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• Rails gems and plugins usage in Netbeans

  - by LearnRails

  Hi, I am working with rails 2.3 with netbeans 6.5.1 on vista. I want to install more plugins from Git in netbeans like shoulda, cucumber etc. I have these questions: 1) I do not have much knowledge of Git. Is it necessary to install Git to make use of the Git plugins in netbeans? Are gems and plugins dependant on each other? 2) In case Git is needed and I do install msysgit , for example I can use the command ruby script/plugin install http://github.com/thoughtbot/shoulda.git/ to install shoulda plugin. How to make netbeans use this plugin or how to include this plugin in netbeans? 3) Is RubyMine a better IDE for Rails than Netbeans in terms of more gems and plugins availability? Thanks

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• Is it possible, with simple F# pattern matching transformations, to ignore unmatched values without

  - by Phobis

  So, I previously asked this question: http://stackoverflow.com/questions/2820234/can-someone-help-me-compare-using-f-over-c-in-this-specific-example-ip-address I was looking at the posted code and I was wondering if this code could be written without it producing a warning: let [|a;b;c;d|] = s.Split [|'.'|] IP(parseOrParts a, parseOrParts b, parseOrParts c, parseOrParts d) Is it possible to do something for the match _ pattern ot ignore? Without adding in something like Active Patterns? i want to keep the code as simple as possible... can I do this without drastically changing this code? NOTE: Warning is as follows Warning Incomplete pattern matches on this expression. For example, the value '[|_; _; _; _; _|]' may indicate a case not covered by the pattern(s).

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• ListViewGroup not sorting correctly

  - by Andrew

  I'm using a ListView control in a C# WinForms application. Items in the list are added to a ListViewGroup (in this case, grouping by country). The one thing that isn't working as expected is that the column sorting appears to be strange. I've hooked into the ListViewItemSorter property of the ListView and everything sorts perfectly except when the country column is sorted in descending order (that is, Z-A). Regardless of how the list sort occurs the groups show in ascending order. Can anyone give me a nudge in the right direction? EDIT: FWIW, .NET 3.5 on Vista.

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• How do you get clients to use your bug tracking system?

  - by louism

  on larger projects i use a simple bug tracking system that's designed to be used by clients i have a lot of trouble convincing clients to use it (they send bug reports via email) does anyone have any strategies they can suggested? also, i have been playing around with a theory as to why this is the case; it goes like this: asking a client to log a bug is like taking your car to a mechanic for a service, and the mechanic hands you the engine oil and says "here, pop that in". basically, the client has paid you to do the work, logging a bug sounds too much like work, so they want you to do it thoughts?

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• How to stop/override a Jquery TimeOut function?

  - by Tom

  Hi, I have a small jquery snippet that displays notification message at the top of the screen in response to user actions on a page. The notification is often displayed after Ajax actions with dynamic content inside it. For example: $("#mini-txt").html("Thank you!"); $("#mini").fadeIn("fast"); setTimeout(function() {$("#mini").animate({height: "hide", opacity: "hide"}, "medium");}, 3000); The notification works well, except when a user does two or more actions in rapid succession, in which case the TimeOut function will confuse itself and the second message appears to come inside the previous 3000 milliseconds. Is there a way to "kill" the previous notification if a new action is performed. I've got no problem with the actions/selectors, just the TimeOut function.... either stopping it or overriding it somehow. Or perhaps there's a better alternative for getting the message to linger on the screen for a few seconds before disappearing? Thank you.

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• How to build the ViewModel in MVVM not to violate the Single Responsibility Principle?

  - by Przemek

  Robert Martin says: "There should never be more than one reason for a class to change". Let's consider the ViewModel class which is bound to a View. It is possible (or even probable) that the ViewModel consists of properties that are not really related to each other. For small views the ViewModel may be quite coherent, but while the application gets more complex the ViewModel will expose data that will be subject to change for different and unrelated reasons. Should we worry about the SRP principle in the case of ViewModel class or not?

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• Android: stack management for views in a tab?

  - by wei

  I see some answers here prefer views over activities as contents of tabs. Correct me if I am wrong. My understanding is that by switching out views, it's possible to keep the navigation flow inside a tab (more user friendly, I think). But I wonder how to manage the view stack then in case of the back button events. Also this could cause one giant Activity with large amount of views, which might not be good. So I wish to know why exactly views as contents is preferred before I change my current application to this. Thanks,

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• Huge page buffer vs. multiple simultaneous processes

  - by Andrei K.

