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  • how to precompile a jquery ui autocomplete widget?

    - by Alex
    Hello, I have a jquery ui autocomplete widget in a form and I'd like to preselect its value from a database. My autocomplete works in the following way: the id is a number, tha label and the value are the same and are a concatenation of id + " - " + description. When a value from the autocomplete is selected, a hidden field's value is set to the value of id. Then, the hidden field value is saved to the db when the form is submitted. When the user comes back on the page for editing, I need to reload the value from the db: I set the idden field value again and then I would like to precompile the value of the autocomplete widget with the concatenation of id + " - " + description taken form the db. I think I should trigger the event of selecting a row in the autocomplete, but I don't know how to do. Do you have any ideas? Thank you Here is the code of the autocomplete: $('#codice_contratto').autocomplete({ source: 'do_contratto.php', select: function(event, ui) { $('#id_contratto').val(ui.item.id); } });

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  • JQuery UI sortable: restore position based on some condition

    - by dafi
    I call sortable.stop() to make an ajax call to store some data after drag&drop operation. When the ajax call returns an error (application logic error or net problem) I want to move the dragged element to its original/start position, how can I achieve it? The scenario should be user drags A to B the sortable.stop() event is called, it triggers an ajax call the ajax call returns an error inside the stop() event we get the ajax error move A to its original position user again move A to B everything is ok A remains in its new position in B Steps 6-8 are shown to clarify a successive drag can be done and previous error must be forgotten

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  • A device specific alpha bitmap fails after switching resolutions in remote desktop

    - by Bob
    All my alpha bitmaps, created using CreateCompatibleBitmap(..), start to receive an error code 87 after someone signs in with Remote Desktop. I am assuming that this is because the resolution changed and I am using a device specific bitmap. I am wondering what the best route is to fix this issue without migrating to a device independent bitmap? Some options are: 1) Detect remote desktop change and flag all bitmaps to be reloaded (I have done this but it does not work as well as I would like). 2) Wait for error code 87 to happen on an alphablend image that previously worked, and then reload it (was going to try this next, im sure it will work, but a little hacky) 3) Detect random event such as WM_DISPLAYCHANGE or _ that tells me when I should do this (ie: a device change event I'm guessing, or maybe something more specific?) 4) _? Thanks for any help in advance

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  • Sync a WinForm with DatagridView

    - by Ruben Trancoso
    I have a Form with a DataGridView which DataSource is a BindingSource to a table. This view will have a single row selection and a button to delete, edit the current selected row in a popup Form and a insert button that will use the same Form as well. My question is how can I sync the pop Form with the current row? I tryied to use the RowStateChanged event to get and store the current selected Row to be used in the Form but I coudnt. After the event I get the row that was selected before. Other thing I dont understand yet in C# how to have a single recordSet and know wich is the current record even if its a new being inserted in a way that once in the Form all data being entered will show up at the same time in the DataGridView.

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  • Boiler plate code replacement - is there anything bad about this code?

    - by Benjol
    I've recently created these two (unrelated) methods to replace lots of boiler-plate code in my winforms application. As far as I can tell, they work ok, but I need some reassurance/advice on whether there are some problems I might be missing. (from memory) static class SafeInvoker { //Utility to avoid boiler-plate InvokeRequired code //Usage: SafeInvoker.Invoke(myCtrl, () => myCtrl.Enabled = false); public static void Invoke(Control ctrl, Action cmd) { if (ctrl.InvokeRequired) ctrl.BeginInvoke(new MethodInvoker(cmd)); else cmd(); } //Replaces OnMyEventRaised boiler-plate code //Usage: SafeInvoker.RaiseEvent(this, MyEventRaised) public static void RaiseEvent(object sender, EventHandler evnt) { var handler = evnt; if (handler != null) handler(sender, EventArgs.Empty); } } EDIT: See related question here UPDATE Following on from deadlock problems (related in this question), I have switched from Invoke to BeginInvoke (see an explanation here). Another Update Regarding the second snippet, I am increasingly inclined to use the 'empty delegate' pattern, which fixes this problem 'at source' by declaring the event directly with an empty handler, like so: event EventHandler MyEventRaised = delegate {};

