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• Can ggplot2 work with R's canvas backend

  - by Casbon

  Having installed canvas from here http://www.rforge.net/canvas/files/ I try to plot: > canvas('test.js') > qplot(rnorm(100), geom='histogram') stat_bin: binwidth defaulted to range/30. Use 'binwidth = x' to adjust this. Error in grid.Call.graphics("L_setviewport", pvp, TRUE) : Non-finite location and/or size for viewport >

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• remote desktop computer viewer?

  - by Josh

  I would like to install a quad core computer in my dorm at college and use my much slower laptop to be able to control the quad core just as if I had a quad core laptop (control as in i see the gui, not command line control)! Both are on the same college network, though Im also interested in what would be necessary if the computers were on different networks. What would be the best method fot this? Im looking for non-lag communication.

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• Kernel.Select from ruby causing Thread(0x7f1a159abd58): deadlock (fatal)

  - by ElTren

  I don't have multiple threads or anything like that, and I thought select() was non-blocking, however, as I add more items to an array used as the IO object, and using select(), after about 1000~ items in the array (with some interaction on them).. the whole script exits with a deadlock / fatal error... Hope any1 could help Thank you so much!

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• Tutorials about the Silverlight Navigation Application template?

  - by AngryHacker

  Silverlight's Navigation Application template seems promising, however, I can't seem to find any tutorials (particularly video tutorials). Whatever I did find was from the beta and is inconsistent with the released version. Has anyone seen any non-beta tutorials (particularly video)?

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• detect language from string in PHP

  - by user156153

  in PHP, Is there a way to detect if a string is English or non-English string. suppose the string is in utf-8 format?

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• Dynamic sizing of SSRS Report....

  - by Mike

  Hello....I have a report with 12 Tablixes on it. The user can pcik and choose which one of these Tables and their associated data shows when the Report is generated. However, when chosing a subset of the 12 tables, the report shows blank space where I hide the non-selected tablse. Is there any way to make the report resize/fit the size of the selected tables...truncating the white space where the invisible tables are? Thanks

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• Profiling tool for Clojure?

  - by j-g-faustus

  Hi, does anyone know of a good profiling tool or library for Clojure? I would prefer something that could be used from the REPL, along the lines of (with-profiling ...) in Allegro Common Lisp back in the day. Is there anything along those lines? Or do you have any experience with (non-commercial) Java profilers that work well with Clojure?

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• rpxnow - How to promote users to sign in

  - by Harry

  Since adding rpxnow to our website, less users are signing in. Are these readers worried about giving their (eg hotmail) password to a third party site? Has anyone found a good way to promote use of rpxnow (or other openid managers) as a secure method of authentication to non tech savvy readers?

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• SQL Server 2008 - create database script (schema + data) with command-line

  - by dynback.com

  In SSMS when click on database "Tasks - Generate Scripts" I get an output script. How to make the same with non graphical tool?

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• PHP detecting filesystem encoding

  - by Evert

  Hi guys, I need to save files with non-latin filenames on a filesytem, using PHP. I want to make this work cross-platform. How do I know what encoding I can use to write the file? I understand many modern filesystems are UTF-8 based (is this correct?), but I doubt Windows XP is (for instance). So, is there a robust detection mechanism? Evert

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• Good JavaScript engine for animating via Sprite Sheets (not in canvas)

  - by N. Taylor Mullen

  I've looked around a bit for a great JavaScript Sprite Sheet animator lib/engine but couldn't find any good ones so I thought I'd ask around =). What I'm looking for in the engine is: Animate an image in a non-canvas setting (ex: div via css or img tags) Control frame rate/animation speed Flags to loop or to animate once etc. Are there any engines like this out there? If not I can always make my own but then again, I don't want to re-invent the wheel =].

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• Illegal Character in File Name

  - by Sri Kumar

  Hi, During my file upload process, I found illegal character getting saved in Table. zurück.pdf, C _Word.doc were the file names. Here ü, space between C and _Word was found as ? in the Table Column. I have validate the filename in client side by replacing non-alpha numeric values by _ (underscore), but still it escapes and persist into DB. How can these handled in Client side?

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• PHP preg_replace - Very quick question

  - by RC

  Masters of regular expressions, please help! See this string: $string = "http://www.url.com/?fieldA=123&fieldB=456&fieldC=789"; Assuming "fieldB" always has a positive non-decimal numerical value (but not necessarily three digits long), what preg_replace command do I need to remove it completely, such that the string will then read: $string = "http://www.url.com/?fieldA=123&fieldC=789"; Thanks!

