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• 'Could not find RubyGem bundler', even though it is…

  - by ashleyw

  I'm running Ruby 1.9.2preview1 (via RVM), and Bundler 0.9.18. If I execute bundle install, it works fine until the point where I don't have the correct permissions to install a gem. However if I execute sudo bundle install, it spits out that it 'Could not find RubyGem bundler'. How can this be, why is the behaviour changing when using sudo? …

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• iPhone UITextField - Change placeholder text color

  - by adam

  I'd like to change the color of the placeholder text I set in my UITextField controls, to make it black. I'd prefer to do this without using normal text as the placeholder and having to override all the methods to imitate the behaviour of a placeholder. I believe if I override this method.. - (void)drawPlaceholderInRect:(CGRect)rect …

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• Silverlight 4 Default Button Service

  - by Mark Cooper

  For a few months I have been successfully using David Justices Default Button example in my SL 3 app. This approach is based on an attached property. After upgrading to SL4, the approach no longer works, and I get a XAML exception: "Unknown parser error: Scanner 2148474880" Has anyone succesfully used this (or any other) default button…

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• WPF touchScreen ListBox control design

  - by pnb

  I need to allow the user to select the item in a listbox on mouse down and when the user drags up or down i need to scroll the items in listbox, since the user interacts with the listbox touch touch screen, i want some thing like the ipod behaviour. User should be able to touch/grab the item and drag it up or down to scroll the listbox.

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• Unable to mute the microphone in Android

  - by J Andy

  Hi, I'm working on an app that uses AudioRecord class to get input data from the phone mic. For some reason I'm unable to mute the mic. I have tried with different AudioSources (DEFAULT, MIC and VOICE_UPLINK) when creating the AudioRecord object, but there's no difference in the muting behaviour. The muting itself, I'm trying to…

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• How do I stop XElement.Save from escaping characters?

  - by Daniel I-S

  I'm populating an XElement with information and writing it to an xml file using the XElement.Save(path) method. At some point, certain characters in the resulting file are being escaped - for example, > becomes &gt;. This behaviour is unacceptable, since I need to store information in the XML that includes the >…

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• Understanding Haskell's fibonacci

  - by AR

  fibs :: [Int] fibs = 0 : 1 : [ a + b | (a, b) <- zip fibs (tail fibs)] This generates the Fibonacci sequence. I understand the behaviour of the guards, of :, zip and tail, but I don't understand <-. What is it doing here?

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• Pointer arithmetic and arrays: what's really legal?

  - by bitcruncher

  Consider the following statements: int *pFarr, *pVarr; int farr[3] = {11,22,33}; int varr[3] = {7,8,9}; pFarr = &(farr[0]); pVarr = varr; At this stage, both pointers are pointing at the start of each respective array address. For *pFarr, we are presently looking at 11 and for *pVarr, 7. Equally, if I…

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• firefox scales images poorly

  - by Jabba

  Hi, I'm using Ubuntu Linux and when I zoom in on a page with "CTRL - +" the images become ugly, i.e. Firefox doesn't scale them correctly. Using Chromium-browser I don't have this issue. I have this problem on several machines with various versions of Firefox (3.5-3.6). Here is an example:…

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• Why is a DataGridView so row-centric.

  - by Spike

  Why is there a DataGridViewRow.Cells property, but not a DataGridViewColumn.Cells property? What's so important about rows that I'll never want to iterate down a column? I'm not saying that it makes it particularly difficult to do or anything, it just strikes me as oddly asymmetrical. I'm…

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• NodeJS and HTTP Client - Are cookies supported?

  - by RadiantHex

  Hi folks, NodeJS is a fantastic tool and blazing fast. I'm wondering if HTTPClient supports cookies and if can be used in order to simulate very basic browser behaviour! Help would be very much appreciated! =) EDIT: Found this: node-httpclient (seems useful!)

