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• Shutting down a WPF application from App.xaml.cs

  - by Johannes Rössel

  I am currently writing a WPF application which does command-line argument handling in App.xaml.cs (which is necessary because the Startup event seems to be the recommended way of getting at those arguments). Based on the arguments I want to exit the program at that point already which, as far as I know, should be done in WPF with Application.Current.Shutdown() or in this case (as I am in the current application object) probably also just this.Shutdown(). The only problem is that this doesn't seem to work right. I've stepped through with the debugger and code after the Shutdown() line still gets executed which leads to errors afterwards in the method, since I expected the application not to live that long. Also the main window (declared in the StartupUri attribute in XAML) still gets loaded. I've checked the documentation of that method and found nothing in the remarks that tell me that I shouldn't use it during Application.Startup or Application at all. So, what is the right way to exit the program at that point, i. e. the Startup event handler in an Application object?

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• How do I make a child control re-anchor to its parent Form when it has been cut off on a small resol

  - by Paul Fedory

  I have a Windows Form with a default size of 1100 x 400, and I have a DataGridView control on it anchored to Top, Left, Bottom, Right. Resizing the form on a screen with resolution higher than 1100 x 400 works fine, and the anchoring works well, resizing the DataGridView control as expected. When I launch the form on a screen with resolution 800x600, the form is cut off, and made to fit the 800 x 600. The DataGridView is cut off, and cannot be seen entirely - it bleeds off the form to the right, so it's not respecting the right anchor. Resizing the form in this situation doesn't respect the anchoring settings for some reason: the DataGridView control does not resize when the form is resized. Is there a way programmatically (on a resize event or something) to force the child DataGridView control to anchor to the sides of the form? I've already tried calling a PerformLayout and Refresh in the Form's resize event but it's rather redundant, isn't it?

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• How do I detect when a cell's value has changed in Silverlight?

  - by jvenema

  Hey folks, I'm working in Silverlight, trying to figure out how to set a grid cell font color based on the contents of the cell. I have an ObservableCollection bound to a DataGrid, and my items implement INotifyPropertyChanged so the grid updates as I change the values; it's all working perfectly, including letting me sort items and keep the sorting while I update the underlying items. I know I can use the LoadingRow event to change colors, but the only way I can get the event to fire is by changing the grids datasource, in which case my sorting goes out the window. So, what I really want is a way to either 1) loop the rows in the datagrid, find the cell I need, and change it's color or 2) implement a custom column that I can use to dynamically set the color. The problem is how to actually do either of those things :) All suggestions welcome.

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• Events on controls in web server control

  - by MarkyMarc

  Hi All, I'm creating a web server control that has an image button on it. The html for the control is done in the RenderControls of the code, the control devrives from WebControl, IScriptControl, INamingContainer. The button is coded as follow in the RenderControls: System.Web.UI.WebControls.ImageButton img = new System.Web.UI.WebControls.ImageButton(); img.ImageUrl = "Url of the image"; img.Click += new ImageClickEventHandler(img_Click); img.ID = this.ClientID + "_img"; img.CausesValidation = false; imgLock.RenderControl(output); The button apreas in the browser but when i click on it, the page postsback but the event handler for the button doesn't get fired, from what i can figure out, since the control goes throught RenderControls eachtime the page is posted back, the button gets redrawn and the event handling disapears. This server control is in a master page. Anyone can help me on this? Thanks

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• SVG - From Window coordinates to ViewBox coordinates

  - by user353072

  Hi, Basically I have an svg "SecondSVG" into an svg "FirstSVG" into an svg "MainSVG".Every svg has its own ViewBox. This page can be loaded anywhere on the screen by another page. So basically how can i find the screen x for viewBox for"SecondSVG" knowing that this svg can be loaded basically anywhere based on the calling page? event.clientX gives myself the x coordinate for the screen. If I don't know the coordinate for ViewBox of "SecondSVG" then how can I find out the x coordinate inside the ViewBox of "SecondSVG"? I am using Firefox 3.6.3 and I do have an event object from which I can extract clientX, clientY and other coordinates that are relative to the screen. However what I need are the coordinates inside the ViewBox.

