Search Results

Search found 6619 results on 265 pages for 'digital logic'.

Page 110/265 | < Previous Page | 106 107 108 109 110 111 112 113 114 115 116 117  | Next Page >

  • ggplot2 footnote

    - by user338714
    What is the best way to add a footnote to the bottom of a plot created with ggplot2? I've tried using a combination of the logic noted here http://www.r-bloggers.com/r-good-practice-%E2%80%93-adding-footnotes-to-graphics/ as well as the ggplot2 annotate function p + annotate("text",label="Footnote", x=unit(1,"npc") - unit(2, "mm"),y=unit(2, "mm"), just=c("right", "bottom"),gp=gpar(cex= 0.7, col=grey(.5))) but I am getting the error "Error in as.data.frame.default(x[[i]], optional = TRUE, stringsAsFactors = stringsAsFactors) : cannot coerce class c("unit.arithmetic", "unit") into a data.frame".

    Read the article

  • Python. How to iterate through a list of lists looking for a partial match

    - by Becca Millard
    I'm completely stuck on this, without even an idea about how to wrap my head around the logic of this. In the first half of the code, I have successfully generation a list of (thousands of) lists of players names and efficiency scores: eg name_order_list = [["Bob", "Farley", 12.345], ["Jack", "Donalds", 14.567], ["Jack", "Donalds", 13.421], ["Jack", "Donalds", 15.232],["Mike", "Patricks", 10.543]] What I'm trying to do, is come up with a way to make a list of lists of the average efficiency of each player. So in that example, Jack Donalds appears multiple times, so I'd want to recognize his name somehow and average out the efficiency scores. Then sort that new list by efficiency, rather than name. So then the outcome would be like: average_eff_list = [[12.345, "Bob", "Farley"], [14.407, "Jack", "Donalds"], [10.543, "Mike", "Patricks"]] Here's what I tried (it's kind of a mess, but should be readable): total_list = [] odd_lines = [name_order_list[i] for i in range(len(name_order_list)) if i % 2 == 0] even_lines = [name_order_list[i] for i in range(len(name_order_list)) if i % 2 == 1] i = 0 j = i-1 while i <= 10650: iteration = 2 total_eff = 0 while odd_lines[i][0:2] == even_lines[i][0:2]: if odd_lines[i][0:2] == even_lines[j][0:2]: if odd_lines[j][0:2] != even_lines[j][0:2]: total_eff = even_lines[j][2]/(iteration-1) iteration -= 1 #account fr the single (rather than dual) additional entry else: total_eff = total_eff if iteration == 2: total_eff = (odd_lines[i][2] + even_lines[i][2]) / iteration else: total_eff = ((total_eff * (iteration - 2)) + (odd_lines[i][2] + even_lines[i][2])) / iteration iteration += 2 i += 1 j += 1 if i > 10650: break else: if odd_lines[i][0:2] == even_lines[j][0:2]: if odd_lines[j][0:2] != even_lines[j][0:2]: total_eff = (odd_lines[i][2] + even_lines[j][2]) / iteration else: total_eff = ((total_eff * (iteration -2)) + odd_lines[i][2]) / (iteration - 1) if total_eff == 0: #there's no match at all total_odd = [odd_lines[i][2], odd_lines[i][0], odd_lines[i][1]] total_list.append(total_odd) if even_lines[i][0:2] != odd_lines[i+1][0:2]: total_even = [even_lines[i][2], even_lines[i][0], even_lines[i][1]] else: total = [total_eff, odd_lines[i][0], odd_lines[i][1]] total_list.append(total) i += 1 if i > 10650: break else: print(total_list) Now, this runs well enough (doesn't get stuck or print someone's name multiple times) but the efficiency values are off by a large amount, so I know that scores are getting missed somewhere. This is a problem with my logic, I think, so any help would be greatly appreciated. As would any advice about how to loop through that massive list in a smarter way, since I'm sure there is one... EIDT: for this exercise, I need to keep it all in a list format. I can make new lists, but no using dictionaries, classes, etc.

    Read the article

  • I want to display a Blank Gridview in asp.net

    - by Vibin Jith
    I want to display a blank Gridview Like this.By this way iant to enter the details through grid like windows app. In first a grid with blank row which is in edit mode comes and after update Next row will come. how can i do this? Any logic. I created the itemtemplates but without a data Source it does not showing nothng.

    Read the article

  • NULL ForeignKeyTo property in Subsonic 3/ASP.NET MVC?

