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• Apache is running but there is no page displayed

  - by Michael Ozeryansky

  I am on a Mac OSX and I am using the built in PHP and Apache2. I have been setting up MySQL and finally when I got MySQL working my local site won't display. Do note that I did have the web server running and delivering PHP enabled pages, just no database connection. But my question is not about MySQL. I have changed various settings in the 'http.conf' file, and I have the line: '127.0.0.1 localhost' in my hosts file. I also have other alias' pointing to 127.0.0.1. I have checked everything I could about Apache and I have made sure that any message in the error_log is ok. I currently have my errorLevel set to debug, so I get all the messages. At this point (HOURS of self fixing) I think I need help. What can I provide for someone to figure this out with me. Thanks.

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• Plz Help! How to maintain status of gridview checkbox

  - by Royson

  Hi, On my form on left side i have tree-view with check-boxes and on right side grid-view with check-box column. Treeview shows all folders. if user clicked on treenode their files all displayed in gridview. If user checked some files and selects another node and return back it should display checked files as it is. How do i maintain grid-view checked-box column status..? One more query If i checked specific node it should checked all rows of a gridview.

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• Core Data (NSFetchedResultsController) displaying one row per section

  - by Urizen

  I have a CoreData application which uses NSFetchedResultsController. NSFetchedResultsController is useful in that it allows me to access the fetched objects more easily etc. but I find that I have problems with the following: I get a crash when I display a single row for each section (irrespective of the number of actual rows present) as a summary of the information in that section (e.g. showing a statistical analysis of the data contained in the fetched rows for that section). I understand that the NSFetchedResultsControllerDelegatemethods have to agree with the number of rows reported per section by the UITableView Delegate method but I would like to be able to fetch all of the records for each section without necessarily displaying each of the rows. The above causes me inconsistency crashes, when I try to insert or delete data for a section, which reports that the number of rows for each section is not as it should be given the number of insertions/deletions. Is there any way I can do what I'm trying to achieve? Thanks for any help.

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• how to keep dragged TitleWindow within Flex app boundary

  - by Tim

  I am using PopupManager in FB4 to display a custom dialog. popwin = new TitleWindow(); popwin.addElement(myCustomDialog); PopUpManager.addPopUp(popwin,this,false); PopUpManager.centerPopUp(popwin); It's possible to drag the popped up TitleWindow and let go of it when its gray title bar lies outside the bounds of the Flex app rectangle, and then the popup cannot be grabbed again. It's also possible to drag the TitleWindow downwards so it becomes completely invisible below the bottom edge of the Flex app rectangle. When the Flex app bounds are less than the full browser window, and the user is working quickly, this chances of this happening increase. Is there a simple setting that will keep this from happening, or must the programmer intercept the behavior during the drag operation? Thanks Tim

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• Internet connection in android emulator always displays connected state

  - by ganesh

  hi I tried in many ways to check Internet connection in my android emulator ConnectivityManager conMgr = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info= conMgr.getActiveNetworkInfo(); if(info != null || info.isConnected()) { Log.v("NetworkInfo","Connected State"); } else{ Log.v("NetworkInfo","Not Connected state"); Log.v("Reason",info.getReason()); } even if i disable Internet connection in my system ,my code seems to display Connected state so i guessed this may work if ( conMgr.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTED || conMgr.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTED ) { Log.v("Congr","Connection Present"); } else if ( conMgr.getNetworkInfo(1).getState() == NetworkInfo.State.DISCONNECTED || conMgr.getNetworkInfo(0).getState() == NetworkInfo.State.DISCONNECTED) { Log.v("conMgr"," No Connection"); } but the above code also displays "Connection Present" even when i disconnect Internet cables. .Please help to find a correct way to do this .I have ACCESS_NETWORK_STATE and INTERNET permission in my manifest file

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• High density Silverlight charting control

  - by ahosie

  I've been looking into Silverlight charting controls to display a large number of samples, (~10,000 data points in five separate series - ~50k points all up). I have found the existing options produced by Dundas, Visifire, Microsoft etc to be extremely poor performers when displaying more than a few hundred data points. I believe the performance issues with existing chart controls is caused by the heavy use of vector graphics. Ergo one solution would be a client-side chart control that uses the WritableBitmap class to generate a raster chart. Before I fall too far down the wheel re-invention rabbit hole - has anyone found a third party or OSS control that will manage large numbers of data points on a sparkline?

