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• SWT Filedialog Open into home folder

  - by Ivan

  I want to open a FileDialog window into the user home folder (i.e. /home/user or /Users/unsername) I read the user home folder, using System.getProperty: String homefolder = System.getProperty(user.home); And the variable containts the correct home folder. But when i set the filterpath in FileDialog, it opens (in linux) only the /home level not entering into the user home dir. This is the source code: FileDialog dialog = new FileDialog(shell); dialog.setText("Choose a certificate"); String platform = SWT.getPlatform(); String homefolder = System.getProperty("user.home"); dialog.setFilterPath(homefolder); Any idea? Here a screenshot:

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• 70-536 exam, same for 2.0 and 3.5

  - by Fermin

  Hi, I have recently booked the 70-536 Application Development Foundation exam. On the above link it says that "If you are a .NET 2.0 developer, you do not need to learn .NET 3.5 to pass Exam 70-536; conversely, if you are a .NET 3.5 developer, you do not need to review .NET 2.0 to pass the exam.". How does this work? Do you choose 3.5 or 2.0 (I'm wanting it for 3.5) at the start of the exam or does it only ask questions that are pertinent to both versions of the framework?

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• How change Subversion's default binary mime-type?

  - by lamcro

  Subversion sets a binary file's svn:mime-type property to application/octet-stream by default. I need to change this default to some other mime-type. When I import for the first time this code, I would like Subversion to set mime-type to the one I choose. The reason is that my code base contains code in binary files (proprietary format), and I have the applications necessary to emulate diff and diff3 for these. But Subversion does not let me due to their default mime-type. Please note: There is no default extension (*.jar, *.py, etc) for these code files. Some files don't even have an extension. So configuring mime-type by file extension is not possible.

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• Dynamic "OR" conditions in Rails 3

  - by Ryan Foster

  I am working on a carpool application where people can search for lifts. They should be able to select the city from which they would liked to be picked up and choose a radius which will then add the cities in range to the query. However the way it is so far is that i can only chain a bunch of "AND" conditions together where it would be right to say "WHERE start_city = city_from OR start_city = a_city_in_range OR start_city = another_city_in_range" Does anyone know how to achive this? Thanks very much in advance. class Search < ActiveRecord::Base def find_lifts scope = Lift.where('city_from_id = ?', self.city_from) #returns id of cities which are in range of given radius @cities_in_range_from = City.location_ids_in_range(self.city_from, self.radius_from) #adds where condition based on cities in range for city in @cities_in_range_from scope = scope.where('city_from_id = ?', city) #something like scope.or('city_from_id = ?', city) would be nice.. end end

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• Rails routing/polymorphism issue - how to model the following

  - by 46and2

  Hi all, I have an app where a 'user' belong to a 'client' or a 'vendor' (and client and vendor has_many users). In the admin namespace, I want to administer these users - so an admin would choose a client or a vendor, then nav to that client's or vendor's users. My question is, short of making the user model polymorphic, how could I model/route this? Here is what I have in terms of routing: map.namespace :admin do |admin| admin.resources :clients admin.resources :vendors end I know I could do something like: map.namespace :admin do |admin| admin.resources :clients do |client| client.resources :users admin.resources :vendors do |vendor| vendor.resources :users end end But the above would definitely need me to treat the User as polymorphic. I'm just wondering what you would recommend or what my options are. Thanks.

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• How best to implement publicly accessible constants in C#

  - by DanM

  There seem to be three choices for implementing publicly accessible constants in C#. I'm curious if there are any good reason to choose one over the other or if it's just a matter of personal preference. Choice 1 - private field plus property getter private const string _someConstant = "string that will never change"; public string SomeConstant { get { return _someConstant; } } Choice 2 - property getter only public string SomeConstant { get { return "string that will never change"; } } Choice 3 - public field only public const string SomeConstant = "string that will never change"; Which do you recommend and why?

