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• TinyMCE or HTML5's contentEditable attribute?

  - by Mike

  I have always hated wysiwyg editors but most of the applications I develop they are necessary for our clients to edit their content. After trying out a few different ones I seemed to like tinyMCE the best. Although powerful and seems to generate fairly good HTML it is not without its issues. Recently I have been thinking about creating a custom wysiwyg that suits my needs perfectly taking advantage of the contentEditable attribute. Is this HTML5 feature ready? Will I have many cross browser issues? What are its limitations? I guess my question finally boils down to; Will it be worth throwing in the towel on 3rd party wysiwygs and moving to contentEditable regions?

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• Implementing ma? osx loop device driver.

  - by Inso Reiges

  Hello, I am aware that there is a native implementation of loop device system on osx, the hdiutil/hdix driver. But due to a number of reasons i need to roll out my own custom loop driver. Since hdix is closed-source can anyone give some starting pointers, links, advises, etc. on the subject? I had expirience implementing loop drivers on linux and windows but i don't really have a clue where to start from on osx. The basic functionality i need to implement is the same: given any file on disk, simulate a virtual block device interface for it. I also would like my loop driver to use all the native partition filter stacking available for real and hdix virtual block devices on osx.

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• How many cron jobs are too many?

  - by guitar-

  I have a couple of cron jobs for basic maintenance which aren't very resource-intensive. I also have custom task scheduling (which is just calling a .php file and passing information via GET, ie: cronjob.php?param1=param ...). These can add up pretty quickly. These just call system commands and run external programs (Nmap is one of them). They usually don't take long either. Anyway, can anyone tell me, roughly what point is too many? I know it's hard to say since it depends on what job is being run and how often, but at what point does the crontab program start "struggling"? Anyone have any idea? Thanks.

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• Preventing the opening of a form on a add button click

  - by Jonathan

  Hey guys, Did you guys know how to prevent the open of a Form when I click on a add button? Maybe using beforeShowForm? function(formid) { if(jQuery('#gridap').getGridParam('selrow')) { idgridap=jQuery('#gridap').getGridParam('selrow'); jQuery('#FK_numerocontrato_ap',formid).val(idgridap).attr('readonly','readonly'); } else { // I want to prevent the openning of the add form here and maybe show an alert using the "alertcap" } } CHECAROW; $grid->setNavEvent('add','beforeShowForm',$checarowid); BTW, there's a way to call the alertmod of jqgrid and add a custom message to it? tks!

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• Drupal - no self-linking

  - by pygorex1

  So, I've added several pages to my Drupal install and linking to the pages using URL aliases via the Path module. So far so good - http://mydrupal/node/1 becomes http://mydrupal/about which is exactly what I'm looking for. Then I'm adding these links to the primary navigation and outputting the primary links via a custom theme (copy and paste the primary link code from the Chameleon theme). Here's the problem: when viewing http://mydrupal/about the page links to itself - that is the "About" link at http://mydrupal/about is still linking to http://mydrupal/about - the behavior I'm looking for is to have the "About" text display without a link. In summary: how do I prevent self-linking of pages when displaying the primary navigation?

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• Tomcat - Redirect to Error Page when ServletContextListener fails

  - by Vic

  When Tomcat starts it calls my ServletContextListener to obtain a database connection, which I will later use in other servlets with getServletContext(). It is called in my web.xml as: listener listener-class org.ppdc.database.DBCPoolingListener /listener-class /listener (I removed the < because they wouldn't display properly in this message. If I cannot connect to the database when Tomcat starts up I get a 404 error, because Tomcat cannot start the application. How can I redirect the user to a custom error page at this point? I tried the following in my web.xml (I have the < brackets in the original): (error-page) (error-code404/error-code) (location/file_not_found.html/location) (/error-page) Any ideas on how to redirect a user to one of my error pages when Tomcat tries to start the application? Thanks Vic

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• Cropping an image, saving output to a new file and get crop coordinates

  - by synic

  I'm interfacing with a service that allows you to upload an image, and also upload coordinates of a thumbnail of that image. I'm thinking that (if there isn't some sort of prefab Activity specifically for this) that I can use Android's crop utility. The only problem is that I can't overwrite the original file, the crop window needs to have a custom message (instead of "crop image"), and I'll need the coordinates of the crop. Is this possible? Is there another way to do this without writing my own Activity?

