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• MYSQL TRIGGER LOOP

  - by Lee

  Hey all I am going through the pain stacking process of sorting out someone else code. So I am decided to recreate a new database to sit alongside the old one then to use triggers to transfer data between both tables. Now I have an issue with a it looping IE A trigger on each table to update the other. Once one updates it should update the other but as both tables have triggers it just will loop which will cause an issue. Is their a way to stop this from happening ? Hope this makes sense and hope you can advise.

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• iPhone UITableView trigger a parent method?

  - by MidnightLightning

  Okay, so I'm working on an iPhone app with a preferences-esque section where there's a base TableView, which has one section, and several rows of customized cells to hold a name and a value label. Clicking on a row brings up another View, which allows the user to pick from a list (another TableView), and select an item. All of these TableViews are done programatically. The base TableView has a property that holds a Controller instance for each of the "pick from the list" Views. Each of the "pick from the list" views has a property called chosenValue that has the currently-selected option. I've gotten the UI to handle the didSelectRowAtIndexPath to update the chosenValue property and then "pop" the view (going back to the main TableView). But, even though the main TableView's cellForRowAtIndexPath method references the chosenValue property of the subview that's held in a property, the view doesn't update when an item is selected. In short, how can the sub-view trigger a reloadData on the parent object, after it "pops" and unloads?

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• How to trigger saved password autofill in browsers?

  - by Aleksander Kmetec

  I have a web application written in pure JavaScript (no pre-generated HTML except for the document which loads all the JS files). This app contains a login form which is created dynamically when the document.ready event event is triggered. I trick the browser into displaying the "Remember password?" dialog by posting the login form into a hidden iframe before logging in using ajax (in Firefox the password appears on the saved password list, so this part obviously works) but saved passwords never get filled in after the login screen is loaded again at a later time. The same thing happens in Firefox and Safari. Is there something I can do or some function I can call to trigger autofill? UPDATE: autofill works in Safari on initial page load, but not when user logs out and the login form is recreated without a page reload. In Firefox it never works.

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• A trigger on hibernate (maybe this is called interceptor)

  - by Ittai

  Hi, I have a module which uses Hibernate as an ORM solution with EHCache as second level cache. I have another seperate module which inserts and updates the database. What I need is to have the ability to trigger an event when a row is inserted or updated. Let's say I have a Customers table and it is mapped to a Customer entity. I want some procedure to notify me that a new Customer has been added. Regarding the second seperate module it uses Hibernate also but at least for the time being they are not connected (I'm pointing this out as if someone thinks that I must share the Hibernate session (or something of the sort) between them then this is something I will consider). Please note that I have limited experience with Hibernate. Thanks in advance

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• jQuery event to trigger action when a div is made visible

  - by frankadelic

  I'm using jQuery in my site and I would like to trigger certain actions when a certain div is made visible. Is it possible to attach some sort of "isvisible" event handler to arbitrary divs and have certain code run when they the div is made visible? I would like something like the following pseudocode: $(function() { $('#contentDiv').isvisible(function() { alert("do something"); }); }); The alert("do something") code should not fire until the contentDiv is actually made visible. Thanks.

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• jQuery - Trigger click event on links with spacebar?

  - by Herb Caudill

  It looks like in most browsers, an <input type="submit"> treats both [spacebar] and [enter] as a click, but an <a> link only treats [enter] as a click. My app uses a number of links formatted to simulate buttons, so a user that is accustomed to tabbing to a button and pressing [spacebar] will be frustrated. This bit of jQuery solves the problem: $("a.Button").die("keypress").live("keypress", function(e) { if (e.which == 32) { $(this).trigger("click"); e.preventDefault(); } }); My question: Is this a reason not to do this? I'm a little reluctant to override the browser's default behavior on something as basic as this, but since I'm already abusing the link tag to make it look like a button, at least this way I'm not violating the user's expectations any further.

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• Any way to trigger interface orientation check?

  - by Johnny Tee

  My app is going from a flipside view (only one orientation) to its main view (can have any sort of orientation. When I go from flipside back to main view, the main view's orientation is not checked and changed immediately. I need a way to trigger the built in orientation check that happens in willRotateToInterfaceOrientation so that the orientation is correct when the user goes from flipside view to main view. Any help is appreciated. I saw another question about this but didn't see a definitive answer. Thanks!