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• Connecting my flex application to Restlet webservices

  - by Vatsala

  Hi, I am doing some trial testing awith Amazon ec2 boxes, deploying flex apps running on top of restlet powered webservices. I have this problem - Everytime i deploy the app to the cloud, I'm having to hardcode the IP address of the server into the ActionScript/MXML files (http://72.93.48.39:8080/xxx/abc/) and for certain reasons, i am forced to choose a different IP everytime. and i think its really not the right way to deploy the application. I would like to know what other people do in such scenarios? On thinking about it, i thought i could make it pickup values from the HTMLVars of the HTML wrapper. but that again has to be edited everytime again and again. will it be possible to be able to supply these values : server's ip address, server's port number(in case its not 8080 on some machine) at build time? if so can anyone give me a barbones sample build.xml just as an example?

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• What is the best possible technology for pulling huge data from 4 remote servers

  - by Habib Ullah Bahar

  Hello, For one of our project, we need to pull huge real time stock data from 4 remote servers across two countries. The trivial process here, check the sources for a regular interval and save the update to database. But as these are real time stock data of more than 1000 companies, I have to pull every second, which isn't good in case of memory, bandwidth I think. Please give me suggestion on which technology/platform [We are flexible here. PHP, Python, Java, PERL - anyone of them will be OK for us] we should choose, it can be achieved easily and with better performance.

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• Can you use Github App with Beanstalk?

  - by mikemick

  Being new to Git, I wanted to use a GUI (Windows based) and preferred the Github App. However, I would like to integrate this site with a Beanstalkapp account. I'm pretty sure this is possible, but I can't figure it out. Inside of the Github app, I navigate to my repository. When I choose "Tools Settings...", I place the Git Clone URL for the repository provided by Beanstalk into the "Primary Remote (origin)" field in my Github app. Now when I click "Publish" (which says "Click to publish this branch to server" when I hover over it) it changes to "Publishing...". After a few seconds, I get this error: server failure The remote server disconnected. Try again later, or if this persists, contact [email protected] I am pretty sure I set the SSH keys up properly (never done this before). I added the key to both the Beanstalkapp and my Github web account.

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• Add values to standard expressions list in Regular Expression Editor dialog in VS 2008

  - by Alex

  Hi. In the "Regular Expression Editor" dialog in VS 2008 ( or 2005 for this matter ) , there is a list of "standard expressions" like : "French phone number" , "French postal code" etc.. And of course there is an option to select a "Custom" and then enter your own regular expression. Well.. I want to add a predefined expressions to that list . Like : "Israeli phone number" . I don't want to enter it every time by selecting a custom value . I want my developers in the team available items for them to choose. Anyone knows how to alter that list ? I've found some question about it on the web - and the answer given is that it's not possible . But that was at 2004. Anyone ?!?! Thanks.

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• More Code Assist in Eclipse PDT For HTML

  - by Mike

  I am trying to come over from dreamweaver to eclipse. In eclipse when I am in a php file writing html. If I just type a "<" then the code assist popup will come up with all the options I can choose from. I would like to know if the code assist can appear in more places though. If I type "<div" and hit space can I get another code assist popup? If so, how?

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• How to override ggplot2's axis formatting?

  - by Richie Cotton

  When you choose a log scale, ggplot2 formats the breaks like 10^x. I'd like it to not do that. For example, the code below should display a graph with ticks at 1, 2, 5 etc, not 10^0, 10^0.3, 10^0.69 etc. library(ggplot2) dfr <- data.frame(x = 1:100, y = rlnorm(100)) breaks <- as.vector(c(1, 2, 5) %o% 10^(-1:1)) p1 <- ggplot(dfr, aes(x, y)) + geom_point() + scale_y_log10(breaks = breaks) print(p1) I guess that adding a formatter argument to scale_y_log10 would do the trick, but I'm not sure what to put in the argument, or where the options might be documented.

