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• Multi-line regex support in Vim

  - by Daniel

  I notice the standard regex syntax for matching across multiple lines is to use /s, like so: This is\nsome text /This.*text/s This works in Perl for instance but doesn't seem to be supported in Vim. Instead, I have to be much more specific: /This[^\r\n]*[\r\n]*text/ I can't find any reason for why this should be, so I'm thinking I probably just missed the relevant bits in the vim help. Can anyone confirm this behaviour one way or the other?

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• Change model name in rails easily

  - by Kenji Crosland

  I'm going to need to change one of my model names. Is there anything out there that will replace every instance of the original model name in the controllers views and tests or do I have to do it all manually, page by page?

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• sql query for fetching distinct records from table having count greater than 3

  - by saurav

  i have a table with coloumn id , name and city I want to fetch those rows where city is same and the number of rows are greater than 3. Is it possible in single sql query?

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• How can I make this Perl regex work?

  - by Geo

  I have this line ( it's a single line, SO makes it seem like 2 ): /Od /D "WIN32" /D "_DEBUG" /FD /EHa /MDd /Fo"Debug" /Fd"Debug\vc80.pdb" /W3 /c /Zi /clr /TP .\main.cpp" And I want to extract the .\main.cpp. I thought the following would do the trick: if($string =~ /.*\s+(.*)$/i) { print "matched ",$1,"\n"; } because this same regex works in Ruby, and extracts the string I required. How can I get it working?

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• How can I integrate Java with .Net?

  - by Luke

  I have one SDK that is available in Java and another SDK that is available for .Net and would like to write a single application that interfaces with both of them. I imagine I will need to use a cross platform communication framework that can support named pipes (or other in memory communication), what is the best choice? After some more research I found Hessian -- does anyone know anything about the maturity of this project?

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• Oracle DB on solaris utilizing swap memory when free RAM available

  - by Ara

  Hi, We have a weird instance where we noticed our oracle database server swap utilization was 100% and surprised to see that the system had free memory available during that period. To my knowledge, swap memory utilization starts once system runs out of free RAM (please correct me if i'm wrong). Not sure what could have caused this unusual activity. Had anyone else experienced such behaviour? Regs,

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• Is it possible to run a Java program inside a Flex application?

  - by Joshua

  I would like to be able to incorporate a simple game, written in Java as a component within a Flex Application. Am I crazy? Flex can display HTML, and SWF, it can also call JavaScript - but can I incorporate an applet somehow? I do NOT mean kludging it in as a sister component within a browser, but actually within the flex application itself, so that it could also run under Adobe Air, for instance.

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• How to add a jar build by a project to the project in eclipse?

  - by Xetius

  I have a project which as part of the build process creates an XMLBeans jar file (stbSchemas.jar) which I want to include and reference in this project. Is this the best way to go about this (Single project) or should I have a child project which is built from the parent project? I am building this using Maven2 inside Eclipse. Is there a better way to do this so that I can maintain the integrity of the projects and stability of the builds.

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• Do non-clustered indexes slow down inserts?

  - by mikeinmadison

  I'm working in Sql Server 2005. I have an event log table that tracks user actions, and I want to make sure that inserts into the table are as fast as possible. Currently the table doesn't have any indexes. Does adding a single non-clustered index slow down inserts at all? Or is it only clustered indexes that slow down inserts? Or should I just add a clustered index and not worry about it?

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• Is there a sample Rails application with a number of cucumber stories?

  - by Otto

  I'm trying to really understand Cucumber stories. I get it, but I'm really slow writing them. I think if I saw a good fleshed out application, I'd get closer to where I want to be. There are some samples out there, but there aren't any I can find with a single app with some non-contrived example stories. Are there any existing ones?

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• What happens on Activity.finish() with AsyncTask still running in background?

  - by stormin986

  What happens on Activity.finish() with an AsyncTask still running in background? Does it just pop the Activity off the Activity Stack, but wait to destroy the Activity object until the AsyncTask fully completes (since the AsyncTask is an inner class of my Activity)? Also, would it act any differently if the AsyncTask were a public, non-inner class that held no references to the instance of the Activity?

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• Wierd typeloadexception "Bad flags on delegate constructor."

  - by Marcus

  Hi, Anybody seen this exception before, Google doesn't have a single post regarding the exception. The code that raises the error is a simple add. Items.Add(item); System.TypeLoadException: Bad flags on delegate constructor. at System.Windows.Forms.ListView.Sort() at System.Windows.Forms.ListView.InsertItems(Int32 displayIndex, ListViewItem[] items, Boolean checkHosting) at System.Windows.Forms.ListView.ListViewNativeItemCollection.Add(ListViewItem value) at System.Windows.Forms.ListView.ListViewItemCollection.Add(ListViewItem value)

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• Most Frequent 3 page sequence in a weblog

  - by Sundararajan S

  Given a web log which consists of fields 'User ' 'Page url'. We have to find out the most frequent 3-page sequence that users takes. There is a time stamp. and it is not guaranteed that the single user access will be logged sequentially it could be like user1 Page1 user2 Pagex user1 Page2 User10 Pagex user1 Page 3 her User1s page sequence is page1- page2- page 3

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• Is there an equivalence of MapRGB for a BufferedImage in Java?

