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• How to access the remote OPC server programatically ?

  - by Shailesh Jaiswal

  I have downloaded & installed the OPCDA.NET client component evaluation & XMLDA.NET client component evaluation. It provides some C# samples for browsing the available OPC Server, connecting to the OPC server, & browsing the available items on the server. I know the programatic way in which we can access the local OPC server. It is provided in the sample C# applications. I have installed the OPC server on another machine ( remote machine ). I have done all the required setting related to the 'dcomcnfg' utility. I can access the remote OPC server from client machine by using the Test Client provided by the OPCDA.NET client component evaluation & XMLDA.NET client component evaluation. But I am unaware of how this can be done programmatically. In the available C# samples I found no such programatic part (coding ) in which we can access the remote OPC server. Can you provide me the code through which I can browse the available remote machines in my network, available OPC server on each machine after selecting the specific machine name, connecting to the OPC server & browsing the available items on the server ? or Can you provide me the any link through which I can resolve the above issue ?

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• Visual Studio 2008 Generation of Designer File Failed (Cannot use a leading .. to exit above the top

  - by tardomatic

  Hi, It seems the universe is against me this week. I have been happily coding away on my ASP.Net application for weeks now without issues. Today I tried to add a textbox to a form, and on saving the form, I received the following error: Generation of designer file failed: Cannot use a leading .. to exit above the top directory I googled, but with no luck. I did find a blog post that shows how to add a key into the registry so that Visual Studio logs more detail about these errors, and the following is what shows up in the generated log file: ------------------------------------------------------------- C:\[path to aspx file]\PageName.aspx Generation of designer file failed: Cannot use a leading .. to exit above the top directory. ------------------------------------------------------------- System.Web.HttpException: Cannot use a leading .. to exit above the top directory. at System.Web.Util.UrlPath.ReduceVirtualPath(String path) at System.Web.Util.UrlPath.Reduce(String path) at System.Web.Util.UrlPath.Combine(String appPath, String basepath, String relative) at System.Web.VirtualPath.Combine(VirtualPath relativePath) at System.Web.VirtualPath.Combine(VirtualPath v1, VirtualPath v2) at System.Web.VirtualPathUtility.Combine(String basePath, String relativePath) at Microsoft.VisualStudio.Web.Application.Parser.BeginParse(String virtualPath, String text) at Microsoft.VisualStudio.Web.Application.Generator.UpdateDesignerClass(String document, String codeBehind, String codeBehindFile, String[] publicFields, UDC_Flags flags) ------------------------------------------------------------- And, of course this means that there is no way I can reference the newly added text box from the code behind. I thought it might be just this page giving the issue, but I have tried three other pages with the same result. I haven't changed the environment for weeks, so I am not sure how this happens. Any ideas out there? Thanks in advance Hamish

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• matplotlib.pyplot/pylab not updating figure while isinteractive(), using ipython -pylab

  - by NumberOverZero

  There are a lot of questions about matplotlib, pylab, pyplot, ipython, so I'm sorry if you're sick of seeing this asked. I'll try to be as specific as I can, because I've been looking through people's questions and looking at documentation for pyplot and pylab, and I still am not sure what I'm doing wrong. On with the code: Goal: plot a figure every .5 seconds, and update the figure as soon as the plot command is called. My attempt at coding this follows (running on ipython -pylab): import time ion() x=linspace(-1,1,51) plot(sin(x)) for i in range(10): plot([sin(i+j) for j in x]) #see ** print i time.sleep(1) print 'Done' It correctly plots each line, but not until it has exited the for loop. I have tried forcing a redraw by putting draw() where ** is, but that doesn't seem to work either. Ideally, I'd like to have it simply add each line, instead of doing a full redraw. If redrawing is required however, that's fine. Additional attempts at solving: just after ion(), tried adding hold(True) to no avail. for kicks tried show() for ** The closest answer I've found to what I'm trying to do was at http://stackoverflow.com/questions/2310851/plotting-lines-without-blocking-execution, but show() isn't doing anything. I apologize if this is a straightforward request, and I'm looking past something so obvious. For what it's worth, this came up while I was trying to convert matlab code from class to some python for my own use. The original matlab (initializations removed) which I have been trying to convert follows: for i=1:time plot(u) hold on pause(.01) for j=2:n-1 v(j)=u(j)-2*u(j-1) end v(1)= pi u=v end Any help, even if it's just "look up this_method" would be excellent, so I can at least narrow my efforts to figuring out how to use that method. If there's any more information that would be useful, let me know.

