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• Using colon syntax and variables in Sass

  - by corroded

  I am still using the old colon syntax (I prefer it more than the bracket syntax) and this particular code: a.button-link +box($main-color) +border-radius(5px) :background :color $main-color :color #fff :padding 5px generates a warning like so: DEPRECATION WARNING: On line 12, character 3 of '/Users/eumir/rails_apps/dxconnect/app/ stylesheets/partials/utilities/_link-styles.sass' Setting properties with = has been deprecated and will be removed in version 3.2. Use "background: $main-color" instead. I tried that but my background color still doesn't show up. Any help on this please? Thanks!

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• jQuery UL sortable list, CSS how to align column style data

  - by Brett

  Hi, I'm using jQuery UI, sortable on an ul element. All good, except over time the data in my li elements has become table like, in the sense there are multiple columns of data. They aren't aligning correctly because this seems to be hard to do in ul, and indeed not what ul's are designed for. I have 2 choices the way I see Work out some really cool css to make my ul / li format nicely Work out how to convert this to a sortable table With option 2., looking at a few plugins that exist (tablednd for example), they seem very old. I don't believe the jQuery UI Anyone got any recommendations as far as a direction I should head?

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• C# dealing with invalid user input

  - by Zka

  Have a simple console app where user is asked for several values to input. Input is read via console.readline(). Ex Name: Fred //string Lastname: Ashcloud //string Age: 28 //int I would like to make sure that int and double types are entered and if the user enters garbage, lets him repeat the procedure. Example, if the user enters "28 years old" where age expects int the app will crash. What is the best way to check for these inputs? Right now I can only think of: while (!Int32.TryParse(text, out number)) { Console.WriteLine("Error write only numbers"); text = Console.ReadLine(); } Is there any other way to do this? try catch statements if one wants to give a more detailed feedback to the user? How in that case?

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• Extracting a Rails application into a plugin or engine

  - by Globalkeith

  I have a Rails 2.3 application which I would like to extract into a plugin, or engine. The application has user authentication, and basic cms capabilities supported by ancestry plugin. I want to extract the logic for the application into a plugin/engine so that I can use this code for future projects, with a different "skin" or "theme" if required. I'm not entirely sure I actually understand the difference between plugin and engine concepts, so that would be a good first point. What is the best approach, are there any good starting points, links, explanations, examples that I should follow. Also, with the release of R3 to consider, is there anything that I should be aware of for that, with regards to plugins etc. I am going to start off by watching Ryan's http://railscasts.com/episodes/149-rails-engines but obviously thats over a year old now, so one of the challenges I'm faced with is finding the most up to date and relevant information on this subject. All tips and help gratefully received.

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• Where can I find up-to-date information / walkthroughs on VS 2010 deployment?

  - by Kohan

  I am looking for information on deploying my web app to our test server. Having heard Hanselman say this is something you can do within VS 2010 easily I set out too find information on exactly how to do this but can not seem to find anything. Ignoring the fact that most of the blog posts / articles are over a year old, there just seems to be no clear step by step information on how to do this. Has anyone found the light? where did you learn this information? Best resources i have found so far:- http://blogs.msdn.com/b/webdevtools/archive/2009/02/04/web-deployment-with-vs-2010-and-iis.aspx http://blogs.msdn.com/b/webdevtools/archive/2009/03/10/how-does-web-deployment-with-vs10-and-msdeploy-work.aspx Many thanks, Kohan

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• Is reverse engineering evil?

  - by Amir Arad

  Lately I've been pondering on how a specific beloved old game actually works. I had some mild progress, but then a friend pointed out that if I really loved the game and appreciate it, I wouldn't try to reverse-engineer it. Note that the game is long considered an abandonware and is offerd for download publicly in lawful game sites, and I have no commercial / other large scale intentions - just to learn and "mess around" with it. Did I miss something? Is there an ethical taboo regarding reverse-engeneering? Alternatively, is there a legal issue?

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• ASP.Net Checkbox Doesn't Allow Setting Visible to True

  - by Shawn Steward

  I'm working on an old web application in Visual Studio .Net 2003 (yeeich) and I'm having an issue with a Checkbox that will not set the Visibility to True. It's declared as such: Protected WithEvents chkTraining As System.Web.UI.WebControls.CheckBox and <asp:CheckBox id="chkTraining" runat="server" Visible="False"></asp:CheckBox> When I am debugging through the line that has: chkTraining.Visible = True it goes past it fine, but as I check this value on the very next line, chkTraining.Visible = False. What could possibly be going on here? There's no events firing off or anything else going on... this really is throwing me for a loop. Thanks for your help.

