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• jquery disable rule validation on a single field

  - by shake

  I am using mvc to create forms that are generated at runtime. For validation, I am trying my hand at the jquery validation library which is very convenient to use. I have the validation expression of each field in the cdata attribute of the tag <input type="text" name="xyz" id="xyz" class="defaultTextBox" cdata="{validate:{required:true, decimal:true, messages: {required:'Please enter an decimal value', decimal:'Please enter a valid decimal'}}}"> This works beautifully. Now one more requirement I have is that some fields are being shown and hidden according to the logic on the page and I need to disable the validation on the hidden fields such that they do not interfere with the form submission. Just toggling the required:true to false and back to true should be enough. Only i do not know how. Anyone has any experience with that?

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• C++ union assignment, is there a good way to do this?

  - by Sqeaky

  I am working on a project with a library and I must work with unions. Specifically I am working with SDL and the SDL_Event union. I need to make copies of the SDL_Events, and I could find no good information on overloading assignment operators with unions. Provided that I can overload the assignment operator, should I manually sift through the union members and copy the pertinent members or can I simply come some members (this seems dangerous to me), or maybe just use memcpy() (this seems simple and fast, but slightly dangerous)? If I can't overload operators what would my best options be from there? I guess I could make new copies and pass around a bunch of pointers, but in this situation I would prefer not to do that. Any ideas welcome!

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• Determine the lat lngs of markers within a polygon

  - by subh

  I have a google maps app which plots markers as it loads. One of the new requirment is to to add a Polygon overlay encompassing a selection of markers by the user. I was able to achieve that using the Geometry Controls of the GMaps Utility Library Now, the next step is to form a group of the selected markers for which I would need to determine if the lat lngs of the markers falls within the lat lngs of the polygon? Is there a way to determine the lat lngs of a polygon and compute if the marker's lat lng is within its boundaries?

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• Ajax / GroovyGrails Post data coming over with unexpected leading character. Who is encoding/decod

  - by ?????

  I'm having an encoding issue, and I'm not sure where to look for the problem. I have this Ajax.Request function (prototype library) sending data to a Groovy/Grails encoder var myAjax = new Ajax.Request(url, {method:'post', encoding:'UTF-8', contentType:'application/x-www-form-urlencoded', parameters:{'content':new_content}, onSuccess:success, onFailure:failure}); The data is coming in with an unexpected %A0 at the beginning: I have this simple controller that just echos the content back: def titlechange = { def content = URLDecoder.decode(params['content']) printf("Content: %s; DecodedContent = %s\n", params['content'], content) response.characterEncoding='UTF-8' render content } the debug print statement shows: Content: %A0Hello%2C%20world%21; DecodedContent = †Hello, world! Where is that %A0 coming from? My grails configuration has this: // The default codec used to encode data with ${} grails.views.default.codec="none" // none, html, base64 grails.views.gsp.encoding="UTF-8" grails.converters.encoding="UTF-8 Is the issue on the grails side or on the JavaScript side?

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• Newbie question about file formatting in Python

  - by user568041

  I'm writing a simple program in Python 2.7 using pycURL library to submit file contents to pastebin. Here's the code of the program: #!/usr/bin/env python2 import pycurl, os def send(file): print "Sending file to pastebin...." curl = pycurl.Curl() curl.setopt(pycurl.URL, "http://pastebin.com/api_public.php") curl.setopt(pycurl.POST, True) curl.setopt(pycurl.POSTFIELDS, "paste_code=%s" % file) curl.setopt(pycurl.NOPROGRESS, True) curl.perform() def main(): content = raw_input("Provide the FULL path to the file: ") open = file(content, 'r') send(open.readlines()) return 0 main() The output pastebin looks like standard Python list: ['string\n', 'line of text\n', ...] etc. Is there any way I could format it so it looks better and it's actually human-readable? Also, I would be very happy if someone could tell me how to use multiple data inputs in POSTFIELDS. Pastebin API uses paste_code as its main data input, but it can use optional things like paste_name that sets the name of the upload or paste_private that sets it private.