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• able to get the events in fullcalender, but not able to sync these events with time

  - by Ubaid

  i just loved the fullcalendar and wanted to implement it in a small application, everythin worked OK. i am able to get the events from my database through json to the front end. but all events are being listed as "ALL-DAY" events itself. not able to figure out why.. here is the screenshot for the same. any ideas what is going wrong..? i am using asp.net and c#. i have already tried sending the start and end dates in the ToString(), ToShortDateString(), ToString("s"), ToLongDateString(), ToUniversalTime(). nothing seems to working for me at the moment. i tried hard coding and sendin the data too. sample json of my data [{ "id": "2", "title": "Event2", "start": "1274171700", "end": "1274175600" }, { "id": "1", "title": "Event1", "start": "5/18/2010 16:30:00", "end": "5/18/2010 19:30:00" }, { "id": "3", "title": "Event3", "start": "5/18/2010 2:05:00 PM", "end": "5/18/2010 3:10:00 PM" }, { "id": "4", "title": "Event4", "start": "5/18/2010", "end": "5/18/2010" }, { "id": "5", "title": "Event5", "start": "2010-05-18T14:05:00", "end": "2010-05-18T15:10:00" }] all data above has different formats of dates, and at the moment nothing seems to be working. fullcalender accepts the day part fine, but not the time part. not sure why. can anybody help?

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• How to get a file path from c drive in android

  - by Thomas Mathew

  I was trying to extract the content of a pdf file and display its content in android. I tired the code in java and it worked.But when i am coding it in android, its not displaying anything. I think, its not getting the file path. Is there any way by which i could get a file stored in c drive and store its path in a string? The code is given below: public class hello extends Activity { /** Called when the activity is first created. */ private static String INPUTFILE = "FirstPdf.pdf"; String str; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); try { Document document = new Document(); document.open(); PdfReader reader = new PdfReader(INPUTFILE); int n = reader.getNumberOfPages(); str=PdfTextExtractor.getTextFromPage(reader, 2); } catch (IOException e) { //e.printStackTrace(); } catch (InterruptedException e) { e.printStackTrace(); } TextView tv = new TextView(this); tv.setText(str); setContentView(tv); } } I would be very grateful if the problem is solved.

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• Useful training courses that aren't specific to a single technology

  - by Dave Turvey

  I have possibly the best problem in the world. I have about £1600 left in a training budget and I need to find something to spend it on. I can spend it on anything that could be considered training. Books, courses, conferences, etc. I would like to find a course that would benifit a software developer but is not about learning a specific programming technology. I don't really want to spend it on a technical training course. These topics are usually best learned with a good book and some trial and error. I have also already been on a general business/management training course and a PRINCE2 project management course. I am currently working on a project on my own so am responsible for communicating with the client, requirements gathering, project management, etc., as well as the coding. What training have you found useful outside the usual technical stuff? Has anyone done any business analysis courses? What were they like? Are there any courses on some of the practicalities of working with software, e.g. automated test and deployment strategies, handling technical support? I would prefer a course in the UK but I can travel if necessary.

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• Making REST request using LWP::Simple

  - by Alienfluid

  I am trying to use LWP::Simple to make a GET request to a REST service. Here's the simple code: use LWP::Simple; $uri = "http://api.stackoverflow.com/0.8/questions/tagged/php"; $jsonresponse= get $uri; print $jsonresponse; On my local machine, running Ubuntu 10.4, and Perl version 5.10.1: farhan@farhan-lnx:~$ perl --version This is perl, v5.10.1 (*) built for x86_64-linux-gnu-thread-multi I can get the correct response and have it printed on the screen. E.g.: farhan@farhan-lnx:~$ head -10 output.txt { "total": 1000, "page": 1, "pagesize": 30, "questions": [ { "tags": [ "php", "arrays", "coding-style" (... snipped ...) But on my host's machine to which I SSH into, I get garbage printed on the screen for the same exact code. I am assuming it has something to do with the encoding, but the REST service does not return the character set type in the response, so how do I force LWP::Simple to use the correct encoding? Any ideas what may be going on here? Here's the version of Perl on my host's machine: [dredd]$ perl --version This is perl, v5.8.8 built for x86_64-linux-gnu-thread-multi