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• My page was attacked via xss, but on ftp all files are not changed?

  - by Dobiatowski

  Hi, yesterday i noticed that sometimes on my webpage shows up javascript errors. when i went to source code, i found that one of .js files was totaly replaced with a ton of porn links. i checked the ftp for this file, but there was just old javascript file without any changes. yet i go back to check source code via browser and indeed there was again original .js today i visited my webpage again and the problem repeated. first visit showed me ton of porn pages cached .js file was hacked but after clearing browser cache js go back to oryginal i checked all files on my ftp against my offilne version, but all files are without any change. in last few years i was attacked by xss few times but in every case it was easy to diagnose and fix. but now i spend 12h and didnt find infection. do you have any idea how to find it? the webpage is: http://robert.frk.pl

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• Any open source hosting site for abandoned projects?

  - by ssg

  I have some projects which I have ceased their development a long time ago but still get code access requests for. I'm currently providing zipped packages from my personal web site. I think zipped packages are far from being useful (e.g. can't read code right away, can't provide url's to individual source files, can't fork easily, lifetime is dependent on my own web page's). I want that archaic code to be present on the net regardless I keep my web page up or not. I saw the question "What's the best open source hosting site?". However, most sites request the project "to be active", Codeplex for instance. I didn't go through EULA's of all providers to see if they allow abandoned projects. Are there elephant's graveyards for old code without activity restrictions? Which one would you pick, why?

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• How to detect VC++ 2008 redistributable?

  - by RobH

  Is there a Registry setting that I can look for to determine whether or not the Visual C++ redistributable is installed, whether standalone or as part of Visual Studio 2008? I know that I could launch the VC++ 2008 redistributable installer and let it handle the detection, but it would look cleaner if I can check for it and not bother launching the installer if the redistributable is already on the system. It's no biggie if there is no setting to search for, as this is just for the preliminary installers that we have for the new version of our software. We won't need it for the new Windows Installer-based installers that we are working on that will replace the old tech ones and will use the merge modules.

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• Implement a WebDAV server in C#?

  - by HaukurHaf

  We've got a CMS system written in .NET C#. This system has editing facilities for templates (essentially HTML files) and various other support files such as CSS and javascript files. These "files" are not really files, but database records and they are edited using plain old textareas within the CMS system. To make editing these "files" easier, on idea was to implement WebDAV support in the CMS system for these files, so users could use some WebDAV client software to connect to the CMS and then open these in VS 2008 for example. Firstly, is this a feasible idea? Secondly, if so ... where do start? Any good articles out there about implementing a WebDAV server in C# to provide access to either physical documents or "pseudo" documents which are in reality just records in a database? Any input appreciated ....

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• XCode 4.3 : XIB files and localisation

  - by Fabrice MAUPIN

  I have a problem with XIB Files and localizations (Xcode 4.3, Mac Os X 10.7.4) My application supports french and english localizations. For my test, i decided to change the languages and regions from "french" to "english" in system preferences. When i launch my application, it displays always old XIB files (french) et not the XIB files "attached" to my new localization ! ** I followed all the recommendations which i was able to find : i cleared all caches, clean up the project, ... and so on ! The problem is always here and persists. Can be that XCode4 has the other files to delete somewhere else ? is it possible to use another means to test my new localization ? If you are a idea, ... Thanks in advance. FM.

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• Why is there so much poorly indented code out there?

  - by dsimcha

  The more I browse the code to open source projects in languages that aren't Python, the more I realize that it seems a lot of programmers don't believe in proper indentation. (I won't mention any projects specifically to avoid having anyone take this question too personally.) Usually code is indented, but in a way just different enough from the standard style that it drives me crazy, especially in old/crufty code. I've noticed that when I write in C-like languages, I tend to indent correctly as religiously as when I'm writing in Python, with the exception of debugging code that I actually want to stick out like a sore thumb. Given how easy it is with a modern IDE to fix incorrect indentation, what are some rationales for not religiously keeping indentation in sync with braces?

