hi, I'm creating function which will read different XML files each time that will contain different amounts of the same nodes. I have already created a loop which stores the ID of each node into an array, and now I want to create variables for each array member which store attributes of the node with each ID. Because the number of nodes will be different for every XML document my function reads, I cannot manually assign variables for the attributes of each node ID not knowing how many to assign, so I have created a loop which runs specific to the number of items I have stored in the array. Inside this loop I was hoping to have something like: for (i=0; i<array.length; i++) { var ID + i + width = exampleheight var ID + i + height = exampleheight } I know this doesn't work, but was trying to outline what I am looking to find out. Is it possible to use some kind of variable or random number when declaring a variable?

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  • jQuery slideDown() not animating (jquery-rails 3.0.4; jquery-ui-rails (4.0.5)

    - by Michael Guren
    I am following along in the latest Agile Web Development with Rails 4 book. In Chapter 11 (AJAX), the book instructs us to use the following code in the "create.js.erb" file: if ($('#cart tr').length == 1) { $('#cart').show('blind', 1000); } This code causes the #cart div to jump down without any content. After 1 second it appears. There is no sliding effect. I tried using slideDown(); as well, but the div just appears immediately. Out of curiosity, I tried slideUp(); when the div was visible. Voila. The div slid up. This appears to be a jQuery bug and wondered if anyone else has experienced this, or has any suggestions for me. Thanks.

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  • add different characters to a NSString one by one??

    - by hemant
    i am retrieving different characters from a string by using thsi function and adding 5 to them to display the corresponding character for eg. 'a' displays 'f' and 'h' displays 'm'.. but the problem is that i am not able to add these characters into a string which i can use to display to display like 'fm'...can anyone help?? heres the code strResult(mutablestring) is getting null only. `str=@"John"; int a=[str length]; for(i=0;i char ch=[str characterAtIndex:i]; ch=ch+5; temp=[NSString stringWithFormat:@"%c",ch]; [strResult appendString:temp]; NSLog(@"%c",ch); }`

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  • Taking out a subpart from Enumerable

    - by sawa
    I often want to take out a subpart from an Enumerable. The subpart is sometimes at the beginning and sometimes the end of the original Enumerable instance, and the length used to specify the subpart is sometimes that of the subpart and sometimes its complement. That gives four possibilities, but I only know how to do three of them. Is there a way to do the fourth one? Getting the first n elements: [1, 2, 3, 4, 5].first(3) #= [1, 2, 3] or [1, 2, 3, 4, 5].take(3) #= [1, 2, 3] Dropping the first n elements: [1, 2, 3, 4, 5].drop(3) #= [4, 5] Getting the last n elements: [1, 2, 3, 4, 5].last(3) #= [3, 4, 5] Dropping the last n elements: [1, 2, 3, 4, 5].some_method(3) #= [1, 2]

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  • How to send HTML as GET-Request parameter?

    - by Mork0075
    I would like to send a html string with a GET request like this with Apaches HttpClient: http://sample.com/?html=<html><head>... This doesnt work at the moment, i think its an encoding problem. Do you have any ideas how to do that? method.setQueryString(new NameValuePair[] {new NameValuePair("report", "<html>....")}); client.executeMethod(method) This fails with org.apache.commons.httpclient.NoHttpResponseException: The server localhost failed to respond. If i replace "<html>" by "test.." it works fine. EDIT It seams to be a problem of URL length after encoding, the server doesnt except such long URls. Sending it as POST solves the problem.

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  • Jquery help needed- infinite loop?

    - by ilkin
    Hi all, i have a problem with this code: var par = []; $('a[name]').each(function() { if (($(this).attr('name')).indexOf("searchword") == -1) { par.push($(this).attr('name')); $('.content').empty(); for (var i = 0; i < par.length; i++) { $(".content").append('<a id="par" href="#' + par[i] + '">' + par[i] + '</a><br />'); } } }); It causes ie and firefox to popup the warning window "Stop running this script". But it happens only when there is a very very large amount of data on page. Any ideas how to fix it?

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  • How to redirect a live data stream adding to it another header and returning it on demand? (PHP)

    - by Ole Jak
    I have a url like http://localhost:8020/stream.flv On request to my php sctipt I want to return (be something like a proxy) all data I can get from that URL (so I mean my php code should get data from that url and give it to user) and my header and my beginning of file. So I have my header and some data I want to write in the beginning of response like # content headers header("Content-Type: video/x-flv"); header("Content-Disposition: attachment; filename=\"" . $fileName . "\""); header("Content-Length: " . $fileSize); # FLV file format header if($seekPos != 0) { print('FLV'); print(pack('C', 1)); print(pack('C', 1)); print(pack('N', 9)); print(pack('N', 9)); } How to do such thing?