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• Repeater ItemDataBound Complete Trigger

  - by OliverS

  Hi I have a Repeater and I am doing various things during the ItemDataBound event. My Repeater is in a control. What I am noticing is that the things that are supposed to happen in the ItemDataBound event happen after the Page_Load of the page hosting the control. Is there a way to use some sort of ItemDataBoundComplete trigger so I can do other things on my page after the events of the ItemDataBound have taken place? Thanks, please let me know if I have not been clear. [Edit] I have controls that are being bound to the ItemDataBound and they are not available until after the Page_Load for the page hosting the control. [Solution] (In my case): In my page I used the following: Control.Page.LoadComplete += new EventHandler(Control_LoadComplete); Then I performed what I had to do in that event.

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• trigger onchange event manually

  - by Anitha

  Hi all, I'm setting a date-time textfield value via a calendar widget. Obviously, the calendar widget does something like this : document.getElementById('datetimetext').value = date_value; What I want is : On changing value in the date-time textfield I need to reset some other fields in the page. I've added a onchange event listener to the datetimetext field which is not getting triggered, because I guess onchange gets triggered only when the element gets focus & its value is changed on losing focus. Hence I'm looking for a way to manually trigger this onchange event (which I guess should take care of checking the value difference in the text field). Any ideas ? Thanks in advance, Anitha

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• Google SpreadSheets - When using a time trigger in code, some cells getting '#N/A' value

  - by Robi

  I've created a Google spreadsheet with imported data on one cell, extracting specific string to another cell and pasting the data in a table with a trigger for every 2 hours. Now everything works perfectly when running the script manually but when logged out and waiting for the cells to fill, sometimes the pasted cell getting "#N/A" value. Here is the code I'm using: function PasteV(){ var ss = SpreadsheetApp.getActiveSpreadsheet(); var sheet = ss.getSheets()[0]; var timestamp= sheet.getRange("D1").getValue(); var sale= sheet.getRange("G1").getValue(); var rent= sheet.getRange("J1").getValue(); sheet.appendRow([timestamp, rent, sale]); } Again when running manually countless times - no problem. I'll appreciate your help. Thanks.

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• Event trigger print using VC++

  - by santhosh kumar

  I have requirement to print log data continuously whenever an event trigger (Without showing print dialog, using default printer). Event may occur twice a second or minit or hour. Also i don`t bother about printer status. example out of paper, communication problem. Printer should not leave empty page. Example event 1 have 4 lines of data to print. While printing event 2, printer should print continuously instead of fetching next paper. My development environment VC++ and MFC.

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• unique constraint (w/o Trigger) on "one-to-many" relation

  - by elgcom

  To illustrate the problem, I make an example: A tag_bundle consists of one or more than one tags. A unique tag combination can map to a unique tag_bundle, vice versa. tag_bundle tag tag_bundle_relation +---------------+ +--------+ +---------------+--------+ | tag_bundle_id | | tag_id | | tag_bundle_id | tag_id | +---------------+ +--------+ +---------------+--------+ | 1 | | 100 | | 1 | 100 | +---------------+ +--------+ +---------------+--------+ | 101 | | 1 | 101 | +--------+ +---------------+--------+ There can't be another tag_bundle having the combination from tag 100 and tag 101. How can I ensure such unique constraint when executing SQL "concurrently"!! that is, to prevent concurrently adding two bundles with the same tag combination Adding a simple unique constraint on any table does not work, Is there any solution other than Trigger or explicit lock. I come to only this simple way: make tag combination into string, and let it be unique. tag_bundle (unique on tags) tag tag_bundle_relation +---------------+--------+ +--------+ +---------------+--------+ | tag_bundle_id | tags | | tag_id | | tag_bundle_id | tag_id | +---------------+--------+ +--------+ +---------------+--------+ | 1 | 100,101| | 100 | | 1 | 100 | +---------------+--------+ +--------+ +---------------+--------+ | 101 | | 1 | 101 | +--------+ +---------------+--------+ but it seems not a good way :(

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• Simulating an identity column within an insert trigger

