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• New Key for expired certificate?

  - by aglassman

  I need to create a new certificate for an internal server. It is self signed. Is there an easy way to just extend the expiration date of the current certificate? If not, can I reuse the current key, or do I need to generate a new one? I'll be using Java keytool. All info I can find online it looks like I need to create a new keystore, but I'd rather skip that step if possible just to keep things simple.

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• Controlling access to my API using SSH public key (not SSL)

  - by tharrison

  I have the challenge of implementing an API to be consumed by relatively non-technical clients -- pasting some sample code into their WordPress or homegrown PHP site is probably as much as we can ask. Asking them to install SSL on their servers ain't happening. So I am seeking a simple yet secure way to authenticate API clients. OAuth is the obvious solution, but I don't think it passes the "simple" test. Adding a client id and hashed secret as a parameter to the requests is closer -- it's not hard to do md5($secret . $client_id) or whatever the php would be. It seems to me that if client requests could use the same approach as SSH public keys (client gives us a key from their server(s) there should be some existing magic to make all of the subsequent transactions transparently work just as regular HTTP API requests. I am still working this out (obviously :-), so if I am being an idiot, it would be nice to know why. Thanks!

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• Remap control key in gnome-terminal?

  - by Colin

  I just installed Ubuntu to get more familiar with it since I'll be using it in a new job shortly. I use Macs at home and in my current job, so I'd like to make it as Mac-like as possible. I've remapped the command and control characters using the following .xmodmap: remove control = Control_L Control_R remove mod4 = Super_L Super_R add control = Super_L Super_R add mod4 = Control_L Control_R Which works great for everything except the terminal, since Ctrl-C is now mapped to CMD-C, and still conflicts with what I'd like to use to copy. Is there any way I can remap the Control key just for the terminal? I'm willing to consider gnome-terminal alternatives if required.

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• Speedup of fixing an openssl bug with 8192 bit key [on hold]

  - by rubo77

  This is related to this Bug-Report https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=747453 OpenSSL contains a set of arbitrary limitations on the size of accepted key parameters that make unrelated software fail to establish secure connections. The problem was found while debugging a XMPP s2s connection issue where two servers with long certificate keys (8192 Bit RSA) failed to establish a secure connection because OpenSSL rejected the handshake. This seems to be a small problem to be fixed but although there is an easy patch available to fix the issue in that bug report, no reactions are noticed so far.. The last patch that broke the 2048 barrier took 2 years to be implemented and only resulted in an increase to 4096bit, which seems to be a bad joke. Where would we have to report this to speed up the implementation for such an issue?

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• Windows 8 delete key always delete file permanently

  - by imgen

  Don't know why, but now my Delete key works the same as Shift + Delete which shows a 'Do you want to delete XXX permanently dialog. And it does not go through Recycle Bin anymore. How so? I am using the Windows 8 x64 edition. Update: My recycle bin setting is fine, that's why this is tricky. But the "Display delete confirmation dialog" check is checked and grayed out. That's one bit that is. The radio button of "Don't move files to recycle bin" is not checked.

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• Setup SSH key per user for Git access

  - by ThatGuyJJ

  I'm setting up a site that will have multiple development instances running on the same server. Essentially, we'd have dev-a.whatever.com, dev-b.whatever.com, etc.. all running off a single server. I want to give each user some bit of SSH access in order to update and check in code from our Git repository and to manage files via SFTP. However, I want to restrict each user to their own site as well. So if you have access to dev-a.whatever.com, you don't also have access to dev-b.whatever.com and so on. The restriction is already in place if I login via FTP as a certain user, I can't navigate outside my own site -- but if I grant SSH access to that account I can immediately navigate to any file on the server in SFTP. Is RSSH part of the solution? And how can I assign the correct SSH pub key to the corresponding user? We're using BeanStalk for our Git repository management if that makes any impact.