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• Make multiple targets in 'all'

  - by Hiett

  i'm trying to build a debug and release version of a library with a Makefile and copy those libraries to the relevant build directories, e.g. .PHONY: all clean distclean all: $(program_NAME_DEBUG) $(CP) $(program_NAME_DEBUG) $(BUILD_DIR)/debug/$(program_NAME_DEBUG) $(RM) $(program_NAME_DEBUG) $(RM) $(program_OBJS) $(program_NAME_RELEASE) $(CP) $(program_NAME_RELEASE) $(BUILD_DIR)/release/$(program_NAME_RELEASE) $(RM) $(program_NAME_RELEASE) $(RM) $(program_OBJS) $(program_NAME_DEBUG): $(program_OBJS) $(LINK_DEBUG.c) -shared -Wl,-soname,$(program_NAME_DEBUG) $(program_OBJS) -o $(program_NAME_DEBUG) $(program_NAME_RELEASE): $(program_OBJS) $(LINK_RELEASE.c) -shared -Wl,-soname,$(program_NAME_RELEASE) $(program_OBJS) -o $(program_NAME_RELEASE) The 1st target in all (program_NAME_DEBUG) compiles OK but the 2nd, (program_NAME_RELEASE) produces the following error: libGlamdring_rel.so make: libGlamdring_rel.so: Command not found make: *** [all] Error 127 libGlamdring_rel.so is the value of program_NAME_RELEASE It doesn't seem to be recognising the 2nd target as it does the 1st?

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• Simple Serialization Faster Than JSON? (in Ruby)

  - by Sinan Taifour

  I have an application written in ruby (that runs in the JRuby VM). When profiling it, I realized that it spends a lot (actually almost all of) its time converting some hashes into JSON. These hashes have keys of symbols, values of other similar hashes, arrays, strings, and numbers. Is there a serialization method that is suitable for such an input, and would typically run faster than JSON? It would preferable if it is has a Java or JRuby-compatible gem, too. I am currently using the jruby-json gem, which is the fastest JSON implementation in JRuby (as I am told), so the move will most likely be to a different serialization method rather than just a different library. Any help is appreciated! Thanks.

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• configuration in IOS MDM

  - by PhuongMaruko

  I'm reading some docs about MDM. According to "Moile device management protocol" document, server can set config for managed devices by installing profile files onto devices. Things that can config in that file are described in https://developer.apple.com/library/ios/featuredarticles/iphoneconfigurationprofileref/Introduction/Introduction.html. My Questions are: if server install 2 profiles that have different config for the same thing, what will happen? "Moile device management protocol" documents also mention about "Managed App Configuration and Feedback". So what is different between the previous config file with this function of server. Is "Managed App Configuration and Feedback" just for specific app, not for the whole device as profile files. which fields can be config via "Managed App Configuration and Feedback" of MDM? Thank all!

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• Detect if PCRE was built without the --enable-unicode-properties or --enable-utf8 configuration switches

  - by Mark Baker

  I've a PHP library that uses a number of regular expressions featuring the \P expressions for multibyte strings, e.g. ((((?:\P{M}\p{M}*)+?)|(\'[^\']*\')|(\"[^\"]*\"))!)?\$?([a-z]{1,3})\$?(\d+) While this works on most builds, I've had a few reports of the regexp returning an error. Depending on Operating platform, the error messages from PCRE are: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset n or Compilation failed: support for \\P, \\p, and \\X has not been compiled at offset n I know that I can probably test a regexp at the beginning of my code that uses \P, and trap for a returned error, then use that response to set a compatibility flag and provide a degraded (non UTF-8) regexp without the \P within the main body of my code based on that compatibility flag; but I was wondering if there was any simpler way to identify whether PCRE had been built without the --enable-unicode-properties or --enable-utf8 configuration switches. PHP provides access to PCRE_VERSION constant, but that won't help identify whether \P support is enabled or not.