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• How to change handedness of coordinates?

  - by 742

  How to convert from Euler's coordinates E1 = (x1, y1, z1, yaw1, pitch1, roll1) to E2 = (x2, y2, z2, yaw2, pitch2, roll2) where x, y, z are the coordinates of a point and yaw, pitch, roll the direction/orientation of a vector which origin is the point. yaw is around y, pitch around x, roll around z. They are performed in that order. Yaw 0 is normal to the plan xy (opposite to z in E1 and equal to z in E2). E1 uses a right handed space and E2 a left handed space. Both have the same origin, the same direction for y (top) and z (into the screen). They differ by x which is to the left on E1 and to the right on E2. They also differ by their direction of positive rotations. I've a custom type to hold the scalar representation and to convert from and to the equivalent WPF Matrix3d representation.

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• RadioButtonList.SelectedIndex vs RadioButtonList.SelectedValue

  - by Pinpin

  Out of curiosity, anyone knows the particulars of the internal implementation of ListControl.SelectedIndex = (int) <new valueIndex> VS ListControl.SelectedValue = <new value>.ToString() I'm having difficulties with a custom validation object we've built here to process all validation in one sweep. I suspect using <SelectedValue = > will raise a SelectedIndexChanged event, even though both the value and index remain the same, both before and after the operation. (The ListControl's values are populated declaratively....) As ever, thank you for your time!

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• Cannot load JRubyEngine because org.apache.bsf.util.BSFEngineImpl not found

  - by Ceilingfish

  Hi, I'm trying to use JRuby in a custom application, and I don't seem to be able to load the JRubyEngine object. My class looks like functionally similar to this: public class ScriptEngine { private static ScriptEngine engine = new JRubyEngine(); public void run(final String script, final Map<String,Object> input) { final Bindings context = engine.createBindings(); context.putAll(input); try { engine.eval(script,context); } catch (ScriptException e) { log.error("Failed to execute script: "+getScript(),e); } } } However this fails at compilation with the complaint: [javac] Compiling 486 source files to /workspace/myProject/build/src [javac] /workspace/myProject/src/net/ceilingfish/ScriptEngine.java:31: cannot access org.apache.bsf.util.BSFEngineImpl [javac] class file for org.apache.bsf.util.BSFEngineImpl not found [javac] private static ScriptEngine engine = new JRubyEngine(); [javac] ^ [javac] 1 error Does anyone have any insights on where I can get this class from? Or if there is a better way to be instantiating a JRubyEngine object.

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• Binding scattered/overlapping images to a WPF Canvas

  - by bufferz

  I am porting a GDI application over to WPF, where I displayed several dozen images onto Form, then drew polygons, circles, rectangles, etc over the top of these images using GDI Pens and Brushes. I'm starting to get the hang of WPF binding and would like to store all of these images and markup graphics in my ViewModel. My VM contains an ObservableCollection of my custom DrawingEntitys, DrawingEntity contains DependencyProperties for BitmapSource, Height, Width, CanvasTopLeftY, and CanvasTopLeftX, that I update frequently in the collection. I know my binding is working, I just can't figure out how to bind and draw this collection onto a Canvas. I've played around with ItemsControl and ItemsSource to death, too many different ways to list here. I can display the DrawingEntity.Bitmaps onto the canvas but Canvas.Top won't bind to CanvasTopLeftY in the DrawingEntity, everything is overlapped at 0,0. I think I'm missing an obvious strategy. Any ideas?

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• Ambiguous reference when getter/setter have different visibilities

  - by Warren Seine

  The following code raises an ambiguous reference to value at compile time: import flash.display.Sprite; public class Main extends Sprite { private var _value : Number = 0.; public function get value() : Number { return _value; } private function set value(v : Number) : void { _value = v; } public function Main() : void { value = 42.; } } I suspect some kind of bug in the compiler, though I didn't actually read the ECMA standard. Before someone asks those questions: Private setters do make sense. The ambiguity also exists with custom namespaces (which is the problem I'm facing).

