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• How do I map a friendly name (e.g. www.example.com) to 127.0.0.1:port# on Mac OS X

  - by Fred Finkle

  I am trying to create a demo for a class of mine and I want to configure "fake" domain names on my laptop. A previous question "Can I specify a port in an entry in my /etc/hosts on OS X?" contained an answer indicating that to do it you must use /etc/hosts plus changes to the iptables "If OS X uses iptables you could point xyz.com to some ip in the hosts file like 157.166.226.25 and then: sudo iptables -t nat -A OUTPUT -p tcp --dport 80 -d 157.166.226.25 -j DNAT --to-destination 127.0.0.1:3000 " Since OS X doesn't use iptables, how do I do the equivalent using the tools available on OS X? (the original "asker" seemed to know how to do this, so it wasn't explained). Thanks in advance.

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• Different font SIZES in a Text Editor, based on Script(Alphabet) type (ie. per Unicode Code-Block)

  - by fred.bear

  Some non-Latin-based scripts(alphabets) have more detail in their glyphs than do the Latin-based-script equivalents, and typically need a larger font to give the same degree of legibility (resolution-wise). Sometimes, both script types need to be present in the same file. Notepad++ allows different font SIZES (and colour, etc) courtesy of syntax-highlighting. This allows me to display larger-fonted non-Latin-based script in a // BIG-FONT comment. Although this has been quite handy for me in some situations, it is quite limited. A Word Processor can handle this scenario, but I'm not interested in that. I want a nice simple(?) plain(?) Text Editor to do it... on a per script-type basis... eg. mixing Latin-1 and Devanagari (and Mandarin, and ... Such a thing may not exits, but Notepad++ has shown that a simple(?) plain(?) Text Editor is capable of it. Does anyone know of such a Text Editor? ...Q. Why not a Word Processor? ...A. Because GCC and Python don't like that format! but UTF-8 is fine.

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• Oracle Linux / Symantec Partnership

  - by Ted Davis

  Fred Astaire and Ginger Rogers sang the now famous lyrics:  “You like to-may-toes and I like to-mah-toes”. In the tech world, is it Semantic or is it Symantec? Ah, well, we know it’s the latter. Actually, who doesn’t know or hasn’t heard of Symantec in the tech world? Symantec is thoroughly engrained in Enterprise customer infrastructure from their Storage Foundation Suite to their Anti-Virus products. It would be hard to find anyone who doesn’t use their software. Likewise, Oracle Linux is thoroughly engrained in Enterprise infrastructure – so our paths cross quite a bit. This is why the Oracle Linux  engineering team works with Symantec to make sure their applications and agents are supported on Oracle Linux. We also want to make sure the Oracle Linux / Symantec customer experience is trouble free so customer work continues at the same blistering pace. Here are a few Symantec applications that are supported on Oracle Linux: Storage Foundation Netbackup Enterprise Server Symantec Antivirus For Linux Veritas Cluster Server Backup Exec Agent for Linux So, while Fred and Ginger may disagree on how to spell tomato, for our software customers, the Oracle / Symantec partnership works together so our joint customers experience and hear the sweet song of success.

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• Horse Drawn Fiber Optics Bring Broadband to Remote Areas

  - by Jason Fitzpatrick

  When you think of fiber optics and high speed internet the last thing you likely think of is… horses. Yet horses have been put to use rolling out fiber optics to remote rural locations. In Vermont a Belgium draft horse named Fred, seen in the photo above being tended by his handler Claude, is a distinctly 19th century solution to a 21st century problem; how to run fiber optic cable through remote areas where trucks cannot easily pass. The man and animal are indispensable to cable and phone-service provider FairPoint Communications because they easily can access hard-to-reach job sites along country roads, which bulky utility trucks often cannot. “It just saves so much work – it would take probably 15 guys to do what Fred and Claude can do,” said Paul Clancy, foreman of a line crew from FairPoint. “They can pull 5,000 feet of cable with no sweat.” You can read more about the use of draft horses to draw lines and the roll out of broadband to rural Vermont at the link below. Vermont Uses Draft Horse to Lay Cables for Internet Access [Reuters] How To Encrypt Your Cloud-Based Drive with BoxcryptorHTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)

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• Using DefaultCredentials and DefaultNetworkCredentials

