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• Finding Windows printer driver name using API

  - by Scott Bussinger

  I can't seem to find an API call that returns the driver name for a Windows printer. Note that I'm not talking about the friendly name of the printer in the printer folder, I'm talking about the name of actual driver being used as shown on the "Advanced" tab when you look at the printer properties: I'm trying to detect when I'm printing to the "Generic / Text Only" driver regardless of what name the user chooses for the printer. It doesn't seem like this should be hard, but I can't find it in the DEVMODE structure or anyplace else I've thought to look for it. Thanks for the help!

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• Emulate back button in multi-view TabActivity

  - by ZelluX

  Hi, all I have a TabActivity with several tabs. Each tab corresponds to a specific view, and those views may further switch to other views. For example, one of my tabs displays RSS feed list, after user clicks one of the RSS feed, it will switch to a view displaying a list of articles, and after user clicks one of the titles, a full article view will be displayed. I'm going to add support for "back" button in my application. For instance, in a full article view, after user presses the "back" button, it should switch back to the article list view. And if user presses it the "back" button again, my application should switch back to the feed list view. My idea is to maintain a Stack<View> during navigation, and every time user presses the "back" button, the program will pop a View out of the stack, and set it as the current view. But I would like to know how to set current view in TabHost. Many thanks.

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• Dynamic Button Layout without hard coding positions

  - by mmc

  I would like to implement a view (it will actually be going into the footer of a UITableView) that implements 1-3 buttons. I would like the layout of these buttons (and the size of the buttons themselves) to change depending on which ones are showing. An example of almost the exact behavior I would want is at the bottom of the Info screen in the Contacts application when you are looking at a specific contact ("Add to Favorites" disappears when it is clicked, and the other buttons expand to take up the available space in a nice animation). As I'm running through the different layout scenarios, I'm hard coding all these values and I just think... "this is NOT the way I'm supposed to be doing this." It even APPEARS that Interface Builder has some features that may do this for me in the ruler tab, but I'll be darned if I can figure out how they work (if they work) on the phone. Does anyone have any suggestions, or a tutorial online that I could look at to point me in the right direction? Thanks much.

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• Is count(*) really expensive ?

  - by Anil Namde

  I have a page where I have 4 tabs displaying 4 different reports based off different tables. I obtain the row count of each table using a select count(*) from <table> query and display number of rows available in each table on the tabs. As a result, each page postback causes 5 count(*) queries to be executed (4 to get counts and 1 for pagination) and 1 query for getting the report content. Now my question is: are count(*) queries really expensive -- should I keep the row counts (at least those that are displayed on the tab) in the view state of page instead of querying multiple times? How expensive are COUNT(*) queries ?

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• List show/add/remove View

  - by Michael

  Looking for some best practices of UI list on iPhone which has item add/modify/delete functions. Please refer to some sample codes or articles to build user friendly interface. The main application is tab bar application and one of the tabs supposed to show item management. The item itself consisting of 3 text items, first one can be label, it's short, the rest if it's not terribly complicated I would like to show below with small font or show when user taps on item entering edit mode... Not sure how to design all this and which views to use.

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• ExtJs combobox dispalyfield with hyperlink

  - by abhishek

  I want combobox displayfield value with hyperlink. The selected combobox value should display with a hyperlink, if I click that selected combobox value then it will open in a new tab. var multiComboMap = Ext.create('Ext.form.field.ComboBox', { fieldLabel: 'Select multiple states', renderTo: 'combo-map', multiSelect: true, //disabled: true, displayField:'locationMap', valueField:'locationId', id:'combo-map', width: 500, labelWidth: 130, emptyText: 'To view map select it', store: Ext.create('Ext.data.Store', //get data for the combobox { fields: [ { name: 'locationId', type: 'int' },{ name: 'locationName', type: 'string' },{ name: 'locationMap', type: 'string' } ], proxy: { type: 'ajax', //url: '../data/users.asp', url: '/AOP_MEETING/venueMaster.json', reader: { type: 'json', root: 'venueMasterc' } }, autoLoad: true }), triggerAction:'all', mode:'local', typeAhead: true, lastQuery:'' }); Thanks in advance.

