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Rails: RESTful Find, Initialize, or Create

- by Andrew

I have an app that has Cities in it. I'm looking for some suggestions on how to RESTfully structure a controller so that I can lookup, initialize, and create city records via AJAX requests. For instance: Given a text field city_name A user enters the name of a City, like "Paris, France" The app checks this location to see if there is such a city…

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MySQL: Records inserted by hour, for the last 24 hours

- by Andrew M

I'm trying to list the number of records per hour inserted into a database for the last 24 hours. Each row displays the records inserted that hour, as well as how many hours ago it was. Here's my query now: SELECT COUNT(*), FLOOR( TIME_TO_SEC( TIMEDIFF( NOW(), time)) / 3600 ) FROM `records` WHERE time > DATE_SUB(NOW(), INTERVAL 24 HOUR)…

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What is the origin / meaning of these variable naming conventions?

- by Andrew Hubbs

What is the general meaning and where did it start to have variables with leading or trailing underscores? ex: _varName and varName_ I have always thought a leading underscore indicated the variable was a pointer but I don't know where I got this idea. Recently I have seen these naming conventions used in Java which makes that reasoning…

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Understand link redirect

- by Andrew

wordpress placed into category 'blog' there are no subcategory 'contact' into category 'blog', neither .htaccess with redirect directives. How I can find what script does executed? and I VERY want understand how server find it. http://domain.com/freeaccess/blog/contact Thank you!

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[PHP, CSS, & ?] fixed width div, resizing text on the fly based on length

- by Andrew Heath

Let's say you've got a simple fixed-width layout that pulls a title from a MySQL database. CSS: #wrapper { width: 800px; } h1 { width: 100%; } HTML: <html> <body> <div id="wrapper"> <h1> $titleString </h1> </div> </body> </html> But the catch is, the…

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How to prevent Firefox from putting shadows around input boxes which have had their background colou

- by Andrew

Hi there, I'm creating a set of input fields and using javascript's .style.backgroundColor = "red" to change the colour of any invalid fields. In Chrome, there is no problem. However, in Firefox, as soon as I touch the backgroundColor (even if I set it to white) then I get these strange shadow effects. Does anyone know what's…

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MySQL Returns wrong values on SELECT statement

- by Andrew K

All, I'm wondering if this is a MySQL bug, but since I've seen others playing with larger numbers than this, I'm thinking I'm doing something wrong here. Here is my table structure for the table I'm querying: mysql describe ipspace6\G ************* 1. row ************* Field: id Type: decimal(39,0) unsigned Null: NO …

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Chat Server with sockets in C

- by Andrew

I'm trying to write a chat server in C that allows communication between two clients using POSIX sockets. I'm not sure I have a good grasp on this concept or how I should set up the communication protocol between the clients and the server. I know I need one socket to bind() the server port to so I can accept incoming…

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ASP.NET MVC 2 project default script files. What do you use?

- by Andrew Florko

Many js files are included into Scripts folder by default in ASP.NET MVC 2 Projects. I suppose developers use jquery library nearly every time they program a site, but what about other files? Please, can you tell scenarios and reasons when you: Use Microsoft.Ajax instead of jquery or mix both libraries? Do you…

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PHP syntax question: global $argv, $argc;

- by Andrew

So I have a PHPUnit test, and found this code within a function. global $argv, $argc; echo $argc; print_r($argv); I understand what these variables represent (arguments passed from the command line), but I've never seen this syntax before:global $argv, $argc; What specifically is going on here?

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Optimization of a c++ matrix/bitmap class

- by Andrew

I am searching a 2D matrix (or bitmap) class which is flexible but also fast element access. The contents A flexible class should allow you to choose dimensions during runtime, and would look something like this (simplified): class Matrix { public: Matrix(int w, int h) : data(new int[x*y]), width(w) {}…

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CTRL+mouse wheel in gvim (windows) not paging

- by andrew

Hello, I'm loving vim, but one thing that's bugging me is that when I hold the control key and mouse wheel up or down, the window scrolls normally when the bindings are telling it to page up/down. I'm using the exact same vimrc file (and plugins) on one of my linux machines and the CTRL+mouse wheel does page up…

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Post-back + Page Refresh. Post/Redirect/Get pattern alternatives?

