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• Counting in R data.table

  - by Simon Z.

  I have the following data.table set.seed(1) DT <- data.table(VAL = sample(c(1, 2, 3), 10, replace = TRUE)) VAL 1: 1 2: 2 3: 2 4: 3 5: 1 6: 3 7: 3 8: 2 9: 2 10: 1 Now I want to to perform two tasks: Count the occurrences of numbers in VAL. Count within all rows with the same value VAL (first, second, third…

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• Can I fetch a file from a remote server from a Putty instance?

  - by Simon

  I have connected to my remote server using Putty and I want to retrieve a file back to my local machine. How do I do it? Can I do it?

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• Open Maps app from Code : Where to find the "Current Location"?

  - by Simon

  I am opening Maps app to show directions from user's Current Location to a destination coordinate, from my code. I am using the following code to open the Maps app. I am calling this code when a button is pressed. - (void)showDirectionsToHere { CLLocationCoordinate2D currentLocation = [self getCurrentLocation]; // LINE 1 NSString*…

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• Question regrarding declaring a property

  - by Simon

  Hi. We declare properties using the @property keyword and synthesize it in the implementation file. My question is, What if I declare a property using the @property keyword and also declare a variable in the interface block with the same name? For example, consider the following code, Interface: @interface myClass : NSObject { …

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• How do I jump to a method in RubyMine?

  - by Simon

  In Visual Studio, the editor has a drop-down list of functions in the current class; clicking on one will take me to the top of that function. Is there a way to get a similar behaviour from RubyMine?

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• mysqli insert into database

  - by Simon

  Hello all i have this script and i will not insert into the database and i get no errors :S, do you know what it is? function createUser($username, $password) { $mysql = connect(); if($stmt = $mysql->prepare('INSERT INTO users (username, password, alder, hood, fornavn, efternavn, city, ip, level, email) VALUES…

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• Why does Java return a date in GMT-4.5 when choosing Co-ordinated Universal Time time zone in Window

  - by Simon Nickerson

  We have seen a strange issue on some Windows XP machines involving the "Co-ordinated Universal Time" time zone. Not all Windows XP machines seem to have it, but on those that do, the following simple Java program public class TimeTest { public static void main(String[] args) { …

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• Help with MySQL database structure - user notification system

  - by Simon

  Hi, I'd like to send global notifications to my users (1000+ users) and allow them to close the notification box once they have read the message. Basically I may send one notification per week globally ie/ each user get the same message and they are not personal in nature. What is the…

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• Responding to setters

  - by Simon Cave

  What is the best way to respond to data changes when property setters are called. For example, if I have a property called data, how can I react when [object setData:newData] is called and still use the synthesised setter. Instinctively, I would override the synthesised setter like so: …

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• Structuremap and creating objects with initial state

  - by Simon

  I have an object which needs a dependency injected into it public class FootballLadder { public FootballLadder(IMatchRepository matchRepository, int round) { // set initial state this.matchRepo = matchRepository; this.round = round; } public…

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• c# How to find if two objects are equal

  - by Simon G

  Hi, I'm needing to know the best way to compare two objects and to find out if there equal. I'm overriding both GethashCode and Equals. So a basic class looks like: public class Test { public int Value { get; set; } public string String1 { get; set; } public string…

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• Setting java locale settings

  - by Simon Tucker

  When I use the default java locale on my linux machine it comes out with the US locale settings, where do I change this so that it comes out with the correct locale?

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• How to create diagrams for papers.

  - by Simon

  I want to create some diagrams for some papers. Diagrams will contain some text, e.g. some console output. I need images for using also in html files. There is TikZ so can create images like this: http://www.texample.net/tikz/examples/boxes-with-text-and-math/…

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• How can I receive the "scroll box" type scroll events from a DataGridView?

  - by Simon

  I have a DataGridView, and I'm listening to its Scroll event. This gives me a ScrollEventArgs object whose Type member is supposed to tell me the type of scroll event that has occurred. On the MSDN documentation page it says I should be able to detect movement of…

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• What is the best way to declare a property?

  - by Simon

  Hi. We declare properties using the @property keyword and synthesize it in the implementation file. My question is, What if I declare a property using the @property keyword and also declare a variable in the interface block with the same name? For example,…

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• [Flash 3d engine] Away3d and events (Basic questions)

  - by Simon

  I'd like to play around 3d in Flash and I'm wondering how sophisticated objects can i load from 3D Max... cos as i read it's possible to load something from 3d Max I've read that popular 3d engine is Away3d (many tutorials), so if there is nothing…

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• Facebook Page Statuses API

  - by Simon R

  I've got a curl function in php which posts a status update to our facebook page. However, when I post the update it makes the status appear from me personally rather than me the group. Does anyone know how you can post as administrator of the…

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• What are the implications of using static const instead of #define?

  - by Simon Elliott

  gcc complains about this: #include <stdio.h> static const int YY = 1024; extern int main(int argc, char*argv[]) { static char x[YY]; } $ gcc -c test1.c test1.c: In function main': test1.c:5: error: storage size of x' isn't constant…

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• In Rails, how would I include a section of a page only if the rest of the page doesn't match a certain regexp?

  - by Simon

  We have a site with a lot of user-generated content, and we'd like to show Google ads on it. Some of the content is such that we mustn't show the ads on pages containing that content, or else the whole site gets banned. We've come up with a…

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• Intelligent Merge of two Arrays (3-way-kindof)

  - by simon.oberhammer

  I have to Arrays, each represents a list of Stories. Two users can concurrently modify the order, add or remove Stories, and I want those changes merged. An example should make this clearer Orignial 1,2,3,4,5 UserA (mine) 3,1,2,4,5…

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• What's the best WordPress plugin for embedding/executing PHP code?

  - by Simon

  Hi there. I have an existing webapp created in PHP and would like to embed some of the PHP code into some WordPress pages. What's the best WordPress plugin for that?

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• Does anyone know a SSH/ SFTP/ FTP wrapper around pfsockopen()??

  - by Simon

  Does anyone know a SSH/ SFTP/ FTP wrapper class around pfsockopen();?? I'm still on my quest to keep persistent connections in PHP.

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• How can i design a DB where the user can define the fields and types of a detail table in a M-D rela

  - by Simon

  My application has one table called 'events' and each event has approx 30 standard fields, but also user defined fields that could be any name or type, in an 'eventdata' table. Users can define these event data tables, by specifying x number…

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• Why I cant be able to change the UITableViewCell detailTextLabel's frame?

  - by Simon

  Hi.. I am having a table view with default UITableViewCell of style UITableViewCellStyleValue2. I just want to move detailTextLabel few pixels to the right. I know it makes no sense to adjust its width and height :). I am trying to set…

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• Clear all currently defined vim macros

  - by Simon Walker

  Hi everyone I have a vim macro that I keep mistyping, usually when I'm trying to save something so I do it quickly and I can't work out what keys I pressed. It is annoying as it pastes some irrelevant bash code into my file so I have…

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