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  • Get uri LocalPath in jquery/JS?

    - by acidzombie24
    simple problem with a simple question. I have a string, in C# i can put it through a uri and access LocalPath How do i get LocalPath in jquery or javascript? ( LocalPath: "/asas") {http://z.com/asas?sadfdsgfg} AbsolutePath: "/asas" AbsoluteUri: "http://z.com/asas?sadfdsgfg" Authority: "z.com" DnsSafeHost: "z.com" Fragment: "" Host: "z.com" HostNameType: Dns IsAbsoluteUri: true IsDefaultPort: true IsFile: false IsLoopback: false IsUnc: false LocalPath: "/asas" OriginalString: "http://z.com/asas?sadfdsgfg" PathAndQuery: "/asas?sadfdsgfg" Port: 80 Query: "?sadfdsgfg" Scheme: "http" Segments: {string[2]} UserEscaped: false UserInfo: ""

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  • VS2010. Dropdownlist Autopostback works in IDE, not when deployed

    - by George
    I have a VS2010 RC ASP.NET web page,when a user changes the drop down selection on an auto postback dropdown, it refreshes a small grid and a few labels in various places on the page. I know wrapping a whole page in a big UpdatePanel control will cause horror from many of you, but that's what I did. I really didn't want a full page refresh and I didn't know how to update a table on the client side using Javascript and I figured it would be a big change. Suggestions for avoiding this are welcomed, but my main desire is to understand teh error I am getting. When I do the auto postbacks in the IDE, everything works fine, but if I deploy the code (IIS 5.5 on XP), the second auto postback works but the seconds one gives me his error. Ajax is one big nasty blackbox to me. Can someone help, please? Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; InfoPath.1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; MS-RTC LM 8; MS-RTC EA 2; OfficeLiveConnector.1.4; OfficeLivePatch.1.3; .NET4.0C; .NET4.0E) Timestamp: Sun, 28 Mar 2010 17:23:23 UTC Message: Sys.WebForms.PageRequestManagerServerErrorException: Object reference not set to an instance of an object. Line: 796 Char: 13 Code: 0 URI: http://localhost/BESI/ScriptResource.axd?d=3HKc1zGdeSk2WM7LpI9tTpMQUN7bCfQaPKi6MHy3P9dace9kFGR5G-jymRLHm0uxZ0SqWlVSWl9vAWK5JiPemjSRfdtUq34Dd5fQ3FoIbiyQ-hcum21C-j06-c0YF7hE0&t=5f011aa5 Message: Sys.WebForms.PageRequestManagerServerErrorException: Object reference not set to an instance of an object. Line: 796 Char: 13 Code: 0 URI: http://localhost/BESI/ScriptResource.axd?d=3HKc1zGdeSk2WM7LpI9tTpMQUN7bCfQaPKi6MHy3P9dace9kFGR5G-jymRLHm0uxZ0SqWlVSWl9vAWK5JiPemjSRfdtUq34Dd5fQ3FoIbiyQ-hcum21C-j06-c0YF7hE0&t=5f011aa5 Message: Sys.WebForms.PageRequestManagerServerErrorException: Object reference not set to an instance of an object. Line: 796 Char: 13 Code: 0 URI: http://localhost/BESI/ScriptResource.axd?d=3HKc1zGdeSk2WM7LpI9tTpMQUN7bCfQaPKi6MHy3P9dace9kFGR5G-jymRLHm0uxZ0SqWlVSWl9vAWK5JiPemjSRfdtUq34Dd5fQ3FoIbiyQ-hcum21C-j06-c0YF7hE0&t=5f011aa5

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  • JavaScriptSerializer with custom Type

    - by balint
    Hi, I have a function with a List return type. I'm using this in a JSON-enabled WebService like: [WebMethod(EnableSession = true)] [ScriptMethod(ResponseFormat = ResponseFormat.Json)] public List<Product> GetProducts(string dummy) /* without a parameter, it will not go through */ { return new x.GetProducts(); } this returns: {"d":[{"__type":"Product","Id":"2316","Name":"Big Something ","Price":"3000","Quantity":"5"}]} I need to use this code in a simple aspx file too, so I created a JavaScriptSerializer: JavaScriptSerializer js = new JavaScriptSerializer(); StringBuilder sb = new StringBuilder(); List<Product> products = base.GetProducts(); js.RegisterConverters(new JavaScriptConverter[] { new ProductConverter() }); js.Serialize(products, sb); string _jsonShopbasket = sb.ToString(); but it returns without a type: [{"Id":"2316","Name":"Big One ","Price":"3000","Quantity":"5"}] Does anyone have any clue how to get the second Serialization work like the first? Thanks!

