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  • Decorator Pattern on List<T> for DataGridView

    - by elector
    Hi all, I would like to apply a Decorator on List class and be able to bind it to the WinForms DataGirdView. I would like to know what members of List i need to implement for this new class to be able to bind it to DataGrid. Some of the methods from List I would hide with my decorated class methods and others I would just call _decoratedList.Method(). Is this an option for implementing Decorator on List type? Decorator: public class MyCustomList : List<MyObject> { List<MyObject> _decoratedList; . . . }

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  • What is the correct way to add a subview to a new window, making it aware of its available window si

    - by favo
    Hi, This is some kind of a basic question: I am adding a new Subview to a window using: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { viewController = [[myViewController alloc] initWithNibName:@"myNib" bundle:nil]; [window addSubview:viewController.view]; This displays the view at 100% on the window, having the Clock overlaying some pixels of that view on top. Rotating makes the view aware of the clock and resizes it to begin correctly below the clock without any overlay. What is the correct way to add a subview to a new window, making it aware of its available window size?

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  • DIY HDTV Antenna Sticks To Your Window without Blocking the View

    - by Jason Fitzpatrick
    This DIY fractal-based HDTV antenna is cheap, easy to craft, and can be stuck unobtrusively on your window for better signal gains. Courtesy of HTPC-DIY, this simple build uses aluminum foil, a printed fractal pattern, clear plastic, and some basic hardware to create a lightweight and transparent antenna you can affix to a window without significantly blocking light from entering the window. Hit up the link below for the full build details as well as designs for other DIY antennas. DIY Flexible Fractal Window HDTV Antenna [via Hack A Day] HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux Hack Your Kindle for Easy Font Customization

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  • How to Change How Long Internet Explorer Keeps a List of Sites You Have Visited

    - by Taylor Gibb
    There is a handy feature in most modern browsers that allows you to go back and see what pages you have visited on a particular day. But what if you don’t want your browser to keep track of your browsing history? Here’s how to disable it. How To Play DVDs on Windows 8 6 Start Menu Replacements for Windows 8 What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives?

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  • How To View Upcoming Weather, Sports Games, TV Shows, and More in Google Calendar

    - by Chris Hoffman
    Google Calendar isn’t just a tool to keep track of your own events. You can subscribe to a number of special calendars that automatically update with the latest weather, sports games, air times for your favorite TV shows, and more. This is the sort of thing that a paper calendar could never do, and what makes digital calendars like Google Calendar so useful. Add some automatically updating calendars and you’ll wonder how people ever used paper calendars. HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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  • Build a view frustum from angles

    - by MulletDevil
    I have 4 angles, left, right, top & bottom. These angles are in degrees. They define the angle between the forward vector and the corresponding side. I am trying to use these to calculate the required values for Perseective Off Centre function found here http://docs.unity3d.com/Documentation/ScriptReference/Camera-projectionMatrix.html I tried doing (near plane-far plane) * Tan(angle) But that didn't give the correct results.

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  • Argument list too long and copying to Samba Share

    - by Copy Run Start
    Ubuntu 12.04 LTS 64 bit. I'm trying to make a scheduled task copy from a directory with thousands of files to a samba share (while skipping duplicates). I mapped my Samba share through the GUI. The command I tried: cp /home/security/Brick/* ~/.gvfs/"cam on atm-bak-01.local/Brick" -n I found this but I don't know how to change the syntax to what I need. find -maxdepth 1 -name '*.prj' -exec mv -t ../prjshp {} + Any hints are greatly appreciated.

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  • MIX10: Yet another way to view video content sessions using their OData feed

    Well, MIX10 is over. It was a great time to meet a lot of people and see friends from afar. As anyone knows, the networking is a HUGE part of being in-person at any conferencethat vibe, value and friendship cannot be matched online. But the sessions there were a TON of them. It is quite impossible to be in 3 places at one time. Thankfully the MIX team recorded all regular sessions and make them available for viewing online or offline. For you Silverlight developers here are my pics to ensure you...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • A quick list of all SharePoint 2010 Powershell commandlets

    - by Sahil Malik
    SharePoint 2010 Training: more information Ever wonder what powershell commandlets exist on your SharePoint 2010 installation? Easy! Just run the SharePoint 2010 Management Shell, and issue the following command - Get-Command -module Microsoft.SharePoint.PowerShell And if you wish to find matching commands for a certain task, for instance, I wish to know all commands that have anything to do with “Update”, I would issue the following command  - Get-Command -module Microsoft.SharePoint.PowerShell  | where{$_.name -match "Update"} And if you want to do exactly the same for stsadm, you could do something like this - Read full article ....

