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  • What programming shortcuts do you end up regretting or backing out?

    - by bryanjonker
    I saw this question and it reminded me of AutoGenerateColumns in the old DataGrid. The few times I've used them, I ended up backing it out because I needed data formatting past the standard "spit out the Data Source columns." Likewise, with toggle, it sounds like it would save time, but then you end up needing to keep track of state or something else, and you rewrite the code accordingly. Are there things that you end up using thinking it will save you time, but end up backing out because it doesn't do what you need?

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  • Call (show) a modal popup located in MasterPage from it's childs

    - by Vitor Reis
    I'm trying to make a default modal box that must be accessible from any part of the application, and need to be called whenever I want from inside any page. (must be called from code-behind). So I came up with the idea of a Panel + modalPopupExtender placed in the MasterPage, and calling it from child pages via code-behind. How can I do that? Or perhaps you guys have a better idea to solve this.

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  • javascript, add music to your web page

    - by shouq
    hey.. i'm working on my html and javascript project and i wanted to add music for the website.. i was wondering is there anyway i can put more than one song in the code to be played, if there is please write the code and is there anyway that the song will continue when openning the next page?? please help thanks alot

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  • [jQuery] JS inside the template

    - by Martin Trigaux
    Hello, I'm trying to include some javascript code inside a template. The code of my html page : <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <script type="text/javascript" src="jquery-1.4.2.min.js"></script> <script type="text/javascript" src="jquery-jtemplates.js"></script> </head> <body> <div id="infos"></div> <div id="my_template"></div> <script type="text/javascript"> $(document).ready(function() { $('#my_template').setTemplateURL("my_template.html"); try { $('#my_template').processTemplate({'var' : 1}); } catch (e) { $('#infos').html('error : '+e); } $('#my_button').click(function(){ alert('it works outside'); }); }); </script> </body> </html> and the template content of the template<br/> {#if $T.var == 1} <script type="text/javascript"> $(document).ready(function() { $('#my_button').click(function(){ alert('it works inside'); }); }); </script> <input type='submit' id='my_button' value='click me' onclick='alert("direct");'/> {#else} not working {#/if} produce me an error inside the infos balise error : SyntaxError: missing } after function body if I just put alert('it works inside'); inside the script balise (remove all the jquery related code), the page load, the two message "direct" and "it works outside" are showed but not "it works inside" message. It's suppose to works as said on the doc page Allow to use JavaScript code in templates Thank you

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  • Defined variables and arrays vs functions in php

    - by Frank Presencia Fandos
    Introduction I have some sort of values that I might want to access several times each page is loaded. I can take two different approaches for accessing them but I'm not sure which one is 'better'. Three already implemented examples are several options for the Language, URI and displaying text that I describe here: Language Right now it is configured in this way: lang() is a function that returns different values depending on the argument. Example: lang("full") returns the current language, "English", while lang() returns the abbreviation of the current language, "en". There are many more options, like lang("select"), lang("selectact"), etc that return different things. The code is too long and irrelevant for the case so if anyone wants it just ask for it. Url The $Url array also returns different values depending on the request. The whole array is fully defined in the beginning of the page and used to get shorter but accurate links of the current page. Example: $Url['full'] would return "http://mypage.org/path/to/file.php?page=1" and $Url['file'] would return "file.php". It's useful for action="" within the forms and many other things. There are more values for $Url['folder'], $Url['file'], etc. Same thing about the code, if wanted, just request it. Text [You can skip this section] There's another array called $Text that is defined in the same way than $Url. The whole array is defined at the beginning, making a mysql call and defining all $Text[$i] for current page with a while loop. I'm not sure if this is more efficient than multiple calls for a single mysql cell. Example: $Text['54'] returns "This is just a test array!" which this could perfectly be implemented with a function like text(54). Question With the 3 examples you can see that I use different methods to do almost the same function (no pun intended), but I'm not sure which one should become the standard one for my code. I could create a function called url() and other called text() to output what I want. I think that working with functions in those cases is better, but I'm not sure why. So I'd really appreciate your opinions and advice. Should I mix arrays and functions in the way I described or should I just use funcions? Please, base your answer in this: The source needs to be readable and reusable by other developers Resource consumption (processing, time and memory). The shorter the code the better. The more you explain the reasons the better. Thank you PS, now I know the differences between $Url and $Uri.

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  • How to replace an object in an NSMutableArray at a given index with a new object

    - by shakeelw
    Hi guys. I have an NSMutableArray object(retained, synthesized as all) that is initiated just fine and I can easily add objects to it using the 'addObject:' method. But if I want to replace an object at a certain index with a new one in that NSMutableArray, it doesn't work. For example: ClassA.h @interface ClassA : NSObject { NSMutableArray *list; } @property (nonatomic, copy, readwrite) NSMutableArray *list; end ClassA.m import "ClassA.h" @implementation ClassA @synthesize list; (id)init { [super init]; NSMutableArray *localList = [[NSMutableArray alloc] init]; self.list = localList; [localList release]; //Add initial data [list addObject:@"Hello "]; [list addObject:@"World"]; } // Custom set accessor to ensure the new list is mutable (void)setList:(NSMutableArray *)newList { if (list != newList) { [list release]; list = [newList mutableCopy]; } } -(void)updateTitle:(NSString *)newTitle:(NSString *)theIndex { int i = [theIndex intValue]-1; [self.list replaceObjectAtIndex:i withObject:newTitle]; NSLog((NSString *)[self.list objectAtIndex:i]); // gives the correct output } However, the change remains true only inside the method. from any other method, the NSLog((NSString *)[self.list objectAtIndex:i]); gives the same old value. How can I actually get the old object replaced with the new one at a specific index so that the change can be noticed from within any other method as well. I even modified the method like this, but the result is the same: -(void)updateTitle:(NSString *)newTitle:(NSString *)theIndex { int i = [theIndex intValue]-1; NSMutableArray *localList = [[NSMutableArray alloc] init]; localList = [localList mutableCopy]; for(int j = 0; j < [list count]; j++) { if(j == i) { [localList addObject:newTitle]; NSLog(@"j == 1"); NSLog([NSString stringWithFormat:@"%d", j]); } else { [localList addObject:(NSString *)[self.list objectAtIndex:j]]; } } [self.list release]; //self.list = [localList mutableCopy]; [self setList:localList]; [localList release]; } Please help out guys :)

