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  • How can I get jquery .val() AFTER keypress event?

    - by werner5471
    I got: $(someTextInputField).keypress(function() { alert($(this).val()); }); Now the alert always returns the value BEFORE the keypress (e.g. the field is empty, I type 'a' and the alert gives me ''. Then I type 'b' and the alert gives me 'a'...). But I want the value AFTER the keypress - how can I do that? Background: I'd like to enable a button as soon as the text field contains at least one character. So I run this test on every keypress event, but using the returned val() the result is always one step behind. Using the change() event is not an option for me because then the button is disabled until you leave the text box. If there's a better way to do that, I'm glad to hear it!

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  • PropertyUtils performance

    - by mR_fr0g
    I have a problem where i need to walk through an object graph and pick out a particular property value. My original solution caches a linked list of property names that need to be applied in order to get from point A to point B in the object graph. I then use apache commons PropertyUtils to iterate through the linked list calling getProperty(Object bean, String name) until i have reached point B. My question is around how this will perform compared to perhaps cahing the Method objects for each step. What is propertyUtils doing under the bonnet? Is it doing a lot of reflection / heavy lifting?

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  • JavaScript: Text "submit" link?

    - by Tedd
    I have the the following code and want to use a hyper link to submit my form. <form name="form_signup" id="form_signup" method="post" action="/" enctype="multipart/form-data"> ... <input type="submit" value="Go to Step 2" name="completed" /> or <a onclick="javascript:this.form.submit();">Proceed without uploading</a></span> </form> However, my hyperlink submit doesn't work. It just keeps me on the same page. Question: any idea why my link submit text doesn't work?

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  • django-avatar: cant save thumbnail

    - by Znack
    I'm use django-avatar app and can't make it to save thumbnails. The original image save normally in my media dir. Using the step execution showed that error occurred here image.save(thumb, settings.AVATAR_THUMB_FORMAT, quality=quality) I found this line in create_thumbnail: def create_thumbnail(self, size, quality=None): # invalidate the cache of the thumbnail with the given size first invalidate_cache(self.user, size) try: orig = self.avatar.storage.open(self.avatar.name, 'rb') image = Image.open(orig) quality = quality or settings.AVATAR_THUMB_QUALITY w, h = image.size if w != size or h != size: if w > h: diff = int((w - h) / 2) image = image.crop((diff, 0, w - diff, h)) else: diff = int((h - w) / 2) image = image.crop((0, diff, w, h - diff)) if image.mode != "RGB": image = image.convert("RGB") image = image.resize((size, size), settings.AVATAR_RESIZE_METHOD) thumb = six.BytesIO() image.save(thumb, settings.AVATAR_THUMB_FORMAT, quality=quality) thumb_file = ContentFile(thumb.getvalue()) else: thumb_file = File(orig) thumb = self.avatar.storage.save(self.avatar_name(size), thumb_file) except IOError: return # What should we do here? Render a "sorry, didn't work" img? maybe all I need is just some library? Thanks

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  • How can i access the value of the moving slider in a jquery variable

    - by user1673591
    html <h1>HTML Slider Test</h1> <div class="slider" data-max="10"></div> <p>Your slider has a value of <span class="slider-value"></span></p> <div class="slider" data-max="100"></div> <p>Your slider has a value of <span class="slider-value"></span></p> jquery $(".slider").each(function() { $(this).slider({ value : 1, min : 1, max : $(this).data('max'), step : 1, slide : function (event, ui) { var a= $(this).next().find('span.slider-value').html(ui.value); } }); }); I want the value of the moving slider in a jquery variable

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  • error reporting issues

    - by SunnyOne
    I'm still entangled in error handling problems. After having read and tried lots of different scripts, I still do not have an overall insight on the problem. I made a syntax error on purpose and get the following error message : Parse error: syntax error, unexpected '{' in /home/directory/public_html/mypage.php on line 10 To understand how it work, as a first step, I'd like to remove this message(which I'am able to do) and replace it by a custom one. How can I customize this message ? Thanks a lot.