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• serial port close hangs in compact frame work 3.5

  - by ananda

  I have developed the application for windows mobile 5.0 and .net compact framework 2.0 sp2. This application communicates to the hardware device using serial port. This application works fine in windows mobile 5.0 based PDAs. I have handled data received event to get the data from serial port. But when I run my application on windows mobile 6.1 and .net compact framework 3.5, my application hangs on serial port close API call. There are many workarounds mentioned in the .net compact framework blog like (closing the com port on different thread, opening the port in the beginning of the application and close once application exists, polling for data instead of event handling), but nothing is working consistently.

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• CollectionChanged notification across threads?

  - by Mark

  I'm writing a download manager using C#/WPF, and I just encountered this error: This type of CollectionView does not support changes to its SourceCollection from a thread different from the Dispatcher thread. The basic flow of my program is that a few web pages/downloads are enqueued at the start, and then they're downloaded asynchronously. When an HTML page has completed downloading, I parse it and look for more stuff to download, then enqueue it directly from within the worker thread. I get that error when trying to send out the CollectionChanged event on my customized queue class. However, I need to fire that event so that the GUI can get updated. What are my options?

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• flex custom events bubbling

  - by Rajeshbabu TRC

  Dear Richard Szalay, i go through your answers regarding bubbling, i want explore bubbling more. Please see my sample below <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" xmlns:view="com.view.*" > } ]] In my custom event class i set bubbling=true, cancelable=true I can understand from previous answer that bubbling only affects UI components; events fired from custom classes will not bubble, even if the bubbles argument is set to true. My question is how can i prevent panelClickHandler function got fired when i click button in the "Load" (custom component)?? pleas explain bubbling with good example ( like to have with custom event classes)?

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• how to dynamically change masterpage in asp.net mvc application

  - by Fraz Sundal

  how to dynamically change masterpage in asp.net mvc application. Like in ASP.Net it can be changed in Page_PreInit Event

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• How do you clear RootLayoutPanel in GWT?

  - by kerrr

  I have Buttons attached to elements on the modules entrypoint html page using RootPanel.get("foo").add(button). If I subsequently create a LayoutPanel and attach it using RootLayoutPanel.get.add(layoutpanal) then the buttons cannot be clicked. This is all fine. If I then try and remove the layoutpanel or clear the RootLayoutPanel the buttons still cannot be clicked. Any ideas how to clear this? Have I missed a step or should you simply never try and get back to using a page's RootPanel if you have used a RootLayoutPanel? Sample code: public void onModuleLoad(){ final LayoutPanel lp1=new LayoutPanel(); ClickPanel ping=new ClickPanel("Ping"); ping.getElement().getStyle().setBackgroundColor( "#fdd" ); ping.addClickHandler( new ClickHandler(){ @Override public void onClick( ClickEvent event ){ Window.alert( "Ping!!!" ); //lp1.removeFromParent(); //RootLayoutPanel.get().remove(lp1); //RootLayoutPanel.get().removeFromParent(); RootLayoutPanel.get().clear(); } } ); ClickPanel bong=new ClickPanel("Bong"); bong.getElement().getStyle().setBackgroundColor( "#ddf" ); bong.addClickHandler( new ClickHandler(){ @Override public void onClick( ClickEvent event ){ Window.alert( "Bong!!!" ); } } ); lp1.add( ping ); lp1.setWidgetLeftWidth( ping, 100, Style.Unit.PX, 500, Style.Unit.PX ); lp1.setWidgetTopHeight( ping, 100, Style.Unit.PX, 500, Style.Unit.PX ); lp1.add( bong ); lp1.setWidgetLeftWidth( bong, 50, Style.Unit.PCT, 600, Style.Unit.PX ); lp1.setWidgetTopHeight( bong, 50, Style.Unit.PCT, 200, Style.Unit.PX ); Button b=new Button("Click Me"); b.addClickHandler( new ClickHandler(){ @Override public void onClick( ClickEvent event ){ RootLayoutPanel.get().add( lp1 ); } } ); RootPanel.get("button1").add( b ); } ClickPanel is simply overrides HTMLPanel implementing HasClickHandelers. Clicking "Click Me" opens the layout panel. Clicking the panel ping gets rid of the layout panel, but the button "Click Me" cannot be clicked. I've tried various options.

