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  • Prevent backspace button from navigating back in Sharepoint 2010 and IE

    - by Machinegon
    as a user requirement I have to disable the backspace button from navigating back in the history. I made the following piece of code //Bind back nutton to prevent escaping the page with backspace $j(document).unbind('keydown').bind('keydown', function (event) { var doPrevent = false; if (event.keyCode === 8) { if(event.target == document.body){ if(event.preventDefault()){ event.preventDefault(); } event.stopEvent(); event.returnValue = false; } } }); This is working perfectly in all the browsers except IE8/7. I cannot bind the input types as exceptions because the content editor in sharepoint allows to modify the text in div or paragraph elements etc. The solution is not working in IE8 because the event.target returns the element that is on mouseover when there's no controls that has the focus. All tips will be appreciated. Thanks!!

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  • How do I use Declarations (type, inline, optimize) in Scheme?

    - by kunjaan
    How do I declare the types of the parameters in order to circumvent type checking? How do I optimize the speed to tell the compiler to run the function as fast as possible like (optimize speed (safety 0))? How do I make an inline function in Scheme? How do I use an unboxed representation of a data object? And finally are any of these important or necessary? Can I depend on my compiler to make these optimizations? thanks, kunjaan.

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  • MySQL: Efficient Blobbing?

    - by feklee
    I'm dealing with blobs of up to - I estimate - about 100 kilo bytes in size. The data is compressed already. Storage engine: InnoDB on MySQL 5.1 Frontend: PHP (Symfony with Propel ORM) Some questions: I've read somewhere that it's not good to update blobs, because it leads to reallocation, fragmentation, and thus bad performance. Is that true? Any reference on this? Initially the blobs get constructed by appending data chunks. Each chunk is up to 16 kilo bytes in size. Is it more efficient to use a separate chunk table instead, for example with fields as below? parent_id, position, chunk Then, to get the entire blob, one would do something like: SELECT GROUP_CONCAT(chunk ORDER BY position) FROM chunks WHERE parent_id = 187 The result would be used in a PHP script. Is there any difference between the types of blobs, aside from the size needed for meta data, which should be negligible.

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  • C# Bug or Brain Teaser? Cast working only with Coalesce (??) Operator

    - by Alex
    This is very strange, maybe someone can explain what's happening, or this is a bug (though I tend to think that this is probably just something intricate about C#). The following code throws the error "Cannot implicitly convert type 'uint?' to 'uint'.": public void Test(UInt32? p) { UInt32 x = p; } However, this code works without error: public void Test(UInt32? p) { UInt32 x = p ?? 1; } Huh? Why does this work? Why would the coalesce operator cause implicit conversion of UInt32? (nullable) to UInt32 (non-nullable), while the first error message says that there is no implicit conversion between those types?

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  • Inheritance in tables - structure problem

    - by Naor
    I have 3 types of users in my system. each type has different information I created the following tables: BaseUser(base_user_id, username, password, additional common data) base_user_id is PK and Identity UserType1(user_id, data related to type1 only) user_id is PK and FK to base_user_id UserType2(user_id, data related to type2 only) user_id is PK and FK to base_user_id UserType3(user_id, data related to type3 only) user_id is PK and FK to base_user_id Now I have relation from each type of user to warehouses table. Users from type1 and type2 should have only warehouse_id and users from type3 should have warehouse_id and customer_id. I thought about this structure: WarehouseOfUser(base_user_id,warehouse_id) base_user_id is FK to base_user_id in BaseUser WarehouseOfTyp3User(base_user_id,warehouse_id, customer_id) base_user_id is FK to base_user_id in BaseUser The problem is that such structure allows 2 things I want to prevent: 1. add to WarehouseOfTyp3User data of user from type2 or type1. 2. add to WarehouseOfUser data of user from type3. what is the best structure for such case?

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  • Jquery check array perform function

    - by mtwallet
    Hello. I am creating a site that requires a very small postcode checker. I have approx 8 postcode prefix's, HX, HD, BD, LS etc in an array. I also have a simple input field and submit btn. When the user types in a postcode for example HX5 9DU I want Jquery to check the array, if there is match for the first 2/3 letters I want a div to fade in displaying a message. How would I do this? Many thanks in advance.