  - by Fred

  Hi, We're having a hard time figuring how these credentials objects work. In fact, they may not work how we expected them to work. Here's an explanation of the current issue. We got 2 servers that needs to talk with each other through webservices. The first one (let's call it Server01) has a Windows Service running as the NetworkService account. The other one (Server02) has ReportingServices running with IIS 6.0. The Windows Service on Server01 is trying to use the Server02's ReportingServices' WebService to generate reports and send them by email. So, here's what we tried so far. Setting the credentials at runtime (This works perfectly fine): rs.Credentials = new NetworkCredentials("user", "pass", "domain"); Now, if we could use a generic user all would be fine, however... we are not allowed to. So, we are trying to use the DefaultCredetials or DefaultNetworkCredentials and pass it to the RS Webservice: `rs.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials OR `rs.Credentials = System.Net.CredentialCache.DefaultCredentials Either way won't work. We're always getting 401 Unauthrorized from IIS. Now, what we know is that if we want to give access to a resource logged as NetworkService, we need to grant it to "DOMAIN\MachineName$" (http://msdn.microsoft.com/en-us/library/ms998320.aspx): Granting Access to a Remote SQL Server If you are accessing a database on another server in the same domain (or in a trusted domain), the Network Service account's network credentials are used to authenticate to the database. The Network Service account's credentials are of the form DomainName\AspNetServer$, where DomainName is the domain of the ASP.NET server and AspNetServer is your Web server name. For example, if your ASP.NET application runs on a server named SVR1 in the domain CONTOSO, the SQL Server sees a database access request from CONTOSO\SVR1$. We assumed that granting access the same way with IIS would work. However, it does not. Or at least, something is not set properly for it to authenticate correctly. So, here are some questions: We've read about "Impersonating Users" somewhere, do we need to set this somewhere in the Windows Service ? Is it possible to grant access to the NetworkService built-in account to a remote IIS server ? Thanks for reading!

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• Redmine error undefined local variable 'usage' when recieving email

  - by fred

  I posted this on the Redmine forum about 20 days ago but am having no luck finding an answer, so I thought I'd see if I can find some love here: Somewhere during an upgrade to RM I lost the ability to have RM receive email. It was running just beautifully on 8.5. Some while back I upgraded and was not using the receive email feature for some time. At 9.2 and, now, 0.9.3.stable.3625, I'm getting an error in the procmail.log file: undefined local variable or method `usage' for #<RedmineMailHandler:0x6c14d34bb0a0> (NameError) I have a SVN install and used it, just tonight, to update the the 9.3 stable version. I walked through all the upgrade steps and everything seems to work fine, except for this. In rdm-redminehandler.rb I commented out the offending 'usage' line and got another error: 422 Unprocessable Entity

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• Brute force characters into a textbox in c#

  - by Fred Dunly

  Hey everyone, I am VERY new to programming and the only language I know is C# So I will have to stick with that... I want to make a program that "test passwords" to see how long they would take to break with a basic brute force attack. So what I did was make 2 text boxes. (textbox1 and textbox2) and wrote the program so if the text boxes had the input, a "correct password" label would appear, but i want to write the program so that textbox2 will run a brute force algorithm in it, and when it comes across the correct password, it will stop. I REALLY need help, and if you could just post my attached code with the correct additives in it that would be great. The program so far is extremely simple, but I am very new to this, so. Thanks in advance. private void textBox2_TextChanged(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { if (textBox2.Text == textBox1.Text) { label1.Text = "Password Correct"; } else { label1.Text = "Password Wrong"; } } private void label1_Click(object sender, EventArgs e) { } } } `

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• Parsing an MS Project 2007 xml project file.

  - by fred-22

  Has anyone got any idea how to read the XML file saved by MS Project 2007? The standard binary format is .MPP but I'd like to view a project in a different viewer. I've saved the project spec as XML and the viewer I'm using needs the parent task Id for each task. Where can i find that in the rather huge amount of XML data created by ms project?