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  • What would be a better way of doing the following

    - by thecoshman
    if(get_magic_quotes_gpc()) { $location_name = trim(mysql_real_escape_string(trim(stripslashes($_GET['location_name'])))); } else { $location_name = trim(mysql_real_escape_string(trim($_GET['location_name']))); } That's the code I have so far. seems to me this code is fundamentally ... OK. Do you think I can safely remove the inner trim(). Please try not a spam me with endless version of this, I want to try to learn how to do this better.

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  • How to tell if a DLL function is being called from a VB6 exe?

    - by aiGuru
    I have an old VB6 app and I'm not sure which code was used to compile it. One revision of the source makes a call to Sleep in kernel32.dll. Is there a way to find out if the exe calls a specific function in a DLL? I can see that kernel32.dll is linked by using the "Dependency Walker" tool but that doesn't seem to tell me that a specific function is called from the exe.

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  • Program not connecting to new database

    - by Manoj
    Hi, I moved a VS Solution file from an old PC to a new PC. When I opened the solution in VS2010, I found that the database connections in database explorer was not present. Now I want the project to connect to a SQL Server database which is local to the new PC. I have moved the database files (.ldf and .mdf) to the new location and created new connection in Database explorer. But the program seems to be not fetching any data when I run it. What are the other changes I need to do?

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  • Android: SQLite content accessing error

    - by vnshetty
    I've following code, it gives run time error as below... why? try{ String myPath = DB_PATH + DB_NAME; mDB = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READONLY); }catch(SQLiteException e){} Runtime Error: :sqlite returned: error code = 1, msg = no such table: android_metadata :SELECT locale FROM android_metadata failed :Failed to setLocale() when constructing, closing the database :android.database.sqlite.SQLiteException: no such table: android_metadata

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  • Working with the IE cache from C# & WPF

    - by Eric
    I'm writing a program in C# using the WPF framework. I need to display images, and I'd like to cache them to avoid downloading them constantly. I can code my own cache, however, IE already has a caching system. I can find code to read entries out of the IE cache, however I've found nothing dealing with the issue of adding items to the cache. Is there a good way to do it, or should I just implement a separate cache?

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  • What are good RPC frameworks between a Java server and C++ clients?

    - by Zwei Steinen
    Hi, I am looking for a RPC stack that can be used between a Java Server and C++ clients. My requirements are: Ease of integration (for both C++ and Java) Performance, especially number of concurrent connections and response time. Payload are mostly binaries (8-100kb) I found some like: http://code.google.com/p/protobuf-socket-rpc/ http://code.google.com/p/netty-protobuf-rpc/ Are there any other good alternatives?

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  • Array increment operator

    - by Stardust
    Could any one please tell me the meaning of "++" with array in the following code in Java: int [ ] arr = new int[ 4 ]; for(int i = 0; i < arr.length; i++){ arr[ i ] = i + 1; System.out.println(arr[ i ]++); } what is arr[ i ]++ meaning in above code, and why we can't do like: arr[ i ]++ = i + 1;

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  • How can I forcibly close a TcpListener

    - by Nissim
    I have a service which communicates through tcpListener. Problem is when the user restarts the service - an "Address already in use" exception is thrown, and the service cannot be started for a couple of minutes or so. Is there's any way of telling the system to terminate the old connection so I can open a new one? (I can't just use random ports because there is no way for the service to notify the clients what is the port, so we must depend on a predefined port)

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  • Jquery Animate + Fade Effect bug

    - by Den
    Hello, before posting I want to tell you "Sorry for my English". I've got a problem with JQuery. http://socialworld.den-style.net/ if you click "Nascondi" under the Logo you will see that the #post go to the right and then "comes back" to its old position. How do I can fix this error? Thanks a lot.

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  • How to play .wav files with java

    - by HellRider
    Hi , I am trying to play a .wav file with java. I need it when a button is pressed to play a short beep sound. I have google it but most of the code wasn't working. Can someone give me a simple code to play a .wav file.

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  • Where is the action listener registered?

    - by Summer_More_More_Tea
    Hi there: I come across this problem when referring a piece of javascript code: <a href="javascript:void(0);"><!-- other html elements --></a> It want to register a mouse click event listener on this anchor, but I cannot find which function is registered. What's more, what does the code href="javascript:void(0);" mean? Thanks in advance!

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  • Select fields containing at least one non-space alphanumeric character

    - by zzapper
    (Sorry I know this is an old chestnut; I have found similar answers here but not an exact answer) These are frequent hand written queries from a console so I is what I am looking for is the easiest thing to type SELECT * FROM tbl_loyalty_card WHERE CUSTOMER_ID REGEXP "[0-9A-Z]"; or SELECT * FROM tbl_loyalty_card WHERE LENGTH(CUSTOMER_ID) >0; -- could match spaces Do you have anything quicker to type even if it's QAD?

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