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  • Retrieving values from Env in mod_esi or webtools

    - by williamstw
    A complete noob question, but how exactly do I get values (e.g. path_info) from inside the callback? From the docs, I thought it was a list of tuples, which I thought would make it accessible via lists:keyfind, but I've had no luck. So far, all the examples I've found only show how to print everything with io_lib but not how to access the values by key... Thanks, --tim The docs: Module:Function(SessionID, Env, Input)- _ Types SessionID = term() Env = [EnvironmentDirectives] ++ ParsedHeader EnvironmentDirectives = {Key, Value} Key = query_string | content_length | server_software | gateway_interface | server_protocol | server_port | request_method | remote_addr | script_name. <v>Input = string()

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  • CSS "and" and "or"

    - by Misiur
    Hi there. I've got quite big trouble, because i need to anathematise from styling some input types. I had something like: .registration_form_right input:not([type="radio") { //Nah. } But i don't want to style checkboxes too. I've tried: .registration_form_right input:not([type="radio" && type="checkbox"]) .registration_form_right input:not([type="radio" && "checkbox"]) .registration_form_right input:not([type="radio") && .registration_form_right input:not(type="checkbox"]) How to use &&? And I'll need to use || soon, and I think that usage will be same. Thanks.

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  • What is the flag to show the nesting of views in a Mac app?

    - by theMikeSwan
    I have just spet the last few hours trying to find the flag to use in Terminal to launch an app with the colored outlines around the various view elements to show how they are nested. I know that Matt Gemmell covered it during the Cocoa Face Off session of NSConference 2009 (at about the 13minute mark in the video). Unfortunately I can't actually read what he types and he doesn't speak the exact command. I know it has to be in the Apple docs somewhere but the search system is currently not being of any use. It looks like her just adds -showAllViews YES to the end of the command to open TextEdit but that command has no effect in 10.6.6. I have also tried every other capitalization I can think of as well as using view instead of views. Every command opens TextEdit just fine but doesn't show the colored outlines.

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  • slow record deletion with large ntext values

    - by asking
    I'm having trouble deleting some records via a stored procedure from a table in SQLServer 2008R2 that has ntext columns. The stored proc is timing out and running the query directly takes a very long time. The initial query was a straight "delete from y where x = z" and I've also tried running it in batches of 1000 with transactions but it is still slow and timing out in a stored proc. The majority of the records in the table will not be deleted each time (it's not just a once-off query but will be run other times). The ntext columns are not used in the where clause and I can't change the column types. Any suggestions on the quickest way to delete records with large ntext values? Thanks

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  • Design pattern: polymorphisim for list of objects

    - by ziang
    Suppose I have a class A, and A1, A2 inherits from A. There are 2 functions: List<A1> getListA1(){...} List<A2> getListA2(){...} Now I want to do something similar to both A1 and A2 in another function public void process(List<A>){...} If I want to pass the instance of either ListA1 or ListA2, of course the types doesn't match because the compiler doesn't allow the coercion from List< A1 to List< A. I can't do something like this: List<A1> listA1 = getListA1(); List<A> newList = (List<A>)listA1; //this is not allowed. So what is the best approach to the process()? Is there any way to do it in a universal way rather than write the similar code to both List and List?

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  • Drupal Views limiting content posted by group membership

    - by digital
    Hi, I have various different content types and I want to filter by using views. So say a block only displays content posted in groups that you are a member of. I've created my generic view which so far displays all content of that type, but I'm struggling with linking this to content only posted in groups your a member of. I've looked at the Organic Groups filters but no luck there. I suspect I might need to use some sort of relationship but I'm stuck there. Any help would be greatly appreciated.

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  • TDD Example for Business Apps

    - by Jimmo
    I understand the general idea about unit testing and have used it in scenarios where complex interactions were happening in a system, but I still have a question about all of those principles coming together. We are cautioned about not testing the framework, or the database. Good UI design does not lend itself to non-human testing. UI interaction in general is excluded in MVC frameworks. In many apps what is left?. 37signals talks about extensive unit testing, but in an app like Basecamp or Backpack, what exactly are the types of things being tested through appropriate unit tests? What would 100% code coverage mean in that scenario?

