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• wanting a good memory + disk caching solution

  - by brofield

  I'm currently storing generated HTML pages in a memcached in-memory cache. This works great, however I am wanting to increase the storage capacity of the cache beyond available memory. What I would really like is: memcached semantics (i.e. not reliable, just a cache) memcached api preferred (but not required) large in-memory first level cache (MRU) huge on-disk second level cache (main) evicted from on-disk cache at maximum storage using LRU or LFU proven implementation In searching for a solution I've found the following solutions but they all miss my marks in some way. Does anyone know of either: other options that I haven't considered a way to make memcachedb do evictions Already considered are: memcachedb best fit but doesn't do evictions: explicitly "not a cache" can't see any way to do evictions (either manual or automatic) tugela cache abandoned, no support don't want to recommend it to customers nmdb doesn't use memcache api new and unproven don't want to recommend it to customers

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• Trace Routing for a Certain port

  - by Mubashar Ahmad

  Dear Network Gurus Before saying anything let me tell you that i am not well educated int networks related subjects. I am a software developer and I have written and exposed a Service on HTTPS at port 8000. Now i want to know that if there is any kind of software that can help me to trace if there is any kind of port blocking from one site to my service location with information of blocker host. I have tried couple of Tracerout software like wintrace but all these uses ICMP protocols and there is no option to provide port number in them. And moreover i like to ad an exception in Firewall for incoming ICMP protocal in windows server 2003 windows firewall but i can't see anyoption to ad protocol in exception instead there are only options to ad a program or ad a port of udp or tcp. Please help Regards

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• C++ domain specific embedded language operators

  - by aaa

  hi. In numerical oriented languages (Matlab, Fortran) range operator and semantics is very handy when working with multidimensional data. For example: A(i:j,k,:n) // represents two-dimensional slice B(i:j,0:n) of A at index k unfortunately C++ does not have range operator (:). of course it can be emulated using range/slice functor, but semantics is less clean than Matlab. I am prototyping matrix/tensor domain language in C++ and am wondering if there any options to reproduce range operator. I still would like to rely on C++/prprocessor framework exclusively. So far I have looked through boost wave which might be an suitable option. is there any other means to introduce new operators to C++ DSL?

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• Creating a Mac OS application that interacts with all text fields

  - by mjdth

  What would be the first step to creating an application for Mac OS X that would take user interaction from any text field in the system? A couple examples of apps that do this are TextExpander and Typinator. What I want to do would be using similar functions to access Text fields throughout the computer during user input to give other additional options, I'm just not sure where to even start in Xcode and with what type of project to use. Any help or links would be greatly appreciated! Thanks!

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• Randomly Losing Session Variables Only In Google Chrome & URL Rewriting

  - by Toby

  Using Google Chrome, I'm seemingly losing/corrupting session data when navigating between pages (PHP 5.0.4, Apache 2.0.54). The website works perfectly fine in IE7/8, Firefox, Safari & Opera. The issue is only with Google Chrome. I narrowed down the problem. I'm using search friendly URL's, and hiding my front controller (index.php) via a .htaccess file. So the URL looks like: www.domain.com/blah/blah/ Here's the .htaccess file contents: Options +FollowSymlinks RewriteEngine on #allow cool urls RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*) index.php [L] #allow to have Url without index.php If I remove the .htaccess file, and expose the front controller in the URL: www.domain.com/index.php/blah/blah/, Chrome works perfectly fine. Any thoughts ideas? I'm thinking it's some kind of problem with how Chrome identifies what cookie to use and send to the server? This happens in Chrome 4 & 5. Thanks!

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• Rails 4 json return on API

  - by El - Key

  I'm creating an API on my application. I currently overrided the as_json method in my model in order to be able to get attached files as well as logo from Paperclip : def as_json( options = {} ) super.merge(logo_small: self.logo.url(:small), logo_large: self.logo.url(:large), taxe: self.taxe, attachments: self.attachments) end Then within my controller, I'm doing : def index @products = current_user.products respond_with @products end def show respond_with @product end The problem is that on the index, I don't want get all the attachments. I only need it on the show method. So I tried it : def index @products = current_user.products respond_with @products, except: [:attachments] end But unfortunately it's not working. How can I do to not send :attachments? Thanks

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• autocomplete issue with iScroll