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• JavaScript - Building JSON object

  - by user208662

  Hello, I'm trying to understand how to build a JSON object in JavaScript. This JSON object will get passed to a JQuery ajax call. Currently, I'm hard-coding my JSON and making my JQuery call as shown here: $.ajax({ url: "/services/myService.svc/PostComment", type: "POST", contentType: "application/json; charset=utf-8", data: '{"comments":"test","priority":"1"}', dataType: "json", success: function (res) { alert("Thank you!"); }, error: function (req, msg, obj) { alert("There was an error"); } }); This approach works. But, I need to dynamically build my JSON and pass it onto the JQuery call. However, I cannot figure out how to dynamically build the JSON object. Currently, I'm trying the following without any luck: var comments = $("#commentText").val(); var priority = $("#priority").val(); var json = { "comments":comments,"priority":priority }; $.ajax({ url: "/services/myService.svc/PostComment", type: "POST", contentType: "application/json; charset=utf-8", data: json, dataType: "json", success: function (res) { alert("Thank you!"); }, error: function (req, msg, obj) { alert("There was an error"); } }); Can someone please tell me what I am doing wrong? I noticed that with the second version, my service is not even getting reached. Thank you

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• Getting started with SVG graphics objects in JSF 2.0 pages.

  - by AlanObject

  What I want to do is create web pages with interactive SVG content. I had this working as a Java desktop application using Batik to render my SVG and collect UI events like mouseclick. Now I want to use those SVG graphics files in my JSF (Primefaces) web application in the same way. Trying to get started, I found this didn't work: <h:graphicImage id="gloob" value="images/sprinkverks.svg" alt="Graphic Goes Here"/> I don't mind doing some reading to get up the learning curve. It was just a bit surprising that some google searches didn't turn up anything useful. What I did find suggested that I would have to do this with the f:verbatim tag as if I were hand-coding the HTML. I would then have to add some script to capture the SVG events and feed them back into the AJAX code. If I have to do all that I will, but I was hoping there would be an easier and automated way. So the questions are: How to get the image to render in the first place? How to get the DOM events from the SVG portion of the page back to the backing beans? Much thanks for any pointers.

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• Javascript :(….. Oh!! So its jquery? Now what?? I’m a C# Guy

  - by Shekhar_Pro

  Hi guys I want you to Guide me here. This other day I was working out some AJAX for my ASP.Net website and handling client side code in Java was taking the hell out of me. Then I got my hands on this Book jQuery In Action 2nd Edition and solved my problem with the help of Example code in the book. Now as I checked the contents I got an overview that whatever I had ever thought of doing can be done by this jQuery so easily and quite cleanly. I am actually pretty new to web development (say abt 4months ) and from C# world where we have cool libraries and Simple and Elegant coding style. (yeah including those generic, Ienumerable, lambadas, chained statements.. you got it…) and you know what you’re doing when writing some code. And we have so great IntelliSense to care., and above all we have everything Strongly Typed. But in Javascript everything is so messy.. . (and I don’t know why they are not properly indented.. see page source ) Now tell me what should I do, go straight with jQuery or should I first learn Javascript (like a disciplined boy…I even have a book for that too… got in gift :) …. ) I have seen Is it a good idea to learn JavaScript before learning jQuery? but remember I have already got a project on my hand…

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• Project Euler Question 14 (Collatz Problem)

  - by paradox

  The following iterative sequence is defined for the set of positive integers: n -n/2 (n is even) n -3n + 1 (n is odd) Using the rule above and starting with 13, we generate the following sequence: 13 40 20 10 5 16 8 4 2 1 It can be seen that this sequence (starting at 13 and finishing at 1) contains 10 terms. Although it has not been proved yet (Collatz Problem), it is thought that all starting numbers finish at 1. Which starting number, under one million, produces the longest chain? NOTE: Once the chain starts the terms are allowed to go above one million. I tried coding a solution to this in C using the bruteforce method. However, it seems that my program stalls when trying to calculate 113383. Please advise :) #include <stdio.h> #define LIMIT 1000000 int iteration(int value) { if(value%2==0) return (value/2); else return (3*value+1); } int count_iterations(int value) { int count=1; //printf("%d\n", value); while(value!=1) { value=iteration(value); //printf("%d\n", value); count++; } return count; } int main() { int iteration_count=0, max=0; int i,count; for (i=1; i<LIMIT; i++) { printf("Current iteration : %d\n", i); iteration_count=count_iterations(i); if (iteration_count>max) { max=iteration_count; count=i; } } //iteration_count=count_iterations(113383); printf("Count = %d\ni = %d\n",max,count); }