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• Vim syntax highlighting: make region only match on one line

  - by sixtyfootersdude

  Hello I have defined a custom file type with these lines: syn region SubSubtitle start=+=+ end=+=+ highlight SubSubtitle ctermbg=black ctermfg=DarkGrey syn region Subtitle start=+==+ end=+==+ highlight Subtitle ctermbg=black ctermfg=DarkMagenta syn region Title start=+===+ end=+===+ highlight Title ctermbg=black ctermfg=yellow syn region MasterTitle start=+====+ end=+====+ highlight MasterTitle cterm=bold term=bold ctermbg=black ctermfg=LightBlue I enclose all of my headings in this kind of document like this: ==== Biggest Heading ==== // this will be bold and light blue ===Sub heading === // this will be yellow bla bla bla // this will be normally formatted However right now when ever I use an equals sign in my code it thinks that it is a title. Is there anyway that I can force a match to be only on one line?

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• Dynamic case statement in bash

  - by infra.user

  Hi folks, I'm trying to figure out how to create a dynamic case statement in a bash script. For example, let's say I have the output of an awk statement with the following contents red green blue In this scenario, the output can change at any time. I'm trying to then execute different logic if a value is included in this awk output. So if the data above is in $list, then I'd conceptually like to do something like: case "${my_var}" in $list) ..... something_else) ..... esac I'm trying to use this to build a dynamic custom tab completion function (see http://www.debian-administration.org/article/An_introduction_to_bash_completion_part_2 for some background). Any ideas? Thanks.

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• Setting the colour scheme for a Silverlight app from an external resource

  - by Alex Angas

  I have a Silverlight 3 application containing six custom user controls. I'd like to load the colour scheme for these controls from an external resource. The code and XAML containing a default colour scheme would be built in the XAP. Then a parameter on the object tag would contain a URL from where alternate colours can be dynamically loaded. By the way, the Silverlight 3 application theme feature could be used if that's possible but is really overkill. Only colours need to be changed. Is this possible and how would you recommend to do it?

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• How to find all Classes implemeting IDisposable?

  - by apoorv020

  I am working on a large project, and one of my tasks is to remove possible memory leaks. In my code, I have noticed several IDisposable items not being disposed of, and have fixed that. However, that leads me to a more basic question, how do I find all classes used in my project that implement IDisposable? (Not custom created classes by normal Library classes). I have already found one less-than-obvious class that implements IDisposable ( DataTable implements MarshalByValueComponent, which inherits IDisposable). Right now, I am manually checking any suspected classes by using MSDN, but isn't there some way through which I can automate this process?

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• Is there a way to rewrite a url to go to a file stored in the filefield of the node

  - by kidbrax

  I have a custom content-type called 'document' On this content-type, I have a File field where a user can upload a document. Assume the path to a document node is /somesite/document/tester I would like to be able to link to /somesite/document/tester/file and it automatically go to the file that is uploaded to the file field of the node. I have tried the url_alter module and am able to get the correct url of the document but when it tries to go there, it says not found. It seems that my redirection is still trying to be rewritten with pathauto or something. Ulitamtely, we want to have a consistent url for these documents so that a user can upload a replacement document and we can still use the same urls. Any ideas?

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• Have VB.Net 2010 ErrorProvider Fire on Tabbing Out of BindingSource TextBox on a WinForm

  - by OneSource

  I have a TextBox control on a Windows Form that uses a DataSource custom object as its BindingSource. I have associated an ErrorProvider with the BindingSource like so: Dim dobExample As New DOExample ExampleBS.DataSource = dobExample epExample.DataSource = ExampleBS The ErrorProvider fires if I type a blank space in the TextBox and then press Tab to move to the next control, which is correct. But it doesn't fire if I just press Tab without entering anything. I want the ErrorProvider to show the Error, even if the TextBox is empty and not just validate when there is text in the TextBox. How do I accomplish this? As an additional bit of info, when I execute the following statement: epDOContact.GetError(TextBox) an empty string is returned even though the TextBox is empty when it is required to be present.

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• How does autosize work in iPhone SDK?

  - by bresc

  Hi, I'm trying to do the following: I need to do a lot of custom things, so I subclassed everything. I'm having issues with autoresize and positioning. For instance the UIToolBar is not at the correct position. So here is the question: If you don't use UITableViewController or any other Controller, that takes care of all the positioning and sizing, then you have to do it yourself. Can someone someone tell me how this works? What do I need to understand?