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• Opting out of `dragenter` and `dragover` events (html5)

  - by aaaidan

  I have a collection of draggable "content" elements, and a root-level "feedback" UI element which is displayed above them to provide feedback during drag and drop. The problem is, during the drag operation, hovering over the "feedback" element causes the dragenter and dragover events to be fired on that element, rather than the underlying content element. It effectively "blocks" the dragenter event from firing on the correct element. Is there a way for an element to cancel, or "opt out" of a dragenter/dragover event? I could display the feedback element underneath the content, but I'd rather not do that. jsFiddle: http://jsfiddle.net/jact8/1/ I'm using the HTML drag/drop api, not jQuery or anything like that.

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• CKeditor 3.0 - How to know which toolbar button is clicked

  - by understack

  Hi, I want to update few variables when any of the toolbar button (like bold, italic etc) is clicked. I'm unable to trap 'click' event on any of these buttons. Could somebody give me an example when clicking on 'bold' button would also pop up an alert box? How can I trap 'paste' event? I've googled a lot and searched ckeditor forum but couldn't find any solution. Any pointer would be really helpful. Thanks.

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• how to handle .something in the url

  - by dorelal

  I am using rails 2.3.5 . I have a resource for event. map.resources :events respond_to do |format| format.html format.js { render :text => @event.to_json, :layout => false } end It is a public site and sometimes I get urls like http://domain.com/events/14159-international-hardware-show-2010+91+"prashant"+2010+OR+email+OR+data+OR+base+-ALIBA.BACOM&hl=en&ct=clnk I keep getting hoptoad exception email. How do I handle such cases?

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• Strange behaviour when posting CGEvent to PSN

  - by Ben Packard

  If I set up a loop that posts some keyboard events to a PSN, I find that it works fine except for when first launched. The event only seems to post when i do something with the mouse manually - even just moving it slightly. Here's the details, if they help. An external application has a list box of text lines, which I am reading by posting copy commands (and checking the pasteboard). Unfortunately this is my only way to get this text. Sometimes, the application pulls focus away from the list, which I can detect. When this happens, the most reliable way to return focus is by sending a mouse event to click on a text field directly above the list, then send a 'tab' keyboard event to shift the focus onto the list. So at launch, the loop runs fine, scrolling down the list and copying the text. When focus is shifted away, its is detected fine, and the events are sent to move focus back to the list. But nothing seems to happen. The loop continues detecting that focus has changed, but the events only work once I move the mouse. Or even just use the scroll wheel. Strange. Once this has happened the first time, it works fine - each time focus moves, the PSN events switch it back without me having to do anything at all. Here's the code that runs in the loop - verified as working: //copy to pasteboard - CMD-V e3 = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)8, true); CGEventSetFlags(e3, kCGEventFlagMaskCommand); CGEventPostToPSN(&psn, e3); CFRelease(e3); e4 = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)8, false); CGEventPostToPSN(&psn, e4); CFRelease(e4); //move cursor down e1 = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)125, true); CGEventPostToPSN(&psn, e1); CFRelease(e1); e2 = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)125, false); CGEventPostToPSN(&psn, e2); CFRelease(e2); And here's where I switch focus, also working (except when first required): //click in text input box - point is derived earlier e6 = CGEventCreateMouseEvent(NULL, kCGEventLeftMouseDown, point, 0); CGEventPostToPSN(&psn, e6); CFRelease(e6); e7 = CGEventCreateMouseEvent(NULL, kCGEventLeftMouseUp, point, 0); CGEventPostToPSN(&psn, e7); CFRelease(e7); //press tab key to move to chat log table CGEventRef e = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)48, true); //CGEventPost(kCGSessionEventTap, e); CGEventPostToPSN(&psn, e); CFRelease(e); CGEventRef e11 = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)48, false); CGEventPostToPSN(&psn, e11); CFRelease(e11);