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  • Infinite loop when adding a row to a list in a class in python3

    - by Margaret
    I have a script which contains two classes. (I'm obviously deleting a lot of stuff that I don't believe is relevant to the error I'm dealing with.) The eventual task is to create a decision tree, as I mentioned in this question. Unfortunately, I'm getting an infinite loop, and I'm having difficulty identifying why. I've identified the line of code that's going haywire, but I would have thought the iterator and the list I'm adding to would be different objects. Is there some side effect of list's .append functionality that I'm not aware of? Or am I making some other blindingly obvious mistake? class Dataset: individuals = [] #Becomes a list of dictionaries, in which each dictionary is a row from the CSV with the headers as keys def field_set(self): #Returns a list of the fields in individuals[] that can be used to split the data (i.e. have more than one value amongst the individuals def classified(self, predicted_value): #Returns True if all the individuals have the same value for predicted_value def fields_exhausted(self, predicted_value): #Returns True if all the individuals are identical except for predicted_value def lowest_entropy_value(self, predicted_value): #Returns the field that will reduce <a href="http://en.wikipedia.org/wiki/Entropy_%28information_theory%29">entropy</a> the most def __init__(self, individuals=[]): and class Node: ds = Dataset() #The data that is associated with this Node links = [] #List of Nodes, the offspring Nodes of this node level = 0 #Tree depth of this Node split_value = '' #Field used to split out this Node from the parent node node_value = '' #Value used to split out this Node from the parent Node def split_dataset(self, split_value): fields = [] #List of options for split_value amongst the individuals datasets = {} #Dictionary of Datasets, each one with a value from fields[] as its key for field in self.ds.field_set()[split_value]: #Populates the keys of fields[] fields.append(field) datasets[field] = Dataset() for i in self.ds.individuals: #Adds individuals to the datasets.dataset that matches their result for split_value datasets[i[split_value]].individuals.append(i) #<---Causes an infinite loop on the second hit for field in fields: #Creates subnodes from each of the datasets.Dataset options self.add_subnode(datasets[field],split_value,field) def add_subnode(self, dataset, split_value='', node_value=''): def __init__(self, level, dataset=Dataset()): My initialisation code is currently: if __name__ == '__main__': filename = (sys.argv[1]) #Takes in a CSV file predicted_value = "# class" #Identifies the field from the CSV file that should be predicted base_dataset = parse_csv(filename) #Turns the CSV file into a list of lists parsed_dataset = individual_list(base_dataset) #Turns the list of lists into a list of dictionaries root = Node(0, Dataset(parsed_dataset)) #Creates a root node, passing it the full dataset root.split_dataset(root.ds.lowest_entropy_value(predicted_value)) #Performs the first split, creating multiple subnodes n = root.links[0] n.split_dataset(n.ds.lowest_entropy_value(predicted_value)) #Attempts to split the first subnode.

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  • Workspeace view shows first workspaces out of border at left

    - by Jeremi Roivas
    I am using nvidia-current and edited from settings my monitors so that my second monitor is at left and unity-panel shows only in my main monitor. How ever now the workspaces images have shifted so that second monitor first workpsaces are moved out of the left border and when the monitor is not turn on I can't see the the workspaces there. Sometimes programs have been moved when monitor is been flashed to the workspace shown in out of border and I have no means to move the program windows into my main workspace views. Image: http://but.fi/2em As you see the second monitor works as it should work but my main monitor is fooked. Is this possible way to fix this some how?

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  • Transform Two Lists into One Different List

    - by Ngu Soon Hui
    I have two lists of double List<double> X List<double> Y And I have a destination object: public class PointD { public double X {get;set;} public double Y {get;set;} } How to transform them into a single list? public static List<PointD> Transform(List<double> X, List<double> Y) { } All the errors checking must be there.

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  • Any way to list similar commands?

    - by Septagram
    When you write the command name wrong, bash often does this: septi@norbert:~$ good No command 'good' found, did you mean: Command 'gold' from package 'binutils' (main) Command 'gmod' from package 'gmod' (universe) Command 'goo' from package 'goo' (universe) Command 'god' from package 'god' (universe) Command 'geod' from package 'proj-bin' (universe) Command 'gord' from package 'scotch' (universe) good: command not found Or sometimes it does this: septi@norbert:~$ nftp No command 'nftp' found, but there are 23 similar ones nftp: command not found Is there any way to ask bash to show these 23 similar commands for me? And, is there a way to show similar commands, including those that aren't yet installed, instead of running the application, ftp for example?

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  • Unable to pass variables from one view to another

    - by jerincbus
    I have a detail view that includes three UIButtons, each of which pushes a different view on to the stack. One of the buttons is connected to a MKMapView. When that button is pushed I need to send the latitude and longitude variables from the detail view to the map view. I'm trying to add the string declaration in the IBAction: - (IBAction)goToMapView { MapViewController *mapController = [[MapViewController alloc] initWithNibName:@"MapViewController" bundle:nil]; mapController.address = self.address; mapController.Title = self.Title; mapController.lat = self.lat; mapController.lng = self.lng; //Push the new view on the stack [[self navigationController] pushViewController:mapController animated:YES]; [mapController release]; mapController = nil; } But I get this when I try to build: 'error: incompatible types in assignment' for both lat and lng variables. So my questions are am I going about passing the variables from one view to another the right way? And does the MKMapView accept latitude and longitude as a string or a number?

