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• Dismissing the keyboard in a UIScrollView

  - by Nicholas1024

  Alright, I have a couple of UITextFields and UITextViews inside a UIScrollView, and I'd like to set the keyboard to disappear whenever the scrollview is touched or scrolled (except when you touch down inside the text field/view, of course). My current attempt at doing this is replacing the UIScrollView with a subclass, and setting it to call a removeKeyboard function (defined inside the main view controller) inside the touchesBegan method. However, this only removes the keyboard for a normal touch, not when the view is simply scrolled. So, what's the best way to remove the keyboard inside a UIScrollView? Thanks in advance for your help.

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• Generate a polygon from line.

  - by VOX

  I want to draw a line with thickness in j2me. This can easily be achieved in desktop java by setting Pen width as thickness value. However in j2me, Pen class does not support width. My idea is to generate a polygon from the line I have, that resembles the line with thickness i want to draw. In picture, on the left is what I have, a line with points. On the right is what I want, a polygon that when filled, a line with thickness. Could anyone know how to generate a polygon from line? http://www.freeimagehosting.net/uploads/140e43c2d2.gif

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• If my application doesn't use a lot of memory, can I ignore viewDidUnload:?

  - by iPhoneToucher

  My iPhone app generally uses under 5MB of living memory and even in the most extreme conditions stays under 8MB. The iPhone 2G has 128MB of RAM and from what I've read an app should only expect to have 20-30MB to use. Given that I never expect to get anywhere near the memory limit, do I need to care about memory warnings and setting objects to nil in viewDidUnload:? The only way I see my app getting memory warnings is if something else on the phone is screwing with the memory, in which case the entire phone would be acting silly. I built my app without ever using viewDidUnload:, so there's more than a hundred classes that I'd need to inspect and add code to if I did need to implement it.

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• Property Scope (Iphone)

  - by Hank

  Hello All. I am having trouble accessing a declared property and I think I am missing something fundamental about the nature of properties and perhaps view controllers. Here's what I'm doing so far: declaring a property "myPhone" in a root view controller called RootViewController. grabbing a phone number from a modally presented people picker setting "myPhone" to the value from the people picker (from within shouldContinueAfterSelectingPerson of ABPeoplePickerNavigationController) trying to access "myPhone" from another modally presented view controller "myPhone" continues to NSLog to null despite trying every permutation of self.myPhone, super, RootViewController, etc. to try and access the value I set. What am I missing?

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• How to Regex.IsMatch at a specified offset in .NET?

  - by romkyns

  Suppose I want to match "abc" within the string s only if it occurs exactly at index n. int n = 2; Console.WriteLine(new Regex("abc").IsMatch("01abc", n)); // true Console.WriteLine(new Regex("abc").IsMatch("0123abc", n)); // true (but want false) Console.WriteLine(new Regex("^abc").IsMatch("01abc", n)); // false (but want true) Seems that the only way to achieve this without using Substring on the input is something like this: var match = new Regex("abc").Match("0123abc", n); Console.WriteLine(match.Success && match.Index == n); This isn't too bad, except that when there is no match at the starting offset then the entire input will be scanned unnecessarily, which is probably slower for most regexes than actually creating a substring prior to the match. (I didn't time it though). Am I missing an obvious overload or setting that would restrict a match to the supplied offset only?

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• Content Types in browsers, can we use the Mime??

  - by SoLoGHoST

  Ok, I am wondering which mime types are dangerous in browsers? That is to say setting the Content Type to that mime type?? Which mime types, if any would pose a security risk?? I am noticing that many forum software, when uploading files, use the application/octet-stream for any files other than images and place that into the Content Type of the header. I am wondering why don't they place the actual mime-type instead into the Content Type? Are there security risks involved with this? So far I have used text/css, text/plain, audio/mpeg, and many others and haven't noticed any difference between application/octet-stream and these others. Does anyone out there know the exact difference, and what makes application/octet-stream any better, or any worse...to use for the Content Type?? Thank You :)

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• [Flex] Using same set of columns in AdvancedDataGrid in a TabBar

  - by user283403

  I have a TabBar control which will show an AdvancedDataGrid with same set of columns on different tabs, i am doing this so that i can show similar data on different tab pages. Column heading will be the same on all grids, is there a way I can put all column headings in an array and set that as columns of data grid? I tried setting the columns property but it doesn't work. Also I need to set ID property for a single column in the grid to set it the treecolumn so one column must have individual id field too.

