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• TCP Slow Start, Congestion Avoidance & Determining Bandwidth

  - by Robert S. Barnes

  Is there a formula someplace which can be used to determine the minimum number of segments / bytes which need to be transfered across a TCP connection to determine it's bandwidth and which takes into account Slow Start and Congestion Avoidance?

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• Sorting an NSArray of NSString

  - by Robert Eisinger

  Can someone please show me the code for sorting an NSMutableArray? I have the following NSMutableArray: NSMutableArray *arr = [[NSMutableArray alloc] init]; with elements such as "2", "4", "5", "1", "9", etc which are all NSString. I'd like to sort the list in descending order so that the largest valued integer is highest in the list (index 0).…

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• Communication between Multiple Threads in a WPF Application

  - by Robert

  I'm creating a WPF application that uses a custom object to populate all the controls. The constructor of that object is initiated by an EventHandler that waits for an API. The problem I'm having is when I try to access any information from that object using a button for example, it returns an error saying "The calling thread cannot access this…

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• Exploding a range of dates with LINQ

  - by Robert Gowland

  If I have a pair of dates, and I want to generate a list of all the dates between them (inclusive), I can do something like: System.DateTime s = new System.DateTime(2010, 06, 05); System.DateTime e = new System.DateTime(2010, 06, 09); var list = Enumerable.Range(0, (e - s).Days) .Select(value => s.AddDays(value)); What I'm stuck on is…

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• simple c++ file opening issue

  - by Robert

  #include <iostream> #include <fstream> using namespace std; int main () { ofstream testfile; testfile.open ("test.txt"); testfile << "success!\n"; testfile.close(); return 0; } 1)called "g++ testfile.cpp" 2)created "test.txt" 3)called "chmod u+x a.out" 4)??? 5)file remains blank. I feel like an idiot for failing…

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• Trying to locate SafeMM for Delphi

  - by Robert Love

  Mark Edington mentioned a Memory Manager called, SafeMM at the DelphiLive conference. I have been unable to locate it online, does anyone know where it might be available.

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• C# - Does function get called for each iteration of a foreach loop?

  - by Robert W

  If I have functionality like the following - will ReturnParts() get called for each iteration in a foreach loop, or will it get called just the once? private void PrintParts() { foreach(string part in ReturnParts()) { // Do Something or other. } } private string[] ReturnParts() { // Build up and return an…

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• How can I construct this file tree based on what files the user is allowed to view?

  - by robert

  I have an array of files that looks like this: Array ( [0] => Array ( [type] => folder [path] => RootFolder ) [1] => Array ( [type] => file [path] => RootFolder\error.log ) [2] => Array ( [type] =>…

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• An RMIPRoxyFactoryBean factory in Spring?

  - by Robert Munteanu

  I'm currently using a Spring RmiProxyFactoryBean to access remote services. Since requirements have changed, I need to specify at runtime a different host - there can be many of them - , but the remoteServiceInterface and the non-host components of the remoteServiceUrl remain the same. Conceptually speaking, I'd see a bean definition…

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• Disable Products in different Magento Store Views

  - by Robert

  I have a Magento Multi-Store installation (not multi-site) and some products are available in more than one store. However, these products that are available in, let's say storeA and storeB, have related products, BUT, the related products are not available in both stores. The problem is this, Product1, which has Product2,…

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• Spring deployment-level configuration

  - by Robert Wilson

  When I wrote JEE apps, I used JBoss Datasources to control which databases the deployment used. E.g. the dev versions would use a throwaway hibernate db, the ref and ops would use stable MySQL deployments. I also used MBeans to configure various other services and rules. Now that I'm using Spring, I'd like the same…

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• Greatest Reward

  - by Robert

  As a developer what is the best reward that a Project Manager can give when a project is complete. One thing per answer, please.

