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How to implement a single business logic layer based on CSLA and consume it from WPF, Winform and Si

- by Anand Patel

Is it possible to have a single implementation of business logic layer (based on CSLA) and consume it from different presentation technoligies like winform, silverlight etc. There exists CSLA for silverlight. Does that mean implementing and maintaining different BLL for different presentation technologies. Any help would be appreciated.

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Why does Maven projects allows only single "Clean & Build"?

- by Sarang

Hello all, I have created Maven project. It allows only single time Clean & Build. On next Clean & Build, it gives me error. But, on running it, it can give output successfully. What is reason for it? Please reply. With Regards, Sarang Dave

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pro/con of having single/multiple action per file in symfony?

- by koss

been working with symfony for a while. most tutorials describe having multiple actions in a single php file. however, i find having 1 action per php file easier to maintain. what's the pro/con of both? is this purely a developer preference in code organisation? any performance impact on either approach? what's common practice for reasonably large production applications?

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can I make a UDP b-socket hold only a single message ?

- by gil

can I make a UDP berkley socket hold only a UDP single message ? meaning it will override existing message if unread message is present when a new message arrives ?

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Set the title of a UIButton with a single method invocation?

- by Greg Maletic

I'd like to set the title of a UIButton via code. I find myself having to call -[UIButton setTitle:forState:] for UIControlStateNormal, UIControlStateHighlighted, UIControlStateDisabled, UIControlStateSelected. And that doesn't even take into account all of the combinations of these states together. Needless to say, this is tiresome. Is there a single call I can make that will set one string as the title for all of the states? (Since, I assume that in 95% of the cases, that's the desired behavior?)

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How can I split a string by whitespace unless inside of a single quoted string?

- by Kivin

I'm seeking a solution to splitting a string which contains text in the following format: "abcd efgh 'ijklm no pqrs' tuv" which will produce the following results: ['abcd', 'efgh', 'ijklm no pqrs', 'tuv'] In other words, it splits by whitespace unless inside of a single quoted string. I think it could be done with .NET regexps using "Lookaround" operators, particularly balancing operators. I'm not so sure about Perl.

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Override ASP Master Page html in a single content page?

- by Alan

Hi, I'm using ASP Master pages, and I would like to add an "onkeypress" event handler to the <body> in the Master page, but only for a single page. How do I do this? Obiwanke-stackoverflow, you're my only hope. -Alan

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How to return a single variable from a CUDA kernel function?

- by Pooya

I have a CUDA search function which calculate one single variable. How can I return it back. global void G_SearchByNameID(node* Node, long nodeCount, long start,char* dest, long answer){ answer = 2; } cudaMemcpy(h_answer, d_answer, sizeof(long), cudaMemcpyDeviceToHost); cudaFree(d_answer); for both of these lines I get this error: error: argument of type "long" is incompatible with parameter of type "const void *"

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How to use Twitter Api To Get more than 20 list Members in a single request?

- by vakas

i want to get more than 20 users using the the twitter api in a single request is there any parameter that specifies it? i am using this api http://api.twitter.com/1/Barelyme/Politics/members.xml?cursor=-1

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Add save callback to a single ActiveRecord instance, is it possible?

- by J. Pablo Fernández

Is it possible to add a callback to a single ActiveRecord instance? As a further constraint this is to go on a library so I don't have control over the class (except to monkey-patch it). This is more or less what I want to do: def do_something_creazy message = Message.new message.on_save_call :do_even_more_crazy_stuff end def do_even_more_crazy_stuff(message) puts "Message #{message} has been saved! Hallelujah!" end

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What is your best example of a violation of the Single Responsibility Principle?

- by Jon Kruger

I'm looking for some good examples of code that violates the Single Responsibility Principle. Don't show me any examples from Uncle Bob's books or web sites since those are plastered all over the internet, like this one: interface Modem { public void dial(String pno); public void hangup(); public void send(char c); public char recv(); }

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How to implement three stacks using a single array.

- by buried-shopno

Hi, I came across this problem in an interview website. The problem asks for efficiently implement three stacks in a single array, such that no stack overflows until there is no space left in the entire array space. For implementing 2 stacks in an array, it's pretty obvious: 1st stack grows from LEFT to RIGHT, and 2nd stack grows from RIGHT to LEFT; and when the stackTopIndex crosses, it signals an overflow. Thanks in advance for your insightful answer.