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• Windows service - supplying arguments in "path to executable"

  - by Jono

  I cannot figure out how to pass (constant) arguments into my Windows service when it is started. I'm using the standard .NET classes like ServiceBase to implement (and ServiceProcessInstaller and ServiceInstaller to install) my service. On the general tab of a Windows Service properties dialog box (once installed), there's a "Path to executable" in which I can see that some of the standard Windows services have command line arguments specified. System.ServiceProcess.ServiceBase.OnStart takes string[] args, which I presume would enable these arguments to be accessed from within .NET code. Are there some properties on ServiceProcessInstaller or ServiceInstaller that I can set to allow me to pass startup arguments to my own service, or does anyone know how it's supposed to be done?

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• Do I really have to call Focus in OnMouseDown of my custom Control?

  - by Thomas

  I'm implementing a custom control that inherits from Control. I want it to be focusable (it's a kind of list box). In the constructor, I do SetStyle(ControlStyles.Selectable, true); I can now use Tab to navigate to the control. However, when the control receives a mouse click, it does not automatically claim focus. I can work around this, of course: protected override void OnMouseDown(MouseEventArgs e) { Focus(); base.OnMouseDown(e); } But this feels like a kludge that should not be necessary. Is this really the way to go? Or is there some way to tell Control to claim focus automatically when it receives a mouse click?

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• In which language the KIS application might have been developed??

  - by Jeba

  Hello all, I just went through this link http://www.pcauthority.com.au/Feature/91093,the-tsar-of-antivirus.aspx and found that it's developed using c/c++ and visual studio with a little assembly language support. As a programmer i just want to know in what programming language the kaspersky internet security User Interface(UI) has been developed? Might be using QT(coz. of c++)? or using MFC(coz. of visual studio)?? With side tab like thing the UI looks good. Expecting the answers from expert analysts.

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• Phantom activity on MySQL

  - by LoveMeSomeCode

  This is probably just my total lack of MySQL expertise, but is it typical to see lots of phantom activity on a MySQL instance via phpMyAdmin? I have a shared hosting plan through Lithium, and when I log in through the phpMyAdmin console and click on the 'Status' tab, it's showing crazy high numbers for queries. Within an hour of activating my account I had 1 million queries. At first I thought this was them setting things up, but the number is climbing constantly, averaging 170/second. I've got a support ticket in with Lithium, but I thought I'd ask here if this were a MySQL/shared host thing, because I had the same thing happen with a shared hosting plan through Joyent.

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• All things equal what is the fastest way to output data to disk in C++?

  - by user260197

  I am running simulation code that is largely bound by CPU speed. I am not interested in pushing data in/out to a user interface, simply saving it to disk as it is computed. What would be the fastest solution that would reduce overhead? iostreams? printf? I have previously read that printf is faster. Will this depend on my code and is it impossible to get an answer without profiling? Edit: Output data needs to be in text format, whether tab or comma separated. This will require formatting, precision, etc. Running in Windows.

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• Can a function defined in a bookmarklet be called from a page-level script?

  - by Soviut

  I have a bookmarklet that needs to open a new window/tab. In order to avoid the popup blocker, I need to call the window.open() method directly in the bookmarklet ie: at the browser-level. However, I want to keep the bookmarklet updatable by loading external Javascript files. To do this, the bookmarklet needs to append script nodes to the DOM. If i were to put window.open() code in one of these externally loaded scripts, the popup blocker would block it since its page-level. What I want to know is if I can create a wrapper function around window.open() in my bookmarklet, then call it from the externally loaded script? What is the scope and what are the permissions on a wrap such as this?

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• Which free HTML/CSS IDE has best readable code formatting ?