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• Looking for an elegant appwidget skin solution

  - by sam-henwood

  I have an appwidget application and would like to enable users to create skins which can be applied at runtime. My preferred solution is to use apk files with nine patch png images that stretch to fit the ImageView's of widget, however its starting to look like I might have to use another packaging technique (e.g. zip files). What I've tried: Importing nine patch resources as Drawable with context.getResourcesForApplication(my.app).getResources..., converting them to bitmaps using a canvas and setting the bitmap to the RemoteView using setImageViewBitap. This didn't work because I needed to specify the size of the resulting view (myBitmap.setBounds(..,..)) during conversion and some of the widths/heights in my appwidget aren't fixed. Perhaps there is a way to get the heights etc that I missed. Importing resources directly to the RemoteView using setImageViewUri() This doesn't work because the function doesn't seem to read android.resource:// Uri's anymore (I poked around in the ImageView source and it only seems to read files paths and content:// Uri's) Importing resources directly to the RemoteView using setImageViewResource() which didn't work because the id retrieved from the external package obviously doesn't include a package reference. What I'm trying to avoid is hard coding all my appwidget width's and height's, or using a separate packaging scheme. Has anyone implemented appwidget skins nicely and want to share the knowledge? Alternately there might be a hole in my logic somewhere that can be pointed out. I can provide code if required though I don't have any here right now.

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• DataTableReader is invalid for current DataTable 'TempTable'

  - by Sk93

  Hi, I'm getting the following error whenever my code creates a DataTableReader from a valid DataTable Object: "DataTableReader is invalid for current DataTable 'TempTable'." The thing is, if I reboot my machine, it works fine for an undertimed amount of time, then dies with the above. The code that throws this error could have been working fine for hours and then: bang. you get this error. It's not limited to one line either; it's every single location that a DataTableReader is used. Also, this error does NOT occur on the production web server - ever. This is an example of one of the lines where it falls over: If I step over this line, I get this: However, if I do this in the immediate window: I get no problems. Same goes if I actually use that line in the code. This has been driving me nuts for the best part of a week, and I've failed to find anything on Google that could help (as I'm pretty positive this isn't a coding issue). Some technical info: DEV Box: Vista 32bit (with all current windows updates) Visual Studio 2008 v9.0.30729.1 SP dotNet Framework 3.5 SP1 SQL Server: Microsoft SQL Server 2005 Standard Edition- 9.00.4035.00 (X64) Windows 2003 64bit (with all current windows updates) Web Server: Windows 2003 64bit (with all current windows updates) any help, ideas, or advice would be greatly appreciated! Cheers, Ian

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• Having Uploadify e-mail a link to download the file

  - by kwek-kwek

  Uploadify is a jQuery plugin that allows the easy integration of a multiple (or single) file uploads on your website. It requires Flash and any backend development language. An array of options allow for full customization for advanced users, but basic implementation is so easy that even coding novices can do it. I wanted to ask if It is possible to sends out a link of a file that has just been uploaded wioth the e-mail notification of Uploadify. Here is the code for uploadify.php : <?php if (!empty($_FILES)) { $tempFile = $_FILES['Filedata']['tmp_name']; $targetPath = $_SERVER['DOCUMENT_ROOT'] . $_REQUEST['folder'] . '/'; $targetFile = str_replace('//','/',$targetPath) . $_FILES['Filedata']['name']; // $fileTypes = str_replace('*.','',$_REQUEST['fileext']); // $fileTypes = str_replace(';','|',$fileTypes); // $typesArray = split('\|',$fileTypes); // $fileParts = pathinfo($_FILES['Filedata']['name']); // if (in_array($fileParts['extension'],$typesArray)) { // Uncomment the following line if you want to make the directory if it doesn't exist // mkdir(str_replace('//','/',$targetPath), 0755, true); move_uploaded_file($tempFile,$targetFile); echo "1"; // } else { // echo 'Invalid file type.'; // } } //define the receiver of the email $to = '[email protected]'; //define the subject of the email $subject = 'Test email'; //define the message to be sent. Each line should be separated with \n $message = "Hello World!\n\nThis is my first mail."; //define the headers we want passed. Note that they are separated with \r\n $headers = "From: [email protected]\r\nReply-To: [email protected]"; //send the email $mail_sent = @mail( $to, $subject, $message, $headers ); //if the message is sent successfully print "Mail sent". Otherwise print "Mail failed" echo $mail_sent ? "Mail sent" : "Mail failed"; ?>