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• How to Unload a popped view controller?

  - by RexOnRoids

  Using a navigation based view hierarchy. I have a root view controller, and multiple view controllers that branch out from the same when a button is pressed. When a user presses the back button on the UINavigationBar, the current viewcontroller is popped and the display animates back to the rootviewcontroller. The problem is, I want the viewcontrollers to UNLOAD whenever they are popped. Seems like they are not unloading because when I go back to them they are still in the state they were when they were popped. How do I unload the viewcontrollers after navigating back to the rootviewcontroller?

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• Mac OS X bash prompt bug?

  - by Memo

  I am trying to set my bash prompt to display the time and current directory in bold: export PS1="\[\e[1m\][\A] \w \$ \[\e[0m\]" This does apparently work, but when I use the command history (ctrl-r), after finding the command I was searching for and pressing enter, this line is not displayed correctly. Here is an example: [21:58] ~/Wyona/svn-repos/zwischengas $ (reverse-i-search)`ta': tail -F logs/log4j-cnode1.log becomes, after pressing enter: [21:58] ~/Wyona/svn-repos/zwischengas $ -F logs/log4j-cnode1.log Of course, this is not "really" a problem, since the command does work correctly, but it is still annoying. Does anybody know why this happens? And, more importantly, how to prevent/fix it? Thanks, Memo

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• How to change a grouped UITableView cell's background to black (or non-white)?

  - by Meltemi

  Just want to make sure I'm not overlooking something obvious... It seems like it should be trivial to set the background color (black is fine) of a UITableView's cell to something other than white or completely transparent so that you can display your data with white text. However, with my attempts I lose the corners on my grouped table view and it all looks like crap. I've seen & understand the methods described by Matt Gallagher about customizing TableView cells with exotic gradients, etc. but wanted to be certain before heading down that path...

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• OpenLayers: Raise event when map is zoomed or moved by user

  - by David Pfeffer

  I'm using OpenLayers to display OpenStreetMap maps. (Though, I'd assume this should be general enough to work for any map product...) I'm displaying some very sophisticated vector overlays, and the amount and resolution of the features I'm returning from the server via GeoJSON to overlay has proven too much for many computers. What I'd like to do now instead is to only send data befitting the resolution of the current zoom, and fitting the current view port. This should be relatively easy to do using the GetResolution and CalculateBounds methods on the Map object. However, I don't know when to call these methods because I can't find a way to register a function to be called when the user pans the map (changing the view port) or zooms the map (changing the resolution and view port). How can I get a callback when the user pans or zooms the map?

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• Ajax loader image: How to set a minimum duration during which the loader is shown?

  - by whamsicore

  I am using Jquery for Ajax functionality, and using a loader icon to indicate to the user that data is being retrieved. However, I want the user to see the loader icon for at least 1s, even if the data takes less than 1s to retrieve (if more than 1s is required, the loader icon should remain for the entire duration. Here is the code for the loader HTML <img id="loader" src="example.com/images/ loader.gif" style="vertical-align: middle; display: none" /> I am using the Jquery .Ajax function for my data processing.

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• ASP.NET MVC2 - using LINQ-generated class

  - by ile

  There are few things not clear to me about ASP.NET MV2. In database I have table Contacts with several fields, and there is an additional field XmlFields of which type is xml. In that field are stored additional description fields. There are 4 classes: Contact class which corresponds to Contact table and is defined by default when creating LINQ classes ContactListView class which inherits Contact class and has some additional properties ContactXmlView class that contains fields from XmlFields field ContactDetailsView class which merges ContactListView and ContactXmlView into one class and this one is used to display data in view pages ContactListView class has re-defined some properties from Contact class (so that I can add [Required] filter used for validation) - but I get warning message: 'ObjectTest.Models.Contacts.ContactListView.FirstName' hides inherited member 'SA.Model.Contact.FirstName'. Use the new keyword if hiding was intended. ContactDetailsView class is also used in a form when creating new contact and adding it to database. I am not sure if this is correct way, and the warning message confuses me a bit. Any advise about this? Thanks, Ile

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• Jface's CheckboxTreeViewer how to set initial selection

  - by Hypercube

  Hello. This question may sounds trivial, but i am struggling with the issue, so, please help if u can. So, here it is : i am using a CheckboxTreeViewer for some good reasons. I've google-it for some class usages, and i am currently able to check/uncheck all the childrens of a selected node, and to preserve the selection after a live search with a custom implementation of the StyledCellLabelProvider provider. All good so far. However, so far i am unable to programatically select one or more elements of the tree viewer after i display the widget and call the setInput() method of the viewer. So, let's assume for instance that the tree will have 10 main nodes, and 5 leafs on node 6. My question is how do i set the checked state of the 3rd leaf? Thank u.