  - by SDLFunTimes

  I'm trying to color individual pixels on a BufferedImage (TYPE_INT_RGB) using setRGB but I'm not for sure how to set format the RGB values I want as a single integer. Is there a method that will take 3 ints (RGB values) and return a correctly formatted integer for setRGB?

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• Desiging a AJAX website

  - by Narmatha Balasundaram

  What are the things to consider and watch out for when designing a website with AJAX? Must take care of conditions, say timeouts, error handling, for instance? Best practices? What parameters to take care of while designing and coding?

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• Implement python replace() function without using regexp

  - by jwesonga

  I'm trying to rewrite the equivalent of the python replace() function without using regexp. Using this code, i've managed to get it to work with single chars, but not with more than one character: def Replacer(self, find_char, replace_char): s = [] for char in self.base_string: if char == find_char: char = replace_char #print char s.append(char) s = ''.join(s) my_string.Replacer('a','E') Anybody have any pointers how to make this work with more than one character? example: my_string.Replacer('kl', 'lll')

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• Maximum of averages

  - by Qtacz

  I'm supposed to get every departments average wage and only show the department with the highest average wage. I figured out this query, but it doesn't work. Anyone got some ideas? SELECT department, max(avg(wage)) FROM employees GROUP BY department; I get this error: ERROR at line 1: ORA-00937: not a single-group group function

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• IIS: How can I redirect requests for one page to another?

  - by James Evans

  I have written an app to replace a single page and need to redirect the requests for the old page to the new app. In IIS, how would I redirect the request for http://www.mysite.com/foo.aspx to http://www.mysite.com/bar/default.aspx Thanks!

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• Using Constants in Perl

  - by David W.

  I am trying to define constants in Perl using the use Constant pragma: use Constant { FOO => "bar", BAR => "foo" }; I'm running into a bit of trouble, and hoping there's a standard way of handling it. First of all... I am defining a hook script for Subversion. To make things simple, I want to have a single file where the class (package) I'm using is in the same file as my actual script. Most of this package will have constants involved in it: print "This is my program"; package "MyClass"; use constant { FOO => "bar" }; sub new { yaddah, yaddah, yaddah. I would like my constant FOO to be accessible to my main program. I would like to do this without having to refer to it as MyClass::FOO. Normally, when the package is a separate file, I could do this in my main program: use MyClass qw(FOO); but, since my class and program are a single file, I can't do that. What would be the best way for my main program to be able to access my constants defined in my class? The second issue... I would like to use the constant values as hash keys: $myHash{FOO} = "bar"; The problem is that %myHash has the literal string FOO as the key and not the value of the constant. This causes problems when I do things like this: if (defined($myHash{FOO})) { print "Key " . FOO . " does exist!\n"; } I could force the context: if (defined("" . FOO . "")) { I could add parentheses: if (defined(FOO())) { Or, I could use a temporary variable: my $foo = FOO; if (defined($foo)) { None of these are really nice ways of handling this issue. So, what is the best way? Is there one way I'm missing? By the way, I don't want to use Readonly::Scalar because it is 1). slow, and 2). not part of the standard Perl package. I want to define my hook not to require additional Perl packages and to be as simple as possible to work.

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• asp.net web app - writing data to access or error logs?

  - by chris

  I'm looking for a quick way to log some data - I seem to remember a way to write to the access log, similar to System.Out.Println() but I can't seem to remember how to do it. I can't attach a debugger, nor can I add additional information to the web app via Response.Write(). Is there a simple way - a single statement with no configuration changes would be ideal - to write to either the error or access logs?

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• killing all instances of chrome on the command line?

  - by Fedor

  In some cases killing a single tab/process doesn't do it and I need to close Chrome entirely. Since Chrome has multiple processes, how can I close all of them at once? I know that... pgrep chrome returns all the pids, can someone tell me a trick that would allow me to close all of them by feeding them to another command or merging them to a csv or something?

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• Doubt in Vptr -want to know how it is getting Vtable address

  - by gobi

  Hi all, i wanted to know how vptr getting vtable base address. for instance class A { virtual getdata(); int a; } now, A obj; /// here vptr getting vtable's base address. i wanted to know this mystery.. Thanks in advance

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• How do I change the caption for a figure in Latex?

  - by Dan

  I would like to change the caption from being: Figure 1: ... to From left to right: ... If I try and renewcommand the figurename, they still get numbered. This is unecessary as there is only a single image in the document. Any suggestions?

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• Creating static resource dictionary

  - by Vishal

  Hi All, I've created a Resource Dictionary that I want to merge with multiple usercontrol xaml files. I want only one instance of this Resource Dictionary to be created. Any idea how to do this? Note: Merge should happen through xaml only and not through code. Thanks & Regards, Vishal

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• Do Django Models inherit managers? (Mine seem not to)

  - by Zach

  I have 2 models: class A(Model): #Some Fields objects = ClassAManager() class B(A): #Some B-specific fields I would expect B.objects to give me access to an instance of ClassAManager, but this is not the case.... >>> A.objects <app.managers.ClassAManager object at 0x103f8f290> >>> B.objects <django.db.models.manager.Manager object at 0x103f94790> Why doesn't B inherit the objects attribute from A?

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