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  • i want to start my own software/consulting company...ohhh the dilemma [closed]

    - by Andreas
    I know this is may not be the right place to ask this sort of question,,on the other hand i am sure that it maybe the best...as many of you own a startup. I've been in the industry since 2006, mostly in consulting/business system analysis/project management jobs, not so much coding etc, and although i like working for the companies i am in at the moment...i daily think of starting up something on my own, consulting company,a software company with a good product, but it's the dilemma of making the first step, havent got much money saved up, i have a mortgage and about to start a family so as you can see it's difficult to let the security of a job and take the risk to just do it.... I am sure many of you have been in this dilemma, how did you start off? advice is greatly appreciated Andy

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  • openCV center of image rotation in C

    - by user1477955
    I want to rotate 90 degrees counterclockwise, but it seems the rotation point is wrong. How do I find the rotation center of the source image? img=cvLoadImage(argv[1],-1); height = img->height; width = img->width; step = img->widthStep; channels = img->nChannels; data = (uchar *)img->imageData; IplImage *rotatedImg = cvCreateImage(cvSize(height,width), IPL_DEPTH_8U,img->nChannels); CvPoint2D32f center; center.x = width/2; center.y = height/2; CvMat *mapMatrix = cvCreateMat( 2, 3, CV_32FC1 ); cv2DRotationMatrix(center, 90, 1.0, mapMatrix); cvWarpAffine(img, rotatedImg, mapMatrix, CV_INTER_LINEAR + CV_WARP_FILL_OUTLIERS, cvScalarAll(0)); cvShowImage("My image", rotatedImg );

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  • Specing remember_me feature in rails + restful_authentication

    - by Thiago
    Hi there, I want to run a the following example in cucumber: Scenario: Anonymous user can log in and be remembered Given I am logged in with reminder When I navigate away And I go to the list of cornetas Then I should be logged in But I don't know how to write the "And I navigate away" step. I already tried to "visit stackoverflow.com" or "visit http://stackoverflow.com", but with no success. Any suggestions? I guess I could also destroy the webrat session, but I don't know how to do it, neither if it would work.

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  • Are there any XML Editors with FTP and file-tree browsing combined?

    - by JW
    Are there any (free preferably) XML Editors combined with FTP and file-tree browsing Project wide find+Replace I.e A bit like what Dreamweaver MX is but with fancier XML capabilities /XSLT /XSD Perhaps even DW does this...im still on an older version. I'd like to keep a smooth flow between find-edit-view-upload any ideas? Background: I have converted most of the html files of my legacy site into XML (which match the directory structure of my 'public docs' folder). Part of a step towards turning it into completely dynamic data via MVC /Front Controller Pattern.

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  • [help]Website Process Code

    - by user1915555
    i am new to here...i want a big help...help me...:d look at this website link and go through the procces and download the pdf or text file... http://www.doyourownwill.com/do-your-will-online.html and tell me how to do that plz....this is a big help to me..plz help me..:d when you are going through the proces u can see the link like this... http://www.doyourownwill.com/do-your-will/case-2.html?step=2 tell me how to do that...plz before give the answers watch the full process of that site... I am waiting for great reply...:d

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  • Redirect to prevent dup submission...but then you loose existing data

    - by coffeeaddict
    Here's the scenario User is on your checkout.aspx page Somewhere in the process, when clicking the pay button, you redirect the user to an intermediate page (before the confirmation page) to do some other logic. That intermediate page performs whatever logic based on a querystring flag you sent with the redirect from the checkout page This intermediate page also serves as an error page. So if any logic in the intermediatePage.aspx.cs fails I'm setting a message to be displayed on this page to the user If I refresh, that querystring value is still in the url..hence when it hits my Page_Load again, then the server-side logic is called & run again and I don't want this to happen The avoid this behavior/problem, the logical next step is to do a redirect back to the same page if they refresh (not sure how you'd catch that) to get rid of that querystring But when you redirect back to the same page your error message is gone, lost in the redirect therefore you end up showing them the same page but all values for the error message are now gone I do not want to solve this with Javascript either. I am not sure the best way to handle this.