    - by chad
    Issue: the primary key of the base table is named differently than the the key in the fk table. Subsonic 3 does not know how to handle that, which is fine, its beta. So I was going to change the Html.ControlFor logic to just grab the table and use the pkname from that: var fk = db.FindTable(col.ForeignKeyTo.FriendlyName); However the .ForeignKeyTo is null. Where in the templates does that ITable get populated?

    Read the article

  • How to get compatibility between C# and SQL2k8 AES Encryption?

    - by Victor Rodrigues
    I have an AES encryption being made on two columns: one of these columns is stored at a SQL Server 2000 database; the other is stored at a SQL Server 2008 database. As the first column's database (2000) doesn't have native functionality for encryption / decryption, we've decided to do the cryptography logic at application level, with .NET classes, for both. But as the second column's database (2008) allow this kind of functionality, we'd like to make the data migration using the database functions to be faster, since the data migration in SQL 2k is much smaller than this second and it will last more than 50 hours because of being made at application level. My problem started at this point: using the same key, I didn't achieve the same result when encrypting a value, neither the same result size. Below we have the full logic in both sides.. Of course I'm not showing the key, but everything else is the same: private byte[] RijndaelEncrypt(byte[] clearData, byte[] Key) { var memoryStream = new MemoryStream(); Rijndael algorithm = Rijndael.Create(); algorithm.Key = Key; algorithm.IV = InitializationVector; var criptoStream = new CryptoStream(memoryStream, algorithm.CreateEncryptor(), CryptoStreamMode.Write); criptoStream.Write(clearData, 0, clearData.Length); criptoStream.Close(); byte[] encryptedData = memoryStream.ToArray(); return encryptedData; } private byte[] RijndaelDecrypt(byte[] cipherData, byte[] Key) { var memoryStream = new MemoryStream(); Rijndael algorithm = Rijndael.Create(); algorithm.Key = Key; algorithm.IV = InitializationVector; var criptoStream = new CryptoStream(memoryStream, algorithm.CreateDecryptor(), CryptoStreamMode.Write); criptoStream.Write(cipherData, 0, cipherData.Length); criptoStream.Close(); byte[] decryptedData = memoryStream.ToArray(); return decryptedData; } This is the SQL Code sample: open symmetric key columnKey decryption by password = N'{pwd!!i_ll_not_show_it_here}' declare @enc varchar(max) set @enc = dbo.VarBinarytoBase64(EncryptByKey(Key_GUID('columnKey'), 'blablabla')) select LEN(@enc), @enc This varbinaryToBase64 is a tested sql function we use to convert varbinary to the same format we use to store strings in the .net application. The result in C# is: eg0wgTeR3noWYgvdmpzTKijkdtTsdvnvKzh+uhyN3Lo= The same result in SQL2k8 is: AI0zI7D77EmqgTQrdgMBHAEAAACyACXb+P3HvctA0yBduAuwPS4Ah3AB4Dbdj2KBGC1Dk4b8GEbtXs5fINzvusp8FRBknF15Br2xI1CqP0Qb/M4w I just didn't get yet what I'm doing wrong. Do you have any ideas? EDIT: One point I think is crucial: I have one Initialization Vector at my C# code, 16 bytes. This IV is not set at SQL symmetric key, could I do this? But even not filling the IV in C#, I get very different results, both in content and length.

    Read the article

  • Hide a base class method from derived class, but still visible outside of assembly

    - by clintp
    This is a question about tidyness. The project is already working, I'm satisfied with the design but I have a couple of loose ends that I'd like to tie up. My project has a plugin architecture. The main body of the program dispatches work to the plugins that each reside in their own AppDomain. The plugins are described with an interface, which is used by the main program (to get the signature for invoking DispatchTaskToPlugin) and by the plugins themselves as an API contract: namespace AppServer.Plugin.Common { public interface IAppServerPlugin { void Register(); void DispatchTaskToPlugin(Task t); // Other methods omitted } } In the main body of the program Register() is called so that the plugin can register its callback methods with the base class, and then later DispatchTaskToPlugin() is called to get the plugin running. The plugins themselves are in two parts. There's a base class that implements the framework for the plugin (setup, housekeeping, teardown, etc..). This is where DispatchTaskToPlugin is actually defined: namespace AppServer.Plugin { abstract public class BasePlugin : MarshalByRefObject, AppServer.Plugin.Common.IAppServerPlugin { public void DispatchTaskToPlugin(Task t) { // ... // Eventual call to actual plugin code // } // Other methods omitted } } The actual plugins themselves only need to implement a Register() method (to give the base class the delegates to call eventually) and then their business logic. namespace AppServer.Plugin { public class Plugin : BasePlugin { override public void Register() { // Calls a method in the base class to register itself. } // Various callback methods, business logic, etc... } } Now in the base class (BasePlugin) I've implemented all kinds of convenience methods, collected data, etc.. for the plugins to use. Everything's kosher except for that lingering method DispatchTaskToPlugin(). It's not supposed to be callable from the Plugin class implementations -- they have no use for it. It's only needed by the dispatcher in the main body of the program. How can I prevent the derived classes (Plugin) from seeing the method in the base class (BasePlugin/DispatchTaskToPlugin) but still have it visible from outside of the assembly? I can split hairs and have DispatchTaskToPlugin() throw an exception if it's called from the derived classes, but that's closing the barn door a little late. I'd like to keep it out of Intellisense or possibly have the compiler take care of this for me. Suggestions?