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• iPhone Store Kit returning invalid product ID errors

  - by EToreo

  Hello, I am trying to test In App Purchases on my iPhone and running into a problem where the product IDs I request information for end up being returned to me as invalid product IDs in the "didRecieveResponse" method. I have: Created an in store product associated with this app. It's bundle ID matches everything else. It has been cleared for sale and approved by the developer. Made sure my new provisioning profile has in store app purchases enabled and it has the full app name: "com.domain.appname" Made sure this is the provisioning profile being used to sign the app to my iPhone. Made sure that "com.domain.appname" is the app ID used to build the provisioning profile. Made sure that "com.domain.appname" is used in my plist file as the bundle identifier. Everything seems to be in place, however I still get my products returned to me as invalid IDs. This is the code I am using: - (void)requestProductData { SKProductRequest *request = [[SKProductsRequest alloc] initWithProductIdentifiers: [NSSet setWithObject: @"com.domain.appname.productid"]]; request.delegate = self; [request start]; } - (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response { NSArray *myProducts = response.products; NSArray *myInvalidProducts = response.invalidProductIdentifiers; for(int i = 1; i < myInvalidProducts.count; ++i) { std::cout <<"invalid product id = " << [[myInvalidProducts objectAtIndex:i] UTF8String] << std::endl; } for(int i = 0; i < myProducts.count; ++i) { SKProduct * myProduct = [myProducts objectAtIndex:i]; std::cout << "Product Info:" << std::endl; std::cout << "\tlocalizedTitle = " << [[myProduct localizedTitle] UTF8String] << std::endl; std::cout << "\tlocalizedDescription = " << [[myProduct localizedDescription] UTF8String] << std::endl; std::cout << "\tproductIdentifier = " << [[myProduct productIdentifier] UTF8String] << std::endl; std::cout << "\tprice = " << [[myProduct price] doubleValue] << std::endl; std::cout << "\tpriceLocale = " << [myProduct priceLocale] << std::endl; } [request autorelease]; } All my product IDs show up in the invalid printouts and none of them show up in the "Product Info:" printouts. Any suggestions would be greatly appreciated... P.S. Yes, this is built as Objective-c/c++.

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• jquery loop to create elements with retained values

  - by Andy Simpson

  Dear all, I recently asked a question about creating elements with jquery. Specifically I needed input boxes created/deleted depending on the value of a particular select box. This was answered quickly with a very nice solution as follows: $('select').change(function() { var num = parseInt($(this).val(), 10); var container = $('<div />'); for(var i = 1; i <= num; i++) { container.append('<input id="id'+i+'" name="name'+i+'" />'); } $('somewhere').html(container); }); This works very well. Is there a way to have the values remaining in the text boxes when the selection is changed? For example, lets say the select element value is set to '2' so that there are 2 input boxes showing. If there is input already entered in these boxes and the user changes the select element value to '3' is there a way to get the first 2 input boxes to retain their value? Thanks for the help in advance Andy

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• Database design for credit based purchases

  - by FreshCode

  I need an elegant way to implement credit-based purchases for an online store with a small variety of products which can be purchased using virtual credit or real currency. Alternatively, products could only be priced in credits. Previous work I have implemented credit-based purchasing before using different product types (eg. Credit, Voucher or Music) with post-order processing to assign purchased credit to users in the form of real currency, which could subsequently be used to discount future orders' charge totals. This worked fairly well as a makeshift solution, but did not succeed in disconnecting the virtual currency from the real currency, which is what I'd like to do, since spending credits is psychologically easier for customers than spending real currency. Design I need guidance on designing the database correctly with support for the simultaneous bulk purchase of credits at a discount along with real currency products. Alternatively, should all products be priced in credits and only credit have a real currency value? Existing Database Design Partial Products table: ProductId Title Type UnitPrice SalePrice Partial Orders table: OrderId UserId (related to Users table, not shown) Status Value Total Partial OrderItems table (similar to CartItems table): OrderItemId OrderId (related to Orders table) ProductId (related to Products table) Quantity UnitPrice SalePrice Prospective UserCredits table: CreditId UserId (related to Users table, not shown) Value (+/- value. Summed over time to determine saldo.) Date I'm using ASP.NET MVC and LINQ-to-SQL on a SQL Server database.

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• Class; Struct; Enum confusion, what is better?

