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• Document/Scripts management for R code

  - by harshsinghal

  Hi useRs, I am looking for a solution that allows me to keep a track of a multitude of R scripts that I create for various projects and purposes. Some scripts are easily tracked to specific projects, whereas others are "convenience" functions created to serve a set of tasks. Is there a way I can create a central DB and query it to find which scripts match most appropriately? I could create a system using a DBMS manually, but are users aware of anything in general or specific to R, that comes in the form of a software tool (maybe FOSS) ?

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• What happens when I release a upgrade with higher targeted sdk as previous version?

  - by Peterdk

  SoundPool has a serious bug in it in Android 1.5. I fixed it with a workaround, but since it really limits my app, I want to target 1.6+ for the next version of it. I am wondering: What happens when I release a upgrade that has a higher target SDK version then the previous version of my app? Will only 1.6+ users be able to upgrade their app? Or will also the 1.5 users be able to upgrade since they have the program already installed? Anybody experience with this?

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• How do I prevent Window resizing when the Workstation is Locked then Unlocked?

  - by Terry

  We have an application that is run in multi-monitor environments. Users normally have the application dialog spread out to span multiple mointors. If the user locks the workstation, and then unlocks it, our application is told to resize. Our users find this behavior frustrating, as they then spend some time restoring the previous layout. We're not yet sure whether it is the graphics driver requesting the resize or Windows. Hopefully through this question, it will become clearer which component is responsible, Popular applications like (File) Explorer and Firefox behave the same way in this setup. To replicate just: open Explorer (Win+E) drag the Explorer window to being horizontally larger than 1 screen lock workstation (Win+L), unlock the application should now resize to being solely on 1 screen How do I prevent Window resizing when the Workstation is Locked then Unlocked? Will we need to code in checks for (un)locking? Is there another mechanism we're not aware of?

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• How do I transfer configuration data into injected objects?

  - by louis

  I used to use Spring.Net and want to switch to Ninject 1.5 (I have to use .NET2, since some unlucky guy like me still needs to consider users working with win 2k). I used to have everything done in xml and only invoke the container during startup. In this way, only very limited codes are depending on container. I have scenarios like this and I wonder how to do the same in Ninject. I have external config file, which are the items the end users can change basing on their environment/preferences. And some of my objects depends on those values to initialize. Mostly they are primary values, but some times can be list/dictionaries/etc.

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• Is a full list returned first and then filtered when using linq to sql to filter data from a databas

  - by RJ

  This is probably a very simple question that I am working through in an MVC project. Here's an example of what I am talking about. I have an rdml file linked to a database with a table called Users that has 500,000 rows. But I only want to find the Users who were entered on 5/7/2010. So let's say I do this in my UserRepository: from u in db.GetUsers() where u.CreatedDate = "5/7/2010" select u (doing this from memory so don't kill me if my syntax is a little off, it's the concept I am looking for) Does this statement first return all 500,000 rows and then filter it or does it only bring back the filtered list?

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• use of views for validation of an incorrect login-id or an unidentified user

  - by sqlchild

  I read this on msdn: Views let different users to see data in different ways, even when they are using the same data at the same time. This is especially useful when users who have many different interests and skill levels share the same database. For example, a view can be created that retrieves only the data for the customers with whom an account manager deals. The view can determine which data to retrieve based on the login ID of the account manager who uses the view. My question: For the above example , i would have to have a column named Userid/LoginId on my table on which the view is created so that i can apply a check option in the view for this column. and then if a user with a name not in that column tries to enter data , then he/she is blocked.

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• How to bundle C code in C shell script?