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• MYSQL - Selecting a specific date range to get "current" popular screensavers.

  - by Joe

  Let's say I have a screensaver website. I want to display the CURRENT top 100 screensavers on the front page of the website. What I mean is, "RECENT" top 100 screensavers. What would be an example query to do this? My current one is: SELECT * FROM tbl_screensavers WHERE WEEK(tbl_screensavers.DateAdded) = WEEK('".date("Y-m-d H:i:s",strtotime("-1 week"))."') ORDER BY tbl_screensavers.ViewsCount, tbl_screensavers.DateAdded This will select the most viewed ("tbl_screensavers.ViewsCount") screensavers that were added ("tbl_screensavers.DateAdded") in the last week. However, in some cases there are no screensavers, or less than 100 screensavers, submitted in that week. So, how can I perform a query which would select "RECENT" top 100 screensavers? Hopefully you have an idea of what I'm try to accomplish when I say "RECENT" or "CURRENT" top screensavers. -- aka. the most viewed, recently - not the most viewed, all-time.

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• Special characters in PHP / MySQL

  - by Jonathan

  Hi, I have in the database words that include special character (in Spanish mostly, like tildes). In the database everything is saved and shown correctly with PHPmyAdmin, but when I get the data (using PHP) and display it in a browser, I get a weird character, like a "?" with a square... I need a general fix so I don't need to escape each character every time, and also I would be able to insert special Spanish characters from a PHP form into the database... The HTML is correct: <meta http-equiv="content-type" content="text/html; charset=utf-8" /> All tables and databas are set to utf8_spanish The character I get: ? Any suggestions??? Thanks!!!

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• Hidden features of CSS

  - by alex

  I have definitely picked up some useful tips in the hidden features style questions concerning PHP and XHTML. So here is one to cover CSS. While easy to pick up, it takes a little while to learn about everything, their default behaviors, properties etc Here are some to start the ball @charset "UTF-8"; /* set the character set. must be first line as Gumbo points out in comments */ .element { /* takes precedence over other stylings */ display: block !important; /* mozilla .... rounded corners with no images */ -moz-border-radius: 10px; /* webkit equivalent */ -webkit-border-radius: 10px } These are not so much hidden, but their use is not often widespread. What tips, tricks, rare features have you discovered with CSS?

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• GWT MVP - retriving custom event parameters problem

  - by parag

  Hi, I am developing a GWT application with presenter, dispatcher and Gin. I have a presenter which is retrieving an ArrayList<JobPosting> from server and firing a ManageJobsEvent. dispatcher.execute(new GetJobPostings(userId), new DisplayCallback<GetJobPostingsResult>(display) { @Override protected void handleFailure(Throwable e) { e.printStackTrace(); Window.alert(SERVER_ERROR); } @Override protected void handleSuccess(GetJobPostingsResult value) { eventBus.fireEvent(new ManageJobsEvent(value.getUserId(), value.getJobPostings())); } }); I get the callback to onPlaceRequest(PlaceRequest request) of my another presenter but how do i get the ArrayList<JobPostings> set in the event.

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• Where and how to validate and map ViewModel?

  - by chobo

  Hi, I am trying to learn Domain Driven Design and recently read that lots of people advocate creating a ViewModels for your views that store all the values you want to display in a given view. My question is how should I do the form validation? should I create separate validation classes for each view, or group them together? I'm also confused on what this would look like in code. This is how I currently think validation and viewmodels fit in to the scheme of things: View (some user input) - Controller - FormValidation(of ViewModel) - (If valid map to ViewModel to Domain Model) - Domain Layer Service - Infrastructure Thanks! P.S. I use Asp.net MVC with C#

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• Flash CS4/AS3 Dynamic Text Box

  - by Jono

  Hi, I have created a XML image gallery, which displays text in between each slide. Now I have created a movie clip with a dynamic text field (with Render HTML selected) to display the text from the XML which is pushed into an array. Now, this all works great BUT... /n or /r is not creating a new line break (as they need to be custom). Yet if I create an Array and manually push strings "Bla bla bla /n bla bla bla" I get a line break. I have tried converting the Array item to string (even though it already is), I would also avoid creating textField = new textField() any Ideas would be welcomed. Cheers

