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• How to scroll and zoom in/out large images on iPhone?

  - by Horace Ho

  I have a large image, size around 30000 (w) x 6000 (h) pixels. You may consider it's like a big map. I assume I need to crop it up into smaller tiles. Questions: what are the right ViewControllers to use? (link) what is the tile strategy? (I put this in another question, as it's not iPhone specific) Requirements: whole image (though cropped) can be scrolled up/down/left/right by swipes zoom in (up to pixel-to-pixel) out (down to screen-fit-by-height) by the 2-finger operation memory efficiency by lazy loading tiles Bonus requirements: automatic scroll, say from left to right slowly and smoothly Thanks!

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• Is git svn rebase required before git svn dcommit?

  - by allyourcode

  I'm reading about using git as an svn client here: http://learn.github.com/p/git-svn.html That page suggests that you do git svn rebase before git svn dcommit, which makes perfect sense; it's like doing svn update before doing svn commit. Then, I started looking at the documentation for git svn dcommit (I was wondering what the 'd' is about): http://www.kernel.org/pub/software/scm/git/docs/git-svn.html You have to scroll down a bit to see the documentation on dcommit, which says this: Commit each diff from a specified head directly to the SVN repository, and then rebase or reset (depending on whether or not there is a diff between SVN and head). This confuses me, because if you do as the first page says, there will be no changes to pull down from svn once the first part of dcommit finishes. I'm also confused by the part that talks about reset; isn't git reset for removing changes from the staging area? Why would rebase or reset follow (the first part of) a dcommit?

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• Silverlight/Web Service Serializing Interface for use Client Side

  - by Steve Brouillard

  I have a Silverlight solution that references a third-party web service. This web service generates XML, which is then processed into objects for use in Silverlight binding. At one point we the processing of XML to objects was done client-side, but we ran into performance issues and decided to move this processing to the proxies in the hosting web project to improve performance (which it did). This is obviously a gross over-simplification, but should work. My basic project structure looks like this. Solution Solution.Web - Holds the web page that hosts Silverlight as well as proxies that access web services and processes as required and obviously the references to those web services). Solution.Infrastructure - Holds references to the proxy web services in the .Web project, all genned code from serialized objects from those proxies and code around those objects that need to be client-side. Solution.Book - The particular project that uses the objects in question after processed down into Infrastructure. I've defined the following Interface and Class in the Web project. They represent the type of objects that the XML from the original third-party gets transformed into and since this is the only project in the Silverlight app that is actually server-side, that was the place to define and use them. //Doesn't get much simpler than this. public interface INavigable { string Description { get; set; } } //Very simple class too public class IndexEntry : INavigable { public List<IndexCM> CMItems { get; set; } public string CPTCode { get; set; } public string DefinitionOfAbbreviations { get; set; } public string Description { get; set; } public string EtiologyCode { get; set; } public bool HighScore { get; set; } public IndexToTabularCommandArguments IndexToTabularCommandArgument { get; set; } public bool IsExpanded { get; set; } public string ManifestationCode { get; set; } public string MorphologyCode { get; set; } public List<TextItem> NonEssentialModifiersAndQualifyingText { get; set; } public string OtherItalics { get; set; } public IndexEntry Parent { get; set; } public int Score { get; set; } public string SeeAlsoReference { get; set; } public string SeeReference { get; set; } public List<IndexEntry> SubEntries { get; set; } public int Words { get; set; } } Again; both of these items are defined in the Web project. Notice that IndexEntry implments INavigable. When the code for IndexEntry is auto-genned in the Infrastructure project, the definition of the class does not include the implmentation of INavigable. After discovering this, I thought "no problem, I'll create another partial class file reiterating the implmentation". Unfortunately (I'm guessing because it isn't being serialized), that interface isn't recognized in the Infrastructure project, so I can't simply do that. Here's where it gets really weird. The BOOK project CAN see the INavigable interface. In fact I use it in Book, though Book has no reference to the Web Service in the Web project where the thing is define, though Infrastructure does. Just as a test, I linked to the INavigable source file from indside the Infrastructure project. That allowed me to reference it in that project and compile, but causes havoc in the Book project, because now there's a conflick between the one define in Infrastructure and the one defined in the Web project's web service. This is behavior I would expect. So, to try and sum up a bit. Web project has a web service that process data from a third-party service and has a class and interface defined in it. The class implements the interface. The Infrastructure project references the web service in the Web Project and the Book project references the Infrastructure project. The implmentation of the interface in the class does NOT serialize down, so the auto-genned code in INfrastructure does not show this relationship, breaking code further down-stream. The Book project, whihc is further down-stream CAN see the interface as defined in the Web Project, even though its only reference is through the Infrastructure project; whihc CAN'T see it. Am I simple missing something easy here? Can I apply an attribute to either the Interface definition or to the its implmentation in the class to ensure its visibility downstream? Anything else I can do here? I know this is a bit convoluted and anyone still with me here, thanks for your patience and any advice you might have. Cheers, Steve