  - by eSKay

  I have a C shell script that calls two C programs - one after the another with some file handling before, in-between and afterwards. Now, as such I have three different files - one C shell script and 2 .c files. I need to give this script to other users. The problem is that I have to distribute three files - which the users must keep in the same folder and then execute the script. Is there some better way to do this? [I know I can make one C code file out of those two... but I will still be left with a shell script and a C code. Actually, the two C codes do entirely different things... so I want them to be separate]

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• Best practices: displaying text that was input via multi-line text box

  - by chris

  I have a multi-line text box. When users simply type away, the text box wraps the text, and it's saved as a single line. It's also possible that users may enter line breaks, for example when entering a "bulleted" lists like: Here are some suggestions: - fix this - remove that - and another thing Now, the problem occurs when I try to display the value of this field. In order to preserve the formatting, I currently wrap the presentation in <pre> - this works to preserve user-supplied breaks, but when there's a lot of text saved as a single line, it displays the whole text block as single line, resulting in horizontal scrolling being needed to see everything. Is there a graceful way to handle both of these cases?

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• How to bundle C/C++ code with C-shell-script?

  - by eSKay

  I have a C shell script that calls two C programs - one after the another with some file handling before, in-between and afterwards. Now, as such I have three different files - one C shell script and 2 .c files. I need to give this script to other users. The problem is that I have to distribute three files - which the users must keep in the same folder and then execute the script. Is there some better way to do this? [I know I can make one C code file out of those two... but I will still be left with a shell script and a C code. Actually, the two C codes do entirely different things... so I want them to be separate]

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• How do I know if my PHP application is using too much memory?

  - by John

  I'm working on a PHP web application that let's users network with each other, book events, message etc... I launched it a few months ago and at the moment, there's only about 100 users. I set up the application on a VPS with ubuntu 9.10, apache 2, mysql 5 and php 5. I had 360 Mb of RAM, but upgraded to 720 MB a few minutes ago. Lately, my web application has been experiencing outages due to excessive memory usage. From what I can tell in error logs, it seems the server automatically kills apache processes that consume too much memory. As a result, I upgraded memory from 360 MB to 720 MB as a stop-gap measure. So my question is, how do I go about resolving these outage issues? How do I know if my website's need for more memory is due to poor code or if it's part of the website's natural growth? What's the most efficient way to determine which PHP scripts consume the most memory?

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• Can log4net appenders be defined in their own XML files?

  - by ladenedge

  I want to define a handful of (ADO.NET) appenders in my library, but allow users of my library to configure the use of those appenders. Something like this seems to be what I want: XmlConfigurator.Configure(appenderStream1); XmlConfigurator.Configure(appenderStream2); XmlConfigurator.Configure(); But that doesn't seem work, in spite of the debug output containing messages like this: Configuration update mode [Merge]. What is the right way to do this? Or, is there an alternative to asking users to duplicate large chunks of XML configuration?

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• Rails always include (join) on initialize

  - by Seth

  Hello, I have a User model as illustrated below: class User < ActiveRecord belongs_to :college belongs_to :class_level end I want to ALWAYS join with those other two tables returning one simplified User object. How do I accomplish this in my User model. I'm aware that I can do this in another model: class Foo < ActiveRecord has_many :users, :include => [:college, :class_level] end But I want to do this in my User model, so Foo.users will either be eager loaded OR be joined already. Is there a way to create an initialize this in the User model?

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• Sorting 2 arrays that have been added together

  - by tyler

  In my app, users can create galleries that their work may or may not be in. Users have and belong to many Galleries, and each gallery has a 'creator' that is designated by the gallery's user_id field. So to get the 5 latest galleries a user is in, I can do something like: included_in = @user.galleries.order('created_at DESC').uniq.first(5) # SELECT DISTINCT "galleries".* FROM "galleries" INNER JOIN "galleries_users" ON "galleries"."id" = "galleries_users"."gallery_id" WHERE "galleries_users"."user_id" = 10 ORDER BY created_at DESC LIMIT 5 and to get the 5 latest galleries they've created, I can do: created = Gallery.where(user_id: id).order('created_at DESC').uniq.first(5) # SELECT DISTINCT "galleries".* FROM "galleries" WHERE "galleries"."user_id" = 10 ORDER BY created_at DESC LIMIT 5 I want to display these two together, so that it's the 5 latest galleries that they've created OR they're in. Something like the equivalent of: (included_in + created).order('created_at DESC').uniq.first(5) Does anyone know how to construct an efficient query or post-query loop that does this?