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  • Cocoa: getting a Table View cell to send action messages

    - by underthetable
    I'm really having trouble getting a Cocoa Table View cell to send action messages. At the most basic level, in IB there is an action assigned for the NSTextViewCell object, and after editing and pressing Return nothing happens. So I have an IBOutlet hooked up to the NSTextViewCell, and have been experimenting with NSActionCell messages to it. But the Table View seems to pretty much just ignore them. I've also tried subclassing NSTextViewCell, but the methods I'm seeing all look like they want to pass values to the object from somewhere, not return a value from inside the object to configure its behavior. I'm pretty new to programming and Cocoa -- can someone explain each thing that needs to be overridden and how and where to do it?

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  • Why did Dylan lose to Objective-C

    - by Adam Gent
    I have played/worked with many different programming languages and Dylan is still one of my favorites. My question is why did Dylan fail when Objective-C, Ruby and even Scheme have had more success? Was Dylans performance that much worse than Objective-C that Apple went with it or was purely for social/political reasons. Hopefully someone from apple will see this question :) BTW if you have no idea what Dylan is please google Dylan Progrmaming Language.

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  • Semi-complex aggregate select statement confusion

    - by Ian Henry
    Alright, this problem is a little complicated, so bear with me. I have a table full of data. One of the table columns is an EntryDate. There can be multiple entries per day. However, I want to select all rows that are the latest entry on their respective days, and I want to select all the columns of said table. One of the columns is a unique identifier column, but it is not the primary key (I have no idea why it's there; this is a pretty old system). For purposes of demonstration, say the table looks like this: create table ExampleTable ( ID int identity(1,1) not null, PersonID int not null, StoreID int not null, Data1 int not null, Data2 int not null, EntryDate datetime not null ) The primary key is on PersonID and StoreID, which logically defines uniqueness. Now, like I said, I want to select all the rows that are the latest entries on that particular day (for each Person-Store combination). This is pretty easy: --Figure 1 select PersonID, StoreID, max(EntryDate) from ExampleTable group by PersonID, StoreID, dbo.dayof(EntryDate) Where dbo.dayof() is a simple function that strips the time component from a datetime. However, doing this loses the rest of the columns! I can't simply include the other columns, because then I'd have to group by them, which would produce the wrong results (especially since ID is unique). I have found a dirty hack that will do what I want, but there must be a better way -- here's my current solution: select cast(null as int) as ID, PersonID, StoreID, cast(null as int) as Data1, cast(null as int) as Data2, max(EntryDate) as EntryDate into #StagingTable from ExampleTable group by PersonID, StoreID, dbo.dayof(EntryDate) update Target set ID = Source.ID, Data1 = Source.Data1, Data2 = Source.Data2, from #StagingTable as Target inner join ExampleTable as Source on Source.PersonID = Target.PersonID and Source.StoreID = Target.StoreID and Source.EntryDate = Target.EntryDate This gets me the correct data in #StagingTable but, well, look at it! Creating a table with null values, then doing an update to get the values back -- surely there's a better way to do this? A single statement that will get me all the values the first time? It is my belief that the correct join on that original select (Figure 1) would do the trick, like a self-join or something... but how do you do that with the group by clause? I cannot find the right syntax to make the query execute. I am pretty new with SQL, so it's likely that I'm missing something obvious. Any suggestions? (Working in T-SQL, if it makes any difference)

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  • codepad.org Perl runner limitations

    - by Lemurik
    Sometimes I see people use http://codepad.org as a way to quickly run/test their Perl snippets (it supports doing that with a wide variety of languages, from C to Scheme to Perl). It's pretty obious that there must be some limitations as to what code/features can be tested with codepad - does anyone know what those limitations are for Perl runner? I'll get the ball rolling on my own observation: not every CPAN module is avialable :(

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  • Send ESC commands to a printer in C#

    - by Ewerton
    My application needs to print invoices, then a get the invoice from database, insert informations os the invoice in a big string (tellling the line, column, etc). after this a have the string ready to be sent to a printer. My problem is: I need to put some ESC/P commands/characters in my big string i try to do something like this: char formFeed = (char)12; Convert.ToChar(12); MyBigString.Insert(10, formFeed); whit this, the line 10 will do a FormFeed, but this not work NOTE: i send the MybigString all at once to printer. to make my code works i need to send the data line by line to a printer ? Thanks for the helps. PS: Sorry my English, i'am a Brazilian developer which dont speak English (yet).