  - by user1434647

  I am using jQuery Autocomplete on my jQUeryMobile application. It works perfect. Now I'm trying to use iScroll.js to scroll through the list of looked up items. Here is what I'am doing, http://jsfiddle.net/uXbKY/39/ The problem is, iscroll is applying only for the first item of the suggestion box, where as I'm not able to scroll through entire list.Please help me if I'm missing anything in my code.Please help me to acheive this using iScoll. I found one more way that we can use custom touch based scrollbar for autocomplete box http://jsfiddle.net/uXbKY/2/ but there is a issue that, the custom scrollbar appears only for first search and it disappears from the suggastion box when list get refreshed, Please suggest me if we can fix this, because both options are fine for me for using my autocomplete in ipad and android. or if anyone thinks there's a better way to do this than with iScroll and jScrollPane, you are wel-come I'm open to suggestions. Thanks in Advance,

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• Wanting a type of grid for a pixel editor

  - by wiggles

  Hi, I am currently trying to develop a basic pixel editor application to build up my programming experience with Java. I am designing it so the user has several colour options on, they click on an option and then they can drag over the cells in the grid and they change colour (like a typical image editor, but with a sort of snap on to each grid cell) Any idea of what Java component, if any, is able to implement this type of grid in Java? I had thought of each cell being a JButton, but this seemed terribly inefficient and I don't think it would be possible to change the colour of each cell(button) with out individually clicking on each one. Any help appreciated.

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• Ref to map vs. map to refs vs. multiple refs

  - by mikera

  I'm working on a GUI application in Swing+Clojure that requires various mutable pieces of data (e.g. scroll position, user data, filename, selected tool options etc.). I can see at least three different ways of handling this set of data: Create a ref to a map of all the data: (def data (ref { :filename "filename.xml" :scroll [0 0] })) Create a map of refs to the individual data elements: (def datamap { :filename (ref "filename.xml") :scroll (ref [0 0]) })) Create a separate ref for each in the namespace: (def scroll (ref [0 0])) (def filename (ref "filename.xml")) Note: This data will be accessed concurrently, e.g. by background processing threads or the Swing event handling thread. However there probably isn't a need for consistent transactional updates of multiple elements. What would be your recommended approach and why?

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• Django Generating RSS feed with description

  - by Issy

  Hey Guys, I am trying to generate a full rss feed, however when loading the feed in Mail, it just shows the title, with a read more link at the bottom. I have tried several different options. But none seem to work. I would like to generate the feed with a combination of several feeds in my modl. Here is the code i have tried: class LatestEvents(Feed): description_template = "events_description.html" def title(self): return "%s Events" % SITE.name def link(self): return '/events/' def items(self): events = list(Event.objects.all().order_by('-published_date')[:5]) return events author_name = 'Latest Events' def item_pubdate(self, item): return item.published_date And in my template which is stored in TEMPLATE_ROOT/feeds/ {{ obj.description|safe }} <h1>Event Location Details</h1> {{ obj.location|safe }} Even if i hard code the description it does not work.

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• how to set a tableview delegate

  - by dubbeat

  Hi, I'm trying to use a tableview without using a nib and without using a UITableViewController. I have added a UITableView instance to a UIViewController Like So mytable = [[UITableView alloc] initWithFrame:CGRectMake(22, 207, 270, 233)]; [mytable setDelegate:self]; [self.view mytable]; Also I have added the following table view methods to my UIViewController (cut for brevities sake) - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { I am getting a warning saying that my UIViewController does not implement UITableView delegate protocol. Whats the correct way to tell the table view where its delegate methods are? (This is my first attempt at trying to use a UITableView without selecting the UITableTableview controller from the new file options)

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• How do I use Amazon's new RRS for S3?

  - by pbarney

  Reduced Redundancy Storage (RRS) is a new service from Amazon that is a bit cheaper than S3 because there is less redundancy. However, I can not find any information on how to specify that my data should use RRS rather than standard S3. In fact, there doesn't seem to be any website interface for an S3 services. If I log into AWS, there are only options for EC2, Elastic MapReduce, CloudFront and RDS, none of which I use. Any insight? Thanks.

