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  • Removing an object in a child collection in MongoDB

    - by Jeremy B.
    I've got a collection of content. Said collection has a collection of responses as such Content : [{ 'id' : '1234', 'Responses' : [{ 'id' : '12345' } etc. Now, I want to remove response 12345, but I don't want to remove all of the responses. I can't seem to find the command to do so. I'm getting the impression that the correct action is to grab the object, rebuild the Responses without the one I want removed, and then save the Content object as a whole. Provided there are many responses, this seems like a bad practice to have to load the entire object that way.

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  • appengine_config.py middleware not hit

    - by jeremy
    using 1.3.4 - wsgi middleware is not being installed. i have appengine_config.py at the same level as app.yaml, with the following (for testing): """Configuration.""" raise Exception("hello") def webapp_add_wsgi_middleware(app): return app the exception is never raised. am i missing something?

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  • Javascript inheritance: call super-constructor or use prototype chain?

    - by Jeremy S.
    Hi folks, quite recently I read about javascript call usage in MDC https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/call one linke of the example shown below, I still don't understand. Why are they using inheritance here like this Prod_dept.prototype = new Product(); is this necessary? Because there is a call to the super-constructor in Prod_dept() anyway, like this Product.call is this just out of common behaviour? When is it better to use call for the super-constructor or use the prototype chain? function Product(name, value){ this.name = name; if(value >= 1000) this.value = 999; else this.value = value; } function Prod_dept(name, value, dept){ this.dept = dept; Product.call(this, name, value); } Prod_dept.prototype = new Product(); // since 5 is less than 1000, value is set cheese = new Prod_dept("feta", 5, "food"); // since 5000 is above 1000, value will be 999 car = new Prod_dept("honda", 5000, "auto"); Thanks for making things clearer

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  • How do I stop cropping of a transformed (scaled) image in a grid (silverlight)

    - by Jeremy
    I have a grid with an image in it. Initially, the image is larger than the grid, so it gets cropped which is fine, but if I apply a scaling transform to causing the image to shrink, the portion that was initally cropped remains cropped, but I want it displayed now, because it would fit in the grid. I concidered putting my image in a canvas, but I want it centered vertically and horizontally, which is giving me trouble, so I switched to a grid.

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  • How to limit SMTP delivery to hourly batches

    - by Jeremy W
    In an effort to keep us from being labeled spammers by major ISPs (in addition to SPF records, privacy policies, CANSPAM compliance and the like) - I wanted to limit the amount of mail we send out an hour. Is this possible in W2K3 SMTP server? I was looking at outbound connection properties in the SMTP virtual server config screens...It's just not that clear if tinkering with those settings are going to do what I want. In a nutshell, I'd love mail being sent by this server to queue up and send for example, 5,000 messages every 10 minutes or so. Is this possible?

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  • How to optimize class for viewstate

    - by Jeremy
    If I have an object I need to store in viewstate, what kinds of things can I do to optimize the size it takes to store the object? Obviously storing the least amount of data will take less space, but aside from that, are there ways to architect the class, properties, attrbutes etc, that will effect how large the serialized output is?

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  • If statement String trouble

    - by Jeremy Stone
    I'm trying to create a program which takes user input of two words and determines whether or not these words are the same. import java.util.Scanner; public class L7E3 { public static void main(String[] args) { Scanner keyboard = new Scanner(System. in ); String word1, word2; System.out.println("Please enter a word: "); word1 = keyboard.nextLine(); System.out.println("Please enter a word: "); word2 = keyboard.nextLine(); if (word1 == word2) { System.out.println("The words are " + word1 + " and " + word2 + ". These words are the same."); } else { System.out.println("The words are " + word1 + " and " + word2 + ". These words are not the same."); } } } I figured that word1==word2 would have worked to determine whether the two strings were equal, I'm using JGrasp and it goes directly to my else option regardless of input. Am I doing something wrong with strings?