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  • How can I use multithreading in a Windows Forms application to update a progress bar?

    - by Steve Syfuhs
    There are two objects. The Windows Form with a button and a progress bar, and another object that handles an algorithm. In the algorithm object there is an event, and a property. The event is ProgressChanged, and the property is Progress (which is an int). In the calling window, the button starts off a set of steps in the algorithm object. As each step (or substeps) occurs, the ProgressChanged event fires, and in the window there is an event handler that essentially increments the progress bar relative to the Progress property. The problem I am running into is that because the algorithm has a possibility (and high liklihood) of running a relatively long time, I need to move it into it's own background thread and push the event back up to the window. My issue is that I'm not completely sure what I'm doing when it comes to multi-threading. I've looked at Control.Invoke and I'm a little lost. Can someone point me in the right direction?

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  • How to prevent robots from automatically filling up a form?

    - by sombe
    I'm trying to come up with a good enough anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application. (I'm not looking for anything like that please). I've tried setting some hidden fields in all of my forms, with display: none; However, I'm almost certain a robot (which is essentially a program) can be configured to trace that form field id and simply not fill it. Do you implement/know of a good anti automatic-form-filling-robots method? Is there something that can be done seamlessly with HTML AND/OR server side processing, and be (almost) foolproof? (and please no JS, one could simply disable it, and there goes my anti-spam method). Btw I'm trying not to rely on sessions for this (like, counting how many times a button is clicked to prevent overloads).

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  • how to make a border area go around the content of a page where there is a footer fixed to the bottom of the page and an header fixed to the top

    - by user277498
    consider the following: http://jsfiddle.net/PxabT/10/ There are 3 divs hd, bd, ft. hd is fixed to the top. ft is fixed to the bottom. I want the lime colored border to go totally around the white central area without increasing the height of the ft or hd divs. How do I achieve that? Many thanks! edit: see http://jsfiddle.net/PxabT/15/ which is a step forward by changing the borders to padding.

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  • Javascript How do I force a string + variable to be evaluated as a variable

    - by Craig Rinde
    Im not even sure how to word this and is probably why I am having trouble finding an answer in google. When the code is run currentCardRow will equal 1 therefore it should be cardSelected1 which is what is shown in the console.log. I need it to go a step further because cardSelected1 is a variable and I need it to evaluate show in the console log as Invitation. Invitation is an example of a variable for cardSelected1. I am not sure on what the correct syntax is to make this happen. var currentCardSelected = "cardSelected" + currentCardRow; Thanks for your help!

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  • skip asking for allow info sharing in openid

    - by hd
    i am using php-openid library. i request email address from providers(Yahoo! and Google) to return back to me to check in my tables. when the user enters user and password to get authenticated with Yahoo! or Google,the provider asks user to allow sharing info. some think like this: Click "Agree" to sign in to mysite.com using your Yahoo! ID and allow sharing of Yahoo! info. You are sharing the following: [email protected] is it possible to skip this step?

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  • Is it possible to use os.walk over SSH?

    - by LeoB
    I'm new to Python so forgive me if this is basic, I've searched but can't find an answer. I'm trying to convert a Perl script into Python (3.x) which connects to a remote server and copies the files in a given directory to the local machine. Integrity of the transfer is paramount and there are several steps built-in to ensure a complete and accurate transfer. The first step is to get a complete listing of the files to be passed to rsync. The Perl script has the following lines to accomplish this: @dir_list = `ssh user@host 'find $remote_dir -type f -exec /bin/dirname {} \\;'`; @file_list = `ssh user@host 'find $remote_dir -type f -exec /bin/basename {} \\;'`; The two lists are then joined to create $full_list. Rather than open two separate ssh instances I'd like to open one and use os.walk to get the information using: for remdirname, remdirnames, remfilesnames in os.walk(remotedir): for remfilename in remfilesnames: remfulllist.append(os.path.join(remdirname, remfilename)) Thank you for any help you can provide.