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  • .net ViewState in page lifecycle

    - by caltrop
    I have a page containing a control called PhoneInfo.ascx. PhoneInfo is dynamically created using LoadControl() and then the initControl() function is called passing in an initialization object to set some initial textbox values within PhoneInfo. The user then changes these values and hits a submit button on the page which is wired up to the "submit_click" event. This event invokes the GetPhone() function within PhoneInfo. The returned value has all of the new user entered values except that the phoneId value (stored in ViewState and NOT edited by the user) always comes back as null. I believe that the viewstate is responsible for keeping track of user entered data across a postback, so I can't understand how the user values are coming back but not the explicitly set ViewState["PhoneId"] value! If I set the ViewState["PhoneId"] value in PhoneInfo's page_load event, it retrieves it correctly after the postback, but this isn't an option because I can only initialize that value when the page is ready to provide it. I'm sure I am just messing up the page lifecycle somehow, any suggestion or questions would really help! I have included a much simplified version of the actual code below. Containing page's codebehind protected void Page_Load(object sender, EventArgs e) { Phone phone = controlToBind as Phone; PhoneInfo phoneInfo = (PhoneInfo)LoadControl("phoneInfo.ascx"); //Create phoneInfo control phoneInfo.InitControl(phone); //use controlToBind to initialize the new control Controls.Add(phoneInfo); } protected void submit_click(object sender, EventArgs e) { Phone phone = phoneInfo.GetPhone(); } PhoneInfo.ascx codebehind protected void Page_Load(object sender, EventArgs e) { } public void InitControl(Phone phone) { if (phone != null) { ViewState["PhoneId"] = phone.Id; txt_areaCode.Text = SafeConvert.ToString(phone.AreaCode); txt_number.Text = SafeConvert.ToString(phone.Number); ddl_type.SelectedValue = SafeConvert.ToString((int)phone.Type); } } public Phone GetPhone() { Phone phone = new Phone(); if ((int)ViewState["PhoneId"] >= 0) phone.Id = (int)ViewState["PhoneId"]; phone.AreaCode = SafeConvert.ToInt(txt_areaCode.Text); phone.Number = SafeConvert.ToInt(txt_number.Text); phone.Type = (PhoneType)Enum.ToObject(typeof(PhoneType), SafeConvert.ToInt(ddl_type.SelectedValue)); return phone; } }

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  • Turn off LogEnabled Filter at run time - Logging Enterprise Application Block

    - by Or A
    Hi, so the story go like this: i'm using the Logging Enterprise Application block that provided by microsoft to log events in our application. The goal is to enabled event viewer logging at loading and then turn it off. What i did is to add EventLog TraceListener which write all our logs into the event viewer. What i'm trying to do is to disable it after the application was done loading. The only way that i can thing about is to add a LogEnabled Filter and then turn it off. However, i don't know how to access this filter at run time and disable log on this listener. if you have an idea, please share. Thanks

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  • Jquery datePicker

    - by Shane
    I have slight issue with the jquery datepicker in that it displays ABOVE the target box. This is due to the way my page is set up. I found the issue with CSS in my page via firebug, unfortunately it conflicts with about 20 elements. Next I tried hooking into the "beforeShow event" which works but then after the event fires it just recalculates and puts it where ever it wants. beforeShow: function() { $('#ui-datepicker-div').show(); var offset = $('#ui-datepicker-div').offset(); $('#ui-datepicker-div').css({ top: (offset.top + 222) + 'px' }) } Does anyone else have any ideas how how I can reposition this? I just need to move it down by about 200 odd pixels.