- by Andrew Florko

When user posts back a web form and then tries to refresh the page - dialog "would you like to resend information" pops up (Opera works silently though). To avoid this we can redirect browser to the page we'd like to show after postback. Now, when user refreshes the page, he duplicates get-request and no pop-ups.…

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Sending VB data to another page in Javascript.

- by Andrew

I'm creating a search form using an asp:button control with the urlpostback set to a results page. The problem is, the asp:button uses Visual Basic and the search results from Google require Javascript. Is there a way to take the data from an asp: textbox in VB and then send it to another page that uses…

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Determine what account IIS 7 is using to access folders (and other resources)

- by Andrew

Often, out of sheer desperation I will end up enabling "Everyone" access on a folder that a web app is accessing (perhaps for file creation, reading, etc) because I can't figure which user account to enable access on. Obviously, this is a very bad thing to do. Is there a way to determine what account…

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Parallel doseq for Clojure

- by andrew cooke

I haven't used multithreading in Clojure at all so am unsure where to start. I have a doseq whose body can run in parallel. What I'd like is for there always to be 3 threads running (leaving 1 core free) that evaluate the body in parallel until the range is exhausted. There's no shared state,…

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c# 4.0 - best way to refactor a block of "If (something is Type) {}" statements?

- by Andrew Johns

I've got some code that looks like this, public void ResetControls(Control controlOnPage) { if (controlOnPage is TextBox) { ResetTextBoxControl(controlOnPage); } if (controlOnPage is MediaPicker) { ((MediaPicker)controlOnPage).Media = null; } if…

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What's the difference between id_rsa.pub and id_dsa.pub?

- by Andrew

Is one more secure than the other?

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Can't find asp:textbox in Javascript.

- by Andrew

I am trying to add the onkeydown attribute to an asp:textbox. For some reason my code can't find the textbox that is inside a loginview. Am I doing something wrong? <script type="text/javascript"> window.onload = function() { UserName.Attributes.Add("onKeyDown",…

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MySQL CURDATE() - yesteday is last day of the month

- by Andrew Spilak

I have some problem whith such mysql_query INSERT INTO table VALUES ('', CURDATE()-1) why if yesteday is last day of the month the CURDATE()-1) result is like 2010-04-00 why not 2010-03-31

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Refactoring. Your way to reduce code complexity of big class with big methods

- by Andrew Florko

I have a legacy class that is rahter complex to maintain: class OldClass { method1(arg1, arg2) { ... 200 lines of code ... } method2(arg1) { ... 200 lines of code ... } ... method20(arg1, arg2, arg3) { ... 200 lines of code ... } }…

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Is it not possible to print a pdf from a hyperlink?

- by andrew

I have looked for weeks and I keep hitting dead ends. I know you can create a text or image link and tell it to "print page" in a browser. But so far, I can't get it to print a document, specifically a pdf. I would like the print dialog to show after the link is clicked and…

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How should I be storing objects that I wish to access in reverse order of the way I placed them in

- by andrew hicks

I'm following this guide here: http://www.mazeworks.com/mazegen/mazetut/index.htm Or more specficially create a CellStack (LIFO) to hold a list of cell locations set TotalCells = number of cells in grid choose a cell at random and call it CurrentCell set VisitedCells…

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jquery load function problem

- by andrew

Hi, i have a select box like that <select name="sehirler_post" id="sehirler_post"> i am getting values via jquery. i know two different ways to get values. first one is : var sehirler_post = jQuery('select#sehirler_post').attr('value'); second one is: …

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Aggregating and displaying content from hundreds of RSS feeds

- by Andrew LeClair

I'd like to build a website that aggregates and displays content from hundreds of RSS feeds. The feeds will be from different sites: Twitter, Flickr, Tumblr, etc, so the content will be very heterogenous. In a perfect world — and this is more of a side issue — I…

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