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• Alternatives to ImageMagick for PDF downsizing

  - by Craig Coston

  Having an issue with some PDF files not displaying properly in our iPad app. I have come to the conclusion that we are needing to standardize by "converting" PDF to PDF. I have successfully processed this using ImageMagick to convert the PDF to PNG (resized), and then pushing the PNG(s) back into a PDF. However, something within ImageMagick is making photos within PDFs display wrong. Same issue just converting a JPG or other graphic to PDF in ImageMagick. I solved that by taking the output of the converted ImageMagick file and converting it again using GD to PNG, then pushing it through our PDF converter. So my question is this: What other PHP workflows would work with this, other than using ImageMagick for the conversion back to PDF? We are not opposed to a paid solution, we just need something that works. Our server runs centOS.

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• Coding in Other (Spoken) Languages

  - by contagious

  Something i've always wondered, and I can't find any mention of it anywhere online. When a shop from, say Japan, writes code, would I be able to read it in english? Or do languages, like C, php, anything, have Japanese translations that they write? I guess what i'm asking is does every single coder in the world know enough english to use the exact same reserved words I do? Would this code: If (i < size){ switch case 1: print "hi there" default: print "no, thank you" } else { print "yes, thank you" } display the exact same as I'm seeing it right now in english, or would some other non-english-speaking person see the words "if", "switch", "case", "default", "print", and "else" in their native language? EDIT - yes, this is serious. I didn't know if different localiztions of a language have different keywords. or if there are even different localizations at all.

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• Firefox ignoring padding

  - by iMaster

  I have this CSS code: #tweet-container{ width: 290px; height: 272px; border: 1px solid #CCC; color: #CCC; font-size: 28px; text-align: center; letter-spacing: -2px; min-height: 10px; display: table-cell; vertical-align: middle; padding: 15px; } But firefox doesn't seem to recognize the top and bottom padding. Safari and Chrome both show it normally, and even in Firebug when I add padding-top: it doesn't work. Its like its not a valid statement or something. Is there something I'm missing?

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• php - sort the unsorted text file and rewrite to same text file in sorted order

  - by arrgggg

  Hi, I have a question. I am in process of learning how to read/write files, but having little trouble trying to do both at the same time in same php script. I have a text file with words like this, Richmond,Virginia Seattle,Washington Los Angeles,California Dallas,Texas Jacksonville,Florida I wrote a code to sort them in order and this will display in sort order by City. <?php $file = file("states.txt"); sort($file); for($i=0; $i<count($file); $i++) { $states = explode(",", $file[$i]); echo $states[0], $states[1],"<br />"; } ?> From this, how can I rewrite those sorted information back into the states.txt file? Thanks for your help.

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• PropertyChanged doesn't work properly

  - by Karen

  Hello, I have a Silverlight application in which I implemented MVVM pattern. In my application there is a child window on which I have ComboBox. I bound ItemsSource and SelectedItem of my combobox to a property (typeof ObservableCollection) and property of MyType appropriately. MyType is a "MODEL" derived from INotifyPropertyChanged. When my window is loaded I set values to this properties. But my combobox doesn't display selected item. I found that when I set property which is bound to selected item (in ViewModel), the PropertyChanged event is null. Can anyone help me. Thanks.

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• AJAX ModalPopup Pops Behind (Under) Page Content (Negative z-index)

  - by Aaron Hoffman

  I am having an issue with the AJAX ModalPopupExtender in version 40412 of the AJAX Control Toolkit (http://ajaxcontroltoolkit.codeplex.com/releases/view/43475). The first time the ModalPopup is made visible it works correctly. The z-index is set to 6001 (and the background Div's z-index is set to 6000) and the Popup appears above everything else. If the cancel button within the ModalPopup is clicked, it also has the correct functionality, the display is set to "none" and the ModalPopup is no longer visible. However, when the Popup is triggered again, the z-index is only set to 2000 which is still visible above everything else, but if it is canceled and triggered again it is set to -2000 which is not visible (the z-index is decreasing by 4000 each time). I'm not sure why this is happening. Any ideas how to fix it? Special circumstances: There are multiple ModalPopup's on the page. All ModalPopups are triggered in code-behind through partial-page postbacks (using the .Show() method) ModalPopupExtenders are within the same UpdatePanels that are displayed as popups

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