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• Win7: Right place to install a program that may be 'shared' with other computers

  - by robsoft

  We have an app that currently installs itself into 'program files\our app', and it puts the internal data files into the common Application Data folder. This means the program is available to any user on that particular PC. Now we want to make a multi-user version of this program, multiple PCs accessing the program at the same time across the network. In the bad old days, under XP, we'd just have the user who installed the app 'share' the app directory and off we'd go. In principle, is this still the 'right' way to do it under Vista/Windows 7? We'd like to do this 'properly' and be as compliant as possible! Is there a recommended 'Microsoft' approach for doing this, or is it largely down to whatever we can get away with and subsequently support (hah!). I've tried researching this on the MS websites but not found anything too helpful at all - it'd be really useful to have a 'if you're trying to install this kind of thing, put it here' type guide for developers!

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• In Ruby Compare 2 lines in a log file which BOTH contain the SAME "WORD" but ONLY print out the line

  - by kamal

  here are sample lines Apr 9 11:53:26 skip [2244]: [2244] ab-cd-ef:cc [INFO] A recoverable error has occurred some other log lines .. .... Apr 9 12:53:26 skip [2244]: [2244] ab-cd-ef:cc [INFO] A recoverable error has occurred now the LATEST line would have to be one with the latest Date String, and THAT is the one that needs to be printed, plus the NEXT time the parser runs on the log file, somehow the previous LATEST line has to be compared with the Existing latest one, and it CAN e the case, that NOTHING Changed and the OLD line is STILL the latest one, OR there is a NEW line, but ONLY the NEW log line should be printed and NOT if there is NO NEW log Entry.

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• "Cannot load ViewState" after dynamic control changed

  - by Emil D

  In my ASP.NET page I have to dynamically choose and load a custom control, depending on the selected value in a dropdownlist.However I encountered the following problem: When the parameters of the dynamically loaded control are changed, and then the selection in the dropdownlist is changed( thus forcing me to load a different dynamic control the next time the page reloads ), I end up with a "Cannot load ViewState" exception.I assume that this happens because the ViewState is trying to restore the parameters of the old control and it doesn't find it. So , is there any way to stop the viewstate from attempting to restore the state of the non-existig control?

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• Insert into a generic dictionary with possibility of duplicate keys?

  - by Chris Clark

  Is there any reason to favor one of these approaches over the other when inserting into a generic dictionary with the possibility of a key conflict? I'm building an in-memory version of a static collection so in the case of a conflict it doesn't matter whether the old or new value is used. If Not mySettings.ContainsKey(key) Then mySettings.Add(key, Value) End If Versus mySettings(key) = Value And then of course there is this, which is obviously not the right approach: Try mySettings.Add(key, Value) Catch End Try Clearly the big difference here is that the first and second approaches actually do different things, but in my case it doesn't matter. It seems that the second approach is cleaner, but I'm curious if any of you .net gurus have any deeper insight. Thanks!

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• ASP.Net Roles: Page-Level Security Question

  - by jlrolin

  We're currently in the process of re-creating a brand new security model that dwarfs our existing process. Right now, we plan on grabbing a user's roles during the login process and then using a Base Page class to check if the user has the role of the corresponding page the user is navigating to. We can limit the menu's options by the user's roles as well, but we have had problems with users navigating to pages in our system by typing them in or having old bookmarks. Obviously, we need some sort of page level access. A simple function in our Base Page class that checks the role in the Arraylist against the page's assigned role would work, but I was wondering if there was any built-in functionality to support this or a cleaner solution possibly.

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• Classic ASP and MVC side-by-side, different projects?

  - by David Lively

  I've tried asking this in a few different ways, but let's give it another shot (as I've yet to receive an answer and this is driving me nuts!) I have a very large classic ASP 3.0 application (~350K lines) that I want to start migrating to ASP.NET MVC. I'd like to keep the old ASP files in a separate project from the MVC stuff. Ideas on how to debug these? Should I just dump the files in the same folder and create two different projects ( a WAP and an MVC app) that reference the relevant files and folders required by each? This should work, but does anyone have a better idea? I need the ability to migrate small parts of the application individually as this will probably take a year or two to complete.

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• Using XTemplate with SimpleStore in Ext

  - by qui

  I am currently adding some functionality to some old code. There used to be a template which took a flat array of items and spat out some HTML, now the data is coming from a simple store which reads some JSON.. var allwords = [ ['abacteriano', 'abacteriano'], ['abacterial', 'abacteriano'], ['abciximab', 'abciximab'], etc.. So my simplestore goes like this: termStore = new Ext.data.SimpleStore({ fields: ['term', 'lookup'], data: allwords }); This definitly works fine as I use the termStore in a combobox. However I am having difficulty getting it to play with an XTemplate. It seems the syntax in extjs doesn't play well with SO, so this bit wont be in a code block... So I guess I'll describe it :p Essentially its a simple template which tries to get values out of the passed collection by doing {term} I then try and apply it by doing: tpl.overwrite(Ext.get("contentbox"), termStore); This gives me a JS error of "invalid object initializer"

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• Good XMPP Java Libraries for server side?