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• Facebook Connect in Silverlight

  - by Mike Pateras

  Is there a good way to get Facebook Connect onto a Silverlight page? All I really need is simple authorization/registration. I've looked into the facebook developer toolkit, but the documentation is more or less non-existent for Silverlight, and I didn't really get anywhere with it. Is there a good tutorial or a working library for adding Facebook Connect into a Silverlight app? Or is the best way to run Silverlight in Windowwless mode with HTML overlayed on top?

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• Changing keyboard layout on application focus

  - by Anonymous Coward

  Hi Everyone As everybody knows the en-US Keyboard-layout is the best one for programming. So I'd like to use it in my IDEs. But since I live in a non-en-US country I need the de-CH layout for all other applications. Now I wonder if it is possible to set the layout depending to which application currently has the focus. If that is possible, can a human brain adapt to such a behaviour or is it just confusing? cheers, AC

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• Blackberry (Java) - Setting scrolling be not focused on objects on the screen

  - by paullb

  I have a mainscreen which currently scrolls (and I have the arrows on the right) but the scrolling seems to be focused on the ButtonField objects that I have on the page. Is there any way to set the scrolling to be non-focused scrolling (moving a few pixels each time). Is there a way to set this? Other ideas I have had (which sound hacky so I want to avoid): - Placing NullFields around to scroll - Manually listening to the trackwheelRoll event and moving appropriately

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• Why is the Objective-C Boolean data type defined as a signed char?

  - by EddieCatflap

  Something that has piqued my interest is Objective-C's BOOL type definition. Why is it defined as a signed char (which could cause unexpected behaviour if a value greater than 1 byte in length is assigned to it) rather than as an int, as C does (much less margin for error: a zero value is false, a non-zero value is true)? The only reason I can think of is the Objective-C designers micro-optimising storage because the char will use less memory than the int. Please can someone enlighten me?

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• How Netbeans Editors know that file is not modified after undo?

  - by Ha

  Netbeans uses standart UndoManager API for implementation of undo functionality. But neither standart javax.swing.undo.UndoManager nor org.openide.awt.UndoRedo.Manager doesn't have any method to mark states as saved and check modified status. Nonetheless if you change the file and press undo, the file is marked as unmodified. How do they do that? I need the same functionality for my (non-text) editors if the Netbeans RCP application.

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• question and answer engine architecture

  - by sarvesh

  Can anyone give me insights as to how websites like chacha.com / kgb.com are designed. What could be the components involved when a user sends out an sms and how is that question stored. Should the question and answers be stored in a relational model or non relational?

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• enable and disable broadcast receiver on button click

  - by Akhil

  i want to enable and disable broadcast receiver programatically.. The receiver shouldn't respond until it is programatically turned on.. i did dee some similar questions but non of the answers worked.. please help... i tried this code but didn't work.. PackageManager pm = getApplicationContext().getPackageManager(); ComponentName componentName = new ComponentName("mypackage", ".receivername"); pm.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);

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• Which database invented the "limit" SQL query syntax?

  - by Howard

  MySQL has a nice feature (although non standard) which allow to query resultsets' limit, offset as SELECT * FROM TABLE LIMIT M, N; Is it created by MySQL? or Postgres?

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• Implementing In App purchases in Android?

  - by hgpc

  It looks like Android won't natively support in-app purchases for a while, and when it does there might be a huge user base with devices that don't support them. What's the best way to implement iPhone-like (additional content or services) in-app purchases in Android using the Android Market if possible? The solution should consider in particular: For all kinds of in-app purchases: Android Market's 24-hour cancellation policy For consumables/non-consumables: storage of additional content (ie: use precious application memory to avoid piracy, or use SD card to avoid bloating application memory) Thanks!

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• RichTextBox specific colors per few charicters / lines C#

  - by Xavier

  i have say, richTextBox1, and here is the contents: line one from my textbox is this, and i want this to be normal, arial, 8 point non-bold font line two, i want everything after the | to be bolded... | this is bold line three: everything in brackets i (want) to be the color (Red) line 4 is "this line is going to be /slanted/ or with italics and so on, basically if i know how to do what i mentioned above, ill know everything i need to know to complete my project. code examples would be very very much appricaited! :)

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• XMLEncoder in java for serialization

  - by tom

  Im just wondering how i use xmlencoder to serialize ArrayList where foo is my own made class. Do i have to do anything in particular, ie define my own xml structure first and then call toString on each value in my list and write it out? Can anyone point me to a good tutorial? http://java.sun.com/products/jfc/tsc/articles/persistence4/ Thats what i have been looking at but it doesnt seem to mention what to do with non library classes. Thanks

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• validating html files with latex commands

  - by robezy

  I'm using latex commands in my html code. When I validate the at w3c validator, it is giving me inavlid markup message. Line 105, Column 31: non SGML character number 12 \begin{equation}(x^{2})^{4+(frac{1}{5})}\end{equation} Is there a way to pass validation? Can I ignore this error?

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