  - by Angel Brighteyes

  I have 46 rows of information, 2 columns each row ("Code Number", "Description"). These codes are returned to the client dependent upon the success or failure of their initial submission request. I do not want to use a database file (csv, sqlite, etc) for the storage/access. The closest type that I can think of for how I want these codes to be shown to the client is the exception class. Correct me if I'm wrong, but from what I can tell enums do not allow strings, though this sort of structure seemed the better option initially based on how it works (e.g. 100 = "missing name in request"). Thinking about it, creating a class might be the best modus operandi. However I would appreciate more experienced advice or direction and input from those who might have been in a similar situation. Currently this is what I have: class ReturnCode { private int _code; private string _message; public ReturnCode(int code) { Code = code; } public int Code { get { return _code; } set { _code = value; _message = RetrieveMessage(value); } } public string Message { get { return _message; } } private string RetrieveMessage(int value) { string message; switch (value) { case 100: message = "Request completed successfuly"; break; case 201: message = "Missing name in request."; break; default: message = "Unexpected failure, please email for support"; break; } return message; } }

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• Publishing a game -- any way to target both WP7 and Win8 Store?

  - by Rei Miyasaka

  I'm at a dilemma which seems should soon become an important issue for a lot of developers. If I build a game in XNA, I won't be able to publish it on the Windows 8 Store, as it would be a classic application -- and classic applications can't be sold on the store. If I build a game in Metro DirectX, I would be able to sell it on the Store, but porting it to Windows Phone would involve porting it to Reach XNA, which in fact would likely involve more effort even than porting to OS X or Android -- both of which support C++. Of all the WinRT API that is supported on C++/JS/.NET, DirectX can only be programmed from C++. It's also unlikely that Microsoft will update Windows 7 or Vista to support the new DirectX features, although that would make the Metro DirectX the first new version of DirectX to stop supporting the immediate predecessor OS. If I build a game in Pre-Win8 DirectX 9/10/11, I won't be able to sell it on the Windows Store or Windows Phone, but I could sell it on something like Steam. It would also involve the most amount of manual plumbing. In fact, DirectWrite, despite being part of DirectX 11, doesn't talk to Direct3D. I'm getting really tired of all these restrictions -- artificial and otherwise -- and I'm coming to a point where I'm considering switching to a platform with a less fragmented API, like Android or Mac/iOS. As far as bringing a game into market goes, excluding the actual market share of any platforms that I might consider, what other factors would help me in making a decision? Just a few years ago this question was a lot easier to answer: if you were primarily concerned with Windows platforms, all you had to answer was whether you wanted DirectX, XNA, or something like SlimDX. If you made the wrong decision, no biggie -- all you really would have lost is XBox and the fairly small Windows Phone market.

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• Trying to make a game with C++, using lists to store bullets and enemies, but they are not erased

  - by XD_dued

  I've been trying to make a pretty simple space shooter game with C++, and I have been having a lot of trouble trying to use lists to store enemies and bullets. Basically I followed the post here almost exactly to store my bullets: SDL Bullet Movement I've done something similar to store my enemies. However, when I call bullets.erase(it++), for some reason the bullet is not erased. When the bullet movement is run for the next frame, it tries to re delete the bullet and segfaults the program. When I comment out the erase line, it runs fine, but the bullets are then never erased from the list... Is there any reason why the elements of the list aren't being deleted? I also set it up to print the number of elements in the list for every iteration, and it does not go down after deleting. Thanks! EDIT: Here's the specific code I'm using to store my enemies and having them act: std::list<Grunt*> doGrunts(std::list<Grunt*> grunts) { for(std::list<Grunt*>::iterator it = grunts.begin(); it != grunts.end();) { if((*it)->getHull() == 0) { delete * it; grunts.erase(it++); } else { (**it).doUnit(grunts, it); ++it; } } } Grunt is my enemy class, and the list grunts is a global variable. Is that my problem? When I pass the global into the function it becomes local? I assumed lists would be a reference type so thought this wouldn't be a problem. Sorry if this was a dumb question, I'm very new to C++, this is the first major thing I'm working on.

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• Where to store Android preference keys?

  - by pixel

  When I create preference activity I define all preferences in xml file. Every preference has a key defined in this xml. But when I access preference I write: SharedPreferences appPreferences = PreferenceManager.getDefaultSharedPreferences(this); boolean foo_value = appPreferences.getBoolean("foo_key_defined_in_xml", false); Is there any way to avoid acessing "foo_key_defined_in_xml" in hard-coded way? Maybe there is a possibility to access it in R style way?