    Read the article

  • Python: Converting legacy string dates to dates

    - by Eric
    We have some legacy string dates that I need to convert to actual dates that can be used to perform some date logic. Converting to a date object isn't a problem if I knew what the format were! That is, some people wrote 'dd month yy', othes 'mon d, yyyy', etc. So, I was wondering if anybody knew of a py module that attempts to guess date formats and rewrites them in a uniform way? Any other suggestions? Thanks! :) Eric

    Read the article

  • Enable UIBarButtonItem if multiple UITextFields are all populated

    - by CrystalSkull
    I have 3 UITextFields in a grouped UITableView and am trying to figure out the correct logic to only have my 'Save' UIBarButtonItem enabled when none of the UITextFields are empty. I'm currently using the - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string UITextField delegate method to detect changes to the field character by character, but it is providing inconsistent results. Any ideas?

    Read the article

  • standard encryption decryption across different platforms

    - by Raj
    hey guys i need to implement a standard encryption decryption logic across an entire project platform which has different clients implemented using different platforms as follows: 1) iphone app (objectiv c) 2) website (classic asp) 3) webservice (asp.net) the iphone app as well as the website need to send info to webservice using encrypted query strings the web service then decrypts this and processes the info further wanted to know the simplest way to achieve this. is there some free and ready to use binary available with an easy to use api to achieve this? encryption needs to be as secure as possible thnx in advance

    Read the article

  • How do I implement a TextBox that displays "Type here"?

    - by mafutrct
    Displaying "Type here to ..." until the user enters text into a TextBox is a well-known usability feature nowadays. How would one implement this feature in C#? My idea is to override OnTextChanged, but the logic to handle the changes of Text from and to "Type here" is a bit tricky... Displaying "Type here" on initialization and removing it on first input is easy, but I want to display the message every time the entered text becomes empty.

    Read the article

  • What does the following Regex expression do?

    - by Jim
    Hi, I would like to understand what the following code is doing. This logic is part of a routine to strip out html from the body of an email message. mBBSREgEx.IgnoreCase = True mBBSREgEx.Global = True mBBSREgEx.Pattern = "<[^>]*>" sResult = mBBSREgEx.Replace(sResult, "") Thank you, Jim

    Read the article

  • YAML front matter for Jekyll and nested lists

    - by motleydev
    I have a set of nested yaml lists with something like the following: title: the example image: link.jpg products: - top-level: Product One arbitrary: Value nested-products: - nested: Associated Product sub-arbitrary: Associated Value - top-level: Product Two arbitrary: Value - top-level: Product Three arbitrary: Value I can loop through the products with no problem using for item in page.products and I can use a logic operator to determine if nested products exist - what I CAN'T do is loop through multiple nested-products per iteration of top-level I have tried using for subitem in item and other options - but I can't get it to work - any ideas?

    Read the article

  • java asynchronous task.

    - by Tony
    For some of HTTP requests from clients, there was very complex business logic in server side. Some of these business logics doesn't require to response to the client immediately, like sending a email to somebody. Can I put those tasks in an asynchronous method.

    Read the article

  • Ruby's autoload not working in 1.8.7 or Ruby Enterprise?

    - by webren
    I've written a gem and within a file I am doing this to autoload my main gem logic: $:.push File.expand_path('lib', __FILE__) require "oa-casport/version" require 'omniauth/core' module OmniAuth module Strategies autoload :Casport, 'omniauth/strategies/casport' end end For Ruby versions 1.8.7 and ree, it prints out "no such file to load - omniauth/strategies/casport' But it doesn't print out this message on version 1.9.2. Is there something off with the location of calling autoload? The repo for the gem is located at https://github.com/stevenhaddox/oa-casport

    Read the article

  • How do you reproduce bugs that occur sporadically?