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  • "Testing Plan Lite" for web project

    - by Emmmmm
    How do you draft a quick & easy "Testing Plan Lite" for a medium-sized web project (70k lines, 2 developers)? I've seen many tutorials/articles on methods of testing, but all seem cumbersome. For us, the goal is to be able to be able to divide up and delegate testing instructions to our friends for different project segments, browsers, etc. What's the quick & easy way to write test plans for web apps? (the 20 of the 20/80 rule) Thanks!

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  • In need of a Smarter Environmental Package Configuration

    - by Jeremy Liberman
    I am trying to set up a package template in SSIS, following the Wrox Programmer to Programmer book, SQL Server 2008 Integration Services: Problem - Design - Solution. I'm really liking this book even though it is 2008 and we're using SQL Server 2005. I've got a working package template that uses an Indirect XML package configuration to identify what environment (local developer, dev, QA, production, etc) the package is being run in. That locates the SQL Server package configuration for the environment. That set-up is great and all except for the environment variable at the very front of it all. My team would prefer it if the package could use the same environment resource locator as all our other applications and tools use, so we don't two environment markers with essentially the same information in them. Normally we look up a registry key in HKey_Local_Machine but the Registry Package Configuration type only lets you look up the HKey_Current_User registries. My first thought was to write a new Package Configuration Type class that extends the Registry type; after all we'd had such luck writing our own custom log provider. SSIS is super extendable, right? So there doesn't seem to be a way to write your own Package Configuration Types. Is there still some way I can configure my SSIS SQL Server package configuration from a HKLM registry key connection string? If this is not possible, what other workarounds are available? My idea is to write a PowerShell script that will create/modify the Environment Variable that the package will use by fetching the connection string from the registry. This way there's still two markers, but at least then it's automatically maintained and automated. Is this kind of workaround necessary? Thank you for your time.

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  • Recommendations for IPC between parent and child processes in .NET?

    - by Jeremy
    My .NET program needs to run an algorithm that makes heavy use of 3rd party libraries (32-bit), most of which are unmanaged code. I want to drive the CPU as hard as I can, so the code runs several threads in parallel to divide up the work. I find that running all these threads simultaneously results in temporary memory spikes, causing the process' virtual memory size to approach the 2 GB limit. This memory is released back pretty quickly, but occasionally if enough threads enter the wrong sections of code at once, the process crosses the "red line" and either the unmanaged code or the .NET code encounters an out of memory error. I can throttle back the number of threads but then my CPU usage is not as high as I would like. I am thinking of creating worker processes rather than worker threads to help avoid the out of memory errors, since doing so would give each thread of execution its own 2 GB of virtual address space (my box has lots of RAM). I am wondering what are the best/easiest methods to communicate the input and output between the processes in .NET? The file system is an obvious choice. I am used to shared memory, named pipes, and such from my UNIX background. Is there a Windows or .NET specific mechanism I should use?

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  • Ajax, no response

    - by Jeremy Wagemans
    When I try to create a jquery alert coming from an ajaxy query, I don't get any response. Do you know how to fix it ? jquery: $.ajax({ type: "GET", url: "php/submission.php", success:function(data){ if(data==1) { alert("working"); } } }); submission.php: echo '1';

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  • What was the motivation for adding the IPV6_V6ONLY flag?

    - by Jeremy Friesner
    In IPv6 networking, the IPV6_V6ONLY flag is used to ensure that a socket will only use IPv6, and in particular that IPv4-to-IPv6 mapping won't be used for that socket. On many OS's, the IPV6_V6ONLY is not set by default, but on some OS's (e.g. Windows 7), it is set by default. My question is: What was the motivation for introducing this flag? Is there something about IPv4-to-IPv6 mapping that was causing problems, and thus people needed a way to disable it? It would seem to me that if someone didn't want to use IPv4-to-IPv6 mapping, they could simply not specify a IPv4-mapped IPv6 address. What am I missing here?