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• click-event doesn't fire if blur changes layout

  - by rag

  I have a form with blur-events bound to the required fields. Then there is a "Cancel" Button which simply calls an URL (button is an image with click-event). When leaving one of the required fields a warning is written to the page saying that field xy is required. - this causes a layout shift, meaning all the fields and the buttons are moved down a little bit because of the text inserted above. The tricky thing is this: when the focus is in an empty but required field and you click the cancel button, the required-warning is written to the screen but the click-event on the cancel button doesn't fire. I think this is due to the layout shift. The mouse cursor doesn't hover over the button anymore, because the button scrolled down. Has anyone a good idea how i could solve this?

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• Partial Git deployment strategy?

  - by MatW

  I need to setup a Kohana dev environment that allows me to make full use of shared module / system classes across separate applications. Each application typically belonging to a different client. I use Git for source control, but am struggling to come up with a clean deployment method that will allow me to pull only those parts of the dev environment specific to a client / app down into that client's production environment (assuming that the client's production environment will have Git installed). Dev enviroment: - kohana - applications - clientapp1 - clientapp2 - modules - public_html - clientapp1 - clientapp2 - system - 3.0.1 - 3.0.5 Client 1's production environment: - / - applications - clientapp1 - modules - public_html - client_app1 - system - 3.0.5 Naturally, I want to have total control over each client "sub repo" as if it were an independent repo (in terms of gitignore, etc). I have seen topics that cover Git's sparse checkout feature, but it seems like it may cause a few problems down the line from a maintenance point of view, and I don't like the idea of the entire repo's metadata existing in client's production environment repo. As you can probably tell, I'm not exactly a Git poweruser, so any suggestions / wisdom are very welcome!

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• Using multiple SWF Object - Flash doesn't focus on rollover

  - by WiseDonkey

  I've got a page with multiple embeds of Flash objects, including dynamically created graphs. I'm including them all with SWF Object JS declared in the header. It works fine in the fact that all are loaded. But, for some reason when you move down on the page (so they're out of view) and back, or click on another object it no longer has focus when you're rolling over. I.e. I have a flash menu that moves on rollover. When you go down the page, click on something, then go back up it no longer response to rollover. I've seen bits on here and elsewhere about losing focus in Firefox (which is the browser Im using - i havent managed to find this bug in IE) but it's talking about literally not being able to type or whatever, when you click on it. This is on rollover. Has anyone got any advice or thoughts on this subject?

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• SQL server - climb up in the tree structure

  - by Vytas999

  Hello. I have some sql table, named Object, which saves tree data in fields ObjectID, ParentID, and others. I have implemented recurse procedure, which select everything down by objectID from tree, like this: 1. 1.1. 1.2. 1.2.1. ... Now o need to "Climb up" - by some ObjectID i need to select everything Up, like this: 1.2.1. 1.2. 1. How i can do that? In example, my "down" procedure looks like: ALTER PROCEDURE [dbo].[Object_SelectDownByRoot_Simple] @ObjectID int AS WITH tree (ObjectID, ParentID, ObjectName, ObjectCode) AS ( SELECT ObjectID, ParentID, ObjectName, ObjectCode FROM dbo.[ObjectQ] ofs WHERE( ObjectID = @ObjectID ) UNION ALL SELECT ofs.ObjectID, ofs.ParentID, ofs.ObjectName, ofs.ObjectCode FROM dbo.[ObjectQ] ofs JOIN tree ON tree.ObjectID = ofs.ParentID ) SELECT ObjectID, ParentID, ObjectName, ObjectCode FROM tree

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• how to change label size dynamically using numericupdown in C#

  - by sama

  I want to know how to change label size using current value in numeric up-down list using C#

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• PHP: How should I move my code from dev to production?