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• Programmatically change .net configuration at runtime?

  - by fretje

  Is there a way to programmatically enable diagnostic tracing for a WSE web service client? This is how it should be configured using an app.config file: <?xml version="1.0" encoding="utf-8"?> <configuration> <configSections> <section name="microsoft.web.services3" type="Microsoft.Web.Services3.Configuration.WebServicesConfiguration, Microsoft.Web.Services3, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" /> </configSections> <microsoft.web.services3> <diagnostics> <trace enabled="true" input="InputTrace.webinfo" output="OutputTrace.webinfo" /> </diagnostics> </microsoft.web.services3> </configuration> I would like to do this from code. Is this possible?

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• Radio button inside anchor element is reset after jQuery click handler

  - by GrievousAngel

  I have a situation where an element, of type radio, is contained in an element. The anchor element has a href but I want to override that behaviour by adding a jQuery 'click' handler to the element. The click handler makes the radio button inside it the selected one within the group. This all works when the anchor is clicked, however, when the radio button is clicked it appears that jQuery resets the selected radio to the previously selected one! Here is a the simplified page that duplicates the issue: <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function() { $("#a1").click(function(event) { anchorClicked("a1"); return false; }); $("#a2").click(function(event) { anchorClicked("a2"); return false; }); }); function anchorClicked(anchorId) { $('#' + anchorId + ' input:radio').attr("checked", true); alert("Look at what is selected and what happens after the event when this dialog is closed!"); } </script> </head> <body> <form> <ul> <li id="li1"> <a id="a1" href="javascript:alert('default functionality')"> <input value="1" name="rb" type="radio" id="rb1"> <span>Details 1</span> </a> </li> <li id="li2"> <a id="a2" href="javascript:alert('default functionality')"> <input value="2" name="rb" type="radio" id="rb2"> <span>Details 2</span> </a> </li> </ul> </form> </body> Does anyone have any idea how I can prevent jQuery for resetting the radio button?

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• Problem with richfaces ajax datatable + buttons