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  • Attach data to Richtext using flex, mysql and php(newbie)

    - by dmschenk
    I'm trying to attach data to a richtext field in Flashbuilder. The data is an html string in a mysql database and I'm connecting using php. The php script is just converting to XML. The connection works because I can easily dump the data to a datagrid and I can see the string. when I try to hook the data to a Richtext field I get "object CallResponder" so I am connected, but I'm not sure how to break it down so that it is just an html string for the text field. Thanks protected function creationCompleteHandler(event:FlexEvent):void { getAllAbout_fxResult.token = aboutfxService.getAllAbout_fx(); } <s:RichText x="10" y="10" text="{getAllAbout_fxResult}" creationComplete="creationCompleteHandler(event)" width="300" height="300"/>

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  • Streaming files from EventMachine handler?

    - by Noah
    I am creating a streaming eventmachine server. I'm concerned about avoiding blocking IO or doing anything else to muck up the event loop. From what I've read, ruby's non-blocking IO can be used to stream files in a non-blocking way, or I can call next_tick, but I'm a little unclear about which of these approaches is preferable. Part of the problem is that I have not found a good explanation of non-blocking IO library functions in ruby. Short version: Assuming a long-lived network IO operation, several wall clock minutes of streaming per file, transfer, what is the best way to do this in eventmachine without gumming up the event loop? while 1 do file.read do |bytes| @conn.send_data bytes end end I understand that the above code will block and I'm wondering what to put in its place. Also, I cannot use the FileStreamer class that is part of eventmachine as is, because I need to manipulate the data after it's read but before it's sent. Thanks, Noah

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  • Beta Testing Begins for New MySQL 5.6 Developer and DBA Certification Exams

    - by Brandye Barrington
    Be among the first to earn one of Oracle's new MySQL certifications. Exams for the Oracle Certified Professional, MySQL 5.6 Developer (OCP) and Oracle Certified Professional, MySQL 5.6 Database Administrator OCP) certifications are now in beta testing, are are thus available at a greatly discounted rate of $50 USD. Explore the Oracle Certification exam pages below, which share a wealth of details, including preparation steps, exam objectives, number of questions, time allotments, and pricing.  MySQL 5.6 Developer (exam 1Z1-882) MySQL 5.6 Database Administrator (exam 1Z1-883) START TODAYExam appointments are available now. Easily register online by taking the following steps: STEP 1: Go to pearsonvue.com/oracle. STEP 2: Select exam 1Z1-882 (for developers) or exam 1Z1-883 (for DBAs). These new OCP credentials raise the bar for MySQL Certified Developers and Database Administrators. Start today and be among the first to be awarded the new Oracle MySQL 5.6 certifications. QUICK LINKS Oracle Certified Professional, MySQL 5.6 Developer - certification track | exam | VIDEO (2:54) Oracle Certified Professional, MySQL 5.6 Database Administrator - certification track | exam | VIDEO (3:00) Oracle MySQL 5.6 Certification Launch Learn More: Beta Testing Registration for exam: Pearson VUE

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  • Best Fit Scheduling Algorithim

    - by Teegijee
    I'm writing a scheduling program with a difficult programming problem. There are several events, each with multiple meeting times. I need to find an arrangement of meeting times such that each schedule contains any given event exactly once, using one of each event's multiple meeting times. Obviously I could use brute force, but that's rarely the best solution. I'm guessing this is a relatively basic computer science problem, which I'll learn about once I am able to start taking computer science classes. In the meantime, I'd prefer any links where I could read up on this, or even just a name I could Google.