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• hiding inner class implementation using namespace

  - by Abruzzo Forte e Gentile

  Hi all I am developing a library and a would like to provide my users a public interface separate from the real implementatino that is hidden in a namespace. This way, I could change only the class HiddenQueue without changing myQueue that will be exposed to users only. If I put the C++ code of HiddenQueue in the myQueue.cpp file the compiler complains saying _innerQueue has incomplete type. I thought that the linker was able to resolve this. What I am doing wrong here? Thanks Afg // myQueue.h namespace inner{ class HiddenQueue; }; class myQueue{ public: myQueue(); ); private: inner::HiddenQueue _innerQueue; }; /////////////////////////// // myQueue.cpp namespace inner{ class HiddenQueue{}; };

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• Allowing pop-up's and downloads with flex

  - by ShadowVariable

  I'm building an flex app that is basically a wrapper for a few websites. One of them is a google docs website, and I'm trying to get flex to allow downloads or popups or something that will allow me to do it. I've tried a whole bunch of solutions online and none of them have worked out. Here's the code so far: <?xml version="1.0" encoding="utf-8"?> <s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" width="100%" height="100%" creationComplete="onCreationComplete()"> <s:layout> <s:HorizontalLayout/> </s:layout> <fx:Style source="style.css"/> <fx:Script> <![CDATA[ include "CustomHTMLLoader.as"; private function onCreationComplete():void { // ... other stuff ... var custom:object; custom.htmlHost = new MyHTMLHost(); } ]]> </fx:Script> <fx:Declarations> <!-- Place non-visual elements (e.g., services, value objects) here --> </fx:Declarations> <s:BorderContainer width="100%" height="100%" backgroundColor="#87BED0" styleName="container"> <s:Panel x="188" y="17" width="826" height="112" borderAlpha="0.15" chromeColor="#0C5A74" color="#FFFFFF" cornerRadius="20" dropShadowVisible="false" enabled="true" title="Customer Service Control Panel"> <s:controlBarContent/> <s:Button id="home" x="13" y="10" height="44" label="Phones" click="myViewStack.selectedChild=Home;" enabled="true" icon="@Embed('assets/iconmonstr-mobile-phone-6-icon-32.png')"/> <s:Button id="liveagent" x="131" y="10" height="44" label="Live Agent" click="myViewStack.selectedChild=live_agent;" icon="@Embed('assets/iconmonstr-speech-bubble-11-icon-32.png')"/> <s:Button id="bigcommerce" x="260" y="10" width="158" height="44" label="Big Commerce" click="myViewStack.selectedChild=bigcommerce_home;" icon="@Embed('assets/iconmonstr-coin-6-icon-48.png')"/> <s:Button id="faq" x="436" y="10" width="88" height="44" label="FAQ" click="myViewStack.selectedChild=freqaskquestions;" fontFamily="Arial" icon="@Embed('assets/iconmonstr-help-4-icon-32.png')"/> <s:Button id="call" x="540" y="10" width="131" height="44" label="Google Docs" click="myViewStack.selectedChild=call_notes;" icon="@Embed('assets/iconmonstr-text-file-4-icon-32.png')"/> <s:Button id="hoot" x="684" y="10" width="122" height="44" label="HootSuite" click="myViewStack.selectedChild=hoot_suite;" icon="@Embed('assets/iconmonstr-facebook-icon-32.png')"/> </s:Panel> <mx:ViewStack id="myViewStack" x="0" y="140" width="100%" height="100%" borderStyle="solid"> <s:NavigatorContent id="Home"> <s:BorderContainer width="100%" height="100%"> <mx:HTML x="0" y="0" width="100%" height="100%" borderVisible="false" horizontalScrollPolicy="off" location="http://mbvphone.mtbakervapor.org/vbx/messages/inbox" /> </s:BorderContainer> </s:NavigatorContent> <s:NavigatorContent id="bigcommerce_home"> <s:BorderContainer width="100%" height="100%"> <mx:HTML x="0" y="0" width="100%" height="100%" borderVisible="false" horizontalScrollPolicy="off" location="http://www.mtbakervapor.com/admin" /> </s:BorderContainer> </s:NavigatorContent> <s:NavigatorContent id="live_agent"> <s:BorderContainer width="100%" height="100%"> <mx:HTML x="0" y="0" width="100%" height="100%" borderVisible="false" horizontalScrollPolicy="off" location="http://mbvphone.mtbakervapor.org/liveagent/agent/#login" /> </s:BorderContainer> </s:NavigatorContent> <s:NavigatorContent id="freqaskquestions"> <s:BorderContainer width="100%" height="100%"> <mx:HTML x="0" y="0" width="100%" height="100%" borderVisible="false" horizontalScrollPolicy="off" location="http://mbvphone.mtbakervapor.org/liveagent/" /> </s:BorderContainer> </s:NavigatorContent> <s:NavigatorContent id="call_notes"> <s:BorderContainer width="100%" height="100%"> <mx:HTML id="html" x="0" y="0" width="100%" height="100%" borderVisible="false" horizontalScrollPolicy="off" location="https://drive.google.com/a/mtbakervapor.com/" htmlHost="{new CustomHost()}" /> </s:BorderContainer> </s:NavigatorContent> <s:NavigatorContent id="hoot_suite"> <s:BorderContainer width="100%" height="100%"> <mx:HTML x="0" y="0" width="100%" height="100%" borderVisible="false" horizontalScrollPolicy="off" location="https://hootsuite.com/login" /> </s:BorderContainer> </s:NavigatorContent> </mx:ViewStack> <s:Image x="0" y="0" width="180" height="140" scaleMode="letterbox" smooth="false" source="assets/mbvlogo_black.png"/> </s:BorderContainer> </s:WindowedApplication> and the custom class code: package { import flash.html.HTMLHost; import flash.html.HTMLWindowCreateOptions; import flash.html.HTMLLoader; public class MyHTMLHost extends HTMLHost { public function MyHTMLHost(defaultBehaviors:Boolean=true) { super(defaultBehaviors); } override public function createWindow(windowCreateOptions:HTMLWindowCreateOptions):HTMLLoader { // all JS calls and HREFs to open a new window should use the existing window return HTMLLoader.createRootWindow(); } } } any help would be appreciated.

