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  • JQuery click event, not working

    - by Roland
    I have the following scenario. I have a index.php page with the following JQuery code included jQuery(document).ready(function(){ jQuery('#sIMG img').click(function(){ var currentSRC = jQuery(this).attr('src'); var altSRC = jQuery(this).attr('title'); var imgID = jQuery(this).attr('id'); var cat = jQuery(this).attr('name'); /*Fade, Callback, swap the alt and src, fade in */ jQuery('#main').fadeOut('fast',function(){ jQuery('#main').load("detail.php?id="+imgID+"&category="+cat); jQuery('#main').fadeIn('fast'); }); }); }); Now I have two div tags called #main and #right in the index.php page. When I click on a menu item right changes to a bunch of images, if I click on one of those images the above code should take effect and load into the main div, but it's just not working. the images are located within a div called sIMG. Any help will be appreciated

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  • Python appengine Query does not work when using a variable.

    - by Lloyd
    Hi, I am trying to use a fetcher method to retrieve items from my datastore. If I use the following def getItem(item_id): q = Item.all() q.filter("itemid = ", item_id) It fails because nothing is returned. If I hard code in an item like def getItem(item_id): q = Item.all() q.filter("itemid = ", 9000) it fetches just fine, and sings merrily along. I have tried every which way to get this to work. I have used result = db.GqlQuery("SELECT * FROM Item WHERE item_id = :1 LIMIT 1", title).fetch(1) to the same effect. If I hard code in a number, works fine. I have tried setting the select statement as a local string, assembling it that way, casting the int as a string, and nothing. When I output the SELECT statement to the screen, looks fine. I can cut ans paste the output into the string, and whammo, it works. Any help would be appreciated.

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  • Zooming to UIView and it's sub-views

    - by leon
    Hi, I have a UIView which I can zoom to (as it is set as a subview of UIScrollView). UIView has UILabel, UITextField, etc. If I just zoom to the UIView, then of course label and text field get fuzzy (the same effect if you are zooming to the image file without changing image resolution). To solve the problem I need to increase the font size and sizes of the UILable and UITextField in according to the scale used to zoom in (scale is passed as a param by the UIScrollView). This is where I am getting confused. Changing frame (by increasing it width and height by zooming scale) I get all my elements (sub-views) repositions (because changing frame effects center and bounds) Question: 1. What would I need to do to zoom in to the sub-views and just increase the sub-view sizes while keeping them in the exactly the same position? thanks

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  • Overlapping images w/ image maps obstructing each other

    - by Hamster
    Information: The images have large transparent sections, so each must be overlapped to create the needed effect. Specifically, the clickable portions of each image are in weird trapezoid shapes meant to be pressed up against each other. Images have image maps with large portions being overlapped by the transparent portions of other nearby (trapezoid) images. I don't expect any change in z indexes will solve this... Combining the image files into a larger single one to overlay a single image map for each section seems less than ideal, especially since I may need to re-order or rename them later and such. Never mind hover animations and other possibilities down the road. What would be the best workaround?

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  • assignment vs std::swap and merging and keeping duplicates in seperate object

    - by rubenvb
    Say I have two std::set<std::string>s. The first one, old_options, needs to be merged with additional options, contained in new_options. I can't just use std::merge (well, I do, but not only that) because I also check for doubles and warn the user about this accordingly. To this effect, I have void merge_options( set<string> &old_options, const set<string> &new_options ) { // find duplicates and create merged_options, a stringset containing the merged options // handle duplicated the way I want to // ... old_options = merged_options; } Is it better to use std::swap( merged_options, old_options ); or the assignment I have? Is there a better way to filter duplicates and return the merged set than consecutive calls to std::set_intersection and std::set_union to detect dupes and merge the sets? I know it's slower than one traversal and doing both at once, but these sets are small (performance is not critical) and I trust the Standard more than I trust myself.

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  • How to use CSS to ensure items remain offscreen even if window is resized?