  - by Teddy

  I have created a PHP web-application. I have 3 environments: DEV, TEST, PROD. What's a good tool / business practice for me to move my PHP web-application code from DEV to TEST to the PROD environment? Realizing that my TEST environment still only connects to my TEST database; whereas, I need to PROD environment to connect to my PROD database. So the code is mostly the same, except that I need to change my TEST code once moved into PROD to connect to the PROD database and not TEST database. I've heard of people taking down Apache in such away that it doesn't allow new connections and once all the existing connections are idle it simply brings down the web server. Then people manually copy the code and then manually update the config files of the PHP application to also point to the PROD instance. That seems terribly dangerous. Does a best practice exists?

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• Small gaps in section headers with custom headers - iPhone / Objective-C

  - by zhar

  Hi there! Since I wanted to use the standard section header with a different font size, I just made custom section headers by using an UIImageView with the standard section header as an image. It looks fine at first, but when I scroll the table, there are small gaps below and above the section headers: Since I am not allowed to post images or more than one hyperlink yet, I will have to provide you with one link to those images: Click me! Picture: How it looks like without touching anything Picture: Dragging the table down Picture: Dragging/Scrolling the table up So as you can hopefully see, there is a small empty gap under (2nd pic) and above (3rd pic) the section header. Another thing to mention is, that the standard behaviour of non-custom section headers is, that they don't become transparent when I drag the table down (making the table offset < 0.0). Is there a way to make custom section headers mimic the same behaviour without those annoying gaps? Greetings, Zhar

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• NGINX returning 404 error on a valid url

  - by Harrison

  We have a site that runs PHP-FPM and NGINX. The application sends invitations to site members that are keyed with 40 character random strings (alphanumerics only -- example below). Today for the first time we ran into an issue with this approach. The following url: http://oursite.com/notices/response/approve/1960/OzH0pedV3rJhefFlMezDuoOQSomlUVdhJUliAhjS is returning a 404 error. This url format has been working for 6 months now without an issue, and other urls following this exact format continue to resolve properly. We have a very basic config with a simple redirect to a front controller, and everything else has been running fine for a while now. Also, if we change the last character from an "S" to anything other than a lower-case "s", no 404 error and the site handles the request properly, so I'm wondering if there's some security module that might see something wrong with this specific string... Not sure if that makes any sense. We are not sure where to look to find out what specifically is causing the issue, so any direction would be greatly appreciated. Thanks! Update: Adding a slash to the end of the url allowed it to be handled properly... Would still like to get to the bottom of the issue though. Solved: The problem was caused by part of my configuration... Realized I should have posted, but was headed out of town and didn't have a chance. Any url that ended in say "css" or "js" and not necessarily preceded by a dot (so, for example, http://site.com/response/somerandomestringcss ) was interpreted as a request for a file and the request was not routed through the front controller. The problem was my regex for disabling logging and setting expiration headers on jpgs, gifs, icos, etc. I replaced this: location ~* ^.+(jpg|jpeg|gif|css|png|js|ico)$ { with this: location ~* \.(jpg|jpeg|gif|css|png|js|ico)$ { And now urls ending in css, js, png, etc, are properly routed through the front controller. Hopefully that helps someone else out.

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• Merge changes when a file on a branch has split into two files on the master

  - by carleeto

  This is basically the result of a massive class C on the master having been refactored down the line into two smaller classes, C1 and C2. C was then made a subclass of C2 and cut down to a skeletal version for backward compatibility. So from that point on, master contained C, C1 and C2. On that master commit git said C was renamed to C1. The branch was last updated before this happened. (All C++ code, if it helps to visualize the files involved) Obviously, when I tried a rebase of the branch onto master, there were conflicts that needed to be resolved. As usual, I used mergetool. So now the mergetool comes up with the following: On Local, I have the skeletal version of C. Base and Remote have a bunch of changes to C. Because the skeletal version of C exists on Local, I conclude that the changes from Base and Remote should actually go into C1, leaving C alone. My question is, how do I do this?