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• GEM Version Requirements Depreciated

  - by Kevin Sylvestre

  When creating a new Rails project using: rails sample Then creating a model using: script/generate model person first_name:string last_name:string Everything is fine. However, if I add any gems to my environment.rb: config.gem "authlogic" And run the same generator, I get the following: /Library/Ruby/Gems/1.8/gems/rails-2.3.5/lib/rails/gem_dependency.rb:119:Warning: Gem::Dependency#version_requirements is deprecated and will be removed on or after August 2010. The warning just recently appeared (I think), but I would like to fix it if possible. Any hints or similar experiences? Thanks.

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• Reusability, testability, code complexity reduction and showing-off-ability programming importance

  - by Andrew Florko

  There are lots of programming and architecture patterns. Patterns allow to make code cleaner, reusable, more testable & at last (but not at least) to feel the follower a real cool developer. How do you rank these considerations for you? What does affect you most when you decide to apply pattern? I wonder how many times code reusability (especially for MVP, MVC patterns) was important? For example DAL library often shared between projects (it's reusable) but how often controllers/views (abstracted via interfaces) are reused?

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• Problem about C++ class (inheritance, variables scope and functions)

  - by Luigi Giaccari

  I have a class that contains some data: class DATA Now I would to create some functions that uses those data. I can do it easily by writing member functions like DATA::usedata(); Since there are hundreds of functions, I would to keep an order in my code, so I would like to have some "categories" (not sure of the correct name) like: DATA data; data.memory.free(); data.memory.allocate(); data.file.import(); data.whatever.foo(); where memory, file and whatever are the "categories" and free, allocate and foo are the functions. I tried the inheritance way, but I got lost since I can not declare inside DATA a memory or file object, error C2079 occurs: http://msdn.microsoft.com/en-us/library/9ekhdcxs%28VS.80%29.aspx Since I am not a programmer please don't be too complicated and if you have an easier way I am all ears.