  - by jitendra

  Which free HTML/CSS IDE has best readable code formatting for XHTML and CSS ? in one click or from keyboard shortcut? I don't want to give more time to proper indention, tab ec, want to select whole code and give good-looking formatting. I need easliy scanable Code formatting and syntax highlighting. and missing things (if anything is not proper) should show error. I know many online tool to do this but don't want to go everytime to online tool. Edit; I need free Windows tool (portable would be better)

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• Textmate newbie question: how to indent CSS

  - by AP257

  New to TextMate and can't find the answer in the documentation. I've saved an empty file as CSS and the 'active bundle' is showing as CSS, at the bottom of the screen. I've then pasted in a bunch of CSS from elsewhere (a minified page). However, it's all pasted in as a single line. How can I indent it to look like 'proper' CSS, using TextMate? Text + Indent just indents the whole line by a single tab. thanks!

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• Issue with storing items in session in MVC

  - by Sundeep

  I have a customer page on which user can enter multiple locations for customer. I am using telerik ajax grid to display locations, and when a new location is added, I am adding it to session and returning back to the grid. Finally, when user submits, customer and all locations using customerid as reference key gets inserted. I am clearing the session, when user enters create/edit page and on successful commit or any exception occurs. Problem is when user adds the locations for one user and then opens another tab, to create another user then all locations get cleared for previous user. Coz of session, this issue is occuring. Something of viewstate would be page specific. But for ajax grid actions, viewdata/viewbag is not working. Any thoughts on how to implement this. Thanks in advance.

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• How to securely stream video from amazon S3

  - by JP.

  I have couple of copyright videos available on my S3 buckets. I want to stream them on my website, but at the same time. I don't want the users to rip the video from the video player. I tried to google about it but still i am not confident on this, coz i do not know the intricacies of options available like Server Side encryption None/ AES-256 2) A very interesting option is under Metadata tab - It shows couple of keys & Values. How can i use them to secure my video content? 3) Add more meta data and related options?

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• RemoteWebDriver InternetExplorer navigate().to() timeout?

  - by the qwerty

  i was running a test remotely on internet explorer, and when using navigate().to() selenium returns me this: "12:13:58.770 INFO - WebDriver remote server: Exception: The driver reported that the command timed out. There may be several reasons for this. Check that the destinationsite is in IE's 'Trusted Sites' (accessed from Tools-Internet Options in the 'Security' tab) If it is a trusted site, then the request may have taken more thana minute to finish." i've done what's said. but when looking at the browsers the page is loaded, but still this message continues. i've already tried as simon told me: "(16:32:54) simonstewart: ponto: http://code.google.com/p/selenium/wiki/FrequentlyAskedQuestions#Q:_The_does_not_work_well_on_Vista._How_do_I_get_it_to_work_as_e " but did not solve. could it be google analytics that on the background is getting data or something like that? ps: i ran the test on firefox and it works well. i've tried on Windows 7 and Windows XP, and Internet Explorer 7 and Internet Explorer 8.

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• Escaping if/else in Jade template

  - by Collin Estes

  So I have a simply block of html in my jade template with a loop: each dude, i in dudes div(class='someClass') div.otherStuff span.someContent #{name} I want to apply a data attribute to my top most div when a certain looping condition is met, in this case the first dude, I set it up like this each dude, i in dudes if i == 0 div(class='someClass, data-someAttr='first dude') else div(class='someClass') div.otherstuff span.someContent Setup like this it causes the div.otherStuff div and the span.someContent to only display on the else condition. I've moved the tab spaces around on those items but I can't get it escape that else and give the div.otherStuff and span.someContent to both the first dude and the subsequent dudes after that. I've also tried setting that data attr to a variable and trying to apply it that way but without any success. What I end up doing to get around it is this: each dude, i in dudes if i == 0 div(class='someClass, data-someAttr='first dude') div.otherstuff span.someContent else div(class='someClass') div.otherstuff span.someContent How do I escape that if/else so I dont have to duplicate the div.otherStuff and span.someContent?