  One of our customer has a 35 Gb database with average active connections count about 70-80. Some tables in database have more than 10M records per table. Now they have bought new server: 4 * 6 Core = 24 Cores CPU, 48 Gb RAM, 2 RAID controllers 256 Mb cache, with 8 SAS 15K HDD on each. 64bit OS. I'm wondering, what would be a fastest configuration: 1) FB 2.5 SuperServer with huge buffer 8192 * 3500000 pages = 29 Gb or 2) FB 2.5 Classic with small buffer of 1000 pages. Maybe some one has tested such case before and will save me days of work :) Thanks in advance.

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• TToolButton Height Grows with Style = tbsDropdown

  - by smartins

  I noticed that the height of a TToolButton increases when you set the button's Style to tbsDropdown. I can understand the width increasing, so the button has space to draw the down arrow, but I'm not sure a height increase is necessary. Steps to reproduce the issue (Delphi 2010, Windows 7 x64): Add TToolbar to a form, ShowCaptions=True Right click to add a button to the Toolbar Set button Style=tbsDropDown and notice the button grows in height The same height increase happens when there are images assigned to the toolbar, in which case there is already plenty more vertical space available in the button to draw the drop down. Here's a visual example: Is there a workaround for this without hacking the VCL, or is this hardcoded into the Windows control?

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• JSF tags not being rendered as HTML

  - by Toto

  I'm following the Java EE firstcup tutorial using Netbeans and Glassfish. When I execute the JSF web tier I've been instructed to code, the browser gets the same JSF markup coded in the .xhtml file, and the tags are not rendered as HTML tags. I know this by using the view source code in my browser. For example, for this code: <html xmlns="http://www.w3.org/1999/xhtml" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html"> <h:head> <title>Page title here</title> </h:head> <h:body> <h2> <h:outputText value="#{bundle.WelcomeMessage}" /> </h2> </h:body> </html> The browser should get something like: <html ...> <head> <title>Page title here</title> </head> <body> <h2> the welcome message goes here </h2> </body> </html> Right? Well, my browser is getting jsf code (the first piece of code above) and not the html code (the second piece of code above). It seems to be a configuration problem in netbeans or glassfish but don't know what. Any ideas? This is my web.xml file: <?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <context-param> <param-name>javax.faces.PROJECT_STAGE</param-name> <param-value>Development</param-value> </context-param> <servlet> <servlet-name>Faces Servlet</servlet-name> <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Faces Servlet</servlet-name> <url-pattern>/firstcup/*</url-pattern> </servlet-mapping> <session-config> <session-timeout> 30 </session-timeout> </session-config> <welcome-file-list> <welcome-file>greetings.xhtml</welcome-file> </welcome-file-list> </web-app> This is my faces-config.xml file: <?xml version='1.0' encoding='UTF-8'?> <!-- =========== FULL CONFIGURATION FILE ================================== --> <faces-config version="2.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"> <application> <resource-bundle> <base-name>firstcup.web.WebMessages</base-name> <var>bundle</var> </resource-bundle> <locale-config> <default-locale>en</default-locale> <supported-locale>es</supported-locale> </locale-config> </application> <navigation-rule> <from-view-id>/greetings.xhtml</from-view-id> <navigation-case> <from-outcome>success</from-outcome> <to-view-id>/response.xhtml</to-view-id> </navigation-case> </navigation-rule> </faces-config> Moreover: The url I'm entering in the browser is http://localhost:8081/firstcup/ but I've also tried: http://localhost:8081/firstcup/greetings.xhtml I've checked Glassfish logs and there's no information about not being able to load FacesServlet

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• What is the Software Development Lifecycle?

  - by j-t-s

  Our investor wants a SDLC. I've never written one before, and I don't have enough time to go and buy a book, or spend much time learning about them. From what I've been told about them, they consist of requirements (what needs to be done), and a list is done. Is this correct? Update: I have found this article which really helps to explain things in simple terms and very quickly. Not that I think an SDLC should be done quickly. In my case, I have no other option.

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• Given a string of red and blue balls, find min number of swaps to club the colors together

  - by efficiencyIsBliss

  We are given a string of the form: RBBR, where R - red and B - blue. We need to find the minimum number of swaps required in order to club the colors together. In the above case that answer would be 1 to get RRBB or BBRR. I feel like an algorithm to sort a partially sorted array would be useful here since a simple sort would give us the number of swaps, but we want the minimum number of swaps. Any ideas? This is allegedly a Microsoft interview question according to this.

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• How does this If conditional work in Python?