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• Adding an attribute to a class by using properties editor

  - by Fred Yang

  Visual studio allows you to design component visually. For example, you are designing a windows form. You change its property in the properties editor. The IDE will generate the code in a partial class in xx.designer.cs file. We can customize this behavior by changing the UITypeEditor for the properties. The question now is , Can we extend this code generation behavior? for example, we change a setting in property window, and then the IDE will add an .net Attribute to the class? Thanks

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• What is purpuse of T4 Generator in T4toolbox

  - by Fred Yang

  I am using T4toolbox, I am confused what the generator is for. I can run the following public class Generator1 : Generator { protected override void RunCore() { Template1 t = new Template1(); t.Output.File = "t3.txt"; t.Render(); } } or I can run t4 script directly like the following. Template1 t = new Template1(); t.Output.File = "t3.txt"; t.Render(); But I can do the same using t4 script without generator as well. So I mean can do the same thing with two approach "script -- generator -- template" and "script -- template", am I missing something? Thanks

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• Recommendation for a Strategy Game Engine for .NET?

  - by Fred F.

  Can anyone recommend a strategy game engine for the .net framework. I downloaded XNA, but it is way beyond my needs. I just want to create a turn based strategy game. I have searched and searched, but all I cannnot find any examples. I have asked for something similiar before, but have not gotten any good answers.

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• format ugly c# source code

  - by Fred F.

  I found a C# game http://www.codeproject.com/KB/game/BattleField.aspx that does what I need to learn. The source code is not formatted good and hard to follow. I used visual studios format document, but the format is still bad. How do I reformat the source code to make it easer to read?

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• Compute average distance from point to line segment and line segment to line segment

  - by Fred

  Hi everyone, I'm searching for an algorithm to calculate the average distance between a point and a line segment in 3D. So given two points A(x1, y1, z1) and B(x2, y2, z2) that represent line segment AB, and a third point C(x3, y3, z3), what is the average distance between each point on AB to point C? I'm also interested in the average distance between two line segments. So given segment AB and CD, what is the average distance from each point on AB to the closest point on CD? I haven't had any luck with the web searches I've tried, so any suggestions would be appreciated. Thanks.

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• Multiple SFINAE rules

  - by Fred

  Hi everyone, After reading the answer to this question, I learned that SFINAE can be used to choose between two functions based on whether the class has a certain member function. It's the equivalent of the following, just that each branch in the if statement is split into an overloaded function: template<typename T> void Func(T& arg) { if(HAS_MEMBER_FUNCTION_X(T)) arg.X(); else //Do something else because T doesn't have X() } becomes template<typename T> void Func(T &arg, int_to_type<true>); //T has X() template<typename T> void Func(T &arg, int_to_type<false>); //T does not have X() I was wondering if it was possible to extend SFINAE to do multiple rules. Something that would be the equivalent of this: template<typename T> void Func(T& arg) { if(HAS_MEMBER_FUNCTION_X(T)) //See if T has a member function X arg.X(); else if(POINTER_DERIVED_FROM_CLASS_A(T)) //See if T is a pointer to a class derived from class A arg->A_Function(); else if(DERIVED_FROM_CLASS_B(T)) //See if T derives from class B arg.B_Function(); else if(IS_TEMPLATE_CLASS_C(T)) //See if T is class C<U> where U could be anything arg.C_Function(); else if(IS_POD(T)) //See if T is a POD type //Do something with a POD type else //Do something else because none of the above rules apply } Is something like this possible? Thank you.

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• CSS "color" vs. "font-color"

  - by Fred Wilson

  Anyone know why CSS provides "color:" for text, but does not have "font-color:" or "text-color:"? Seems very counter-intuitive.. kind of like "text-decoration: bold" rather than "font-style: ". I must be new here. :o) Seriously, does anyone know why/how the w3c came up with such a wide array of CSS names like this?

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• UriBuilder incorrectly encoding Query Parameters value ?

  - by Fred

  Lets consider the following code sample where a path and single parameter are encoded... Parameter name: "param" Parameter value: "foo/bar?aaa=bbb&ccc=ddd" (happens to be a url with query parameters) String test = UriBuilder.fromPath("https://dummy.com"). queryParam("param", "foo/bar?aaa=bbb&ccc=ddd"). build().toURL().toString(); The encoded URL string returned is: "https://dummy.com?param=foo/bar?aaa%3Dbbb&ccc%3Dddd" Is this correct ? Should not the character "&" (and may be even "?") be encoded in the parameter value string ? Would not the URL produced be interpreted as follow: One first parameter, name="param", value = "ar?aaa%3Dbbb" followed by a second parameter, name="ccc%3Dddd", without value.