  - by Schyzotrop

  Hello i have another problem with RichFaces this is my application and it shows how i want it to work : http://www.screencast.com/users/Schyzotrop/folders/Jing/media/a299dc1e-7a10-440e-8c39-96b1ec6e85a4 this is video of some glitch that i can't solve http://screencast.com/t/MDFiMGMzY the problem is that when i am trying to press any buttons on others than 1st category it won't do anything IF 1st category has less rows than the one i am calling it from from 1st category it works always i am using follwoing code in jsp for collumns : <h:form id="categoryAttributeList"> <rich:panel> <f:facet name="header"> <h:outputText value="Category Attribute List" /> </f:facet> <rich:dataTable id="table" value="#{categoryAttributeBean.allCategoryAttribute}" var="cat" width="100%" rows="10" columnClasses="col1,col2,col2,col3"> <f:facet name="header"> <rich:columnGroup> <h:column>Name</h:column> <h:column>Description</h:column> <h:column>Category</h:column> <h:column>Actions</h:column> </rich:columnGroup> </f:facet> <rich:column filterMethod="#{categoryAttributeFilteringBean.filterNames}"> <f:facet name="header"> <h:inputText value="#{categoryAttributeFilteringBean.filterNameValue}" id="input"> <a4j:support event="onkeyup" reRender="table , ds" ignoreDupResponses="true" requestDelay="700" oncomplete="setCaretToEnd(event);" /> </h:inputText> </f:facet> <h:outputText value="#{cat.name}" /> </rich:column> <rich:column filterMethod="#{categoryAttributeFilteringBean.filterDescriptions}"> <f:facet name="header"> <h:inputText value="#{categoryAttributeFilteringBean.filterDescriptionValue}" id="input2"> <a4j:support event="onkeyup" reRender="table , ds" ignoreDupResponses="true" requestDelay="700" oncomplete="setCaretToEnd(event);" /> </h:inputText> </f:facet> <h:outputText value="#{cat.description}" /> </rich:column> <rich:column filterMethod="#{categoryAttributeFilteringBean.filterCategories}"> <f:facet name="header"> <h:selectOneMenu value="#{categoryAttributeFilteringBean.filterCategoryValue}"> <f:selectItems value="#{categoryAttributeFilteringBean.categories}" /> <a4j:support event="onchange" reRender="table, ds" /> </h:selectOneMenu> </f:facet> <h:outputText value="#{cat.categoryID.name}" /> </rich:column> <h:column> <a4j:commandButton value="Edit" reRender="pnl" action="#{categoryAttributeBean.editCategoryAttributeSetup}"> <a4j:actionparam name="categoryAttributeID" value="#{cat.categoryAttributeID}" assignTo="#{categoryAttributeBean.id}" /> <a4j:actionparam name="state" value="edit" /> <a4j:actionparam name="editId" value="#{cat.categoryAttributeID}" /> </a4j:commandButton> <a4j:commandButton reRender="categoryAttributeList" value="Delete" action="#{categoryAttributeBean.deleteCategoryAttribute}"> <a4j:actionparam name="categoryAttributeID" value="#{cat.categoryAttributeID}" assignTo="#{categoryAttributeBean.id}" /> </a4j:commandButton> </h:column> <f:facet name="footer"> <rich:datascroller id="ds" renderIfSinglePage="false"></rich:datascroller> </f:facet> </rich:dataTable> <rich:panel id="msg"> <h:messages errorStyle="color:red" infoStyle="color:green"></h:messages> </rich:panel> </rich:panel> </h:form> and here is code of my backing bean @EJB private CategoryBeanLocal categoryBean; private CategoryAttribute categoryAttribute = new CategoryAttribute(); private ArrayList<SelectItem> categories = new ArrayList<SelectItem>(); private int id; private int categoryid; // Actions public void newCategoryAttribute() { categoryAttribute.setCategoryID(categoryBean.findCategoryByID(categoryid)); categoryBean.addCategoryAttribute(categoryAttribute); FacesContext.getCurrentInstance().addMessage("newCategoryAttribute", new FacesMessage("CategoryAttribute " + categoryAttribute.getName() + " created.")); this.categoryAttribute = new CategoryAttribute(); } public void editCategoryAttributeSetup() { categoryAttribute = categoryBean.findCategoryAttributeByID(id); } public void