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• iOS iPad UIActionSheet Issue

  - by hart1994

  I am currently developing an application which needs an option to 'share' using multiple services; such as email, twitter. To to this, I have a UIBarButtonItem coded in and when touched, it triggers this: UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:@"" delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil]; [sheet addButtonWithTitle:@"Email"]; [sheet addButtonWithTitle:@"Tweet"]; [sheet addButtonWithTitle:@"Cancel"]; sheet.cancelButtonIndex = sheet.numberOfButtons-1; [sheet showFromRect:self.view.bounds inView:self.view animated:YES]; [sheet release]; In conjunction with this to detect which button is selected: clickedButtonAtIndex:(NSInteger)buttonIndex { if (buttonIndex == actionSheet.cancelButtonIndex) { return; } switch (buttonIndex) { case 0: { [self emailThis]; break; } case 1: { [self tweetThis]; break; } } This works a treat on the iPhone. But unfortunately it displays incorrectly on the iPad. It looks like it is trying to display the UIPopoverController, but it is positioned center of the navbar with practically no height. I have looked into using the UIPopoverController, but I cannot seem to find out how to use it with buttons. Is there anyway I can adapt the code above to properly display the buttons, as it's trying to already. Many thanks, Ryan PS: I'm new to objective-c/iOS coding, so please be specific. Thank you :)

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• how can i set cookie in curl

  - by Sushant Panigrahi

  i am fetching somesite page.. but it display nothing and url address change. example i have typed http://localhost/sushant/EXAMPLE_ROUGH/curl.php in curl page my coding is= $fp = fopen("cookie.txt", "w"); fclose($fp); $agent= 'Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.9) Gecko/2008052906 Firefox/3.0'; $ch = curl_init(); curl_setopt($ch, CURLOPT_USERAGENT, $agent); // 2. set the options, including the url curl_setopt($ch, CURLOPT_URL, "http://www.fnacspectacles.com/place-spectacle/manifestation/Grand-spectacle-LE-ROI-LION-ROI4.htm"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt ($ch, CURLOPT_COOKIEJAR, 'cookie.txt'); curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie.txt"); // 3. execute and fetch the resulting HTML output if(curl_exec($ch) === false) { echo 'Curl error: ' . curl_error($ch); } else echo $output = curl_exec($ch); // 4. free up the curl handle curl_close($ch); ? but it canege url like this.. http://localhost/aide.do?sht=_aide_cookies_ object not found. how can solve these problem help me

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• Can I embed a custom font in an iPhone application?

  - by Airsource Ltd

  I would like to have an app include a custom font for rendering text, load it, and then use it with standard UIKit elements like UILabel. Is this possible? I found these links: http://discussions.apple.com/thread.jspa?messageID=8304744 http://forums.macrumors.com/showthread.php?t=569311 but these would require me to render each glyph myself, which is a bit too much like hard work, especially for multi-line text. I've also found posts that say straight out that it's not possible, but without justification, so I'm looking for a definitive answer. EDIT - failed -[UIFont fontWithName:size:] experiment I downloaded Harrowprint.tff (downloaded from here) and added it to my Resources directory and to the project. I then tried this code: UIFont* font = [UIFont fontWithName:@"Harrowprint" size:20]; which resulted in an exception being thrown. Looking at the TTF file in Finder confirmed that the font name was Harrowprint. EDIT - there have been a number of replies so far which tell me to read the documentation on X or Y. I've experimented extensively with all of these, and got nowhere. In one case, X turned out to be relevant only on OS X, not on iPhone. Consequently I am setting a bounty for this question, and I will award the bounty to the first person who provides an answer (using only documented APIs) who responds with sufficient information to get this working on the device. Working on the simulator too would be a bonus. EDIT - it appears that the bounty auto-awards to the answer with the highest nunber of votes. Interesting. No one actually provided an answer that solved the question as asked - the solution that involves coding your own UILabel subclass doesn't support word-wrap, which is an essential feature for me - though I guess I could extend it to do so.