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  • Database design for very large amount of data

    - by Hossein
    Hi, I am working on a project, involving large amount of data from the delicious website.The data available is at files are "Date,UserId,Url,Tags" (for each bookmark). I normalized my database to a 3NF, and because of the nature of the queries that we wanted to use In combination I came down to 6 tables....The design looks fine, however, now a large amount of data is in the database, most of the queries needs to "join" at least 2 tables together to get the answer, sometimes 3 or 4. At first, we didn't have any performance issues, because for testing matters we haven't had added too much data in the database. No that we have a lot of data, simply joining extremely large tables does take a lot of time and for our project which has to be real-time is a disaster.I was wondering how big companies solve these issues.Looks like normalizing tables just adds complexity, but how does the big company handle large amounts of data in their databases, don't they do the normalization? thanks

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  • Why did Dylan loose to Objective-C

    - by Adam Gent
    I have played/worked with many different programming languages and Dylan is still one of my favorites. My question is why did Dylan fail when Objective-C, Ruby and even Scheme have had more success? Was Dylans performance that much worse than Objective-C that Apple went with it or was purely for social/political reasons. Hopefully someone from apple will see this question :) BTW if you have no idea what Dylan is please google Dylan Progrmaming Language.

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  • Django template-printing variables

    - by Hulk
    In django views def add(request): dict{} co_data = optarr dict.update({'co_data' : co_data}) logging.debug(co_data) return render_to_response('scheme/create.html',context_instance=RequestContext(request,{'dict': dict})) And data has the following string 1##2##3##4## And in the template when i say {{co_data}} it doesnt display the values.Please point out whats wrong in the code. Thanks..

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  • Database design in blogging systems

    - by Peter
    As a learning exercise I'm trying to put myself a blogging system. The goal is to code something that will let me create multiple blogs, like blogger.com or wordpress.com, but much simplified. I would like to ask you, what do you think is best database design for this type of script. Is it better to have one big table, containing posts from all blogs of all users (like friendfeed) or would it be better to create separate table for each blog's posts? Big thanks in advance for your help, Peter.

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  • Where does the version number come from?

    - by Robert Schneider
    I have a version control system (e.g. Subversion) and now I'd like to set up a build process. Now I have to create a version number and insert it into the system. But where does the version number come from and get into? Assume I want to use this common <major.<minor.<bugfix/revision scheme. Should I pass a number to the build script? Or should I pass arguments like increaseMajor, increaseMinor, increaseRevision? Or would you recommend to create a branch with the number which will be detected by the build script? I could imagine that the major and minor version number have to be put in manually somewhere. The revision number could be increased automaically. But still I don't know where I would place the major and minor number. In my case I have some php files that I would like to zip, but before I have to insert some version numbers into php file. I have edited this post to try to make my request clearer: I do not use Subversion, that was just an example. And I don't want to discuss the version number scheme. Imagine I want to create version 3.5.0 or 3.5.1. Would I pass this version number to a build script? Would the script create the branch in the repository with this number or would it expect that someone has already created this branch? Manually? Or would the build script look for name of the branch (e.g. '3.5.1) and use it for further things? And does the version number come from my brain or is it automatically created (I guess the major/minor number it comes from my little brain and revision number is created)? Or would you place the number into a file that may gets inserted into the repository? I guess if would use a release management tool I would insert the version number there. But I don't use one yet.

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  • MySql multiple selects batching in .net

    - by Amith George
    I have a situation in my application. For each x-axis point in my chart, I am plotting 5 y-axis values. To calculate each of these 5 values, I need to make 4 different queries. Ie, for each x-axis point I need to fire 20 sql queries. Now, I need to plot 40 such points in the my chart. Its resulting in a pathetic performance where it takes close to a minute to get all the data back from the database. Each of 4 different queries consists of a join between 2 tables. One has only 6 rows. The other close to 10,000. Each of the 4 queries has different WHERE clauses, so they are different queries. For each point in the x-axis, only the values for the where clauses change. I have tried combining each of the 4 queries into one big string. Basically batch the four selects. These are again batched for each y-axis value. So, for each x-axis point, I am now firing one big command that consists of 20 different select statements. Technically, I should be experiencing a big performance boost, right? Instead of hitting the db 40x5x4 = 800 times, I am now hitting it just 40 times. But instead of taking 60 seconds, it taking 50-55 seconds... not much of a help. I am using MySql 5.1, and the 6.1 version of its .Net connector. What can I do to improve the performance? Edit: One of the 4 queries is as follows: SELECT SUM(TIME_TO_SEC(TIMEDIFF(T1.col2, T1.col1))* T2.col1 / (3600 *1000)) AS TotalTime FROM Table T1 JOIN Table T2 ON T1.col3 = T2.col3 WHERE T1.col4 = 'i' AND T1.col1 >= '2009-12-25 00:00:00' AND T1.col2 <= '2009-12-26 00:00:00'; The other 3 queries are similar, only the where clause changes slightly. This set of 4 queries is fired 5 times. The first 3 times against the join of table T1 and T2, passing in different values for col4. And the next two times against the join of table T3 and T2 passing in different values for col4. These 5 values are the y-axis values for a particular x-axis point. The data returned by all these queries is the same format. so, we tried doing a UNION ALL on all these queries. No substantial difference. One strange thing, however, after indexing the foreign key on the table T1 [while it contained over a lakh records], the queries were using the index, but they had become slower. At times, the queries would take double the time to return the data.