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• Terminal emulation has stopped working. Garbage escape chars

  - by oligofren

  To enable me to do some remote administration of our servers I started using a terminal emulation program called TouchTerm Pro on my iPhone. While not the smoothest experience, it has allowed me to leave my computer behind when going out of town, which makes the slightly painful experience worthwhile. As of late, the app unfortunately no longer works. Pressing up and down keys after logging on via ssh gives me garbage like ^[[A and ^[[B. Combinations with Ctrl - like you can see in the video - no longer works either. Writing full command lines and executing by the enter key works though. Being able to search my bash history was the difference between a usable app and endless frustration, so getting it to work is essential. The app has (of course) met its end of life, not getting updated anymore. I am not quite sure, which side (client or server) that has to be "fixed"/hacked to make the control sequences work again. But is there something I can do to make it work as intended? You can see a video of TouchTerm in operation here.

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• C# Console Application: Preventing Control-C from being printed?

  - by Alan

  Hi. I have a console app, and I want to capture Control-C and shutdown gracefully. I have the following code: Console.CancelKeyPress += new ConsoleCancelEventHandler((o, e) => { Logger.Log("Control+C hit. Shutting down."); resetEvent.Set(); }); And the output windows shows: 6/16/2010 3:24:34 PM: Control+C hit. Shutting down. ^C Is there a way to prevent the control-c character ^C from appearing? It's not a huge deal, but for some reason Ill be fixated on it because I'm anal like that.

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• Program ends abruptly even in debugger - how did that happen?

  - by Mick

  I am trying to debug a program that unexpectedly shuts down. When I say "shuts down, I mean one moment I am seeing all the windows being displayed, each of which is showing all the right data,then suddenly all the windows disappear. The is no messagebox reporting anything wrong. So I tried running the program in the debugger hoping that it would somehow trap whatever was causing the program to abort, but even within the debugger the program simply ends abruptly. The last line in the debugger is: The program '[5500] test.exe: Native' has exited with code 0 (0x0). My program which is extremely large and extremely old has a lot of self diagnostics. My suspicion is that perhaps a self test has failed and maybe I just called "exit()", forgetting to pop up a dialog explaining why. My question now is, how can I find out from which point in the code, my program quit?

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• How to force restart a Windows box using VBScript?

  - by tloach

  I'm trying to find a way to force Windows to reboot, and I am running into issues. I've tried Set OpSysSet = GetObject("winmgmts:{authenticationlevel=Pkt," _ & "(Shutdown)}").ExecQuery("select * from Win32_OperatingSystem where "_ & "Primary=true") for each OpSys in OpSysSet retVal = OpSys.Reboot() next I've also tried using the shutdown -f -r command, and in both cases I sometimes get no response, and if I try again I get an error saying "Action could not complete because the system is shutting down" even though no matter how long I leave it it doesn't shut down, it still allows me to start new programs, and doing a shutdown -a gives the same error. How can a script be used to force Windows to reboot?

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• When element comes into view of the window execute function

  - by Ben Shelock

  How can I execute a function on an element as soon as it comes into view of the window when I scroll down?

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• Inserting Rows Without Selecting Anyting?

  - by Soo

  Hello SO, I'm working in VBA and want to insert a row in a specific location without selecting it. The issue I'm having is that after the row is selected, the spreadsheet is scrolled down to that row when the script is finished running. I want to be able to do this without the spreadsheet being scrolled down to the inserted row. Rows(i & ":" & i).Select ActiveCell.EntireRow.Insert I don't want to select A1 to get to the top.