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• How to deal with calculated values with Dependency Properties on a custom WPF control

  - by jpierson

  To summarize what I'm doing, I have a custom control that looks like a checked listbox and that has two dependency properties one that provides a list of available options and the other that represents a enum flag value that combines the selection options. So as I mentioned my custom control exposes two different DependencyProperties, one of which is a list of options called Options and the other property called SelectedOptions is of a specific Enum type that uses the [Flags] attribute to allow combinations of values to be set. My UserControl then contains an ItemsControl similar to a ListBox that is used to display the options along with a checkbox. When the check box is checked or unchecked the SelectedOptions property should be updated accordingly by using the corresponding bitwise operation. The problem I'm experiencing is that I have no way other than resorting to maintaining private fields and handling property change events to update my properties which just feels unatural in WPF. I have tried using ValueConverters but have run into the problem that I can't really using binding with the value converter binding so I would need to resort to hard coding my enum values as the ValueConverter parameter which is not acceptable. If anybody has seen a good example of how to do this sanely I would greatly appreciate any input. Side Note: This has been a problem I've had in the past too while trying to wrap my head around how dependency properties don't allow calculated or deferred values. Another example is when one may want to expose a property on a child control as a property on the parent. Most suggest in this case to use binding but that only works if the child controls property is a Dependency Property since placing the binding so that the target is the parent property it would be overwritten when the user of the parent control wants to set their own binding for that property.

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• sIFR3: controlling a and a:hover styles inside replaced through CSS rather than JS

  - by sneeuwitje

  For graceful degrading and minimal coding for the sIFR feature on my websites I would want to define styles in CSS as much as possible. Here's what I do: Define a H3 tag to be replaced by sIFR3. H3 comes in varying colors by CSS depending on it's container, say body.blue-txt h3{ color: #009CDA; } body.white-txt h3{ color: #FFFFFF; } body.etc... H3 might contain an anchor (I'm aware of semantical issues, but that's just how it is ... sorry) With setting sIFR.useStyleCheck = true; sIFR3 will show replaced normal H3 text with correct color, but when it contains a link, it shows the Flash default #0000FF .... All fine; I can tweak e.g. blue text in sifr-config.js by using the css-parameter for sIFR.replace(): sIFR.replace(futura, { selector: 'body.blue-txt h3', css: 'a {color: #009CDA; }, a:hover { color: #009CDA; text-decoration: underline; }' }); But that would have to be coded for every single text-color in my sIFR replacements in both JS and CSS. So I would want to make the sIFR.useStyleCheck setting just respect the CSS in sifr-config.css like: body.blue-txt h3{ color: #009CDA; } body.blue-txt h3 a{ color: #009CDA; } body.blue-txt h3 a:hover{ color: #009CDA; text-decoration: underline; } Only this doesn't seem to work ... the link text keeps popping up as #0000FF and the hover is not underlined. Is this just Not A Feature (Yet), or am doing something wrong?

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• Why does my REST request return garbage data?

  - by Alienfluid

  I am trying to use LWP::Simple to make a GET request to a REST service. Here's the simple code: use LWP::Simple; $uri = "http://api.stackoverflow.com/0.8/questions/tagged/php"; $jsonresponse= get $uri; print $jsonresponse; On my local machine, running Ubuntu 10.4, and Perl version 5.10.1: farhan@farhan-lnx:~$ perl --version This is perl, v5.10.1 (*) built for x86_64-linux-gnu-thread-multi I can get the correct response and have it printed on the screen. E.g.: farhan@farhan-lnx:~$ head -10 output.txt { "total": 1000, "page": 1, "pagesize": 30, "questions": [ { "tags": [ "php", "arrays", "coding-style" (... snipped ...) But on my host's machine to which I SSH into, I get garbage printed on the screen for the same exact code. I am assuming it has something to do with the encoding, but the REST service does not return the character set type in the response, so how do I force LWP::Simple to use the correct encoding? Any ideas what may be going on here? Here's the version of Perl on my host's machine: [dredd]$ perl --version This is perl, v5.8.8 built for x86_64-linux-gnu-thread-multi

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• android compile error: could not reserve enough space for object heap