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• Is there a good charting library for iPhone?

  - by Mike Akers

  I have a need to render and display charts (bar charts for now, but more types may be needed later) in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good, mature charting libraries for iPhone yet. I've also looked for something written for Cocoa on the Mac that can be adapted, but haven't found anything great yet. Anybody dealt with this before? Any recommendations? I did find Core Plot, but it seems to be in the early stages of development. Edit to add some details of requirements (as they currently stand ;) ) Bar Charts Horizontal bar charts Double stacked bar charts Axis labels (including rotated 90 degrees on the y axis) Labels above each bar on the chart Shaded or custom backgrounds

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• NHybernate, the Parallel Framework, and SQL Server

  - by andy

  hey guys, we have a loop that: 1.Loops over several thousand xml files. Altogether we're parsing millions of "user" nodes. 2.In each iteration we parse a "user" xml, do custom deserialization 3.finally, in each iteration, we send our object to nhibernate for saving. We use: .SaveOrUpdateAndFlush(user); This is a lengthy process, and we thought it would be a perfect candidate for testing out the .NET 4.0 Parallel libraries. So we wrapped the loop in a: Parallel.ForEach(); After doing this, we start getting "random" Timeout Exceptions from SQL Server, and finally, after leaving it running all night, OutOfMemory unhandled exceptions. I haven't done deep debugging on this yet, but what do you guys think. Is this simply a limitation of SQL Server, or could it be our NHibernate setup, or what? cheers andy

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• Simple image server

  - by Joel

  I have a bunch of images that I need others to browse via a web browser in pretty much the same way as Apache-Gallery. I'd be able to dump all my images in a directory so that users hitting: http://server:port/directory would see small thumbnails and selecting an image would load it full size on a page with options to browse the previous or next image. I'm looking for a non Apache solution, much like the wonderfull Python simple http server, that can be launched anywhere with minimal configuration & fuss e.g. python -m SimpleHTTPServer 8000 In fact, the python solution above is pretty much want I want except it doesn't thumbnail the images but just a simple directory listing. Happy to use an app written in any common language so long as it is self contained and can run on linux on a custom port (and to re-iterate, not an Apache module).

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• flex datagrid re-assign dataprovider

  - by gauravgr8

  Hi, I am working on a datagrid with custom itemRenderer & [Bindable]xmllist as dataprovider. Now the changes done in xmllist are not reflected on datagrid UI until unless I re-assign the dataprovider as the same xmllist. As the dataprovider is Bindable so re-assigning is not required. But it was not working so I re-assigned the xmllist to the dataprovider of datagrid. It worked. Now my problem is when I re-assign the dataprovider my datagrid flicker(refreshes). It should not happen. 1) Is there any way out to avoid re-assigning of dataprovider? 2) Is there any way to stop flickering of datagrid on re-assigning the dataprovider? Thanks in advance.

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• paypal redirect on successful checkout

  - by Graeme Leighfield

  I am trying to get my Paypal subscription to redirect to a custom page after a successful checkout. Before submitting to Paypal I overload the submit handler, run my own function (to store details) and return a unique id. I want to attach that id to my return URL. (as a GET or POST var so to speak) I have turned auto redirect "on" in my Paypal sandbox sellers preferences, but it only seems to re-direct to the URL that I HAVE to put in there. using the <input type="hidden" name="return" value="someurl" /> does no seem to work. I want it this way so that I can capture the user information when entered with a "non-paid" flag, then via the IPN I can update that record with a "PAID" flag, and I want to use the unique ID to tie it all together so to speak. Any advice or a different approach is welcomed. Many thanks!

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• implementing ioctl() commands in FreeBSD

  - by thecoffman

  I am adding some code to an existing FreeBSD device driver and I am trying to pass a char* from user space to the driver. I've implemented a custom ioctl() command using the _IOW macro like so: #define TIBLOOMFILTER _IOW(0,253,char*) My call looks something like this: int file_desc = open("/dev/ti0", O_RDWR); ioctl(file_desc, TIBLOOMFILTER, (*filter).getBitArray()); close(file_desc); When I call ioctl() I get: Inappropriate ioctl for device as an error message. Any guess as to what may be doing wrong? I've defined the same macro in my device driver, and added it to the case statement.

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