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• How to use SSRS to retrieve HTML snippets with embedded images the easy way

  - by Ram

  I have a web-app that retrieves reports from our SSRS server dynamically - we hit a URL and out pops some HTML4.0 which I stuff into a div for the user to view. I recently tried adding a report that has an embedded image (in the RDL itself) and the image doesn't make it through. What does make it through is an IMG SRC reference back to the SSRS box but we do not allow end users to hit the SSRS box directly... users query the web-app and the web-app interacts with the SSRS service. There is an option to render in MHTML (note that we typically use rs:command=RenderHTML with rs:format=HTML4.0) - the blob returned appears to be valid MIME but does not seem friendly for stuffing into a DIV... am I missing something obvious? My next step is to parse the MIME, swizzle the references and stuff the whole thing back into the page but I feel like this is the hardway. What is the easy way to retrieve HTML snippet reports out of SSRS with embedded images?

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• MS Access caching of reports / query results

  - by FrustratedWithFormsDesigner

  Is it possible to cache a query or report the first time it is run? It seems that opening a report will re-query the datasource. For certain queries, the data source does not change frequently enough that I'd be worried about a cache being out of date (users are notified when the database changes), and it would be much easier for the users to be able to open the report instantly rather than having to wait several minutes every time they want to see the data (though I realize if they close the file the caches will be lost - that's OK). Data comes from an ODBC connection to Oracle, using Access 2003.

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• Batch to copy and replace a txt file from one server to another

  - by Sunny

  I have two servers, server1 and server2 on same network but require username and password to be mapped. server1 has a text file as C:\Users\output.txt. I want to create and schedule a batch script on server1, which should copy and replace output.txt file from server1 to server2 at path E:\data\output.txt on daily basis. I don't want to map server2 manually every time I start my computer nor do I want to enter my username and password each time. I am using following commands in a batch, but not working; net use C: \\server2\E:\data server2password /user:server2domain\server2username /savecred /p:yes xcopy C:\Users\output.txt E:\data\

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• Facebook Open Graph - Grab how many times a page has been liked?

  - by DoMx

  I have a site that allows users to create a saying and then users "like" those sayings on Facebook. http://www.likeylikey.net/ I got a friend to throw up this simple code in less than 2 hours so it's basic. He knows little to nothing regarding the Open Graph API. Basically, I want to know how I can programmatically store how many times a page has been liked so I can list a "Top 10, most liked pages" list. Right now the index shows a list of all created pages and now I just wish to show the 10 most liked but I need a way of pulling that information from Facebook. Is this possible?

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• using exchange server account

  - by Jack

  I m developing ASP.Net project in company. Every user has an unique exchange account. Im trying to authenticate the user based on teh user's Exchange credentials for web project. I want to use exchange server account for each user. I just dont want to add users to database, because they already have userid and password in exchange server. For example; User id: user_email pass: users email password How can I use this data in my c#.net project? Thanks.

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• Using Wordpress as a CMS to a site AND blog (two completely different layouts for each). Duplicate i

  - by Somebody still uses you MS-DOS

  I'm going to create a website using Wordpress static pages feature. It's going to have a menu for all the created pages. A blog is going to be created as well. This blog has a completely different layout/menu from the main site, but within the same domain: "http://www.domain.com" is the website url, and "http://www.domain.com/blog/" is the blog url. I was thinking of installing two different Wordpress instances: /var/www/public_html/ and /var/www/public_html/blog/. Although it's a simple solution, users are going to be duplicated: if you change password in one system, you need to change in the other. So, I would like to know from you which other approaches are possible: create a "dynamic" theme (call a theme when in root domain, another whern /blog - dont even know if this is possible), or for example a plugin to syncronize users from both instances? Does Wordpress MU solve this problem for me? Thanks!