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  • Beta Soon Closing: Java SE 7 Programmer I (OCA) Exam

    - by Harold Green
    Just a reminder that you still have the next several weeks to take the beta exam for the new "Oracle Certified Associate, Java SE 7 Programmer" certification. From now through December 16th, you can take the "Java SE 7 Programmer I" exam (1Z1-803) for only $50 USD. Not only that, but because this only a single-exam certification - passing it puts you among the very first certified on the new Java SE 7 platform! You'll be happy to note that we worked hard to raise the bar for OCA as we built the Java SE 7 certification. The content that we considered to be more ‘conceptual knowledge-based' has been eliminated in the OCA level and has been replaced with far more practical content - what we often call "practitioner-level" concepts and questions. In fact, some of the topics that we previously covered at the Oracle Certified Professional (OCP) level is now covered at the OCA level. Doing this not only increases the value of the Java SE 7 OCA certification, but also has provided the opportunity for us to broaden the topics, concepts, questions covered at the OCP certification level. All of this adds up to more value and credibility to those who get certified on Java SE 7. The OCA exam doesn’t have prerequisites. But it is very important that you carefully review the test objectives on the exam page and assess your current skills and knowledge against that list to be sure that you're ready. From the exam page you can register to take the exam at a Pearson VUE testing center near you.Below are some helpful details on the certification track and exam. Again, register now - just a few weeks left at the special low beta price! QUICK LINKS: Certification Track: Oracle Certified Associate (OCA), Java SE 7 Programmer Certification Exam: Java SE 7 Programmer I (1Z1-803) Video: Coming Soon - Java SE 7 Certification Info: About Beta Exams Exam Registration: Instructions | Register Here

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  • how do arguments work with dojo.connect?

    - by sprugman
    I've read the docs, but I must be missing something. I've got a grid, I want to connect to the event that fires when the column headers are clicked for sorting, thus: dojo.addOnLoad(function(){ var grid = dijit.byId("grid"); dojo.connect(grid, "setSortInfo", 'afterSort'); }); function afterSort() { console.info('after sort'); } That works fine as far as it goes. I know the setSortInfo method has an argument which is the column number. How do I get that value? I've tried putting a parameter in the sig for afterSort to no avail. The docs say "the method receives the same arguments as the event", but where are they???

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  • ASP.net Modal Pop up extender and DropDownlist autopostback

    - by Jack
    Hi all. I have a gridview control where if the user click on the auto generated edit button. A window will pop up using modalpopup extender with a drop down list for user to select. The problem is the selectedindexchange event will not fire if autopostback is set to false but if i set the autopostback to true. the pop up will go away without going to the selectedindexchange event. is it possible to have a control with autopostback set to true inside the modal pop up?

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  • When to use http status code 404

    - by Sybiam
    I am working on a project and after arguing with people at work for about more than a hour. I decided to know what people on stack-exchange might say. We're writing an API for a system, there is a query that should return a tree of Organization or a tree of Goals. The tree of Organization is the organization in which the user is present, In other words, this tree should always exists. In the organization, a tree of goal should be always present. (that's where the argument started). In case where the tree doesn't exist, my co-worker decided that it would be right to answer response with status code 200. And then started asking me to fix my code because the application was falling apart when there is no tree. I'll try to spare flames and fury. I suggested to raise a 404 error when there is no tree. It would at least let me know that something is wrong. When using 200, I have to add special check to my response in the success callback to handle errors. I'm expecting to receive an object, but I may actually receive an empty response because nothing is found. It sounds totally fair to mark the response as a 404. And then war started and I got the message that I didn't understand HTTP status code schema. So I'm here and asking what's wrong with 404 in this case? I even got the argument "It found nothing, so it's right to return 200". I believe that it's wrong since the tree should be always present. If we found nothing and we are expecting something, it should be a 404. Extra Also, I believe the best answer to the problem is to create default objects when organizations are created, having no tree shouldn't be a valid case and should be seen as an undefined behavior. There is no way an account can be used without both trees. For that reasons, they should be always present.