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  • Fine tune some SQL called multiple times

    - by Carl
    Hi all, I currently have an SQL query which is currently called multiple times like this (pseudo code): foreach(KeyValuePair kvp in someMapList) { select col1 from table where col2 = kvp.key and col3 = kvp.value; //do some processing on the returned value } The above could obviously call the database a large number of times if it is a big list of pairs. Can anyone think of a more efficient piece of SQL which could essentially return a list of specific values based on a list of two unique pieces of information so that the processing can be done in bulk? One obvious one would be to build up a big piece of SQL with ORs but this would probably be quite inefficient? Thanks Carl

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  • Permutation algorithm without recursion? Java

    - by Andreas Hornig
    Hi, I would like to get all combination of a number without any repetation. Like 0.1.2, 0.2.1, 1.2.0, 1.0.2, 2.0.1, 2.1.0. I tried to find an easy scheme but couldn't find so I drawed a graph/tree for it and this screams to use recursion. But I would like to do it without, if this is possible. So could anyone please help me how to do that? Thank you in advance, Andreas

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  • Permutatation algorithm without recursion? Java

    - by Andreas Hornig
    Hi, I would like to get all combination of a number without any repetation. Like 0.1.2, 0.2.1, 1.2.0, 1.0.2, 2.0.1, 2.1.0. I tried to find an easy scheme but couldn't find so I drawed a graph/tree for it and this screams to use recursion. But I would like to do it without, if this is possible. So could anyone please help mw how to do that? Thank you in advance, Andreas

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  • generalizing the pumping lemma for UNIX-style regular expressions

    - by Avi
    Most UNIX regular expressions have, besides the usual *,+,? operators a backslash operator where \1,\2,... match whatever's in the last parentheses, so for example L=(a)b\1* matches the (non regular) language a^n b a^n On one hand, this seems to be pretty powerful since you can create (a*)b\1b\1 to match the language a^n b a^n b a^n which can't even be recognized by a stack automaton. On the other hand, I'm pretty sure a^n b^n cannot be expressed this way. Two questions: 1. Is there any literature on this family of languages (UNIX-y regular). In particular, is there a version of the pumping lemma for these? 2. Can someone prove (or perhaps disprove) that a^n b^n cannot be expressed this way? Thanks

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  • Will OpenGL give me any FPS improvement over CoreAnimation for scrolling a large image?

    - by Ben Roberts
    Hi, I'm considering re-writing the menu system of my iPhone app to use Open GL just to improve the smoothness of scrolling a big image (480x1900px) across the screen. I'm looking at doing this as a way to improve on using the method/solution as described here (http://stackoverflow.com/questions/1443140/smoother-uiview). This solution was a big improvement over the previous implementation but it's still not perfect and as this is the first thing the user will see I'd like it to be as flawless as possible. Will switching to OpenGL give me the sort of smooth scrolling I'm looking for? I've stayed clear of OpenGL until now as this is my first app and core animation has handled everything else I've thrown at it well enough, would be good to know if this alternative implementation is likely to work! thanks

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  • Optimal size for Database partitions

    - by Adrian Mouat
    Hi all, I am creating a very simple, very large Postgresql database. The database will have around 10 billion rows, which means I am looking at partitioning it into several tables. However, I can't find any information on how many partitions we should break it into. I don't know what type of queries to expect as of yet, so it won't be possible to come up with a perfect partitioning scheme, but are there any rules of thumb for partition size? Cheers, Adrian.

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  • What are codepad.org's Perl runner limitations?

    - by Lemurik
    Sometimes I see people use http://codepad.org as a way to quickly run/test their Perl snippets (it supports doing that with a wide variety of languages, from C to Scheme to Perl). It's pretty obvious that there must be some limitations as to what code/features can be tested with codepad - does anyone know what those limitations are for Perl runner? I'll get the ball rolling on my own observation: not every CPAN module is available :(

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