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• geom_tile heatmap with different high fill colours based on factor

  - by Michael

  I'm interested in building a heatmap with geom_tile in ggplot2 that uses a different gradient high color based on a factor. The plot below creates the plot where the individual tiles are colored blue or red based on the xy_type, but there is no gradient. ggplot() + geom_tile(data=mydata, aes(x=factor(myx), y=myy, fill=factor(xy_type))) + scale_fill_manual(values=c("blue", "red")) The plot below does not use the xy_type factor to choose the color, but I get a single group gradient based on the xy_avg_value. ggplot() + geom_tile(data=mydata, aes(x=factor(myx), y=myy, fill=xy_avg_value)) Is there a technique to blend these two plots? I can use a facet_grid(xy_type ~ .) to create separate plots of this data, with the gradient. As this is ultimately going to be a map (x~y coordinates), I'd like to find a way to display the different gradient together in a single geom_tile map.

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• Interview - Program on Computer

  - by Gilad Naor

  Spent some time searching, couldn't find exactly what I'm after. We like giving hands-on programming exercises as part of the interview process. The interviewee gets a laptop, with the editor and compiler of his choice. He or she then get a programming exercise and has about an hour to code it. Depending on the nature of the question, internet access is either allowed or forbidden. I'm looking for good general questions for a junior developer. I don't care what language they choose to program in. C++ is as good as Python or Scheme, as long as (s)he can program in it (this rules out "can you write a correct copy-constructor" style questions). I just want to see how they code, if their code is self-documenting, if they write tests, check edge-cases, etc. What kind of questions would you ask?

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• firefox open local link to directory with explorer

  - by raffael

  On a Website for our internal use i show links to local files and folders. the links are like this: href="file://C:/example/" href="file://C:/example/test.odt" The Problem is now that the link to the directory does open in firefox itself with a useless directory listing. Useless because you can just see the files or open them but not copy, insert, delete... The link to the file work normal and the file is opend by OpenOffice. By changing the configuration of firefox and setting the following key to false I can open the directory in with explorer.exe but for the file I have to choose the right application. network.protocol-handler.expose.file Does someone know a way to get both to work like i want? Means that the Directory is shown by explorer.exe and all files are opened by the right application. This can be by configuring Firefox or windows, changing the links, or even by writing a small program which opens all the file protocol correctly and will be used as protocol handler for the file protocol in firefox. Thanks Raffael

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• Publishing my WCF Service to my webhotel provider

  - by H4mm3rHead

  I have made a small log service that i want to publish to a subdomain on my webhotel. I make the wcf service and test it locally - no problem. I then go to the [Build] menu and choose [Publish], type in my FTP location and publishes it to the location. No problems. The problem arise when i need to use it, i try to navigate to the .svc file but gets this error: This collection already contains an address with scheme http. There can be at most one address per scheme in this collection. Parameter name: item What am I doing wrong?

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• why do we all learn and study java or .net or why java or .net are popular?

  - by tadeze

  My question to be clear is why do we all need to learn java or .net(C#) , still java or .net are more popular than delphi or c++ and even there are lot of resource,articles or books compared to c++ or delphi about java and .net. However, I heard majority, if I am right about 80% of software are developed using c++ or delphi in the software industry. so, why do we bother about other languages specifically about the cosmopolitan languages such as java or .net in education as well as for job interview. Although, still I know the elegance of java and .net, their safe code execution,fully objected oriented behavior ...etc, but still according to the statics they are not preferred on software develpement as a primary language mainly because of their execution time compared to c++ or delphi. So my question are why do they choose them for jobs or educational purpose and everything else? why do we lose our time learning these language if we are forced to use the other languages in the industry?

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• web developer editor ubuntu

  - by madphp

  Hi, I know theres hundred of questions and answers out there, but cant find one to specifically answer this. I need a web editor that will let me choose a dark themed editor. I understand gvim is one, but im not totally ready to let go of my mouse. I would like something like sublime text editor for windows, but open to other suggestions. The less bloat the best. I dont need a full IDE like eclipse, but willing to compromise, as long as the themes can easily be added. I've tried bluefish, kompozer and not happy with them. Just need a basic text editor that will highlight php syntax on a dark background.

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• browser back acts on nested iframe before the page itself - is there a way to avoid it??

  - by kfiroo

  hi, i have a page with dynamic data loaded by some ajax and lots of javascript. the page contains a list from which the user can choose and each selected value loads new data to the page. one of these data items is a url provided to an iframe. i use jQuery BBQ: Back Button & Query Library to simulate the browser-back behavior. all works well besides the fact that when i click the back button for the first time the iframe goes back to its previous location and then i need to click back again to make the page go back. is there a way to disable the iframe's back behavior?