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• web.config 1.0 and 3.5

  - by kareemsaad

  I had aproblem I had two web site one of them with .net 3.5 and other with 1.0 and I want to run 1.0 in 3.5 but I couldnot and i tried to copy some section from 1.0 to 3.5 as I copied this section <add key="ConnectionString" value="data source=.;persist security info=True;user id=Sharp;Password=#Sharp;initial catalog=Sharp" /> <add key="ACProduct_Upload" value="SiteUploads/ACProducts/" /> <add key="ACPDF_Upload" value="SiteUploads/ACPDF/" /> <add key="ACCertifications_Upload" value="SiteUploads/ACCertifications/" /> <add key="Certifications_Upload" value="SiteUploads/Certifications/" /> <add key="flash" value="flash/" /> <add key="Product_Upload" value="SiteUploads/Products/" /> <add key="PDF_Upload" value="SiteUploads/PDF/" /> <add key="HTML_Upload" value="SiteUploads/HTML_Uploads/" /> <add key="WallPaper_Upload" value="SiteUploads/WallPapers/" /> <add key="News_Upload" value="SiteUploads/News/" /> <add key="mailserver" value="111.111.1.1" /> <add key="fromEmail" value="[email protected]" /> </appSettings> to 3.5 here <add key="ACProduct_Upload" value="SiteUploads/ACProducts/" /> <add key="ACPDF_Upload" value="SiteUploads/ACPDF/" /> <add key="ACCertifications_Upload" value="SiteUploads/ACCertifications/" /> <add key="Certifications_Upload" value="SiteUploads/Certifications/" /> <add key="flash" value="flash/" /> <add key="Product_Upload" value="SiteUploads/Products/" /> <add key="PDF_Upload" value="SiteUploads/PDF/" /> <add key="HTML_Upload" value="SiteUploads/HTML_Uploads/" /> <add key="WallPaper_Upload" value="SiteUploads/WallPapers/" /> <add key="News_Upload" value="SiteUploads/News/" /> <add key="mailserver" value="192.168.6.3" /> <sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/> <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/> <section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/> <section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/> <section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/> </sectionGroup> </sectionGroup> </sectionGroup> <add name="Sharp" connectionString="Data Source=.;Initial Catalog=SharpHA;User ID=SharpHA;Password=#SharpHA;" providerName="System.Data.SqlClient"/> </connectionStrings> but this problem apear Only one element allowed per config file and if present must be the first child of the root element. please any one help me

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• Suppress Null Value Types from Being Emitted by XmlSerializer

  - by Ben Griswold

  Please consider the following Amount value type property which is marked as a nullable XmlElement: [XmlElement(IsNullable=true)] public double? Amount { get ; set ; } When a nullable value type is set to null, the C# XmlSerializer result looks like the following: <amount xsi:nil="true" /> Rather than emitting this element, I would like the XmlSerializer to suppress the element completely. Why? We're using Authorize.NET for online payments and Authorize.NET rejects the request if this null element exists. The current solution/workaround is to not serialize the Amount value type property at all. Instead we have created a complementary property, SerializableAmount, which is based on Amount and is serialized instead. Since SerializableAmount is of type String, which like reference types are suppressed by the XmlSerializer if null by default, everything works great. /// <summary> /// Gets or sets the amount. /// </summary> [XmlIgnore] public double? Amount { get; set; } /// <summary> /// Gets or sets the amount for serialization purposes only. /// This had to be done because setting value types to null /// does not prevent them from being included when a class /// is being serialized. When a nullable value type is set /// to null, such as with the Amount property, the result /// looks like: &gt;amount xsi:nil="true" /&lt; which will /// cause the Authorize.NET to reject the request. Strings /// when set to null will be removed as they are a /// reference type. /// </summary> [XmlElement("amount", IsNullable = false)] public string SerializableAmount { get { return this.Amount == null ? null : this.Amount.ToString(); } set { this.Amount = Convert.ToDouble(value); } } Of course, this is just a workaround. Is there a cleaner way to suppress null value type elements from being emitted?