editCategoryAttribute() { categoryAttribute.setCategoryID(categoryBean.findCategoryByID(categoryid)); categoryBean.updateCategoryAttribute(categoryAttribute); FacesContext.getCurrentInstance().addMessage("newCategoryAttribute", new FacesMessage("CategoryAttribute " + categoryAttribute.getName() + " edited.")); this.categoryAttribute = new CategoryAttribute(); } public void deleteCategoryAttribute() { categoryAttribute = categoryBean.findCategoryAttributeByID(id); categoryBean.removeCategoryAttribute(categoryAttribute); FacesContext.getCurrentInstance().addMessage("categoryAttributeList", new FacesMessage("CategoryAttribute " + categoryAttribute.getName() + " deleted.")); this.categoryAttribute = new CategoryAttribute(); } // Getters public CategoryAttribute getCategoryAttribute() { return categoryAttribute; } public List<CategoryAttribute> getAllCategoryAttribute() { return categoryBean.findAllCategoryAttributes(); } public ArrayList<SelectItem> getCategories() { categories.clear(); List<Category> allCategory = categoryBean.findAllCategory(); Iterator it = allCategory.iterator(); while (it.hasNext()) { Category cat = (Category) it.next(); SelectItem select = new SelectItem(); select.setLabel(cat.getName()); select.setValue(cat.getCategoryID()); categories.add(select); } return categories; } public int getId() { return id; } public int getCategoryid() { return categoryid; } // Setters public void setCategoryAttribute(CategoryAttribute categoryAttribute) { this.categoryAttribute = categoryAttribute; } public void setId(int id) { this.id = id; } public void setCategoryid(int categoryid) { this.categoryid = categoryid; } and here is filtering bean : @EJB private CategoryBeanLocal categoryBean; private String filterNameValue = ""; private String filterDescriptionValue = ""; private int filterCategoryValue = 0; private ArrayList<SelectItem> categories = new ArrayList<SelectItem>(); public boolean filterNames(Object current) { CategoryAttribute currentName = (CategoryAttribute) current; if (filterNameValue.length() == 0) { return true; } if (currentName.getName().toLowerCase().contains(filterNameValue.toLowerCase())) { return true; } else { System.out.println("name"); return false; } } public boolean filterDescriptions(Object current) { CategoryAttribute currentDescription = (CategoryAttribute) current; if (filterDescriptionValue.length() == 0) { return true; } if (currentDescription.getDescription().toLowerCase().contains(filterDescriptionValue.toLowerCase())) { return true; } else { System.out.println("desc"); return false; } } public boolean filterCategories(Object current) { if (filterCategoryValue == 0) { getCategories(); filterCategoryValue = new Integer(categories.get(0).getValue().toString()); } CategoryAttribute currentCategory = (CategoryAttribute) current; if (currentCategory.getCategoryID().getCategoryID() == filterCategoryValue) { return true; } else { System.out.println(currentCategory.getCategoryID().getCategoryID() + "cate" + filterCategoryValue); return false; } } public ArrayList<SelectItem> getCategories() { categories.clear(); List<Category> allCategory = categoryBean.findAllCategory(); Iterator it = allCategory.iterator(); while (it.hasNext()) { Category cat = (Category) it.next(); SelectItem select = new SelectItem(); select.setLabel(cat.getName()); select.setValue(cat.getCategoryID()); categories.add(select); } return categories; } public String getFilterDescriptionValue() { return filterDescriptionValue; } public String getFilterNameValue() { return filterNameValue; } public int getFilterCategoryValue() { return filterCategoryValue; } public void setFilterDescriptionValue(String filterDescriptionValue) { this.filterDescriptionValue = filterDescriptionValue; } public void setFilterNameValue(String filterNameValue) { this.filterNameValue = filterNameValue; } public void setFilterCategoryValue(int filterCategoryValue) { this.filterCategoryValue = filterCategoryValue; } unfortunetly i can't even imagine what could cause this problem that's why i even made videos to help u understand my problem thanks for help!