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• cross-browser Onunload and Onbeforeunload ? (particularly opera 11)

  - by user393087

  I have a form and I must notice user with alert() on exiting page while there are data in the form that had not been send. I've read that opera has a lot of problems with this. Opera 11 that is, because I need take into account only last version. So again, the alert should display on refresh, closing a tab, or closing whole browser. It would be nice to set event directly to the <form> element that would be launched on anything that leads to destroying this element.

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• Application freezes when performing help file search

  - by ralphos

  I have a large C# application and a help file in *.chm format. When I press F1 to display this help file and select "Search" tab, type something and click "List Topics" button, both the help window and the entire application freeze. What's interesting when I simply open the *.chm file in the Windows Explorer, the search functionality works brilliantly. In order to display the help file from my application, I am executing: Help.ShowHelp(this, helpFileName); This method is executed from within the main form of the application on the UI thread.

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• Objective C memory leaking

  - by Jakub Lédl

  Hi everyone, I'm creating one Cocoa application for myself and I found a problem. I have two NSTextFields and they're connected to each other as nextKeyViews. When I run this app with memory leaks detection tool and tab through those 2 textboxes for a while, enter some text etc., I start to leak memory. It shows me that the AppKit library is responsible, the leaked objects are NSCFStrings and the responsible frames are [NSEvent charactersIgnoringModifiers] and [NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]. I know this is quite a brief and incomplete description, but does anyone have any ideas what could be the problem? Also, I don't use GC, so I release my instance variables in the controllers dealloc. What about the outlets? Since IBOutlet is just a mark for Interface Builder and doesn't actually mean anything, should I release them too?

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• Visual Studio project build as an executable AND a DLL

  - by East of Nowhere

  In Visual Studio 2008 project properties, Application tab, I can set the Output type to Windows Application, Console Application, or Class Library. I have a project that I want to build as a stand-alone tool (console app) and be available to a couple other tools I'm working on as a class library. The VS GUI only lets me choose one or the other, and building the proj twice all the time is inconvenient. How can I set it up to build both output types in a single build job? Do I write some custom MSBuild .targets file or what?

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• matplotlib 3D plot with PyQt4 in Qtabwidget (mplwidget)

  - by artdijk

  I am working on my first Python app using PythonXY (2.6 and Qt4). I have a window with some buttons and a QtabWidget. When I press a button I want to plot a 3D image on a specific tab. I managed to get a 2D plot but I can't get the axes to 3D. Via Qt desiger I use the mplwidget. In many examples I see the use of figure(), but I can't get that to work with the mplwidget. (I am not sure if that is even possible) Can you please show me an example of code defining the 3D axes (in a QtabWidget) with a simple plot ? Thanks very much

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• Google Maps API v3.9: Blurry custom markers when zooming

  - by Mike

  So it appears that Google have fixed the blurry map issue with the 3.9 / 3.10 API, which is great. But there's a new one with custom markers. As soon as you zoom in one level, the custom markers become corrupted / blurry. They rectify themselves if zooming out, although the process of zooming out also makes the markers slightly blurry. The 3.8 API does not exhibit this problem with custom markers. Here's a picture illustrating the problem (I suggest you open the image in a new tab; the blurriness isn't as easily visible when the image is scaled to fit this post). The blurring is most noticeable with the straight lines of the paper crane marker: I've had a prod through the HTML, but I can't really tell how the markers are placed on the map. But I thought that I'd put this issue out there for anyone who has experienced similar, or if anyone has any thoughts on how this can be resolved, save waiting to see if it's a glitch in the API.

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• MP4 video plays on localhost but not after publish

  - by teahou

  I made a video using Camtasia Studio 8. I added it to my MVC App and ran it on local host, video plays fine. I publish to my local dev web server (windows server 2008), the video will not play. Gives no error. I have tried on chrome and IE11. On chrome I checked the network tab and it says "Status - Cancelled". Do I need to make some changes on the web server settings? <video width="320" height="240" controls="controls"> <source src="@Url.Content("~/Content/videos/3_Comments_Letters.mp4")" /> </video>

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