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• How can I store HTML in a Doctrine YML fixture

  - by argibson

  I am working with a CMS-type site in Symfony 1.4 (Doctrine 1.2) and one of the things that is frustrating me is not being able to store HTML pages in YML fixtures. Instead I have to create SQL backups of the data if I want to drop and rebuild which is a bit of a pest when Symfony/Doctrine has a fantastic mechanism for doing exactly this. I could write a mechanism that reads in a set of HTML files for each page and fills the data in that way (or even write it as a task). But before I go down that road I am wondering if there is any way for HTML to be stored in a YML fixture so that Doctrine can simply import it into the database. Update: I have tried using symfony doctrine:data-dump and symfony doctrine:data-load however despite the dump correctly creating the fixture with the HTML, the load task appears to 'skip' the value of the column with the HTML and enters everything else into the row. In the database the field doesn't show up as 'NULL' but rather empty so I believe Doctrine is adding the value of the column as ''. Below is a sample of the YML fixture that symfony doctrine:data-dump created. I have tried running symfony doctrine:data-load against various forms of this including removing all the escaped characters (new lines and quotes leaving only angle brackets) but it still doesn't work. Product_69: name: 'My Product' Developer: Developer_30 tagline: 'Text that briefly describes the product' version: '2008' first_published: '' price_code: A79 summary: '' box_image: '' description: "<div id=\"featureSlider\">\n <ul class=\"slider\">\n <li class=\"sliderItem\" title=\"Summary\">\n <div class=\"feature\">\n Some text goes in here</div>\n </li>\n </ul>\n </div>\n" is_visible: true

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• get value of checked[ALL] or unchecked box jquery

  - by python

  I have read this. http://stackoverflow.com/questions/2048485/jquery-checkbox <input type="checkbox" name="checkGroup" id="all"> <input type="checkbox" name="checkGroup" id="one" value="1"> <input type="checkbox" name="checkGroup" id="two" value="2"> <input type="checkbox" name="checkGroup" id="three" value="3"> <input type="hidden" name="storeCheck" value=""> $(function(){ $("#all").click(function(){ $("input:checkbox[name='checkGroup']").attr("checked",$(this).attr("checked")); }); $("input:checkbox[name='checkGroup']:not('#all')").click ( function(){ var totalCheckboxes = $("input:checkbox[name='checkGroup']:not('#all')").length; var checkedCheckboxes = $("input:checkbox[name='checkGroup']:not('#all'):checked").length; if ( totalCheckboxes === checkedCheckboxes ) { $("#all").attr("checked" , true ); } else { $("#all").attr("checked" , false ); } }); }); Demo I am trying to get the value of the checkboxs are checked as an array. for example if I checked All Get value array_check = 1,2,3 and passed this array to hidden name="storeCheck" otherwise: Get value of array_check( checkboxs checked ).and passed this array to hidden name="storeCheck"

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• Exponential regression : p-value and F significance

  - by Saravanan K

  I am new to statistics. I have a set of independent data and dependent data (X,Y), where I would like to do an exponential regression to obtain its p-value and significant F (already obtained R2 and also the coefficients through mathematical calculation). What is the natural evolution from the (X,Y) data to mathematically calculate those variables. Spent a week on the internet to study this but unable to find the right answer. Often an exponential data, y=be^(mx) will be converted first to a linear data, ln y = mx + ln b . Then a linear regression will done on the converted data, obtaining its p-value etc. Assume we use a statistical tool such as Excel's Analysis ToolPak: Data Analysis : Regression, it will produce a result such as below, I believe the p-value and Significant F value is representing the converted linear data and not the original exponential data. Questions: What is the approach/steps used by Excel to get the p-value and Significant F value for the converted linear data as shown in the statistic output in the image above? It is not clear in their help page or website. Can the p-value and Significant F could be mathematically calculated for exponential regression without using a statistical tool? Can you assist to point me to the right link if this has been answered before.

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• Efficient way of calculating average difference of array elements from array average value

  - by Saysmaster

  Is there a way to calculate the average distance of array elements from array average value, by only "visiting" each array element once? (I search for an algorithm) Example: Array : [ 1 , 5 , 4 , 9 , 6 ] Average : ( 1 + 5 + 4 + 9 + 6 ) / 5 = 5 Distance Array : [|1-5|, |5-5|, |4-5|, |9-5|, |6-5|] = [4 , 0 , 1 , 4 , 1 ] Average Distance : ( 4 + 0 + 1 + 4 + 1 ) / 5 = 2 The simple algorithm needs 2 passes. 1st pass) Reads and accumulates values, then divides the result by array length to calculate average value of array elements. 2nd pass) Reads values, accumulates each one's distance from the previously calculated average value, and then divides the result by array length to find the average distance of the elements from the average value of the array. The two passes are identical. It is the classic algorithm of calculating the average of a set of values. The first one takes as input the elements of the array, the second one the distances of each element from the array's average value. Calculating the average can be modified to not accumulate the values, but caclulating the average "on the fly" as we sequentialy read the elements from the array. The formula is: Compute Running Average of Array's elements ------------------------------------------- RA[i] = E[i] {for i == 1} RA[i] = RA[i-1] - RA[i-1]/i + A[i]/i { for i > 1 } Where A[x] is the array's element at position x, RA[x] is the average of the array's elements between position 1 and x (running average). My question is: Is there a similar algorithm, to calculate "on the fly" (as we read the array's elements), the average distance of the elements from the array's mean value? The problem is that, as we read the array's elements, the final average value of the array is not known. Only the running average is known. So calculating differences from the running average will not yield the correct result. I suppose, if such algorithm exists, it probably should have the "ability" to compensate, in a way, on each new element read for the error calculated as far.