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• Weird behaviour with optparse and bash tab completion

  - by PulpFiction

  Hi I am building a script for users new to Linux, so please understand why I am asking this :) My script runs like this: python script.py -f filename.txt I am using the optparse module for this. However, I noticed the following when doing tab completion. The tab completion works when I do: python script.py <tab completion> # Tab completion works normally as expected But it does not work when I do it like this: python script.py -f <tab completion> # No type of tab completion works here. I really don't want my users typing the name of the input file. Tab completion is a must. How can I get it working or what am I doing wrong here?

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• integrating facebook auth into my web form app

  - by user169692

  Hi, I would like to allow my users to authorise my app with their fb on registration. All of the examples i see redirect users to the fb canvas page after authorisation, but i only want this to be a step in the registration process. Essentially, i want an icon they can click that would open up a new window where they can login to fb and a simple postback to the registration page where i would detect the login and hide the login button. Any ideas on how I can achieve this using the facebook c# sdk? Thanks and Merry Christmas :)

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• How would you measure conversion for an iPhone App Download?

  - by Eran Kampf

  I want to test how users convert from my web page to downloading my iPhone app. Right now the best funnel I figured out was to go through a page that pings Google Analytics and then redirects to an iTunes link. But this funnel only measures conversion for users who got redirected to iTunes and not if they actually downloaded the app once they saw it in iTunes. Anyone knows of a way to measure conversion to the actual download? (I know this is not a coding question but still a problem a app developers would encounter trying to market their app)

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• jQuery: What listener do I use to check for browser auto filling the password input field?

  - by Jannis

  Hi, I have a simple problem that I cannot seem to find a solution to. Basically on this website here: http://dev.supply.net.nz/vendorapp/ (currently in development) I have some fancy label animations sliding things in and out on focus & blur. However once the user has logged in once the browser will most likely remember the password associated with the users email address/login. (Which is good and should not be disabled.) However I run into issues triggering my label slide out animation when the browser sets the value on the #password field automatically as the event for this is neither focus nor blur. Does anyone know which listener to use to run my function when the browser 'auto fills' the users password? Here is a quick screenshot of the issue:

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• How to give 'Everybody' full rights to a file (programmatically)

  - by egrunin

  I'm modifying an old C++ program to run on Vista. It does not require Admin privileges. I've changed the code to put logfiles in \ProgramData\MyApp\. These logfiles are written with the stdio functions (fopen, fprintf, fclose). Here's the problem: UserA runs the program first, it creates \ProgramData\MyApp\MyLogFile.txt UserB runs the program next, it tries to append to MyLogFile.txt and gets access denied. I tried creating a null SECURITY_DESCRIPTOR and passing that to CreateFile(). That does create a file with "no permissions assigned", but it seems as if the first user to write to the file takes ownership and afterwards all the other non-admin users are out of luck. It's important that all users share the same logfiles, but it's also important that I change as little code as possible.

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• SQL Server column level security

  - by user46372

  I think I need some pointers on security in SQL Server. I'm trying to restrict some of our end users from getting access to certain columns (i.e. SSN) on a table. I thought I could just use column level security to restrict access to the columns. That successfully prevented users from accessing the table directly, but I was surprised that they could still get to those columns through a view that accessed that table. I followed the tips here: http://www.mssqltips.com/sqlservertip/2124/filtering-sql-server-columns-using-column-level-permissions/ Those were very helpful, but when I created a view at the end, the intern was able to access that column by default I've read that views are the best way to accomplish this, but I really don't want to go through and change all of the views and the legacy front-end application. I would rather just restrict it once on the table and if a view tries to access that column it would just fail. Is that possible or am I misunderstanding how security works in SQL Server?

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