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• Do superfluous calls to addEventListenter("event", thisSpecificFunction) waste resources?

  - by Richard Haven

  I have ItemRenderers that need to listen for events. When they hear an event (and when data changes), they dispatch an event with their current data value. As item renderers are reused, each of them is going to add its callback in set data(value...)and pass the callback function in the event as well as the current data value. So, the listener of the item renderer's bubbling event will set someEventDispatcher.addEventListener("someEvent", itemRendererEvent.callbackListener). This will happen more than once. Does setting the same event listener on the same event for the same dispatcher waste resources? Does the displatcher see that it already has the listener?

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• Return NSWindow to Normal Level

  - by PF1

  Hi Everyone: I have an NSWindow that I want to go above the captured kCGDirectMainDisplay when a function is run and have the window go back to its normal level after the display is released. My code works for capturing the display, setting the window's level, and releasing the display, however once the display is released, the window floats above all other windows. I have included my method of doing this, in case I am doing something wrong. Capture the display CGDisplayCapture(kCGDirectMainDisplay); [self.window setLevel:CGShieldingWindowLevel()]; Release the display CGDisplayRelease(kCGDirectMainDisplay) [self.window setLevel:NSNormalWindowLevel]; Thanks for any help!

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• how to inject javascript code in url to insert iframe in existing page

  - by dotnetcoder

  I am able to get the following JS to create IFRAME and add it to the page. The issue is if I create JS method on the page and ivoke it on a button click it works. But when I try to inject the same JS into the page url via setting the location.href it does not work the right way , rather it replaces the existing page with a new iframe. Here is my code: location.href = "javascript:ifrm = document.createElement('IFRAME');ifrm.style.width = 60+'px';ifrm.style.height = 40+'px';document.body.appendChild(ifrm);";

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• Windows Mobile 6.5 Running Program List Icon

  - by CNutt

  I've got an windows mobile 6.5 application I'm developing and am having trouble with one icon. At the top right hand of the screen there is an icon that, when clicked, will display a list of programs running the background with the option to close them. When my program is in this list, it's icon does not show up as the others do. I'm my exe I've got an .ico for 16x16, 22x22, 32x32, 36x36, 44x44, 45x45, 60x60, and 64x64, with the optional 90x90 png and registry setting in my cab. What am I missing?

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• When we run an aspx page with client side scripting on IIS, we get an ActiveX control error?

  - by Ananya

  we have implemented the code for installing the messenger theme pack using the client side scripting in a web page. We are creating an object of the messenger using the classid .Using this object we call the installcontent() method and try to install the messenger theme pack hosted at following path: http://www.messengerexpressions.com/assets/worldCup/cabs/en-gb.cab Our code initially checks whether the messenger is installed on the user machine or not. Then it checks for the user login ,once the messenger is installed on the machine. And if the user is signed-in , the messenger theme pack is installed. The code currently when hosted on IIS checks the “Sign-In of the user” but when it tries to install the theme pack an error is thrown “An ActiveX control on this page is unsafe.Your current security settings prohibit running unsafe control on this page.As a result,this page may not be display as intended.” Please let us know if any setting is required on IIS for running this piece of codeor anything that we are missing out.

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• WCF client hangs on response

  - by JohnIdol

  I have a WCF client (running on Win7) pointing to a WebSphere service. All is good from a test harness (a little test fixture outside my web app) but when my calls to the service originate from my web project one of the calls is extremely slow to deserialize (it takes up to 10 times longer) and not just the first time. I can see from fiddler that the response comes back quickly but then the WCF client hangs on the response itself for more than a minute before the next line of code is hit by the debugger, almost if the client was having trouble deserializing. This happens only if in the response I have a given pdf string, base64 encoded chunked. If for example the service raises a fault (this pdf string is not there) then the response is deserialized immediately. Again, If I send the exact same envelope through Soap-UI or from outside the web project all is good. I am at loss - What should I be looking for and is there some config setting that might do the trick? Any help appreciated!