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• How to scale an image (in data URI format) in JavaScript (real scaling, not using styling)

  - by 103067513055141045393

  We are capturing a visible tab in a Chrome browser (by using the extensions API chrome.tabs.captureVisibleTab) and receiving a snapshot in the data URI scheme (Base64 encoded string). Is there a JavaScript library that can be used to scale down an image to a certain size? Currently we are styling it via CSS, but have to pay performance penalties as pictures are mostly 100 times bigger than required. Additional concern is also the load on the localStorage we use to save our snapshots. Does anyone know of a way to process this data URI scheme formatted pictures and reduce their size by scaling them down? References: Data URI scheme on http://en.wikipedia.org/wiki/Data_URI_scheme Chrome Extensions API onhttp://code.google.com/chrome/extensions/tabs.html The "Recently Closed Tabs" Chrome Extension onhttp://code.google.com/p/recently-closed-tabs

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• How do you make an image opened in colorbox scrollable

  - by nicholas.alipaz

  I would like my images that I open in colorbox to be displayed fullsize with no resizing applied to them and then apply scrollbars to allow for viewing the larger images. Some of my images are quite tall and things get pixelated when resized down. Currently colorbox just resizes my images down to the size of the available height/width. Is there a way to make all images display fullsize with overflow scrollable in colorbox? I am linking directly to an image: <a href="/myimage.png" title="My Image" class="colorbox imagefield imagefield-imagelink imagefield-field_portfolio_screenshot initColorbox-processed cboxElement" rel="gallery-12"> <img src="/thumb/myimage.png" alt="image" title="My Image" class="imagecache imagecache-portfolio_screenshot_thumb" height="50" width="50"> </a>

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• Multiple Servers with identical services

  - by Jerry Bailey

  I have a dozen servers in different locations all running the same web service application but each going against their own SQL Server DB. I am writing a desktop application that consumes the web services. I want to present the user with a drop down of all servers in the network that are running the same wweb service application. Do I have to add a ServiceReference for each of the servers running the web service app and thereby having as many proxies as there are servers? Or can a define a single instance of the services and dynamically build a list of endpoints to select from a drop down?

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• iPhone - UIView Animation not looping correctly

  - by Robert

  Hey all, got a little problem here and can't figure out what I am doing wrong. I am trying to animate a UIView up and down repeatedly. When I start it, it goes down correctly and then back up but then immediately shoots to the "final" position of the animation. Code is as follows: UIImageView *guide = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"image.png"]]; guide.frame = CGRectMake(250, 80, 30, 30); [self.view addSubview:guide]; [UIView beginAnimations:nil context:nil]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:2]; [UIView setAnimationRepeatAutoreverses:YES]; [UIView setAnimationBeginsFromCurrentState:YES]; guide.frame = CGRectMake(250, 300, 30, 30); [UIView setAnimationRepeatCount:10]; [UIView commitAnimations]; Thanks in advance!

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• Find Loding performance of the Website

  - by pandora

  How to find the site performance, there is a tools like YSLOW, Speed traker in google that shows the speed of the website. I have done a php project on LMS with Zend Framework, Everything is in live. When user post contents for a subject that may be size 200K and submitted to the server takes too slow. Sometime server may get DOWN. I login to server(PUTTY) and checked i found that there is more resource occupied in my server. It uses full memory on the server. When i cleared the resource the site loads well. Site is in Dedicated server with 3 more domains with 4GB Ram. Because of this LMS website all the website gets down. I need to check what is wrong in my website. How do i Start?

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• Log out of an SSH session into Erlang VM without stopping the VM or leaving stale processes

  - by Garret Smith

  I have an Erlang application running as a daemon, configured as an SSH server. I can connect to it with an SSH client and I get the standard Erlang REPL. If I 'q().' I shut down the Erlang VM, not the connection. If I close the connection ('~.' for OpenSSH, close the window in PuTTY) some processes remain under the sshd_sup/ssh_system_xx_sup tree. These appear to be stale shell processes. I do not see any exported function in the shell module that would let me shut down the shell (and therefore the SSH connection) without affecting the entire VM. How should I be logging out of the SSH session to not leave stale processes in the VM?

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• jQuery using .html & then window.scrollTo

  - by AnApprentice

  Hello, I'm doing the following: First, inject HTML into the page (a lot) which then increases the window scrollbar: $("#XXXX").html("LOTS OF HTML").show(); Then i want to scroll down to the end of the page: window.scrollTo(0,$(document).height()); Problem is the page never scrolls down. I did some console.logging and the scrollTo is running before the HTML from the inject html() is run. I tried this in the JS which injects the HTML, I then tried doing the scroll inside the HTML inject but that made no difference. Any ideas?

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