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• Should I use Call keyword in VB/VBA?

  - by Fred Loyant

  I use the Call keyword used when calling subs in VB/VBA. I know it's optional, but is it better to use it or leave it off? I've always thought it was more explicit, but maybe it's just noise. Also, I read this on another forum: Using the Call keyword is faster because it knows that it is not going to return any values, so it doesn't need to set up any stackspace to make room for the return value.

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• Open Graph & Rails not retrieving object's URL

  - by Fred

  I'm using Rails to try and add an action for an object both defined for my app on the open graph. I am using an :after_filter in my controller to call the following after session#create: @graph.put_connections('me', 'workkout:complete', :session => url_for([@plan, @session])) I am getting the following back from Facebook: {"error":{"type":"Exception","message":"Could not retrieve data from URL.","code":1660002}} I have checked that the correct URL is passed to put_connections, and when I visit this URL using Facebook's Lint tool, everything is correct. I can't understand why this isn't working, my only thought is that Facebook is hitting the URL moments before rails has generated the object? - not sure if that's even possible though. Can anyone shed any light on this?

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• What version control system is best designed to *prevent* concurrent editing?

  - by Fred Hamilton

  We've been using CVS (with TortoiseCVS interface) for years for both source control and wide-ranging document control (including binaries such as Word, Excel, Framemaker, test data, simulation results, etc.). Unlike typical version control systems, 99% of the time we want to prevent concurrent editing - when a user starts editing a file, the pre-edit version of the file becomes read only to everyone else. Many of the people who will be using this are not programmers or even that computer savvy, so we're also looking for a system that let's people simply add documents to the repository, check out and edit a document (unless someone else is currently editing it), and check it back in with a minimum of fuss. We've gotten this to work reasonably well with CVS + TortoiseCVS, but we're now considering Subversion and Mercurial (and open to others if they're a better fit) for their better version tracking, so I was wondering which one supported locking files most transparently. For example, we'd like exclusive locking enabled as the default, and we want to make it as difficult as possible for someone to accidentally start editing a file that someone else has checked out. For example when someone checks out a file for editing, it checks with the master database first even if they have not recently updated their sandbox. Maybe it even won't let a user check out a document if it's off the network and can't check in with the mothership.

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• Support for VB.NET's Imported Namespaces feature in C#

  - by Fred F.

  I am use to VB.NET. The game source code I am learning from is written in C#. I find it annoying that I have to add using System.Diagnostics to the source code in order to type Debug.WriteLine.... I checked under project properties, but I cannot find the References tab that allows me to add namespaces to Imported Namespaces. Where do I find this in C#? Also, why can't I do this in C#? Imports x = System.Math

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• Open Source 2D Tile Engine for Hexagon Maps for .NET

  - by Fred F.

  Hello, I cannot find a 2D tile engine to create hexagon maps for .net. The best I can find is Xconq (http://sourceforge.net/projects/xconq/) and pygame. Does anybody where I can find any? preferrably one like xconq. Thank you for your time and effort. I really apprecate it.

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• Insertions into Zipper trees on XML files in Clojure

  - by ivar

  I'm confused as how to idiomatically change a xml tree accessed through clojure.contrib's zip-filter.xml. Should be trying to do this at all, or is there a better way? Say that I have some dummy xml file "itemdb.xml" like this: <itemlist> <item id="1"> <name>John</name> <desc>Works near here.</desc> </item> <item id="2"> <name>Sally</name> <desc>Owner of pet store.</desc> </item> </itemlist> And I have some code: (require '[clojure.zip :as zip] '[clojure.contrib.duck-streams :as ds] '[clojure.contrib.lazy-xml :as lxml] '[clojure.contrib.zip-filter.xml :as zf]) (def db (ref (zip/xml-zip (lxml/parse-trim (java.io.File. "itemdb.xml"))))) ;; Test that we can traverse and parse. (doall (map #(print (format "%10s: %s\n" (apply str (zf/xml-> % :name zf/text)) (apply str (zf/xml-> % :desc zf/text)))) (zf/xml-> @db :item))) ;; I assume something like this is needed to make the xml tags (defn create-item [name desc] {:tag :item :attrs {:id "3"} :contents (list {:tag :name :attrs {} :contents (list name)} {:tag :desc :attrs {} :contents (list desc)})}) (def fred-item (create-item "Fred" "Green-haired astrophysicist.")) ;; This disturbs the structure somehow (defn append-item [xmldb item] (zip/insert-right (-> xmldb zip/down zip/rightmost) item)) ;; I want to do something more like this (defn append-item2 [xmldb item] (zip/insert-right (zip/rightmost (zf/xml-> xmldb :item)) item)) (dosync (alter db append-item2 fred-item)) ;; Save this simple xml file with some added stuff. (ds/spit "appended-itemdb.xml" (with-out-str (lxml/emit (zip/root @db) :pad true))) I am unclear about how to use the clojure.zip functions appropriately in this case, and how that interacts with zip-filter. If you spot anything particularly weird in this small example, please point it out.