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• .net Diagnostics best practices?

  - by mamu

  We initially didn't use any logging or debug tracing but after spending few weeks to trace down some data corruption we decided to put required Debug.Write and Trace for production and Debug.Assert So now question is What is the best practice to use debug and trace logging. I am just looking for some thing generic. public void AddRectodatabase(object record) { Debug.WriteLine(record.ToString()); Trace.WriteLine(record.ToString()); // Add it to databse Debug.Assert(true, "Use this on case by case basis"); } Is this good enough for general purpose, am i doing anything wrong in there? We want to stick with .net System.Diagnostics over other alternatives like log4net. Is there any thing else useful in System.Diagnostics?

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• Disabling FileSystemWatcher for specific updates?

  - by chaiguy

  Does anyone have any ideas how I can reliably disable a FileSystemWatcher object when my application makes changes to the files in the directory, so that I am only watching for external changes to the directory? I've tried setting EnableRaisingEvents to false immediately before performing a write and setting it back to true immediately after, but it seems this method is not reliable, and occasionally I still get the event firing. The only other thing I can think of is to wait a small amount of time after performing the write to let the OS finish up the modification of the directory before re-enabling the FSW, but that seems hackish and I don't like it. To add to the problem, the directory consists of potentially many files, the identities of which are beyond my knowledge and control, so I can't just wait for the event to fire for a specific file and then ignore it. There could be any number of FSW events firing after a single modification (because of the potentially many files getting updated).

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• Error in SPUtility send email

  - by Faiz

  Hi, I am trying to send an email in the button click event in the webpart.However, the email sending is failed and error is logged in both sharepoint logs and event viewer of the machine. The error is : Cannot connect to SMTP host Outgoing email settings in central admin is already configured. Alerts are also working fine. Below is my code: StringDictionary headers = new StringDictionary(); headers.Add("to", "[email protected]"); headers.Add("from", "[email protected]"); headers.Add("subject", "How to use SendEMail from SPUtility"); headers.Add("content-type", "text/html"); string bodyText = "This is the body of my email, in html format."; SPUtility.SendEmail(SPContext.Current.Web, headers, bodyText); Thanks in advance

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• Should non-English member names be changed to English?

  - by M.A. Hanin

  Situation: Automatically generated memebers, such as MenuStrip items, have their (automatically generated) names based on the text entered when the item was created. My most common situation is creating a menu-strip and adding menu-items by entering their text (using the graphical designer). Since my GUI is in Hebrew, all these members have a name which contains a Hebrew string. Something like "(hebrew-text)ToolStripItem". When I create event handlers, the event handlers "inherit" the hebrew text: "(hebrew-text)ToolStripMenuItem_Click". This actually works well, IntelliSense has no problem with Hebrew text, and so does the compiler. The question is: should I change these names (or prevent them from being created in the first place)? What are the possible consequences of keeping those names?

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• problem in saving drag&drop object in database

  - by Mac Taylor

  hey guys i made a script inspired by wordpress widgets'page to drag&drop blocks of my sites but problem is in saving the position after droping this is jquery code , i used to do the above target : <script type="text/javascript" >$(function(){ $('.widget') .each(function(){ $(this).hover(function(){ $(this).find('h4').addClass('collapse'); }, function(){ $(this).find('h4').removeClass('collapse'); }) .find('h4').hover(function(){ $(this).find('.in-widget-title').css('visibility', 'visible'); }, function(){ $(this).find('.in-widget-title').css('visibility', 'hidden'); }) .click(function(){ $(this).siblings('.widget-inside').toggle(); //Save state on change of collapse state of panel updateWidgetData(); }) .end() .find('.in-widget-title').css('visibility', 'hidden'); }); $('.column').sortable({ connectWith: '.column', handle: 'h4', cursor: 'move', placeholder: 'placeholder', forcePlaceholderSize: true, opacity: 0.4, start: function(event, ui){ //Firefox, Safari/Chrome fire click event after drag is complete, fix for that if($.browser.mozilla || $.browser.safari) $(ui.item).find('.widget-inside').toggle(); }, stop: function(event, ui){ ui.item.css({'top':'0','left':'0'}); //Opera fix if(!$.browser.mozilla && !$.browser.safari) updateWidgetData(); } }) .disableSelection(); }); function updateWidgetData(){ var items=[]; $('.column').each(function(){ var columnId=$(this).attr('id'); $('.widget', this).each(function(i){ var collapsed=0; if($(this).find('.widget-inside').css('display')=="none") collapsed=1; //Create Item object for current panel var item={ id: $(this).attr('id'), collapsed: collapsed, order : i, column: columnId }; //Push item object into items array items.push(item); }); }); //Assign items array to sortorder JSON variable var sortorder={ items: items }; //Pass sortorder variable to server using ajax to save state $.post('updatePanels.php', 'data='+$.toJSON(sortorder), function(response){ if(response=="success") $("#console").html('<div class="success">Saved</div>').hide().fadeIn(1000); setTimeout(function(){ $('#console').fadeOut(1000); }, 2000); }); } </script> and a simple php file but problem is its not sending data to target php file is there anything wrong with my code ?