  - by moonlightcheese

  I'm getting this error during compilation: Error occurred during initialization of VM Could not create the Java virtual machine. Could not reserve enough space for object heap What's worse, the error occurs intermittently. Sometimes it happens, sometimes it doesn't. It seems to be dependent on the amount of code in the application. If I get rid of some variables or drop some imported libraries, it will compile. Then when I add more to it, I get the error again. I've included the following sources into the application in the [project_root]/src/ directory: org.apache.httpclient (I've stripped all references to log4j from the sources, so don't need it) org.apache.codec (as a dependency) org.apache.httpcore (dependency of httpclient) and my own activity code consisting of nothing more than an instance of HttpClient. I know this has something to do with the amount of memory necessary during compile time or some compiler options, and I'm not really stressing my system while i'm coding. I've got 2GB of memory on this Core Duo laptop and windows reports only 860MB page file usage (haven't used any other memory tools. I should have plenty of memory and processing power for this... and I'm only compiling some common http libs... total of 406 source files. What gives? Android API Level: 5 Android SDK rel 5 JDK version: 1.6.0_12

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• android compile error: could not reserve enough space for object heap

  - by moonlightcheese

  I'm getting this error during compilation: Error occurred during initialization of VM Could not create the Java virtual machine. Could not reserve enough space for object heap What's worse, the error occurs intermittently. Sometimes it happens, sometimes it doesn't. It seems to be dependent on the amount of code in the application. If I get rid of some variables or drop some imported libraries, it will compile. Then when I add more to it, I get the error again. I've included the following sources into the application in the [project_root]/src/ directory: org.apache.httpclient (I've stripped all references to log4j from the sources, so don't need it) org.apache.codec (as a dependency) org.apache.httpcore (dependency of httpclient) and my own activity code consisting of nothing more than an instance of HttpClient. I know this has something to do with the amount of memory necessary during compile time or some compiler options, and I'm not really stressing my system while i'm coding. I've got 2GB of memory on this Core Duo laptop and windows reports only 860MB page file usage (haven't used any other memory tools. I should have plenty of memory and processing power for this... and I'm only compiling some common http libs... total of 406 source files. What gives? edit (4/30/2010-18:24): Just compiled some code where I got the above stated error. I closed some web browser windows and recompiled the same exact code with no edits and it compiled with no issue. this is definitely a compiler issue related to memory usage. Any help would be great.... because I have no idea where to go from here. Android API Level: 5 Android SDK rel 5 JDK version: 1.6.0_12 Sorry I had to repost this question because regardless of whether I use the native HttpClient class in the Android SDK or my custom version downloaded from apache, the error still occurs.

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• Dojo: dojo onblur events

  - by Jane Wilkie

  Hi guys, I have a form setup with dojo 1.5. I am using a dijit.form.ComboBox and a dijit.form.TextBox The Combobox has values like "car","bike","motorcycle" and the textbox is meant to be an adjective to the Combobox. So it doesn't matter what is in the Combobox but if the ComboBox does have a value then something MUST be filled in the TextBox. Optionally, if nothing is in the ComboBox, then nothing can be in the TextBox and that is just fine. In fact if something isn't in the Combobox then nothing MUST be in the text box. In regular coding I would just use an onBlur event on the text box to go to a function that checks to see if the ComboBox has a value. I see in dojo that this doesn't work... Code example is below... Vehicle: <input dojoType="dijit.form.ComboBox" store="xvarStore" value="" searchAttr="name" name="vehicle_1" id="vehicle_1" /> Descriptor: <input type="text" dojoType="dijit.form.TextBox" value="" class=lighttext style="width:350px;height:19px" id="filter_value_1" name="filter_value_1" /> My initial attempt was to add an onBlur within the Descriptor's <input> tag but discovered that that doesn't work. How does Dojo handle this? Is it via a dojo.connect parameter? Even though in the example above the combobox has an id of "vehicle_1" and the text box has an id of "filter_value_1", there can be numerous comboboxes and textboxes numbering sequentially upward. (vehicle_2, vehicle_3, etc) Any advice or links to resources would be greatly appreciated. Janie

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• Sysdeo Tomcat DevLoader - Hot deploy of java class causes whole application to restart