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• Recursively listing, and storing, directory contents

  - by enchilada

  I know how to recursively list directory contents. I will be using Snow Leopard's enumeratorAtURL:includingPropertiesForKeys:options:errorHandler: method to do this. However I want to store my findings into a object hierarchy (of, say, objects of a custom FileOrDirectory class that has isLeaf, children, and count attributes). I need to pre-load the directory and file structure into such a object hierarchy, in order to do whatever I want with NSTreeController and whatnot. I guess the trickiest thing here is to get the children attribute correct in the object hierarchy. Any ideas?

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• Clean way to output values in ASP.NET MVC Views when value is not null

  - by Swoop

  Is there a better way to write the code below? I have quite a few blocks that are similar, and this is making the code in the Viewpage very messy to work with. The data value with the associated label only needs to be output when certain conditions are met, which is almost always if the value is not null. The options I can think is to use a response.write to atleast minimize the usage of the ASP script tags, or to format the webpage is such a way that the label displays with an appropriate n/a type value. <% if (myData.Balance != null) { %> Balance: <%= String.Format("{0:C}", (myData.Balance))%> <% } %>

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• Photo printing API system?

  - by webdestroya

  I am looking for options to provide customers on my website a way to order prints for photos. (It is a photo sharing site, so it needs to be automated, I don't want any portfolio sites that require uploads and what not). Basically it just needs where I send them the photos, the address, (and possibly billing info) and they make the prints and mail them out. I have searched all over the place for such a system, but none seem to offer what I want. I tried hacking snapfish (which worked, but it says "Return to Picasa" on the buttons, which makes it sort of lame...) Any ideas?

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• Mobile App integrating with Web portal

  - by Shine

  I'm planning to develop a city info site. The web pages will display contents from a constantly updating MySQL database- most probably using a CMS. I am planning to share the same database for a Mobile app related to this. In the pages there are options for using geolocation, rate and comment for the user. I think, this mobile app should work while it's offline too. So how should i deal with data for mobile? Should i use a connection between MySQL and IndexedDB? (I'm not quite sure about this part). Appreciating your time & help.

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• Creating a standalone ASP.NET MVC application for Windows XP

  - by Robert Harvey

  Is there a way to create an installable (ideally XCopy installable) version of an ASP.NET MVC application that will run in a standalone fashion on a Windows XP machine? I don't mind installing SQL Server Express for this purpose, so I guess the question boils down to this: Can the Cassini web server that comes with Visual Studio 2008 be bundled with the application? Or are there other options? NOTE: The installation is for demo purposes only, so there are no licensing problems. Also, I am suggesting Cassini because I don't know of a way to install IIS7 on Windows XP. I can't do major hackage on the registry to get this to work.

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• Creating Visual Studio Templates

  - by vanja.

  I'm looking to create a Visual Studio 2008 template that will create a basic project and based on remove certain files/folders based on options the user enters. Right now, I have followed some tutorials online which have let me create the form to query the user and pass the data into an IWizard class, but I don't know what to do from there. The tutorials provide a sample to do some simple substitution: code: Form1 form = new Form1(); DialogResult dlg = form.ShowDialog(); if (dlg == DialogResult.OK) { foreach (KeyValuePair<string, string> pair in form.Parameters) { if (!replacementsDictionary.ContainsKey(pair.Key)) replacementsDictionary.Add(pair.Key, pair.Value); else replacementsDictionary[pair.Key] = pair.Value; } } form.Close(); but I'm looking to selectively include files based on the user settings, and if possible, selectively include code sections in a file based on settings. Is there a clever way to do this, or will I manually have to delete project files in the IWizard:ProjectFinishedGenerating()?

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• Automated browsing with javascript?

  - by Paul Wicks

  I'm trying to do some browser automation, but I'm having some problems. Basically, what I'd like to do is load a set pages, set some forms options, click a button and view the results for each page that I open. Originally, I tried to do this by placing the pages I wanted to automate in iframes and then using javascript to drive the interactions I want in each, but that results in a Permissions Error, since the sites I want to automate are not on my server. Is there any way around this? The other possibility I've thought of is to use QT's webkit class and the evaluateJavaScript method to accomplish what I'd like to do, but this seems a bit more heavy weight for something that is, conceptually, pretty simple.

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• YUI Autocomplete: itemSelectEvent getting lost with IE6 and IE7?