  - by Sergio Boombastic

  from google.appengine.api import users from google.appengine.ext import webapp from google.appengine.ext.webapp.util import run_wsgi_app class MainPage(webapp.RequestHandler): def get(self): user = users.get_current_user() if user: self.response.headers['Content-Type'] = 'text/plain' self.response.out.write('Hello, ' + user.nickname()) else: self.redirect(users.create_login_url(self.request.uri)) application = webapp.WSGIApplication( [('/', MainPage)], debug=True) def main(): run_wsgi_app(application) if __name__ == "__main__": main() I don't understand how this line works: if user: self.response.headers['Content-Type'] = 'text/plain' self.response.out.write('Hello, ' + user.nickname()) else: self.redirect(users.create_login_url(self.request.uri)) I'm guessing the users.get_current_user() return a boolean? Then, if that is the case how can it get a .nickname() method? Thanks for the guidance.

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• Testing if a UI element is hidden in an OCUnit test

  - by Logan Serman

  I have a button that is hidden under certain circumstances that I wish to test. The button is hidden with [theButton setHidden: YES] in the viewDidLoad method if it is appropriate. For simplicity, lets say that the button is hidden when the buttonIsHidden property is set to true in the view controller. Right now I am trying the following: self.viewController = [[ViewController alloc] init]; self.viewController.buttonIsHidden = YES; [self.viewController loadView]; UIButton *theButton = [...] // function I wrote to retrieve the button based on it's touch up inside action if (theButton) { NSLog(@"%c", theButton.hidden); return (theButton.hidden == true) } return NO; It looks like the hidden property is not what it should be, the NSLog lines from the above code are blank. But, if I output another property like the height, it outputs the correct value so I know it is getting the right button. How do I access the hidden property of the button in this case?

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• MySQL: Count occurrences of known (or enumerated) distinct values

  - by Eilidh

  After looking at how to count the occurrences of distinct values in a field, I am wondering how to count the occurrences of each distinct value if the distinct values are known (or enumerated). For example, if I have a simple table - TrafficLight Colour ------------ ------ 1 Red 2 Amber 3 Red 4 Red 5 Green 6 Green where one column (in this case Colour) has known (or enumerated) distinct values, how could I return the count for each colour as a separate value, rather than as an array, as in the linked example. To return an array with a count of each colour (using the same method as in the linked example), the query would be something like SELECT Colour COUNT(*) AS ColourCount FROM TrafficLights GROUP BY Colour, and return an array - Colour ColourCount ------ ----------- Red 3 Amber 1 Green 2 What I would like to do is to return the count for each Colour AS a separate total (e.g. RedCount). How can I do this?

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• SEO URL building - simple or hierarchy

  - by Pawel

  I run an online shop and I wonder what would be more SEO-friendly URL for a product page: a) domain.com/category-name/product-name OR b) domain.com/product-name I already have URL-s for product category pages with format domain.com/category-name. On one hand I heard (but cannot find proof for) that Google like tree hierarchies in URL (vote for "a"). On the other hand though longer URL could lead to smaller kewyord density, also "product_name" comes as the last URL part so probably the least important (vote for "b"). Maybe both options are equally SEO-effective? PS. I know about canonical URL's but this is not the case, I don't want/need both URL's formats, just want to choose the best.

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• any way to get sharepoint groups with a given site url

  - by standley-nguyen

  Hi all. I'm getting a stuck. Suppose that I create 5 sites. For each one, I create a few sharepoint groups. So, I create a dropdownlist control to bind 5 sites and when I click on any site there, I will get sharepoint groups created on it. But I always see the dropdownlist used to bind these groups still never change. I mean it only binds a few default groups in sahrepoint everytime. The new created groups is not. And I have confusion like this web.AssociatedGroups web.Groups web.SiteGroups which one we will use this case ? Please guide me Here my snippet code private void BindSPGroupsToDropDownList(DropDownList ddl, string siteUrl) { ddl.Items.Clear(); try { SPSecurity.RunWithElevatedPrivileges(delegate() { using (SPSite site = new SPSite(siteUrl)) { using (SPWeb web = site.OpenWeb()) { //web.SiteGroups foreach (SPGroup spGroup in web.Groups) { ddl.Items.Add(new ListItem(spGroup.Name.Trim(), spGroup.ID.ToString())); } } } }); } } thanks in advance

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• Find the right parameters for an event without using Design Mode in Visual Studio 2010

  - by Jason

  Is there a way to know what parameters are needed by an event in Visual Studio 2010? Let's say I have a DropDownList control and I want to bind a method to the "OnSelectedIndexChanged", I would do something like this In the ASPX File: <asp:DropDownList ID="lstMyList" runat="server" OnSelectedIndexChanged="lstMyList_SelectedIndexChanged"></asp:DropDownList> In the codebehind: protected void lstMyList_SelectedIndexChanged(object sender, EventArgs e) { ... } Is there a way to know what parameters the method needs? (In this case, an object for the sender and an EventArgs parameter for the event.) I know you can easily create the method by double-clicking the right event in Design Mode, but it does a mess with your code so I prefer not to use it. Thanks!