  - by Gala101

  Hi, I am using sysdeo tomcat plugin 3.2.1 with eclipse 3.5.1 (Galileo) and tomcat 5.5.23 on windows XP. I can get tomcat plugin working in eclipse, and have extracted devloader.zip into [tomcat]\server\classes. I have also updated the context and now it has this entry: <Context path="/myapp1" reloadable="true" docBase="F:\Work\eclipse_workspace\myapp1" workDir="F:\Work\eclipse_workspace\myapp1\work" > <Logger className="org.apache.catalina.logger.SystemOutLogger" verbosity="4" timestamp="true"/> <Loader className="org.apache.catalina.loader.DevLoader" reloadable="true" debug="1" useSystemClassLoaderAsParent="false" /> </Context> I have activated devloader (in Project Properties Tomcat Devloader Classpath) and have 'checked' all my classes and jars, I haven't 'checked' commons-loggin.jar jsp-api.jar, servlet-api.jar. So on launching tomcat via the plugin, I can get it running with devloader as shown in eclipse console view [DevLoader] Starting DevLoader [DevLoader] projectdir=F:\Work\eclipse_workspace\myapp1 [DevLoader] added file:/F:/Work/eclipse_workspace/myapp1/WEB-INF/classes/ [DevLoader] added file:/F:/Work/eclipse_workspace/myapp1/WEB-INF/lib/activation.jar However, if I even add a single System.out.println into any java file and save it, the whole application gets reloaded (takes ~80 sec) which is as good as stopping/starting tomcat itself. I've tried adding -Xdebug in JAVA_OPTS in the catalina.bat but no luck :( Can you please guide where I may be doing it wrong.. Please note that I can 'redeploy' the whole application on tomcat but that's not what I need, I am looking to be able to make small changes in java classes 'on-the-fly' while coding/debugging without having to wait for complete app restart. Another annoyance is that restarting tomcat/application causes the session/debug progress to be lost.. Can you please guide me how to go about it. PS: I am not using any ant/maven scripts explicitly, just relying on eclipse to do the build for me (which it does).

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• Excel 2003 VBA - Method to duplicate this code that select and colors rows

  - by Justin

  so this is a fragment of a procedure that exports a dataset from access to excel Dim rs As Recordset Dim intMaxCol As Integer Dim intMaxRow As Integer Dim objxls As Excel.Application Dim objWkb As Excel.Workbook Dim objSht As Excel.Worksheet Set rs = CurrentDb.OpenRecordset("qryOutput", dbOpenSnapshot) intMaxCol = rs.Fields.Count If rs.RecordCount > 0 Then rs.MoveLast: rs.MoveFirst intMaxRow = rs.RecordCount Set objxls = New Excel.Application objxls.Visible = True With objxls Set objWkb = .Workbooks.Add Set objSht = objWkb.Worksheets(1) With objSht On Error Resume Next .Range(.Cells(1, 1), .Cells(intMaxRow, intMaxCol)).CopyFromRecordset rs .Name = conSHT_NAME .Cells.WrapText = False .Cells.EntireColumn.AutoFit .Cells.RowHeight = 17 .Cells.Select With Selection.Font .Name = "Calibri" .Size = 10 End With .Rows("1:1").Select With Selection .Insert Shift:=xlDown End With .Rows("1:1").Interior.ColorIndex = 15 .Rows("1:1").RowHeight = 30 .Rows("2:2").Select With Selection.Interior .ColorIndex = 40 .Pattern = xlSolid End With .Rows("4:4").Select With Selection.Interior .ColorIndex = 40 .Pattern = xlSolid End With .Rows("6:6").Select With Selection.Interior .ColorIndex = 40 .Pattern = xlSolid End With .Rows("1:1").Select With Selection.Borders(xlEdgeBottom) .LineStyle = xlContinuous .Weight = xlMedium .ColorIndex = xlAutomatic End With End With End With End If Set objSht = Nothing Set objWkb = Nothing Set objxls = Nothing Set rs = Nothing Set DB = Nothing End Sub see where I am looking at coloring the rows. I wanted to select and fill (with any color) every other row, kinda like some of those access reports. I can do it manually coding each and every row, but two problems: 1) its a pain 2) i don't know what the record count is before hand. How can I make the code more efficient in this respect while incorporating the recordcount to know how many rows to "loop through" EDIT: Another question I have is with the selection methods I am using in the module, is there a better excel syntax instead of these with selections.... .Cells.Select With Selection.Font .Name = "Calibri" .Size = 10 End With is the only way i figure out how to accomplish this piece, but literally every other time I run this code, it fails. It says there is no object and points to the .font ....every other time? is this because the code is poor, or that I am not closing the xls app in the code? if so how do i do that? Thanks as always!

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