    - by Ashley Ward
    I am trying to implement a type of slider using jquery. However this question is about the CSS involved in trying to achieve the functionality. My site design occupies a central column of width 960px. Within this layout there is a central element, that I wish to slide right, on click of a "next" button, and at the same time, another element of the same class slides in from the left to occupy the space vacated. I have drawn a diagram of what I am trying to achieve. In this diagram the red blocks are the element I want to slide in and out, it is grouped by a div which moves left to produce the effect using jQuery I have 2 main questions: How do I get the correct margin values, given that the browser window width can vary and that all elements that are not the current item should be offscreen? 2.If the user were to resize the margins could be dynamically altered based on the values returned using the jQuery resize() event. Or is there a neater quicker better way of doing it using pure CSS?

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  • UX Design Question: Should a multi step wizard save the form contents when the user clicks 'go back'

    - by Ashwin Prabhu
    I am developing a web application that collects data over multiple steps through a wizard. Steps are generally not interdependent, in that data input at each step has little or no effect on the consequent steps. However each step may have a set of validations which determine whether the user can progress to the next step by clicking 'continue' What should be the behavior when the user clicks previous? a Quickly move to the previous page, thus losing all the unsaved data in the form. Prompting the user with a warning is an option, but it can become irritating quite soon. b Move to the previous page saving all the data in the current step - without triggering validations, so that when the user comes back she sees the form in the same state that she left it in. c any other behaviour All opinions are welcome :)

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  • Screening (multi)collinearity in a reggresion model

    - by aL3xa
    I hope that this one is not going to be "ask-and-answer" question... here goes: (multi)collinearity refers to extremely high correlations between predictors in the regression model. How to cure them... well, sometimes you don't need to "cure" collinearity, since it doesn't affect regression model itself, but interpretation of an effect of individual predictors. One way to spot collinearity is to put each predictor as a dependent variable, and other predictors as independent variables, determine R2, and if it's larger than .9 (or .95), we can consider predictor redundant. This is one "method"... what about other approaches? Some of them are time consuming, like excluding predictors from model and watching for b-coefficient changes - they should be noticeably different. Of course, we must always bare in mind specific context/goal of analysis... Sometimes, only remedy is to repeat a research, but right now, I'm interested in various ways of screening redundant predictors when (multi)collinearity occurs in a regression model.

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  • Void in main and keeping Dos program from dying

    - by TimothyTech
    Alright, so im using bloodshed complier, first thing i should note is im using a 2001 edition C++ for the aboslute beginner, was there any changes to C++ since 2001 that would effect the validity of this book? i ask because i know php has php5 and now php6 but i havent seen any C++3. now for the reason i asked that, in this code it uses, void main (void) why would i want an arguement to be void? what does this do. But when i run the " void main (void) in my compiler it says that main must have a "int" before it. so i cant have "void" main (void); also, once the code runs through, as long as there isnt a "cin" the program closes. is this normal behavior, is there a better way to stop this besides making a cin at the end of my program.

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  • Why element creation requires the document object in DOM?

    - by maayank
    As noted by others, in Java, with the default W3C DOM libraries, one is required to use the Document object a factory to elements, i.e.: import org.w3c.dom.Document; import org.w3c.dom.Element; Document d; Element e; e = d.createElement("tag"); Why is that necessary? Why conceptually a method can't create an XML element without knowing all of the target document? Why I can't just instantiate using 'new' or something to that effect?

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  • Circular gradient in android

    - by sandis
    Im trying to make a gradient that emits from the middle of the screen in white, and turns to black as it moves toward the edges of the screen. As I make a "normal" gradient like this, I have been experimenting with different shapes: <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"> <gradient android:startColor="#E9E9E9" android:endColor="#D4D4D4" android:angle="270"/> </shape> When using the "oval"-shape I at least got a round shape, but there were no gradient effect. How can I achieve this? Cheers,

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  • What alternatives are there for asp.net forms authentication?

    - by Eytan Levit
    Hi, We are developing a web app that will have a pretty complex user and permission system. The general idea is that we have 3 levels of security: a simple user - that can only access basic data that is in a data repository a manager - that can open up data repositories a superuser - that can open up repository factories. each repository contains various data types(text, images, etc etc). We are looking for authentication methods that will allow us: 1. Scalability. 2. Customization. 3. To create permissions that will effect the GUI + deny access to certain pages. 4. To create predefined roles - that will allow for easy setup of new users. 5. To create custom roles for specific users - allowing them permission sets that are different from the predefined roles. Thanks in advance

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  • Animated record deletion with jquery like mootools example