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• apple push notification review

  - by user280390

  Hey all, I am implementing APN's and want to release without switching it on yet.. So the app will happily receive them. but we will choose not to send them until later. My question is, as when we want to send notifications is in our control, do apple care about this when reviewing the app. I thinking not, maybe they send a test notification to the device to prove it works? but if anyone has any experience in dealing with this any info would be much appreciated. Thanks.

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• Scala simple dummy project.

  - by Lukasz Lew

  Currently my whole work cycle is: edit foo.scala fsc foo.scala && scala -cp . FooMain But my project is getting bigger and I would like to split files, make unit tests, etc. But I'm too lazy for reading sbt documentation and doing whatever needs to be done to get a sbt's "Makefile". Similarly for unit tests (there are so many frameworks, which to choose?) What would make my day is a simple zipped dummy project with a dummy unit tests using sbt. Do you know whether such thing exists?

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• Where/When do C# and the .NET Framework fail to be the right tool?

  - by Nate Bross

  In my non-programming life, I always attempt to use the appropriate tool for the job, and I feel that I do the same in my programming life, but I find that I am choosing C# and .NET for almost everything. I'm finding it hard to come up with (realistic business) needs that cannot be met by .NET and C#. Obviously embedded systems might require something less bloated than the .NET Micro Framework, but I'm really looking for line of business type situations where .NET is not the best tool. I'm primarly a C# and .NET guy since its what I'm the most comfertable in, but I know a fair amount of C++, php, VB, PowerShell, batch files, and Java, as well as being versed in the web technologes (JavaScript, HTML, and CSS). But I'm open minded about it my skill set and I'm looking for cases where C# and .NET are not the right tool for the job. I choose .NET and C# because I'm comfortable with it, but I'm looking for cases where it isn't appropriate.

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• Upgrading Visual Studio web service project says to "convert to web application."

  - by Buggieboy

  I have a Visual Studio 2003 web service project that I have to upgrade to Visual Studio 2008. After I have run the conversion wizard, I get this message: You have completed the first step in converting your Visual Studio .NET 2003 web project. To complete the conversion, please select your project in the Solution Explorer and choose the 'Convert to Web Application' context menu item. I got this message with another project, which was originally a "web site", rather than an ASP.NET "web application". It made sense to in that case (sort of). Why, however, would I not just want to have this project remain a web service project? Additionally, when I follow the instructions and select "Convert to Web Application" from the context menu, I don't get any feedback that anything has changed. Should it have? If so, what?

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• Pros and Cons of Different macro function / inline methods in C

  - by Robert S. Barnes

  According to the C FAQ, there are basically 3 practical methods for "inlining" code in C: #define MACRO(arg1, arg2) do { \ /* declarations */ \ stmt1; \ stmt2; \ /* ... */ \ } while(0) /* (no trailing ; ) */ or #define FUNC(arg1, arg2) (expr1, expr2, expr3) To clarify this one, the arguments are used in the expressions, and the comma operator returns the value of the last expression. or using the inline declaration which is supported as an extension to gcc and in the c99 standard. The do { ... } while (0) method is widely used in the Linux kernel, but I haven't encountered the other two methods very often if at all. I'm referring specifically to multi-statement "functions", not single statement ones like MAX or MIN. What are the pros and cons of each method, and why would you choose one over the other in various situations?

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• Linq like or other construction

  - by Yauhen Kavalenka

  I have DB oracle in my solution. I want to have some results in this query. Query example: select * from doctor where doctor.name like '%IVANOV_A%'; But if i do it at LINQ i cannot get any result. from p in repository.Doctor.Where(x => x.Name.ToLower().Containsname)) select p; Where 'name' is variable of string parameter. Web layout request next string: "Ivanov a" or "A Ivanov" But i suggest for user choose you pattetn for query. How i can to get "patient by name" if name consist of "First name" and "Last name" but user doesn't know your doctor's full name?

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