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  • The Top Ten Myths From a Search Engine Optimization Point of View

    There are hundreds, if not thousands of SEO myths that continue to fly around the internet, forums and blogs on a daily basis, with new ones being added all of the time. For anyone beginning in the world of SEO or looking to optimize their website, these myths can often be confusing, especially when you are looking for the truth and just want to make sure your website does well.

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  • XNA Rendering vertices that only appear within the cameras view

    - by user1157885
    I'm making a game in XNA and I recall hearing that professionally made games use a technique to only render the polygons that appear within the cameras projection. I've been trying to find something on this to do something similar in my game, could anyone point me in the right direction? Right now all I have is a plane/grid of vertices that you can set the X/Y on which is drawn using DrawUserIndexedPrimitives, but I plan to make a bunch of props as scenery items and I can imagine myself running into issues later on if I don't address this now. Thanks

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  • Backtracking infinite loop

    - by Greenhorn
    This is Exercise 28.1.2 from HtDP. I've successfully implemented the neighbors function and all test cases pass. (define Graph (list (list 'A (list 'B 'E)) (list 'B (list 'E 'F)) (list 'C (list 'D)) (list 'D empty) (list 'E (list 'C 'F)) (list 'F (list 'D 'G)) (list 'G empty))) (define (first-line n alist) (cond [(symbol=? (first alist) n) alist] [else empty])) ;; returns empty if node is not in graph (define (neighbors n g) (cond [(empty? g) empty] [(cons? (first g)) (cond [(symbol=? (first (first g)) n) (first-line n (first g))] [else (neighbors n (rest g))])])) ; test cases (equal? (neighbors 'A Graph) (list 'A (list 'B 'E))) (equal? (neighbors 'B Graph) (list 'B (list 'E 'F))) (equal? (neighbors 'C Graph) (list 'C (list 'D))) (equal? (neighbors 'D Graph) (list 'D empty)) (equal? (neighbors 'E Graph) (list 'E (list 'C 'F))) (equal? (neighbors 'F Graph) (list 'F (list 'D 'G))) (equal? (neighbors 'G Graph) (list 'G empty)) (equal? (neighbors 'H Graph) empty) The problem comes when I copy-paste the code from Figure 77 of the text. It is supposed to determine whether a destination node is reachable from an origin node. However it appears that the code goes into an infinite loop except for the most trivial case where the origin and destination nodes are the same. ;; find-route : node node graph -> (listof node) or false ;; to create a path from origination to destination in G ;; if there is no path, the function produces false (define (find-route origination destination G) (cond [(symbol=? origination destination) (list destination)] [else (local ((define possible-route (find-route/list (neighbors origination G) destination G))) (cond [(boolean? possible-route) false] [else (cons origination possible-route)]))])) ;; find-route/list : (listof node) node graph -> (listof node) or false ;; to create a path from some node on lo-Os to D ;; if there is no path, the function produces false (define (find-route/list lo-Os D G) (cond [(empty? lo-Os) false] [else (local ((define possible-route (find-route (first lo-Os) D G))) (cond [(boolean? possible-route) (find-route/list (rest lo-Os) D G)] [else possible-route]))])) Does the problem lie in my code? Thank you.

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  • Adding a list of "recent articles" affects SEO

    - by Groo
    We have a site which has a sidebar with sections (or "widgets" if you like) showing stuff like "Recent Articles", "Other Articles by this User", "Similar Articles" etc. The issue is, Google seems to take these links very seriously. In fact, if I have only a single article which is closely related to a certain phrase (and several other pages link to it in their sidebars), when I do a Google search, it lists all those other pages highlighting that one link to the page that should actually be the most relevant one. And these pages don't even mention the phrase anywhere else. It there a common approach with adding these sidebar links? For example, I might add them through ajax after the page is loaded, but then crawlers will have harder time finding them?

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  • TraceTune: Improved Comment View

    - by Bill Graziano
    I wanted an easier way to identify queries I’d already looked at so I could skip them.  I’ve been entering comments for each query as I review it.  These comments typically fall into three categories: a change I made, no easy fix available or something needs to be changed on the client.  TraceTune now highlights any statement with a comment in bold.  If you hover over the statement you’ll see the most recent comment for that statement. This gives me a quick way to see what’s new and identify those queries that still need work.  This is especially helpful when I come back to a server after weeks or months away.  These comments help jar my memory and remind me what I’ve worked on. I made the font slightly smaller in some of the tables.  It’s still readable but I’m able to get more of a SQL statement on the screen.  I also got to re-experience the pain of Internet Explorer, Chrome and FireFox all displaying text (and pop-up text) slightly different. Seeing the comments on a trace has been a big help to me.  I often do a round of tuning and then don’t come back to a server until months later.  Having the comments available helps me get back up to speed quickly.

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