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• C++ Word-Number to int

  - by Andrew

  I'm developing a program that makes basic calculations using words instead of numbers. E.g. five + two would output seven. The program becomes more complex, taking input such as two_hundred_one + five_thousand_six (201 + 5006) Through operator overloading methods, I split each number and assign it to it's own array index. two would be [0], hundred is [1], and one is [2]. Then the array recycles for 5006. My problem is, to perform the actual calculation, I need to convert the words stored in the array to actual integers. I have const string arrays such as this as a library of the words: const string units[] = { "", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; const string teens[] = { "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" }; const string tens[] = { "", "", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety" }; If my 'token' array has stored in it two hundred one in index 0, 1, and 2, I'm not sure what the best way to convert these to ints would involve.

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• Help! Obj-C/Iphone programming: extracting string from html text and reading off line by line

  - by royden

  hihi, I have this html text response from a particular website: <tr><td valign="top"><img src="/icons/image2.gif" alt="[IMG]"></td><td><a href="crsdsdfs2221.jpg">crash-2221.jpg</a></td><td align="right">14-Jun-2010 14:29 Notice for every line, there is this href=".__", which is an image file with random name and random format. I would like to extract that string within the inverted commas out so that i can append it into a URL path and download the image. I've been looking through this documentation from apple: http://developer.apple.com/mac/library/documentation/cocoa/conceptual/strings/Articles/SearchingStrings.html#//apple_ref/doc/uid/20000149-CJBBGBAI on String programming but couldn't find one that fits my bill. Also after reading it, what code can I use to ensure that I will be reading the next line the next time my function is called( because I want to download the next picture). Hope some kind soul can help me out, thanks!

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• Passing parameters to service by URL - How do I discover the parameter names?

  - by VitalyB

  Hi, I have a report to which I have execute-only access - I don't have the access to the RDL file. This report exposes several parameters which I would like to set from URL. I've successfully changed some parameters using the standard param=data form (as explained here: http://msdn.microsoft.com/en-us/library/ms153586.aspx). However, some parameters don't have the same parameter-prompt and parameter-name. Unfortunately, to pass parameter values by URL I must know the name of the parameter and I don't see how I can deduct from the report and its parameters prompt text. I've tried to inspect the source and post-data but to no avail. Anyone has an idea? Thanks P.S I also stumbled on this: http://odetocode.com/Articles/123.aspx. However, I wasn't able to connect to the web-services of my report server.

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• How do I configure NetBeans to only step through Java code that I've written.

  - by blissapp

  Am I missing something? I'm delighted that all that code is there showing how the generic collections work etc. However when I want to simply walk my code I'm forever finding myself going deeper into Java's own library code than I care to. Is it possible to simply disable that when stepping code - I want to treat all of that stuff as a Black Box, code stepping is just for stuff I've written. And you know what, now I've got that capability, is it possible to wrap up my own code that way too so that I can step just the bits I'm most interested in? And if i can't easily in netbeans, is it possible in eclipse? thanks

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• Copying web part pages within SharePoint

  - by Jasper

  Hi, I'm trying to copy some web part pages (aspx) from one library into another. Reason is that I've got sites which are created dynamiccally. I also want to add some content (based on several rules) to those sites, which include aspx web part pages. The deployment works fine, but the web part pages are empty in the target site. As I've read in several blog posts, this has something to do with the ghosting of the files. Is there a way to literally copy all of the content in the ASPX to the site? The webparts aren't site or feature dependant, so the pages should work on every site. When I copy the pages with SPD, it works fine, but I don't understand how SPD does this.