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  • Cannot set monitor to native resolution

    - by S B
    problem is similar to so many other users, but solutions found do not work. Background: Fresh install of 12.04 (completely updated) on a Fit-PC2 (specs). Read in several places that the new 3.X kernel that 12.04 runs on has a new psb_gfx driver which supports the gma500 graphics card (poulsbo chipset). All's pretty much working (there are some glitches which are documented, so I won't raise them here), except for the screen resolution. My native monitor resolution is 1920X1080, but all I get is 1024x768. Output running xrandr: xrandr: Failed to get size of gamma for output default Screen 0: minimum 1024 x 768, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm x 0mm 1024x768 0.0* Although I read that Ubuntu does not come with an xorg.conf file anymore, I also tried running sudo X :1 -configure, and here's the end of the output: Number of created screens does not match number of detected devices. Configuration failed. When I look in the xorg.conf.new file created in my home directory, it seems that for some reason X thinks I have two screens. Don't know what to do with that. Ideas anyone? Thanks for your time.

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  • Problem with StandardOutput stream in async mode.

    - by JF
    Hi everyone. I have a program that launches command line processes in async mode, using BeginOutputReadLine. My problem is that the .Exited event is triggered when there is still some .OutputDataReceived events being triggered. What I do in my .Exited event must happen only once all my .OutputDataReceived events are done, or I'll be missing some output. I looked in the Process class to see if anything could be useful to me, as to wait for the stream to be empty, but all I find is for sync mode only. Can any of you help? Thanx.

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  • How do I properly handle a faulted WCF connection?

    - by mafutrct
    In my client program, there is a WCF connection that is opened at startup and supposedly stays connected til shutdown. However, there is a chance that the server closes due to unforeseeable circumstances (imagine someone pulling the cable). Since the client uses a lot of contract methods in a lot of places, I don't want to add a try/catch on every method call. I've got 2 ideas for handling this issue: Create a method that takes a delegate and executes the delegate inside a try/catch and returns an Exception in case of a known exception, or null else. The caller has to deal with nun-null results. Listen to the Faulted event of the underlying CommunicationObject. But I don't see how I could handle the event except for displaying some error message and shutting down. Are there some best practices for faulted WCF connection that exist for app lifetime?

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  • iphone sdk: finding the direction of scrolling in UIScrollView

    - by Alex1987
    I have a UIScrollView with only horizontal scrolling allowed, and I would like to know which direction (left, right) the user scrolls. What I did was to subclass the UIScrollView and override the touchesMoved method: - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { [super touchesMoved:touches withEvent:event]; UITouch *touch = [touches anyObject]; float now = [touch locationInView:self].x; float before = [touch previousLocationInView:self].x; NSLog(@"%f %f", before, now); if (now > before){ right = NO; NSLog(@"LEFT"); } else{ right = YES; NSLog(@"RIGHT"); } } But this method sometimes doesn't get called at all when I move. What do you think?

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  • ASP.NET Nested Repeater Accessing elements

    - by Rich
    I have a list of Accommodation objects bound to a Repeater, and then a nested Repeater which has the various attendee groups listed [e.g. Default, Seniors, Juniors]. This is all output fine, with the values displayed as LinkButtons, which when clicked gets sent to a code-behind event handler. Here is an example of the output to give you a picture [with some er... interesting attendee group names]: In the event handler, I test the object parameter to see which Repeater has been sent, as the outer repeater's links can also be clicked [so the Accommodation would be set, but no Attendee Group]. Is there a way to get a HiddenField from the outer RepeaterItem that contains the currently clicked inner repeater's LinkButton? E.g. From the image, I click the Attending link in the Women section. So the EventArgs via FindControl can get me the hidden field which contains the Attendee Group's ID, which is good, but I also need the Accommodation ID [to know whether it was either Wimbledon Hotel Inn or New Acc]

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  • AppDomain.CurrentDomain.DomainUnload not be raised in Console app

    - by Guy
    I have an assembly that when accessed spins up a single thread to process items placed on a queue. In that assembly I attach a handler to the DomainUnload event: AppDomain.CurrentDomain.DomainUnload += new EventHandler(CurrentDomain_DomainUnload); That handler joins the thread to the main thread so that all items on the queue can complete processing before the application terminates. The problem that I am experiencing is that the DomainUnload event is not getting fired when the console application terminates. Any ideas why this would be? Using .NET 3.5 and C#

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