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• jQuery: Preventing list scroll?

  - by Legend

  I have this scenario: Using an ajax query I fetch some data items and push them into a ul element as an li element. I use $("ulele").append(new_li_item). I wrote my own custom scroll for this ul element using the following whenever an event is detected: $("ulele").animate({scrollTop: '+=' + 200}, 'slow'); The problem is when I fire that event and the list scrolls due to the animate function above, I want to keep it stable for at least a few seconds. When it scrolls down, elements are still being pushed so the list keeps scrolling no matter what. Is there a way I can pause this from happening without really stopping the activity of pushing elements into the ul list?

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• AngularJS: download pdf file from the server

  - by Bartosz Bialecki

  I want to download a pdf file from the web server using $http. I use this code which works great, my file only is save as a html file, but when I open it it is opened as pdf but in the browser. I tested it on Chrome 36, Firefox 31 and Opera 23. This is my angularjs code (based on this code): UserService.downloadInvoice(hash).success(function (data, status, headers) { var filename, octetStreamMime = "application/octet-stream", contentType; // Get the headers headers = headers(); if (!filename) { filename = headers["x-filename"] || 'invoice.pdf'; } // Determine the content type from the header or default to "application/octet-stream" contentType = headers["content-type"] || octetStreamMime; if (navigator.msSaveBlob) { var blob = new Blob([data], { type: contentType }); navigator.msSaveBlob(blob, filename); } else { var urlCreator = window.URL || window.webkitURL || window.mozURL || window.msURL; if (urlCreator) { // Try to use a download link var link = document.createElement("a"); if ("download" in link) { // Prepare a blob URL var blob = new Blob([data], { type: contentType }); var url = urlCreator.createObjectURL(blob); $window.saveAs(blob, filename); return; link.setAttribute("href", url); link.setAttribute("download", filename); // Simulate clicking the download link var event = document.createEvent('MouseEvents'); event.initMouseEvent('click', true, true, window, 1, 0, 0, 0, 0, false, false, false, false, 0, null); link.dispatchEvent(event); } else { // Prepare a blob URL // Use application/octet-stream when using window.location to force download var blob = new Blob([data], { type: octetStreamMime }); var url = urlCreator.createObjectURL(blob); $window.location = url; } } } }).error(function (response) { $log.debug(response); }); On my server I use Laravel and this is my response: $headers = array( 'Content-Type' => $contentType, 'Content-Length' => strlen($data), 'Content-Disposition' => $contentDisposition ); return Response::make($data, 200, $headers); where $contentType is application/pdf and $contentDisposition is attachment; filename=" . basename($fileName) . '"' $filename - e.g. 59005-57123123.PDF My response headers: Cache-Control:no-cache Connection:Keep-Alive Content-Disposition:attachment; filename="159005-57123123.PDF" Content-Length:249403 Content-Type:application/pdf Date:Mon, 25 Aug 2014 15:56:43 GMT Keep-Alive:timeout=3, max=1 What am I doing wrong?

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• Attaching javascript events to form widgets

  - by user334017

  I have a form with a drop down menu and I want to do a javascript action whenever the user changes the selection. I imagine it is possible find the input later, using javascript, and attach an event to to it; but it seems like it would be easier if there was some sort of attribute or option that could be defined in form-configure(): e.g. $this->widgetSchema['menu'] = new sfWidgetFormChoice(array( ... 'onclick' => javascript function )); obviously this doesn't work, and it probably wouldn't be an onclick method either, but my question is how do you attach a javascript event to a input/widget?

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