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  • Post wall message on facebook account

    - by Zeroshade
    Hello, I am trying to implement some functionality in a blackberry app, that I saw in other application. Basically it's a window that has a message, and a Facebook icon. When you click on the icon it launches a new window, this window asks the user for permissions(user and password), and then the message is posted in the user's wall. So my question is how can I replicate that?. I have been looking at the graph api, but I just can't figure out how to do all of this in one step. I mean just typing the url in the browser, and some post data. Thanks a lot.

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  • EF Query using .Contains() and .ToLowerInvariant() Results in no matches when match is found at the end of a string

    - by MyNameIsJob
    Is it possible to step into a linq query? I have a linq to entity framework 4 query in it's simplest form: List = List.Where(f => f.Value.ToString().ToLowerInvariant().Contains(filter.ToLowerInvariant())); It's a query against an Entity Framework DbContext and I'm having trouble seeing why it works for something like: List searching for 001 yields no results against the following list Test001 Test002 Test003 Test004 However any other search yields results (Such as t00 or Test) Update Basically I'm looking for why a query such as the above wouldn't return a result when I'm using a contains and the value matches the end of a string vs just the middle or begining. It's really confusing. OK, it appears to have something to do with ToLowerInvariant() - when I removed that method it works just fine.

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  • how auto submit a session based form?

    - by hd
    i have a form and want to submit it with a script. i'm going to use curl function in php to do it. but the form is not submit directly. it have 3 steps and at the end of each step it store entered value in session variables and at the final steps it insert record to database with the values are read from sessions. it is possible to do auto submit this form using curl or not? what is the best solution for it??

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  • I built my rails app with sqlite and without specifying any db field sizes, Is my app now foobared for production?

    - by Tim Santeford
    I've been following a lot of good tutorials on building rails apps but I seem to be missing the whole specifying and validating db field sizes part. I love not needing to have to think about it when roughing out an app (I would have never done this with a PHP or ASP.net app). However, now that I'm ready to go to production, I think I might have done myself a disservice by not specifying field sizes as I went. My production db will be MySQL. What is the best practice here? Do I need to go through all of my migration files and specify sizes, update all the models with validation, and update all my form partial views with input max widths? or am I missing a critical step in my development process?

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  • How to redirect on apache after running a script through cgi

    - by Yotam
    I have an ubuntu machine which I have installed apache on. I want to use a web page to run some simple shell script through cgi and then go back to my home screen. I also want to the go-back step to be automatic. I have set a redirect in my apache.conf which works fine but the script doesn't run at all. Is there a way to run the script and only then apply the redirect? Comment: I think this may be the answer but I'm not sure.

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  • Sequencing ajax requests

    - by Scott Evernden
    I find I sometimes need to iterate some collection and make an ajax call for each element. I want each call to return before moving to the next element so that I don't blast the server with requests - which often leads to other issues. And I don't want to set async to false and freeze the browser. Usually this involves setting up some kind of iterator context that i step thru upon each success callback. I think there must be a cleaner simpler way? Does anyone have a clever design pattern for how to neatly work thru a collection making ajax calls for each item?

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  • What is the role of `while`-loops in computation expressions in F#?

    - by MizardX
    If you define a While method of the builder-object, you can use while-loops in your computation expressions. The signature of the While method is: member b.While (predicate:unit->bool, body:M<'a>) : M<'a> For comparison, the signature of the For method is: member b.For (items:seq<'a>, body:unit->M<'a>) : M<'a> You should notice that, in the While-method, the body is a simple type, and not a function as in the For method. You can embed some other statements, like let and function-calls inside your computation-expressions, but those can impossibly execute in a while-loop more than once. builder { while foo() do printfn "step" yield bar() } Why is the while-loop not executed more than once, but merely repeated? Why the significant difference from for-loops? Better yet, is there some intended strategy for using while-loops in computation-expressions?

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