    - by twitter
    I was reading around and saw this example from David Walsh about how to animate record deletion with mootools. Does the exact same effect exist in jquery? This is his mootools code. window.addEvent('domready',function() { $$('a.delete').each(function(el) { el.addEvent('click',function(e) { e.stop(); var parent = el.getParent('div'); var request = new Request({ url: 'mootools-record-delete.php', link: 'chain', method: 'get', data: { 'delete': parent.get('id').replace('record-',''), ajax: 1 }, onRequest: function() { new Fx.Tween(parent,{ duration:300 }).start('background-color', '#fb6c6c'); }, onSuccess: function() { new Fx.Slide(parent,{ duration:300, onComplete: function() { parent.dispose(); } }).slideOut(); } }).send(); }); }); });

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  • Is there a reasonable way to attach new path to PATH in bashrc?

    - by Ripley
    Guys I constantly need to attach new paths to the PATH environment variable in .bashrc, like below: export PATH=/usr/local/bin:$PATH Then to make it take effect, I always do 'source ~/.bashrc' or '. ~/.bashrc', while I found one shortcoming of doing so which make me uncomfortable. If I keep doing so, the PATH will getting longer and longer with many duplicated entries, for example in the previous command, if I source it twice, the value of PATH will be PATH=/usr/local/bin:/usr/local/bin:/usr/local/bin:$PATH(<-the original path). Is there a more decent way to attach new path to PATH in bashrc without making it ugly?

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  • Can't get ellipsis to work on Android

    - by Mark
    Hi, I have a TextView. I want it to ellipsize if longer than its available width. This does not work unless the input string has no spaces... can anyone provide an example of this working? I've tried different combinations of: singleLine="true" maxLines="1" scrollHorizontally="false" none of these have any effect. Again, if I supply a string that has no spaces in it, then the ellipsis appears correctly. What am I missing? I've tried this on 1.5, 1.6, 2.0, all same problem. Thanks

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  • php session not working (as with cookies disabled), but cookies are enabled for the domain. What oth

    - by SWilk
    Hi, I have a problem with a client, who cannot log in to our system. We have PHP-based B2B system, which uses cookies to store session-id. The client cannot log in and is redirected to the login page, without any error message. He claims he have cookies enabled in his Firefox. Also, if he had cookies disabled, my javascript would detect this and would show him an red, very descriptive error info. He does not seen anything like this. What else could have same effect on sessions like disabled cookies in browser? Are there any proxies which filters cookies? Any AV software, etc? What to look for? Our login form works for any other user without problems.

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  • Excel 2007 - Worksheet is larger than the window

    - by Chris
    Hi This is an odd problem but frustrating none the less. I have a worksheet saved which is larger than the Excel 2007 "workarea". This means when I open the worksheet I cannot access the corners of the worksheet to reduce the size and the worksheets title bar area (with move,size,minimise etc) is hidden beneath the ribbon , even if I remove the ribbon , I still can't see the title bar. In Excel 2003 I've had a similar effect but I've always been able to hit the "alt" key to access the "Move" option. However in Excel 2007 , hitting "alt" brings up some shortcuts for the ribbon etc but I can't access the worksheet options. Has anyone else know how to access the worksheet drop down when this happens?

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  • Is there a way to make Android tabs slide?

    - by Brian515
    Hi all, I'm new to Android development, and I was wondering if anyone knew either how to make Tabs slide, or how to get a similar effect without tabs. I have quite a few tabs in my application, and it does not look good on devices with smaller screens. Or maybe tabs are not what I am looking for. If you don't know what I'm talking about, I'd like to reproduce something similar to Photoshop.com Mobile's effects screen. I know this is possible. Thanks in advance!

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  • How do you use multiple versions of the same R package?

    - by Richie Cotton
    In order to be able to compare two versions of a package, I need to able to choose which version of the package that I load. R's package system is set to by default to overwrite existing packages, so that you always have the latest version. How do I override this behaviour? My thoughts so far are: I could get the package sources, edit the descriptions to give different names and build, in effect, two different packages. I'd rather be able to work directly with the binaries though, as it is much less hassle. I don't necessarily need to have both versions of the packages loaded at the same time (just installed somewhere at the same time). I could perhaps mess about with Sys.getenv('R_HOME') to change the place where R installs the packages, and then .libpaths() to change the place where R looks for them. This seems hacky though, so does anyone have any better ideas?