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Can a python webapp be bundled into a single file for deployment?

- by Phillip Oldham

Is it possible for a python webapp to be bundled (gzipped?) into a single file, along with any required resources (js/css files) & modules (including modules like lxml which are mostly C-based), for easy deployment?

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How to make separator (Single Line) transparent in Tableview?

- by Mishal

I have used table view in my application, and within that I have used the single line separator given by tableview. How can I make a transparent separator in a tableview? If anybody has any ideas/code snippets/useful links, I would greatly appreciate it.

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C# Use Linq to Extract a single XML attribute for each XML file in a directory.

- by guazz

Hi all, How do I use Linq to extract a single XML attribute form each XML file in a directory and put that element in a C# list. Do I have to loop thru each file one-by-one? The XML files are quite large so I'd like to do this without loading the entire file into memory. Thanks, j

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How can I deploy an Adobe Air application including the runtime in a single file executable?

- by Lozzer

I am using 7zsfx [Link] to package Java apps together with a JRE as a single file executable. Is it possible to do something similar with Adobe AIR apps if I get a license from Adobe to distribute the runtime? Also, does anybody have any alternative ideas for deploying Adobe Air apps with an embedded runtime? (Reason: Target computers may not have the Air runtime installed, and target users may not have permissions to download and install the runtime.)

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How to handle multiple responses from single web service call in Flex?

- by Karan

I have a requirement where a web service call should be fired from the flex side and this web service is an async web service which would return more than one response. In current Flex environment that I have worked in , when we call a webservice - we get a single response corresponding to that web service, but how take make a webservice call which should keep listening to multiple responses ??

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How do I select a single cell in a WPF datagrid?

- by epsen

When I click a cell in a WPF datagrid, the whole row is selected, and when I press Ctrl + C to copy the content, the whole row i copied... How do I select and copy the content of a single cell?

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How can I get two numbers that are written in a single line - is there a Split() method?

- by Sergio Tapia

I want to ask the user for input in console. He'll be writing down two numbers separated by a single space. In Java is there something like the C# Split() method I can use? Thank you!

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Naming member functions/methods with a single underscore, good style or bad?

- by Extrakun

In some languages where you cannot override the () operator, I have seen methods with a single underscore, usually for 'helper' classes. Something likes this: class D10 { public function _() { return rand(1,10); } } Is it better to have the function called Roll()? Is a underscore fine? After all, there is only one function, and it removes the need to look up the name of the class. Any thoughts?

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Is there a tool like phpMyAdmin which can be configured to access just a single database?

- by Ritesh M Nayak

Is there a tool like phpMyAdmin which can be configured to access only a single MySQL database in a server? I cannot use phpMyAdmin because it allows access to all databases. A view that can allow a user to create/delete/insert/update tables should do. I remember using a software similar to this but dont remember what it was. It would also be great if its in PHP.

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Custom rendering a radioselect in django form / accessing single element?

- by Oli

I have a form like this: CHOICES = [ ('a', 'a_value'), ('b', 'b_value'), ('c', 'c_value') ] self.fields["choice"] = forms.ChoiceField( widget=RadioSelect(), choices=CHOICES, ) How can I select a single element of this form field in my template? I want to be able to do something like: <tr><td>{{form.choice.a}}</td><td>some custom extra field</td></tr> Or is there another way to change how the RadioSelect is rendered?

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How do I write a single-file Django application?

- by obvio171

I want to write a very small Django application in a single file, requiring all the appropriate modules and stuff, and then be able to run that as a normal Python script, like this: $ python myapp.py You can assume I won't render HTML, so I don't need templates (I'll return JSON or some other auto-generated string).

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In Python, can I single line a for loop over iterator with an IF filter?

- by Tal Weiss

Silly question: I have a simple for loop followed by a simple if statement: for airport in airports: if airport.is_important: and I was wondering if I can write this as a single line somehow. So, yes, I can do this: for airport in (airport for airport in airports if airport.is_important): but it reads so silly and redundant ("for airport in airport for airport in airports..."). Is there a better way?

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How does :g/^$/,/./-j (reduce multiple blank lines to a single blank) work in vim?

- by Mert Nuhoglu

In the article, Vim Regular Expressions, Oleg Raisky gives the following command to reduce multiple blank lines to a single blank: :g/^$/,/./-j Can someone please describe how this works? I know :g command and regular expressions. But I didn't understand what the part /,/./-j does.

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