  - by Parand

  I'm using YUI Autocomplete (latest version loaded using loader as of today (May 14th, 2010), which looks to be 2.8.1, with the following options: ac = new YAHOO.widget.AutoComplete("mynode", "autocomp_node", ac_ds, {typeAhead: true, forceSelection: true}); ac.itemSelectEvent.subscribe( function(type, args) { alert("hey:" + args[2][1]); $('#parent_id').val(args[2][1]); }); The itemSelectEvent catches selections in AutoComplete and fills in some data on the parent. This works on FF, Chrome, Safari, and IE8. On IE6 and IE7, however, the event never seems to trigger. To replicate: In the autocomplete field, allow it to autofill for you, then hit enter. This should select the autofill and move on to the next field (that's what it does in other browsers). With IE6 and IE7 it seems to instead trigger the form submission - the itemSelectEvent never fires (or perhaps fires after the form submission?). Has anyone seen this? Any work-arounds?

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• Storing unique ID in UITableViewCell

  - by culov

  I have a table where there will often be two cells with the same title. I'm zooming in on a map whenever a cell in the table is clicked, so using the title as a unique identifier is out of the question. I already have a unique identifier, but I need to find a way to store it in a UITableViewCell object. I have been considering two options, both of which are poor, IMO. 1) store the unique ID as the text inside the text of the detailTextLabel property. 2) build a custom UITableViewCell class. I'm new to objective C, and I would essentially like to know if theres a third option that isnt as inefficient as #1, but not as involved as #2. Thanks

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• OpenLayers FramedCloud Autosizing

  - by Kyle

  According to the documentation, I should be able to configure the size of my OpenLayers popup by declaring an OpenLayers.Size object in the FramedCloud constructor: this.popup = new OpenLayers.Popup.FramedCloud('featurePopup', this.options.feature.geometry.getBounds().getCenterLonLat(), new OpenLayers.Size(80, 60), this.template(this.formattedAttrs()), null, true, this.onPopupClose ); Currently the popup that is rendered is autosized no matter what dimensions I use in the constructor. I've tried manually setting the autosizing attribute of the FramedCloud to false as well as manually adjusting the css styling for the popup without achieving the results I need. I checked and found some similar issues in the OpenLayers 2.11 issues list, but I haven't found a workaround. Any ideas?

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• PHP rewrite giving 404, .htaccess problem?

  - by Hamid

  I have the following .htaccess: #Options +FollowSymLinks RewriteEngine on RewriteBase /phptest on my local testing server (http://localhost) I have to uncomment the first line for the site to work. Otherwise I get Error 403 (Forbidden). Once I upload the page to my webserver (FastHosts) I get Error 500 (Internal Server Error) if the first line is not commented out. If I comment it out, my page loads but it cannot find the page content which is mydomain.com/phptest/Home I get a 404. Any suggestions on what the problem might be?

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• How do I force git to use LF instead of CR+LF under windows?

  - by Sorin Sbarnea

  I want to force git to checkout files under Windows using just LF not CR+LF. I checked the two configuration options but I was not able to find the right combination of settings. I want it to convert all files to LF and keep the LF on the files. Remark: I used autocrlf = input but this just repairs the files when you commit them. I want to force it to get them using LF. Probably I wasn't so clear: the repository is already using LF but the files checked out using msysgit are using CR+LF and I want to forge msysgit to get them with LF: forcing Unix line endings.

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• How do I get the path of the current executed file in python?

  - by Sorin Sbarnea

  This may seam a newbie question but it is not. It looks that common approaches are not always working: Currently I know only two options but none of them looks to work an all cases. sys.argv[0] This means using path = os.path.abspath(os.path.dirname(sys.argv[0])) but this does not work if you are running from another python script from another directory, and this can really happen in real life. __file__ this means that path = os.path.abspath(os.path.dirname(__file__)) but I found that this doesn't work: py2exe that doesn't have a __file__ attribute but there is an workaround. when you run from IDLE with execute() there is no __file__ attribute OS X 10.6 where I get NameError: global name '__file__' is not defined Related questions with incomplete answers: http://stackoverflow.com/questions/1296501/python-find-path-to-file-being-run http://stackoverflow.com/questions/1483827/python-path-to-current-file-depends-on-how-i-execute-the-program http://stackoverflow.com/questions/2259503/how-to-know-the-path-of-the-running-script-in-python http://stackoverflow.com/questions/509742/python-chdir-to-dir-the-py-script-is-in

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