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  • How to find what element mouse is over in Prototype

    - by DavidP6
    I have a situation where an element is shown using ajax. I have attached mouseenter and mouseleave events to it to show a menu connected to the element using prototype. This works fine, but the problem I am having is that if a user has his/her mouse in the place where the element is shown before it is shown, the mouseenter does not get triggered and the attached menu does not get shown. I already have an afterFinish function that is called after a SlideDown effect, so I was thinking I could put another function in there to check if the users mouse is over the element or not. How would I go about checking what element the users mouse is over in prototype?

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  • Default Values Specflow Step Definitions

    - by Gavin Osborn
    I'm starting out in the world of SpecFlow and I have come across my first problem. In terms of keeping my code DRY I'd like to do the following: Have two scenarios: Given I am on a product page And myfield equals todays date Then... Given I am on a product page And myfield equals todays date plus 4 days Then... I was hoping to use the following Step Definition to cover both variants of my And clause: [Given(@"myfield equals todays date(?: (plus|minus) (\d+) days)?")] public void MyfieldEqualsTodaysDate(string direction, int? days) { //do stuff } However I keep getting exceptions when SpecFlow tries to parse the int? param. I've checked the regular expression and it definitely parses the scenario as expected. I'm aware that I could so something as crude as method overloading etc, I was just wondering if SpecFlow supported the idea of default parameter values, or indeed another way to achieve the same effect. Many Thanks

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  • Strange Java Coding??? Class in class???

    - by poeschlorn
    Hi guys, I got a question about Java coding in general... In some sample codes there are methods and classes declared WITHIN other methods and/or classes.... I've never heard/red about this...what effect does this kind of programming have? Wouldn't it be better to write down classes in a seperate file and methods side by side and not within each other (like every book tells you)? What are the advantages and disadvantages of this kind of programming? Here's an example of what I mean: Handler mHandler = new Handler() { public void handleMessage(android.os.Message msg) { TextView textView = (TextView) findViewById(R.id.description); textView.setText(mRoad.mName + " " + mRoad.mDescription); MapOverlay mapOverlay = new MapOverlay(mRoad, mapView); List<Overlay> listOfOverlays = mapView.getOverlays(); listOfOverlays.clear(); listOfOverlays.add(mapOverlay); mapView.invalidate(); }; };

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  • Can a Javascript bookmarklet overlay an image on a web page?

    - by songdogtech
    Can a bookmarklet be used to overlay an image on a web page? Not as a pop-up, but as a image positioned by CSS and with a high z-index to display on top of other elements. And without a mask i.e., Shadowbox or similar jQuery effect. Just an image from a URL and positioned in the bottom left hand corner of the browser window. This is what I have so far, but it may be the wrong direction to be going: javascript:(function(){document.write("body {background-image:url(http://mydomain.com/image.png); position: absolute; left:50px; top:300px; z-index:9999;}");})() I have a JS function that works as a bookmarklet to change the case of text on the page, and now I'd like to be able to show an image when the bookmarklet is used.

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  • finding the total number of distinct shortest paths between 2 nodes in undirected weighted graph in linear time?

    - by logan
    I was wondering, that if there is a weighted graph G(V,E), and I need to find a single shortest path between any two vertices S and T in it then I could have used the Dijkstras algorithm. but I am not sure how this can be done when we need to find all the distinct shortest paths from S to T. Is it solvable on O(n) time? I had one more question like if we assume that the weights of the edges in the graph can assume values only in certain range lets say 1 <=w(e)<=2 will this effect the time complexity?

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  • JTA Transaction: What happens if an exception happens but rollback is not called on the transaction?

    - by kellyfj
    We have some third party code wherein they do the following 1) Create a User Transaction e.g. txn = (UserTransaction)ctx.lookup( "UserTransaction" ); txn.begin( ); 2) Do some work persisting to the database (via JPA) to a MySQL database 3) txn.commit() They have Exception blocks but NONE of them call txn.rollback. Good coding practice says they NEED to call rollback if an exception occurs but my question is If the txn is not commited, and an exception occurs what is the negative effect of them NOT calling rollback?

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