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• Cache images provided through script

  - by Wim Haanstra

  I have a script, which by using several querystring variables provides an image. I am also using URL rewriting within IIS 7.5. So images have an URL like this: http://mydomain/pictures/ajfhajkfhal/44/thumb.jpg or http://mydomain/pictures/ajfhajkfhal/44.jpg This is rewritten to: http://mydomain/Picture.aspx?group=ajfhajkfhal&id=44&thumb=thumb.jpg or http://mydomain/Picture.aspx?group=ajfhajkfhal&id=44 I added caching rules to IIS to cache JPG images when they are requested. This works with my images that are REAL images on the disk. When images are provided through the script, they are somehow always requested through the script, without being cached. The images do not change that often, so if the cache at least is being kept for 30 minutes (or until file change) that would be best. I am using .NET/C# 4.0 for my website. I tried setting several cache options in C#, but I cant seem to find how to cache these images (client-side), while my static images are cached properly.

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• OpenCL support on Leopard

  - by koan

  I want to use OpenCL in my software but I am running Leopard. I will probably update to Snow Leopard later. In the mean time I would like to get started with OpenCL in Leopard. Setting up on 10.5 is confusing: most SDKs and articles assume that you must be using Snow Leopard. Searching for "Using OpenCL on Leopard" is completely useless, as you would expect. I downloaded the cuda toolkit, devdriver and gpucomputing SDK from nvidia but the examples won't compile because OpenCL/opencl.h is not found. The OpenCL release notes don't mention MacOSX so again I think this is assuming that all Mac users are running Snow Leopard. Where can I find OpenCL includes and libraries for Mac OSX 10.5 ? Or, is this just a waste of time and I should go and get Snow Leopard ASAP ? After upgrading to Snow Leopard I would like my software to support Leopard. Is this possible ?

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• Mysql Master Slave Replication on Large Database table (how to sync initial data)

  - by Brian Lovett

  We have a production server and a dev server. We have found that backups are nearly impossible on the production server because of the query volume we experience. So, we're looking at setting up replication with our dev server being the slave. This is ideal because we can afford to lock the tables on that server and additionally it will be nice to have up to date data for the developers. Now, the issues. The production server can't really be taken down or locked at this point, at least not easily. We have a high query volume and fairly large 30+ GB innodb tables. Both servers are running all innodb and are also both on mysql 5.1. What can we do to sync the data initially to get replication started? I've tried a few options, but so far, none have worked.

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• Oracle global_names DELETE problem

  - by jyzuz

  I'm using a database link to execute a DELETE statement on another DB, but the DB link name doesn't conform to global naming, and this requirement cannot change. Also I have global_names set to false, and cannot be changed either. When I try to use these links however, I receive: ORA-02069: - global_names parameter must be set to TRUE for this operation Cause: A remote mapping of the statement is required but cannot be achieved because GLOBAL_NAMES should be set to TRUE for it to be achieved. - Action: Issue `ALTER SESSION SET GLOBAL_NAMES = TRUE` (if possible) What is the alternative action when setting global_names=true is not possible? Cheers, Jean

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• How to change the jtooltip timers for 1 component.

  - by i30817

  I have a component where i want to display a custom jtooltip. That is easy, just change the getTooltip method. Similar for location and text. However i also want to change the timers. The tooltip should always be displayed if the mouse is over a cellrenderer of the component. If it leaves all of those it should be turned invisible. I know that i can use TooltipManager to control the times globally. But the best solution is probably to just shortcircut that and display the tooltip myself with a mouselistener. However when i tried to do that (unregister the component in TooltipManager and setting the tooltip visible, with text and in the correct position, in a mouse listener) the tooltip never showed at all. What am i doing wrong?