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• Is it possible to pickle python "units" units?

  - by Ajaxamander

  I'm using the Python "units" package (http://pypi.python.org/pypi/units/) and I've run into some trouble when trying to pickle them. I've tried to boil it down to the simplest possible to case to try and figure out what's going on. Here's my simple test: from units import unit, named_unit from units.predefined import define_units from units.compatibility import compatible from units.registry import REGISTRY a = unit('m') a_p = pickle.dumps(a) a_up = pickle.loads(a_p) logging.info(repr(unit('m'))) logging.info(repr(a)) logging.info(repr(a_up)) logging.info(a.is_si()) logging.info(a_up.is_si()) logging.info( compatible(a,a_up) ) logging.info(a(10) + a_up(10)) The output I'm seeing when I run this is: LeafUnit('m', True) LeafUnit('m', True) LeafUnit('m', True) True True False IncompatibleUnitsError I'd understand if pickling units broke them, if it weren't for the fact that repr() is returning identical results for them. What am I missing? This is using v0.04 of the units package, and Google App Engine 1.4 SDK 1

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• python conditional list creation from 2D lists

  - by dls

  Say I've got a list of lists. Say the inner list of three elements in size and looks like this: ['apple', 'fruit', 1.23] The outer list looks like this data = [['apple', 'fruit', 1.23], ['pear', 'fruit', 2.34], ['lettuce', 'vegetable', 3.45]] I want to iterate through the outer list and cull data for a temporary list only in the case that element 1 matches some keyword (aka: 'fruit'). So, if I'm matching fruit, I would end up with this: tempList = [('apple', 1.23), ('pear', 2.34)] This is one way to accomplish this: tempList = [] for i in data: if i[1] == 'fruit': tempList.append(i[0], i[2]) is there some 'Pythonic' way to do this in fewer lines?

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• snprintf and Visual Studio 2010

  - by Andrew

  I'm unfortunate enough to be stuck using VS 2010 for a project, and noticed the following code still doesn't build using the non-standards compliant compiler: #include <stdio.h> #include <stdlib.h> int main (void) { char buffer[512]; snprintf(buffer, sizeof(buffer), "SomeString"); return 0; } (fails compilation with the error: C3861: 'snprintf': identifier not found) I remember this being the case way back with VS 2005 and am shocked to see it still hasn't been fixed. Does any one know if Microsoft has any plans to move their standard C libraries into the year 2010?

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• Nested svn repositories

  - by singles

  I got a "Project A" in repository. But in that project I'm using a library, which is hosted on Google Code. There is my question: is there any way, to have that library files "hooked" to Google Code SVN, and simultaneously my project in my repo (it's parent to that library), so I can commit library files into my repository when I decide, that outer project revision is ok? I've tried to do checkout in the library folder, files were downloaded from Google's Code repository. But I that case wasn't able to add them to my repository - they weren't visible in "Add" window.

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• Alter a single attribute with XSLT

  - by Pete Montgomery

  Hello! <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.web> <compilation debug="true" defaultLanguage="C#"> <!-- this is a comment --> </compilation> </system.web> </configuration> What's the simplest XSLT you can think of to transform the value of the first, in this case only, /configuration/system.web/compilation/@debug attribute from true to false?

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• How to filter Delphi 2010 compiler output (hints)?

  - by Paul-Jan

  I'm trying to get rid of some hints(*) the Delphi compiler emits. Browsing through the ToolsAPI I see a IOTAToolsFilter that looks like it might help me accomplish this through it's Notifier, but I'm not sure how to invoke this (through what xxxServices I can access the filter). Can anyone tell me if I´m on the right track here? Thanks! (*) In particular, H2365 about overridden methods not matching the case of the parent. Not so nice when you have about 5 million lines of active code with a slightly different code convention than Embarcadero's. We've been working without hints for months now, and we kinda miss 'm. :-)

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• Is it possible to iterate all the OutputCache keys?

  - by Deane

  Is it possible to iterate the OutputCache keys? I know you can remove them individually via HttpResponse.RemoveOutputCacheItem(), but is there a way I can iterate all the keys to see what's in the collection? I searched through Object Viewer, but didn't see anything. Worst case, I can maintain my own index. Since I'm doing everything by VaryByCustom, they get "fed" through a method in global.asax. It just strikes me that there has to be a more elegant way of doing this.

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