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• How do I prevent selection scrolling in the body

  - by Travis

  I have divs that are placed off-screen. I have disabled scrollbars like so: body { overflow: hidden; } Currently, when I highlight text and drag the mouse outside the window, the body still scrolls. How can I prevent this behaviour? (Setting offscreen elements to display: none is not…

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• QWebView problem rendering embedded fonts

  - by user313724

  Hi, I'm trying to render a web page, in QT 4.5, that uses an embedded font. Most of the time this works as expected. Unfortunately, sometimes I get really weird behaviour. The font is rendered - apparently - off-by-one. For instance the text: "By" woukd appear as "Cz" Has anyone run…

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• Why does filter: blur(0) still cause text to blur under Webkit?

  - by johnkavanagh

  I've come across a bug today that's taken far longer than I would like to admit to identify. Essentially: setting a filter: blur(0) (or the vendor-specific -webkit-filter) on an element should - I believe - mean that no form of blur is applied. However, having tested this today, it…

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• how to change a button into a imagebutton in asp.net c#

  - by sweetsecret

  How to change the button into image button... the button in the beginning has "Pick a date" when clicked a calender pops out and the when a date is selected a label at the bottom reading the date comes in and the text on the button changes to disabled... i want to palce a imagebutton…

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• Date prompt in BO

  - by Noob

  I have a webi report that accepts a date input. I need to receive data from the user in the format "dd-Mmm-YYYY"; however the calendar control that BO presents to the user for date selection is always shown in M/DD/YYYY HH:MM:SS AM/PM. Is there any way to control this behaviour?

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• Google Base Query Problems

  - by Craig

  I am querying Google Base using the .NET library pretty much as described on this page. http://code.google.com/apis/base/docs/2.0/developers_guide_dotnet.html When I run the query a GBaseFeed is returned and it will usually have the TotalRecords property set to something like 35,…

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• Disable text selection in QT/WebKit GUI

  - by Adal

  I'm checking if it would be possible to implement a GUI using HTML through PyQT and WebKit. One of the problem is that using the mouse you can select the text making up the interface. Can this behaviour be disabled? Also, the mouse pointer changes to an insertion caret while over…

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• Scroll Wheel in Delphi 7 with CodeRush

  - by GM Mugford

  One casualty of my brief dalliance with Delphi 2010 and subsequent return to using Delphi 7 was my acceptance of the wheel-scrolling behaviour in Delphi 7 with CodeRush installed. The scroll wheel scrolls horizontally in that environment, which I've accepted for all these many…

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• TestNG's groups

  - by the qwerty

  If we have <include name="web" > and <include name="weekend" >, TestNG runs all the methods that belong to either web or weekend. Is it possible to change this behaviour so TestNG would run all the methods that belong to web and weekend? Does anyone knows a way to…

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• Android: How to detect end of scroll

  - by Mix

  Hi! I need to implement HorizontalScrollView which is scrolled to predefined positions (similar to Home behaviour). It works with slow gestures, but does not work with flings. I hooked to View.onScrollChanged() and it is called when scrolling happened, but I can't determine…

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• Does my fat-client application belong in the MVC pattern?

  - by boatingcow

  The web-based application I’m currently working on is growing arms and legs! It’s basically an administration system which helps users to keep track of bookings, user accounts, invoicing etc. It can also be accessed via a couple of different websites using a fairly crude…

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• Redis autocomplete

  - by Alfred

  Hi, How can I implement an autocomplete using redis? Say for example I have an array ["alfred","joel","jeff","addick"]. When I type a I get ["alfred", "addick"] I hope you get the point. How can I implement this using redis commands efficiently(if possible but I think…

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• WebBrowser prevent stealing focus in C#

  - by Maciej

  I'm using webBrowser.Navigate(url) control to display page. I noticed this action steals focus from current control (grid) and than I have problem to focus grid back (tired myGrid.Focus, .Select etc...) This is really annoying behaviour of browser... Does anyone knows…

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• open new window javascript

  - by Midhat

  I have a window.open call in a page, whose window itself is opened by a window.open call. So there are 2 windows already on the screen Now On the next window.open call: IE7 opens a new window Firefox opens a new tab in the topmost parent window Chrome opens a new…

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