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• Unicode symbols coming wrong

  - by robert

  Obviously, there must be something stupid i'm doing. The unicode chart for subscripts and superscripts says #00B2 is superscript 2, but i get scrambled output. 0078 is x, but I get N, and 0120 is x. Am i reading wrong manual? EDIT $x = '&#0078;'; print html_entity_decode($x, ENT_NOQUOTES, 'UTF-8') . "\n";

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• How to determine which version of Oracle Client is being used from the server.

  - by Robert Love

  Using Oracle 10g. ( 10.2.0.4 ) Possibly by looking at either logs or system tables is there a way to determine which version of the oracle client each connection is using. Our systems initially had 8.1.7 Clients, and then 9.X clients. We attempted to manually locate all machines that had older clients and…

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• Echo-ing Only Available Database Result

  - by Robert Hanson

  I have this Associative Array : $Fields = array("row0"=>"Yahoo ID", "row1"=>"MSN ID", "row2"=> "Gtalk ID"); on the other side, I have this SQL query : SELECT YahooID, MSNID, GTalkID From UserTable WHERE Username = '$Username' LIMIT 1; the result maybe vary, because some users only have Yahoo ID…

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• Checking for a dirty index or untracked files with Git

  - by Robert Munteanu

  How can I check if I have any uncommitted changes in my git repository: Changes added to the index but not committed Untracked files from a script? git-status seems to always return zero with git version 1.6.4.2.

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• Open Source UML Tool which generates C++ code

  - by Robert S. Barnes

  Are there any open source UML tools for Linux which can generate C++ source code?

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• returning a Void object

  - by Robert

  What is the correct way to return a Void type, when it isn't a primitive? Eg. I currently use null as below. interface B<E>{ E method(); } class A implements B<Void>{ public Void method(){ // do something return null; } }

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• How do I constrain a container's height to the height of a specific content element?

  - by Robert Rossney

  I'm trying to do something which seems like it should be extremely simple and yet I can't see how. I have a very simple layout, a TextBox with an image next to it, similar to the way it might look adorned with an ErrorProvider in a WinForms application. The problem is, I want the image to be no higher than…

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• How do I hide an HTML element before the page loads

  - by Robert

  I have some JQuery code that shows or hides a div. $("div#extraControls").show(); // OR .hide() I initially want the div to be not visible so I used: $(document).ready(function() { $("div#extraControls").hide(); }); However, on the browser, the content loads visible for a second before…

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• Objective C memory management question with NSArray

  - by Robert

  I am loading an array with floats like this: NSArray *arr= [NSArray arrayWithObjects: [NSNumber numberWithFloat:1.9], [NSNumber numberWithFloat:1.7], [NSNumber numberWithFloat:1.6], [NSNumber numberWithFloat:1.9],nil]; Now I know…

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• Create Registry Value In Local Machine Using C#

  - by Robert

  I'm trying to save an install path to the registry so my windows service will know where my other application was installed. I'm using visual studio's deployment to create a registry value in HKEY_CURRENT_USER, but my windows service which runs under LocalMachine doesn't have access to that. …

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• ORACLE:- 'SELECT ORDER BY ASC' but 'USA' always first.

  - by Robert

  I have to write a drop down query for countries. But USA should always be first. The rest of the countries are in alphabetical order I tried the following query SELECT countries_id ,countries_name FROM get_countries WHERE countries_id =…

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• A question on getting number of nodes in a Binary Tree

  - by Robert

  Dear all, I have written up two functions (pseudo code) for calculation the number of nodes and the tree height of a Binary Tree,given the root of the tree. Most importantly,the Binary Tree is represented as the First chiled/next sibling format. so struct TreeNode { Object element; …

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• C# - Listing class properties like Immediate window

  - by Robert

  Hi, I store a few classes in session. I want to be able to see the values of my class properties in trace viewer. By default I only the Type name MyNamespace.MyClass. I was wondering if I overwrite the .ToString() method and use reflection to loop over all the properties and construct a…

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