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  • Python 3 order of testing undetermined

    - by user578598
    string='a' p=0 while (p <len(string)) & (string[p]!='c') : p +=1 print ('the end but the process already died ') while (p <1) & (string[p]!='c') : IndexError: string index out of range I want to test a condition up to the end of a string (example string length=1) why are both parts of the and executed is the condition is already false! as long as p < len(string). the second part does not even need executing. if it does a lot of performance can be lost

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  • Trying to send text message using sp_send_dbmail truncates url in body

    - by Dabas
    I'm using send_dbmail to send a text message to customers. This is the following sql: exec msdb.dbo.sp_send_dbmail @recipients='[email protected]', @body='check out this url https://www.someurl.com/directory/blah.aspx', @subject='I am the subject!' The body gets truncated to "check out this url https://www.someurl.com/directory/blah.as" (the "px" is removed from the end of the url). I've ruled out message length as I have tried sending just "www.google.com/test.aspx" and the "px" is removed as well. Another strange thing, when I try forwarding the text message to myself and add the "px" back on myself, it works. It also works if I send a email from outlook with the same body. Any ideas? Thanks.

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  • Perl: getting handle for stdin to be used in cgi-bin script

    - by Daniel
    Using perl 5.8.8 on windows server I am writing a perl cgi script using Archive::Zip with to create on fly a zip that must be download by users: no issues on that side. The zip is managed in memory, no physical file is written to disk using temporary files or whatever. I am wondering how to allow zip downloading writing the stream to the browser. What I have done is something like: binmode (STDOUT); $zip->writeToFileHandle(*STDOUT, 0); but i feel insecure about this way to get the STDOUT as file handle. Is it correct and robust? There is a better way? Many thanks for your advices

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  • How to add an existing folder to a Visual Studio project?

    - by Earlz
    I have a web application project made in Visual Studio 2008. Well, I added a jquery folder and added it to source control and other such things. I forgot to add it to the visual studio project though. How do I add the existing folder now? I've tried just creating a new folder and naming it jquery but it gave me a cryptic error "the directory is already on the disk ... if you want to see this directory then check the Show All Files option in the project file" Yet I looked and saw no such option. Is the only way around this to rename jquery to jquery2 and then create a new folder via visual studio named jquery and copy all my files into it?

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  • How do i change the address of a New struct in a loop?!

    - by Yasin
    Hi guys, i'm writing a simple code which is about polynomials using link lists in C#. the problem i have is that whenever it creates a new struct (node) in the for loop it gives it the same address as the previous node was given. so how do i fix it ? here is my struct : struct poly { public int coef; public int pow; public poly* link;} ; and here is the where the problem occurs: for (; i < this.textBox1.Text.Length; i++) { q = new poly(); ...... p->link = &q; } &q remains unchanged !

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  • c: memory allocation (what's going on)

    - by facha
    Hi, everyone Please take a look at this piece of code. I'm allocating one byte for the first variable and another byte for the second one. However, it seems like the compiler allocates more (or I'm missing something). The program outputs both strings, even though their length is more the one byte. void main() { char* some1 = malloc(1); sprintf(some1,"cool"); char* some2 = malloc(1); sprintf(some2,"face"); printf("%s ",some1); printf("%s\n",some2); } Please, could anyone spot some light on what's going on when memory is being allocated.

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  • error while converting the byte arry to image ,after modifying the byte array and the byte array is

    - by geehta
    Hi, this is my code. Here i hv formed the byte array of img, i am trying to add some vlue to this byte array say 10 and i'll take care that the value is not exceeding 255. later if i try to redraw the image via the following code i am getting error at this line... what can be the problem.. without modification if i try to draw the image it is coming but if i cahnge some value it is not drawing.. public Image btoi(byte[] bt) { ms = new MemoryStream(bt, 0, bt.Length); img = Image.FromStream (ms, true); // error at this line ms.Close(); return img; }

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  • .NET Format a string with fixed spaces

    - by treant
    Does the .NET String.Format method allow placement of a string at a fixed position within a fixed length string. " String Goes Here" " String Goes Here " "String Goes Here " How is this done using .NET? Edit - I have tried Format/PadLeft/PadRight to death. They do not work. I don't know why. I ended up writing my own function to do this. Edit - I made a mistake and used a colon instead of a comma in the format specifier. Should be "{0,20}". Thanks for all of the excellent and correct answers.

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  • How can I *prevent* Apache2 from setting the Content-Type header?

    - by Norm
    I have a CGI script that prints the following on stdout: print "Status: 302 Redirect\n"; print "Server: Apache-Coyote/1.1\n"; print "Location: $redirect\n"; print "Content-Length: 0\n"; print "Date: $date\n\n"; Where $redirect and $date are reasonable values. What Apache2 actually sends also includes a Content-Type: header (text/plain). I've commented out the DefaultType in the server configuration file. I'm trying to debug a downstream problem that arises when no Content-Type: header is sent. So what magic incantation do I have to perform to prevent Apache2 from adding the content type header?

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  • Best choice for off-site backup: dd vs tar

    - by plok
    I have two 1TB single-partition hard disks configured as RAID1, of which I would like to make an off-site backup on a third disk, which I am still to buy. The idea is to store the backup at a relative's house, considerably far away from my place, in the hope that all the information will be safe in the case of a global thermonuclear apocalypse. Of course, this backup would be well encrypted. What I still have to decide is whether I am going to simply tar the entire partition or, instead, use dd to create an image of the disks. Is there any non-trivial difference between these two approaches that I could be overlooking? This off-site backup would be updated no more than two or three times a year, in the best of the cases, so performance should not be a factor to be pondered at all. What, and why, would you use if you were me? dd, tar, or a third option?

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