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  • Li with float in IE6/7. It disappears?

    - by Ricardo H.Bin
    Hi guys. Try test this code in IE 6/7: <html> <head> <title>Title</title> </head> <body> <ul> <li style="float:left">huisashaiuhs iuhuiahsiuhsaiu</li> </ul> </body> </html> Where is the circle of LI? I already do ALL types of workaround, in UL and LI. Nothing, NOTHING works. Do you have any idea? (BTW already tried hasLayout,padding-left,margin-left,display:inline, etc etc etc)

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  • Is my code really not unit-testable?

    - by John
    A lot of code in a current project is directly related to displaying things using a 3rd-party 3D rendering engine. As such, it's easy to say "this is a special case, you can't unit test it". But I wonder if this is a valid excuse... it's easy to think "I am special" but rarely actually the case. Are there types of code which are genuinely not suited for unit-testing? By suitable, I mean "without it taking longer to figure out how to write the test than is worth the effort"... dealing with a ton of 3D math/rendering it could take a lot of work to prove the output of a function is correct compared with just looking at the rendered graphics.

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  • Doing a SetLength on an array passed into a proc by reference

    - by csharpdefector
    Hi All, Sure, even I can do this... var testarray : array of string; setlength(testarray, 5); but if I want to get clever and have a procedure into which I pass the array by referance like this I cant do it! procedure DoStuffWithArray(var passedarray : array of string); begin setlength(passedarray, 5); end; compiler says 'incompatible types' on the single line of code in my proc. I can do other stuff on the array like set set element values if i do a setlength before i call the proc, but I cannot do the setlength in my proc, which is what I want to do. Any help much appreciated, thanks all.

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  • Is both approach same ?

    - by Harikrishna
    I have one datatable which is not bindided and records are coming from the file by parsing it in the datatable dynamically every time. Now there is three columns in the datatable Marks1,Marks2 and FinalMarks. And their types is decimal. Now for making addition of columns Marks1 and Marks2 's records and store it into FinalMarks column,For that what I do is : datatableResult.Columns["FinalMarks"].Expression="Marks1+Marks2"; It's works properly. It can be done in other way also is foreach (DataRow r in datatableResult.Rows) { r["FinalMarks"]=Convert.ToDecimal(r["Marks1"])+Convert.ToDecimal(r["Marks2"]); } Now I don't know that which is the best way to do this means performance wise. Is first approach same as second approach in background means is both approach same or what?

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  • Format Text Field While User Enters Data

    - by Matt
    Hello, so here is what I am trying to do. I have a birth date text field, while the user in puts text i want the field to automatically put it in the form YYYY-MM-DD. Basically while the user types it replaces the Y's M's and D's but leaves the hyphen. I am not sure how to go about this i may need a mask or something. I know this is where some of the formatting can be done - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{ Any help would be of much help

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  • AutoMapper determine what to map based on generic type

    - by Daz Lewis
    Hi, Is there a way to provide AutoMapper with just a source and based on the specified mapping for the type of that source automatically determine what to map to? So for example I have a type of Foo and I always want it mapped to Bar but at runtime my code can receive any one of a number of generic types. public T Add(T entity) { //List of mappings var mapList = new Dictionary<Type, Type> { {typeof (Foo), typeof (Bar)} {typeof (Widget), typeof (Sprocket)} }; //Based on the type of T determine what we map to...somehow! var t = mapList[entity.GetType()]; //What goes in ?? to ensure var in the case of Foo will be a Bar? var destination = AutoMapper.Mapper.Map<T, ??>(entity); } Any help is much appreciated.

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  • Generic TypeIdenitifier convertion.How?