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• how to get value in text field

  - by air

  i have one text field and setting its name & values from php like <input type="text" id="qtyProductID_' . $productID . '" size="3" value="' . $totalItems . '" > i also have image button for click event <a href=fun.php?action=update&productID=' . $productID . ' onClick="return false;"><img src="images/update.jpg" id="updateProductID_' . $productID . '"></a> now after click in JS file i want to get value of text field i click var productIDValSplitter = (this.id).split("_"); var productIDVal = productIDValSplitter[1]; var tqty = $('#qtyProductID_'.productIDVal[1]).attr('value'); alert(tqty); i am getting error i am looking for how to set the variable name in $('#qtyProductID_'.productIDVal[1]) Thanks

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• Is there a way to have one project build another in Visual Studio?

  - by Martin Neal

  We are finally getting a source control system in place at work and I've been in charge of setting it up. I've read that it's usually good practice to not include binaries in source control so I haven't. However, we have two all-purpose utility projects (each in their own solution) that generate utility .dll's which are included in almost all of our other projects (all each in their own separate solutions). We add references to the utility dll from our projects. I would like to have our solutions set up in such a way that if the reference dll isn't built, the solution will build the dll for itself, much in the same way a make file checks for its dependencies and builds them when they're out of date or missing. I'm new to build processes with VS so try to keep the answers simple. Any links to general build process overview tutorials would be great too. Googleing for VS references returns a bunch of how-to add references links which is not exactly what I want.

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• Changing gmail Settings with Ruby

  - by Technocrat

  I need to configure my gmail account(s) programmatically with Ruby. I checked out the apps api and it looks like the simplest possible solution would be to use ClientLogin for logging in and a simple XML PUT for changing the forwarding setting, for example. I wrote a little test script like so: http://gist.github.com/373457 It would appear that the call to ClientLogin works because it comes back with an Auth= token. When it sends the PUT request to google, however, it comes back with a RestClient::Unauthorized exception. I rewrote the script with pure net/https and it turns out the message I'm getting is invalid token, yet I can't figure out what is wrong with my token. Can anyone else see it?

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• nested list comprehension using intermediate result

  - by KentH

  I am trying to grok the output of a function which doesn't have the courtesy of setting a result code. I can tell it failed by the "error:" string which is mixed into the stderr stream, often in the middle of a different conversion status message. I have the following list comprehension which works, but scans for the "error:" string twice. Since it is only rescanning the actual error lines, it works fine, but it annoys me I can't figure out how to use a single scan. Here's the working code: errors = [e[e.find('error:'):] for e in err.splitlines() if 'error:' in e] The obvious (and wrong) way to simplify is to save the "find" result errors = [e[i:] for i in e.find('error:') if i != -1 for e in err.splitlines()] However, I get "UnboundLocalError: local variable 'e' referenced before assignment". Blindly reversing the 'for's in the comprehension also fails. How is this done? THanks. Kent

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• Fixing CSS positioning and scaling

  - by Louis

  I was contemplating writing a UI toolkit where setting the position and size of an element/widget was intuitive and powerful. Here are some examples of how it would be used (not currently implemented): ui("Panel").size(". 40").pos("0 0").attach(element); ui("Textarea").size(". %-10").pos("0 40").attach(element); ui("Panel").size(". 10").pos("0 bottom+5"); Where . means auto, % means 100% and the possibility to add pixels to percentages. Does anything like said exist (even as a jQuery plugin or something)? Somethings just aren't possible with pure CSS.

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• How do I get stdout into mstest output when running in new app domain?

  - by btlog

  I have been working on test framework, which creates a new app domain to run the tests in. The primary reason being the dll's that we are testing has some horrible code that relies on the dll being located in the app domain path. (No I can't change this code.) The problem that I am having is that my test team is writing a bunch of functional tests in mstest and one of the loggers, that writes to Console.Out, does not have any of the log information captured in the trx output. When running the code through a console app all of the log information is output fine. So do the other loggers that have been implemented. My thought is that mstest is setting its own TextWriter to Console.Out, but the new app doamin has it's own TextWriter for Console.Out as the new app domain has it's own set of statics. I appreciate your ideas.

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• Cruise control: should deployment be in tasks or publishers?

  - by Aligma

  I'm setting up a Cruise Control configuration for one project. I have an <msbuild> task under <tasks>. It seems that I have the option of putting my file deployment under either <tasks> or <publishers>. Logically I would think it should reside under <publishers> but none of the examples I have seen online work this way. Should deployment happen within in <tasks> or <publishers>?

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