  - by Taylor Gautier

  I was hoping to implement a simple XMPP server in Java. What I need is a library which can parse and understand xmpp requests from a client. I have looked at Smack (mentioned below) and JSO. Smack appears to be client only so while it might help parsing packets it doesn't know how to respond to clients. Is JSO maintained it looks very old. The only promising avenue is to pull apart Openfire which is an entire commercial (OSS) XMPP server. I was just hoping for a few lines of code on top of Netty or Mina, so I could get started processing some messages off the wire.

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• WPF - Correct Syntax for Using Coverter with Current Binding

  - by Andy T

  Hi, I have a collection of hex strings that represent colours and I am binding a combobox's ItemsSource to that collection. The combobox items are templated to have a filled rectangle with the relevant colour. I therefore need to use a converter to convert the hex value to a string. Easy enough. However, Blend is telling me that this syntax is incorrect in my XAML: Fill="{Binding, Converter={StaticResource StringToBrush}}" Apparently, I can't use a converter against plain old 'Binding'. Blend says that something like this is syntactically correct: Fill="{Binding Value, Converter={StaticResource StringToBrush}}" ...However that obviously doesn't work. I'm not quite au fait with binding syntax yet, so obviously I'm getting it wrong. Can anyone advise the correct syntax to achieve what I'm trying to do (convert my bound String using the coverter StringToBrush)? Thanks in advance! AT

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• MySQL PHP incompatibility.

  - by Evernoob

  Ok maybe I've overlooked something really simple here, but I can't seem to figure this out. I'm running WAMP locally, but connecting to a remote MySQL database. The local version of PHP is the latest 5.3.0. One of the remote databases, being version 5.0.45 works fine. However, the other remote database I'm trying to connect to, which is version 5.0.22 throws the following error before dying: Warning: mysql_connect() [function.mysql-connect]: OK packet 6 bytes shorter than expected. PID=5880 in ... Warning: mysql_connect() [function.mysql-connect]: mysqlnd cannot connect to MySQL 4.1+ using old authentication in ... WTF? UPDATE: Reverting to PHP 5.2.* i.e. anything lower than 5.3.0 resolves the problem completely. As long as I am not running 5.3.0 I can connect to both databases. I'm not sure what the explanation is for this weirdness.

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• Migrating from Physical SQL (SQL2000) To VMWare machine (SQL2008) - Transferring Large DB

  - by alex

  We're in the middle of migrating from a windows & SQL 2000 box to a Virtualised Win & SQL 2k8 box The VMWare box is on a different site, with better hardware, connectivity etc... The old(current) physical machine is still in constant use - I've taken a backup of the DB on this machine, which is 21GB Transfering this to our virtual machine took around 7+ hours - which isn't ideal when we do the "actual" switchover. My question is - How should I handle the migration better? Could i set up our current machine to do log shipping to the VM machine to keep up to date? then, schedule down time out of hours to do the switch over? Is there a better way?

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• Insert query results into table in ms access 2010

  - by CodeMed

  I need to transform data from one schema into another in an MS Access database. This involves writing queries to select data from the old schema and then inserting the results of the queries into tables in the new schema. The below is an example of what I am trying to do. The SELECT component of the below works fine, but the INSERT component does not work. Can someone show me how to fix the below so that it effectively inserts the results of the SELECT statement into the destination table? INSERT INTO CompaniesTable (CompanyName) VALUES ( SELECT DISTINCT IIF(a.FIRM_NAME IS NULL, b.SUBACCOUNT_COMPANY_NAME, a.FIRM_NAME) AS CompanyName FROM (SELECT ContactID, FIRM_NAME, SUBACCOUNT_COMPANY_NAME FROM qrySummaryData) AS a LEFT JOIN (SELECT ContactID, FIRM_NAME, SUBACCOUNT_COMPANY_NAME FROM qrySummaryData) AS b ON a.ContactID = b.ContactID ); The definition of the target table (CompaniesTable) is: CompanyID Autonumber CompanyName Text Description Text WebSite Text Email Text TypeNumber Number

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