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• why don't more programming languages have builtin interfaces to the window manager?

  - by Naveen

  Programming is at the heart about automating tasks on a computer. Presumably those tasks would normally be done manually by a human. Humans use the computer through the keyboard, mouse, and interaction with the console or the window manager. But very few languages have built in functions that provide an interface to these basic computing objects. A notable exception is autohotkey, an open source language on windows, providing builtin functions that allow the following simple tasks: * Get Pixel Information * Get mouse position * Keyboard macros * Simulate key strokes * Simulate mouse click * Window management See examples on rosettacode. There have been various attempts on linux, many of which were stopped without explanation. One is the inactive tcl library: android. Search google code for android, lang:tcl

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• How to implement/debug a sensor driver in ANDROID

  - by CVS-2600Hertz-wordpress-com

  Does anyone know of a walk-through or any examples of any code to setup sensors in android. I have the drivers available to me. Also i have implemented the sensors library as instructed in the Android-Reference along the sensors.h template. I am still unable to get any response at the apps level. How do i trace this issue? what might be the problem? Thanks in advance UPDATE: Jorgesys's link below points to a great APP to test if the sensor drivers are functioning properly or not. Not that i know they are not functioning, Any ideas of on where to dig??...

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• Installation Error When Installing Package from R Forge

  - by Suminda Sirinath Salpitikorala

  I am trying to update zoo from R Forge. install.packages("zoo", repo = "http://r-forge.r-project.org") But I get the following error Installing package(s) into ‘C:/REVOLU~1/R-COMM~1.3/R-212~1.2/library’ (as ‘lib’ is unspecified) Warning in install.packages : cannot open: HTTP status was '404 Not Found' Warning in install.packages : cannot open: HTTP status was '404 Not Found' Warning in install.packages : unable to access index for repository http://r-forge.r-project.org/bin/windows/contrib/2.12 Warning in install.packages : package ‘zoo’ is not available I am using Revolution R Community version 4.3 (64-bit). install.packages("zoo") Installs a slightly dated version of zoo

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• ASP.NET 3.5 Stateless Session Managment and connection pooling?

  - by Norm

  I am designing an ASP.NET (3.5) web application that connects to a Rocket Software UniVerse database. I am in the planning stages right now and need some help in being pointed in the right direction. I am brand new to ASP and C#. I am shooting for a RESTful design and a MVC pattern. Rocket provides a .NET library called UniObjects.NET which handles everything for connecting and retrieving information from the database. What would be the best way to in general to log my users into the database, then use that session via connection pooling? I see that in 3.5 there is the ASP.NET Routing Infrastructure and that looks promising am I in the right direction on this? Also does C# support decorators like Python and Java?

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• Best canvas for drawing in wxPython?

  - by Pablo Rodriguez

  I have to draw a graph of elements composing a topological model of a physical network. There would be nodes and arches, and the latter could be unidirectional or bidirectional. I would like to capture the clicking events for the nodes and the arches (to select the element and show its properties somewhere), and the dragging events for the nodes (to move them around) and arches (to connect or disconnect elements). I've done some research and I've narrowed the alternatives down to OGL (Object Graphics Library) and FloatCanvas. I would not like to go down to the DrawingContext, but it is not discarded if necessary. Which canvas option would you choose?

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• Cache an FTP connection via session variables for use via AJAX?

  - by Chad Johnson

  I'm working on a Ruby web Application that uses the Net::FTP library. One part of it allows users to interact with an FTP site via AJAX. When the user does something, and AJAX call is made, and then Ruby reconnects to the FTP server, performs an action, and outputs information. Every time the AJAX call is made, Ruby has to reconnect to the FTP server, and that's slow. Is there a way I could cache this FTP connection? I've tried caching in the session hash, but "We're sorry, but something went wrong" is displayed, and a TCP dump is outputted in my logs whenever I attempt to store it in the session hash. I haven't tried memcache yet. Any suggestions?

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