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• sql to xml using linq - nested collections

  - by nelsonwebs

  I have a table of data that looks something like this. name, hour, price1, price2, price3, price4, price5 fred, 3, 12.5, 13.5, 14, 15, 16 dave, 6, 8, 12, 18, 20.2, 25 fred, 6, 10, 11, 14, 15, 19.7 This table needs to be output to an xml file that looks like this. <timeCost> <person name="fred"> <time hour="5"> <cost price="12.5" /> <cost price="13.5" /> <cost price="14" /> <cost price="15" /> <cost price="16" /> </time> <time hour="6"> <cost price="10" /> <cost price="11" /> <cost price="14" /> <cost price="15" /> <cost price="19.7" /> </time> </person> <person name="dave"> <time hour="6"> <cost price="8" /> <cost price="12" /> <cost price="18" /> <cost price="20.2" /> <cost price="25" /> </time> </person> </timeCost> I have a linq query to get the data from SQL something like this. // initialize data context var people = from p in dc.people orderby p.name, p.hour select p; However, I'm having trouble writing the xml out using linq (csharp). Specifically, the problem is I don't know how to deal with having multiple time nodes under each name node (nested loops/collections). How can this be done? This is a sql 08 ent db if it matters to anyone.

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• Help Understanding Function

  - by Fred F.

  What does the following function perform? public static double CleanAngle(double angle) { while (angle < 0) angle += 2 * System.Math.PI; while (angle > 2 * System.Math.PI) angle -= 2 * System.Math.PI; return angle; } This is how it is used with ATan2. I believe the actually values passed to ATan2 are always positive. static void Main(string[] args) { int q = 1; //'x- and y-coordinates will always be positive values //'therefore, do i need to "clean"? foreach (Point oPoint in new Point[] { new Point(8,20), new Point(-8,20), new Point(8,-20), new Point(-8,-20)}) { Debug.WriteLine(Math.Atan2(oPoint.Y, oPoint.X), "unclean " + q.ToString()); Debug.WriteLine(CleanAngle(Math.Atan2(oPoint.Y, oPoint.X)), "cleaned " + q.ToString()); q++; } //'output //'unclean 1: 1.19028994968253 //'cleaned 1: 1.19028994968253 //'unclean 2: 1.95130270390726 //'cleaned 2: 1.95130270390726 //'unclean 3: -1.19028994968253 //'cleaned 3: 5.09289535749705 //'unclean 4: -1.95130270390726 //'cleaned 4: 4.33188260327232 }

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• ModalPopupExtender closing as soon as it opens

  - by Fred

  Hi, I'm trying to use the AjaxToolkit's ModalPopupExtender, but it doesn't work. In fact, as soon as it opens, it's getting closed. So I can see that it is rendered, but it's getting closed in the second. I tried that with IE6 and Firefox 3, it does the samething. Here's the code: <AjaxControlToolkit:ModalPopupExtender ID="ModalPopupExtender1" TargetControlID="ButtonTarget" PopupControlID="Panel1" OkControlID="ButtonOk" CancelControlID="ButtonCancel" BackgroundCssClass="modal-background" runat="server"> </AjaxControlToolkit:ModalPopupExtender> <asp:Panel ID="Panel1" Style="display: none;" runat="server"> <%-- some stuff... --%> </asp:Panel>

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