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• Unable to get values in ftl from value stack in custom Result Type

  - by Nagadev

  Hello, I am unable retrieve value from value stack in FTL file. Here is the code. Action class holds a property called 'name' private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } public String execute(){ setName("From value stack .. "); return SUCCESS; } FTL code: ${name} Custom result Type deExecute Method Configuration configuration = new Configuration(); String templatePath = "/ftl"; ServletContext context = ServletActionContext.getServletContext(); configuration.setServletContextForTemplateLoading(context, templatePath); configuration.setObjectWrapper(new DefaultObjectWrapper()); Template template = configuration.getTemplate("sample.ftl"); OutputStreamWriter out = new OutputStreamWriter(System.out); template.process(ActionContext.getContext().getValueStack(), out); I am passing the value Stack which contains recently executed Action as well. But FTL is throwing an exception Expression name is undefined on line 1, column 3 in sample.ftl I tried with passing session instead of value stack and I could get the value in FTL. Please suggest me a way to get values from Action class to FTL from value stack. Thanks inadvance.

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• Find and replace certain part of value (jquery)

  - by Hakan

  This might be a little complicated. See code below. When image is clicked I want to change "MY-ID-NUMBER" in "value" and "src" of object. But I want the other information to remain. When link is clicked I want to restore "value" and "src" so I can use the same function for next image that is clicked. Is it possible? Please help! My HTML: <img height="186" width="134" alt="4988" src="i123.jpg"> <img height="186" width="134" alt="4567" src="i124.jpg"> <a class="restore-to-default" href="#">DVD</a> <div class="tdt"> <object width="960" height="540"><param name="movie" value="http://www.domain.com/v3.4/player.swf?file=http://se.player-feed.domain.com/cinema/MY-ID-NUMBER/123-1/><param name="wmode" value="transparent" /><param name="allowFullScreen" value="true" /><param name="allowScriptAccess" value="always" /><embed id="player" name="player" type="application/x-shockwave-flash" src="http://www.player.domain.com/v3.4/player.swf?file=http://se.player-feed.domain.com/cinema/MY-ID-NUMBER/123-1/&display_title=over&menu=true&enable_link=true&default_quality=xxlarge&controlbar=over&autostart=true&backcolor=000000&frontcolor=ffffff&share=0&repeat=always&displayclick=play&volume=80&linktarget=_blank" width="960" height="540"allowFullScreen="true" allowScriptAccess="always"></embed></object> My jquery: $('img').click(function(){ var alt = $(this).attr("alt"); $('.tdt object').val("alt", alt); // Some how change "MY-ID-NUMBER" into the "alt-value" of image }); $('a').click(function(){ //restore to "MY-ID-NUMBER" }); Thanks!

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• Dependencyproperty doesn't have value on load