    - by John
    How do I convert the TypeIdenitifier to a class type? I need to use implicit convertion. type TMyChildArray<T>=class(TMyArray<T>) private FData:Array of T; procedure AddEnd(); end; TTypeIdenitifierParentClass=class(TAnotherParentClass) protected TestField:Cardinal; end; procedure TMyChildArray<T>.AddEnd(); var elem:T; begin for elem in Fdata do TTypeIdenitifierParentClass(elem).TestField:=0; end; I get "Invalid typecast" on the implicit convertion "TTypeIdenitifierParentClass(elem).TestField:=0;". The principle I want to use is that the TypeIdenitifier will represent a class that descends from TTypeIdenitifierParentClass.There are many class types,but all of them descend that class. How do I do this?

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  • How to evaluate "enterprise" platforms?

    - by Ran Biron
    Hi all, I'm tasked with evaluating an "enterprise" platform for the next-gen version of a product. We're currently considering two "types" of platforms - RAD (workflow engine, integrated UI, small cores of "technology plugins" to the workflows, automatic persisting of state...) like SalesForce.com / Service-Now.com and "cloud based" (EC2 / AppEngine...). While I have a few ideas on where to start, I'd like your opinions - how would you evaluate platforms for an enterprise suite of products? What factors would you consider? How would you eliminate weak options quickly enough to be able to concentrate on the few strong ones? Also interesting is how would you compare enterprise RAD (proven technology, quick to develop - but tends to look "the same as the competition") to cloud-based technology (lots of "buzz", not that many competitors - easy to justify to management, but probably lacking (?) enterprise tools and experience). As said before - I have a few ideas, but would like to see some answers before I post mine so I wouldn't drive the discussion to a specific place. RB.

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  • Getting .NET schema for a stored procedure result

    - by PHeiberg
    I have a couple of stored procedures in T-SQL where each stored procedure has a fixed schema for the result set. I need to map the result sets for each procedure to a POCO object and need the column name and type for each column in the result set. Is there a quick way of accessing the information? The best way I have found so far is accessing each stored procedure from .NET and writing my own extension method on a IDataReader/IDataRecord for dumping the information (column names and types) out. Example, a stored procedure executing the following query: SELECT Id, IntField, NullableIntField, VarcharField, DateField FROM SomeTable would require me to have the mapping information: Id - Guid IntField - System.Int32 NullableIntField - Nullable<System.Int32> VarcharField - String DateField - DateTime

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  • Wrong shortcut icons on the desktop and in the programs menu

    - by Zenya
    When creating a program setup, I also put some documentation or readme files in it. However after the program is installed, I get wrong icons on the desktop and in the programs menu, as below: What I expected: I thought that for the registered file types (such as pdf, txt, doc, etc.) I don't need to set icons manually in the setup project. Am i wrong? As far as I know some other installers doesn't have such problem. Does anybody know how to fix this for Visual Studio? My environment is: Visual Studio 2005, C#, Windows XP Pro SP3

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  • In Scala 2.8 collections, why was the Traversable type added above Iterable?

    - by Seth Tisue
    I know that to be Traversable, you need only have a foreach method. Iterable requires an iterator method. Both the Scala 2.8 collections SID and the "Fighting Bitrot with Types" paper are basically silent on the subject of why Traversable was added. The SID only says "David McIver... proposed Traversable as a generalization of Iterable." I have vaguely gathered from discussions on IRC that it has to do with reclaiming resources when traversal of a collection terminates? The following is probably related to my question. There are some odd-looking function definitions in TraversableLike.scala, for example: def isEmpty: Boolean = { var result = true breakable { for (x <- this) { result = false break } } result } I assume there's a good reason that wasn't just written as: def isEmpty: Boolean = { for (x <- this) return false true }

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  • What structure of data use to communicate via tcp/ip in java?

    - by rmaster
    Let's assume I want to send many messages between 2 programs made in java that use TCP sockets. I think the most convienient way is to send objects like: PrintStream ps = new PrintStream(s.getOutputStream()); ObjectOutputStream oos = new ObjectOutputStream(ps); some_kind_of_object_here; oos.writeObject(some_kind_of_object_here); ps.print(oos); I want to send, strings, numbers, HashMaps, boolean values How can I do this using fx 1 object that can store all that properties? I though about ArrayList that is serializable and we can put there everything but is not elegant way. I want to send different types of data because user can choose from a variety of options that server can do for it. Any advices?

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