  - by William Jens

  I have a table for logging that needs a log ID but I can't use an identity column because the log ID is part of a combo key. create table StuffLogs { StuffID int LogID int Note varchar(255) } There is a combo key for StuffID & LogID. I want to build an insert trigger that computes the next LogID when inserting log records. I can do it for one record at a time (see below to see how LogID is computed), but that's not really effective, and I'm hoping there's a way to do this without cursors. select @NextLogID = isnull(max(LogID),0)+1 from StuffLogs where StuffID = (select StuffID from inserted) The net result should allow me to insert any number of records into StuffLogs with the LogID column auto computed. StuffID LogID Note 123 1 foo 123 2 bar 456 1 boo 789 1 hoo Inserting another record using StuffID: 123, Note: bop will result in the following record: StuffID LogID Note 123 3 bop

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• MonoRail - Clearing value on edit form submission doesn't trigger validation

  - by Justin

  Hey, In a MonoRail app I have an add/edit view. On add if I don't pick a value for a dropdown I get a validation error and am forced to pick a value. However, if I then edit that same item and reset the dropdown back to the first item ("Select an Item", "0"), it saves and doesn't say it was invalid. Debugging the entity sent back to the server, I can see that it's sending the original value for the dropdown instead of the new value of "0". What's going on here? The first thing I would expect is that it would trigger the validation since the dropdown value isn't set. The second thing I would expect is that it would send the new value I send, not the original. It does send the new value if I change it to another value, but it's as if it has internal logic that says - "I'm updating this entity and a new value was not passed, just don't change the entity value." Thanks, Justin

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• How do I trigger a single event defined for a class of objects

  - by mrbinky3000

  I have a question. I have 8 buttons that have unique incrementing id's and a shared class. <button class="btnChapter" id="btnChapter_1" value="1">1</button> <button class="btnChapter" id="btnChapter_2" value="2">2</button> <button class="btnChapter" id="btnChapter_3" value="3">3</button> ... In order to prevent me from duplicating code, I bound a click event to the btnChapter class instead of binding an event individually to each button's ID. $('.btnChapter').click(function(){ .. do stuff .. }); How do I trigger() the click() event only for #btnChapter_2? The following doesn't seem to work. $('#btnChapter_2').click()

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• To trigger everytime with .click()?

  - by Dejan.S

  I tried to have a .click() on a <a> to find out it wont trigger every time I click, what it suppose to do is open a dialog. That is not the only problem I would need to pass a value to my jquery to. I just cant figure this one out. I need it to be a <a> because it's gone be in a dropdown menu. Do you got any suggestions? this is the code I use so far $(document).ready(function() { $('a').click(function() { var first = "<iframe style='width: 100%; height: 100%;' src='" + need to put value here + "'</iframe>'"; $('.iframe').html(first); $('#dialog').dialog({ bgiframe: true, modal: true, height: 600, width: 1000 }); }); }); thanks guys

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• Trigger button click with JavaScript on Enter key in Text Box

  - by ziondreams

  I have one text input and one button (see below). How can I use JavaScript to trigger the button's click event when the Enter key is pressed inside the text box? There is already a different submit button on my current page, so I can't simply make the button a submit button. And, I only want the enter key to click this specific button if it is pressed from within this one text box, nothing else. <input type="text" id="txtSearch" /> <input type="button" id="btnSearch" value="Search" onclick="doSomething();" /> Update: I'd like to accept my own answer below, but since that is now allowed I will accept the next best solution.

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• C# NetworkAvailibilityChanged doesn't trigger on disconnect

  - by Nickolay Kondratyev

  My goal is to detect when the Ethernet cable gets disconnected I am attempting to use NetworkChange class but the event NetworkAvailibilityChanged does not trigger when I unplug Ethernet cable. NetworkAddressChanged does get triggered in about 8 seconds but NetworkAvailibilityChanged never does, is there is anything am I am missing? public partial class Form1 : Form { public Form1() { InitializeComponent(); NetworkChange.NetworkAvailabilityChanged += new NetworkAvailabilityChangedEventHandler(NetworkChange_NetworkAvailabilityChanged); NetworkChange.NetworkAddressChanged += new NetworkAddressChangedEventHandler(NetworkChange_NetworkAddressChanged); } void NetworkChange_NetworkAvailabilityChanged(object sender, NetworkAvailabilityEventArgs e) { Console.WriteLine("NetworkChange_NetworkAvailabilityChanged"); } void NetworkChange_NetworkAddressChanged(object sender, EventArgs e) { Console.WriteLine("NetworkChange_NetworkAddressChanged"); } }

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• Trigger on database using a web application and a winform application

  - by Michael

  Hello all, Situation: I have a web application which shows errors and where you can accept those error messages. I also have a service, which checks errors from a system and sets the error messages in the database. When I accept an error in the web application, i would like the service to know which error message has been accepted, so that it can do some other actions. My guess is that this could be done through some sort of trigger, but i can't figure out how. Can anyone help me with this?