  - by Jakob

  My problem is this, I have a UC called profile that contains another UC called FollowImageControl. In my Profile.xaml i declaretively bind a property of FollowImageControl called FollowerId to a CurrentUserId from Profile.xaml.cs. Problem is that I CurrentUserId is assigned in Profile.xaml.cs; the Profile.xaml code-behind. This means that I do not initially get the FollowerId. I have these methods in the FollowImageControl.xaml.cs: public static readonly DependencyProperty _followUserId = DependencyProperty.Register("FollowUserId", typeof(Guid), typeof(FollowImageControl), null); public Guid FollowUserId { get { return (Guid)GetValue(_followUserId); } set { SetValue(_followUserId, value); } } public FollowImageControl() { // Required to initialize variables InitializeComponent(); LoggedInUserId = WebContext.Current.User.UserId; var ctx = new NotesDomainContext(); if (ctx.IsFollowingUser(LoggedInUserId, FollowUserId).Value) SwitchToDelete.Begin(); } private void AddImg_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) { if (LoggedInUserId != FollowUserId) { var ctx = new NotesDomainContext(); ctx.FollowUser(FollowUserId, LoggedInUserId); ctx.SubmitChanges(); } } THE WEIRD THING IS that when i insert breakpoints the FollowerUserId in FollowImageControl() is 0, but it has a value in AddImg_MouseLeftButtonDown, and there is no inbetween logic that sets the value of it. How is this??? Here's a little more code info: This is my binding from profile.xaml <internalCtrl:FollowImageControl FollowUserId="{Binding ElementName=ProfileCtrl, Path=CurrentUserId}" /> this is my constructor in profile.xaml.cs wherein the CurrentUserId is set public static readonly DependencyProperty _CurrentUserId = DependencyProperty.Register("CurrentUserId", typeof(Guid), typeof(Profile), null); public Guid CurrentUserId { get { return (Guid)GetValue(_CurrentUserId); } set { SetValue(_CurrentUserId, value); } } public Profile(Guid UserId) { CurrentUserId = UserId; InitializeComponent(); Loaded += new RoutedEventHandler(Profile_Loaded); } I'm seriously dumbfound that one minute the FollowerId has no value, and the next it holds the right, without me having changed the value in the code-behind.

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• pass Value from class to JFrame

  - by MYE

  Hello everybody! i have problem between pass value from Class to another JFrame my code write follow MVC Model. Therefore i have 1 class is controller , one jframe is view and 1 class is model. i have some handle process on controller to get value on it and i want this value to jframe but not pass by constructor . How can i pass value from class to jframe and when value be pass jframe will use it to handle. Ex: public class A{ private String str; public A(){ } public void handle(){ ViewFrame v = new ViewFrame(); v.setVisible(true); v.pack(). v.setSize(330,600); str = "Hello World"; //init value here v.getString(str);// pass value to jframe here. } } ======================= public class ViewFrame extends JFrame{ private String str; public ViewFrame (){ System.out.println(str); } public String getString(String str){ return this.str = str; } } but it return null??

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• how to filter text of the selected value in drop down

  - by Carlos

  I have a drop down menu. Has product types. Product types have associated value (from drop down) values correspond to machine groups. So each option should have three variables--Machine name, values, machine group. I can get the Machine name and I can get the machine value (and display them in a different field)...what I have not been able to figure out is how to change the value into the Machine group. jQuery('#MachineName').bind('change', function() { //get selected value from drop down; var selectedValue = jQuery("#MachineName").val(); //populate a text field with the selected drop down value jQuery("#MachineValue").val(selectedValue); What I would like to do is keep that MachineValue but then populate another text field with the sorted MachineGroup I have been trying to run it through something like switch(jQuery(this).val()){ case "236" : newVal = "8"; break; But I don't want to "change" the value I just want to do an "if then" type filter, so maybe something like: '236' => "8", '237' => "5", I just don't know how to properly say "assign the MachineGroup based on the MachineValue" (and then have it populate a different text field) In the end I would have three fields. The drop down, the MachineValue and the MachineGroup. Drop down and value are done, I just need to do Group. (And I can sort Group based on MachineName...just not sure which would be easier)

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• java: Read text file and store the info in an array using scanner class

  - by Amateur

  Hi, I have a text file include Student Grades like Kim $ 40 $ 45 Jack $ 35 $ 40 I'm trying to read this data from the text file and store the information into an array list using Scanner Class could any one guied me to write the code correctly ? Here is what I have so far public class ReadStudentsGrade { public static void main(String[] args) throws IOException { ArrayList stuRec = new ArrayList(); File file = new File("c:\\StudentGrade.txt"); try { Scanner scanner = new Scanner(file).useDelimiter("$"); while (scanner.hasNextLine()) { String stuName = scanner.nextLine(); int midTirmGrade = scanner.nextInt(); int finalGrade = scanner.nextInt(); System.out.println(stuName + " " + midTirmGrade + " " + finalGrade); } } catch (FileNotFoundException e) { e.printStackTrace(); } }

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