    - by furtelwart
    We have a bug in our application that does not occur every time and therefore we don't know its "logic". I don't even get it reproduced in 100 times today. Disclaimer: This bug exists and I've seen it. It's not a pebkac or something similar. What are common hints to reproduce this kind of bug?

    Read the article

  • Simple but good pattern for EJB

    - by Sara
    What would you suggest as a good and practical but simple pattern for a soloution with: HTML + JSP (as a view/presentation) SERVLETS (controller, request, session-handling) EJB (persistence, businesslogic) MySQL DB And is it necessary to use an own layer of DAO for persistence? I use JPA to persist objects to my DB. Should I withdraw business logic from my EJB? Sources online all tell me different things and confuses me...

    Read the article

  • how to get path froma variable

    - by yoshco
    following http://stackoverflow.com/questions/659647/how-to-get-folder-path-from-file-path-with-cmd i want to strip the path (without the filename) from a variable. following the logic of the methods discussed above i would like to use batch bellow, which doesnt work. any takers? possible? set cpp="C:\temp\lib.dll" echo %cpp% "C:\temp\lib.dll" echo %~dpcpp "C:\temp\" > doesn't work

    Read the article

  • Dynamic adding HttpModules and HttpHandlers

    - by pokrate
    Hi, Is adding / removing HttpModules and HttpHandlers at runtime from a website a good idea ? I am looking at ways to make my website as dynamic as possible without uploading changed content all over again. Something like config files. Rule engines exist, but learning them seems like a pain. I might be wrong in my perspective. Please suggest possible ways to change logic in the code at runtime.

    Read the article

  • CRC for cross platform applications

    - by Kangkan
    I wish to use a common CRC logic in a VB.NEt or C# application as well as on a c/Linux application. I have one c/Linux application that interacts with some webservice (c#) and also a web application (VB.NET). For some data, I want to put a CRC to be added to the data itself (say a flie) from the .NET side and check for the integrity of the data (checking the CRC) on the client and also the vice versa. Can somebody please guide me?

    Read the article

  • How to refactor T-SQL stored procedure encapsulating it's parameters to a class

    - by abatishchev
    On my SQL Server 2008 I have a stored procedure with a large number of parameters. The first part of them is used in every call and parameters from the second part are used rarely. And I can't move the logic to two different stored procedures. Is there a way to encapsulate all this parameters to a class or struct and pass it as a stored procedure parameter? Can I use SQL CLR. Are there other ways?

    Read the article

  • translating specifications into query predicates

    - by Jeroen
    I'm trying to find a nice and elegant way to query database content based on DDD "specifications". In domain driven design, a specification is used to check if some object, also known as the candidate, is compliant to a (domain specific) requirement. For example, the specification 'IsTaskDone' goes like: class IsTaskDone extends Specification<Task> { boolean isSatisfiedBy(Task candidate) { return candidate.isDone(); } } The above specification can be used for many purposes, e.g. it can be used to validate if a task has been completed, or to filter all completed tasks from a collection. However, I want to re-use this, nice, domain related specification to query on the database. Of course, the easiest solution would be to retrieve all entities of our desired type from the database, and filter that list in-memory by looping and removing non-matching entities. But clearly that would not be optimal for performance, especially when the entity count in our db increases. Proposal So my idea is to create a 'ConversionManager' that translates my specification into a persistence technique specific criteria, think of the JPA predicate class. The services looks as follows: public interface JpaSpecificationConversionManager { <T> Predicate getPredicateFor(Specification<T> specification, Root<T> root, CriteriaQuery<?> cq, CriteriaBuilder cb); JpaSpecificationConversionManager registerConverter(JpaSpecificationConverter<?, ?> converter); } By using our manager, the users can register their own conversion logic, isolating the domain related specification from persistence specific logic. To minimize the configuration of our manager, I want to use annotations on my converter classes, allowing the manager to automatically register those converters. JPA repository implementations could then use my manager, via dependency injection, to offer a find by specification method. Providing a find by specification should drastically reduce the number of methods on our repository interface. In theory, this all sounds decent, but I feel like I'm missing something critical. What do you guys think of my proposal, does it comply to the DDD way of thinking? Or is there already a framework that does something identical to what I just described?

    Read the article

< Previous Page | 106 107 108 109 110 111 112 113 114 115 116 117  | Next Page >