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  • Return http 204 "no content" to client in ASP.NET MVC2

    - by Jeremy Raymond
    In an ASP.net MVC 2 app that I have I want to return a 204 No Content response to a post operation. Current my controller method has a void return type, but this sends back a response to the client as 200 OK with a Content-Length header set to 0. How can I make the response into a 204? [HttpPost] public void DoSomething(string param) { // do some operation with param // now I wish to return a 204 no content response to the user // instead of the 200 OK response }

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  • Error downloading novacom drivers &ndash; WebOS

    - by Ken
    I got sick of the Bing Maps on WebOS not being able to find “coffee” when I’m in St. Paul.  Coffe Pk, TX anyone? – no thanks.  So I finally got around to installing PreWare on my Palm Pre 2.  The WebOS Quick Install doesn’t successfully download the novacom drivers.  You can find them here: http://downloads.help.palm.com/opensource/novacom/novacom-win-32.tgz http://downloads.help.palm.com/opensource/novacom/novacom-win-64-tgz Don’t bother trying the Novacom Universal Installer either. Then put phone in developer mode (by Typing webos20090606 and switch on developer mode), attach phone in “Just Charge” mode, run WebOS Quick Install, select the globe icon, and search for PreWare, install.

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  • Assembly 6800 Looping? Testing specific bits in a word.

    - by Jeremy
    Hi all, Trying to help a friend out with a friend out with some assembly code, but I've run into a small problem. I'm trying to work out how I would loop through a 8 bit binary word and check the value of specific bits. I need to check bits 1, 3, 5 & 7 to see if they are 1. i.e. int count = 1; int bitAdd = 0; foreach (var bit in word) { if (count = 1 || count = 3 || count = 5 || count = 7) { bitAdd += 1; } count += 1; } Help is much appreciated.

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  • Are there any GOOD javascript addins for Visual Studio?

    - by Jeremy B.
    In our daily work we maintain some rather large Javascript libaries. We use VS2008 and while they made some improvements to the Javascript IDE, I still find it lacking. There is no outlining, no collapsing, or other ways to keep the code organized. I have tried js-addin and JSLint which crash and don't have the features I want, respectively. I have actually gone as far as running Aptana Studio as their Javascript IDE is much better than what I can get out of Visual Studio. I'm getting tired of having to maintain 2 IDE's. Is there anything out there that can make Javascript editing less painful in Visual Studio 2008? (We don't have the option of 2010 yet).

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  • Get all link id from html source code using PREG_MATCH_ALL

    - by Jeremy Dicaire
    Hi there, I know i shouldn't do this that way but its just to retrieve all id of my links since i have a lot of them Here is the patern: <a href="mylink.php?get=123456">Click 1</a> <a href="mylink.php?get=222222">Click 2</a> <a href="mylink.php?get=81456">Click 3</a> <a href="mylink.php?get=1700">Click 4</a> I want to get all "get=" values (123456, 222222, etc.) And also the "Click 1", "Click 2", etc values using Preg_match_all() Any idea? Thanks a lot guys!!!

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  • How to Vertically Center Images on a Line?

    - by jeremy
    What's the best way to center icons on a line when the images are smaller than the line height? For example (styles inline for easier reading): <div style="line-height: 20px"> <img style="width: 12px; height: 12px;"/> Blah blah blah </div> Here's a jsFiddle example. This example also shows why vertical-align: middle does not work. I want the img to be centered against the text of the div. That is, even if the text wrapped to multiple lines, the image would be centered against a single line. Ideally, the solution would not involve setting margings/paddings on the image and would work even if I didn't know the line-height. Things I've read: How do I vertically align text next to an image with CSS? (deals with case where image is larger, doesn't seem to apply here) Understanding vertical-align

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  • Linq to SQL and Realtime Data

    - by Jeremy
    I have an application that needs to constantly (every 50ms), call to an MVC action, and pickup/drop off data. I am using Linq to SQL and MVC because of how simple they are to implement, and I know that they aren't perfect when it comes to performance, but it works relatively well, but the best speed I can get with my current approach is 200ms (without requests overlapping). Each call to the site will create a new instance of the datacontext, query/insert it and return that data. Is there a way to have the datacontext static, but submitchanges say every 5 seconds, so that i am pretty much hitting an in-memory version of the data?

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