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• running a stored procedure inside a sql trigger

  - by Ying

  Hi all, the business logic in my application requires me to insert a row in table X when a row is inserted in table Y. Furthermore, it should only do it between specific times(which I have to query another table for). I have considered running a script every 5 minutes or so to check this, but I stumbled upon triggers and figured this might be a better way to do it. But I find the syntax for procedures a little bewildering and I keep getting an error I have no idea how to fix. Here is where I start: CREATE TRIGGER reservation_auto_reply AFTER INSERT ON reservation FOR EACH ROW BEGIN IF NEW.sent_type = 1 /* In-App */ THEN INSERT INTO `messagehistory` (`trip`, `fk`, `sent_time`, `status`, `message_type`, `message`) VALUES (NEW.trip, NEW.psk, 'NOW()', 'submitted', 4, 'This is an automated reply to reservation'); END; I get an error in the VALUES part of the statmenet but im not sure where. I still have to query the other table for the information I need, but I can't even get past this part. Any help is appreciated, including links to many examples..Thanks

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• MySQL Update Trigger with Conditions

  - by user1760656

  I have a PHP app that inserts 'Pass', 'Fail' or 'NA' into fields TEST1, TEST2, TEST3... through TEST15. I have a field called OVERALL that needs to be automatically updated with 'FAIL' if any of the TEST1-TEST15 fields contains 'Fail'. I'm pretty sure I need to use a trigger containing the update statement and either CASE or IF, but I haven't been able to nail down the exact syntax. Can anyone please help a MySQL noob? I'm using MySQL Server version: 5.1.63-0+squeeze1 (Debian).

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• Trigger Event after values have been commited for validation purposes

  - by www.jefferyfernandez.id.au

  I have a Flex component with a form and on creationComplete, I load some data onto the form textInputs. After the Form TextInputs have got their values, I want to trigger an event so the Parent of the component can validate the values on the TextInputs and based on the validation results, I perform some enable/disable of other interfaces. I have the following dispatch code: this.dispatchEvent(new PersonalDetailsEvent(PersonalDetailsEvent.LOADED_DATA_EVENT)); The event is dispatched and is captured by the parent. But upon performing the validation, some TextInputs always fail the validation. I thought it could be because of a race condition and so I used callLater() with same results. So in the end I am now using a timer to dispatch the event which is not ideal. Does anyone have a solution to this problem. It is really annoying that a timer needs to be used for this scenario.

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• Trigger Backgroundworker Completed event.

  - by fireBand

  Hello, I am trying to display the progress bar(marque) in a separate form (progressForm) while i do some calculation in background. I know the typical way of doing it is to include the calculation in background worker and show progressForm in main thread. This approach how ever will lead to lot of synch issues in my application hence I am showing the progressForm using progressForm.ShowDialog() inside the background worker process. But I need to trigger the Completed event with in the application to close the form. Is this possible? Thanks in advance.

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• jQuery - Programmatically Trigger Event

  - by Sonny

  I need to programmatically trigger a click event that's being handled by jQuery. Here's the current code: var $thumbs = $('#PhotoGalleryThumbs .tile'); var $zoom = $('#PhotoGallery #PhotoGalleryZoom img'); var $description = $('#PhotoGallery #PhotoGalleryDescription'); $thumbs.click(function(event) { event.preventDefault(); var $thumb = $(this); $thumb.addClass('selected') .siblings().removeClass('selected'); $zoom.attr('src', $thumb.children('a').attr('href')); $description.html($thumb.find('img').attr('alt')); }); I am having a mental block working out how to create a function out of the event handling code and then arbitrarily calling it for an element in the $thumbs object.

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• count number of rows to be affected before update in trigger

  - by tomaszsobczak

  Hi, I want to know number of rows that will be affected by UPDATE query in BEFORE per statement trigger . Is that possible? The problem is that i want to allow only queries that will update up to 4 rows. If affected rows count is 5 or more i want to raise error. I don't want to do this in code because i need this check on db level. Is this at all possible? Thanks in advance for any clues on that

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