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  • How to store multiple requirements with OR and AND?

    - by Cano
    Well I'm working on a personal project that needs to check if a user has met certain requirements, and they come in a form of Requirement: [c1 OR c2] AND [d1 OR d2] Requirement: [c1 AND c2] OR [d1 AND d2] Requirement: c1 AND any dn(n can be any integer) I'm just not sure how to store these sorts of requirements, I'm thinking of using another object to hold c1,c2,d1,d2....dn and OR, but that seems like a roundabout way of doing things. Is there a better method?

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  • What amount of PHP memory usage is reasonable for multiple WordPress sites? [closed]

    - by John
    It seems like I've been plagued with memory usage issues most of the time I've been blogging (7 years). I upgraded my hosting to a HostGator VPS and still seem to have issues. I have about a dozen WP 3.4.2 sites running within a single account. Each has a separate installation. I finally installed TPC! Memory Usage within one of my WP installs to see what was going on. The memory usage just standing still is on the order of 40 MB. This seems high, but I don't know. What would be a reasonable memory usage for these WP installs? Do I need to take other things into account, or am I even looking at it the right way?

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  • How to extend an existing Ruby on Rails CMS to host multiple sites?

    - by Andrew
    I am trying to build a CMS I can use to host multiple sites. I know I'm going to end up reinventing the wheel a million times with this project, so I'm thinking about extending an existing open source Ruby on Rails CMS to meet my needs. One of those needs is to be able to run multiple sites, while using only one code-base. That way, when there's an update I want to make, I can update it in one place, and the change is reflected on all of the sites. I think that this will be able to scale by running multiple instances of the application. I think that I can use the domain/subdomain to determine which data to display. For example, someone goes to subdomain1.mysite.com and the application looks in the database for the content for subdomain1. The problem I see is with most pre-built CMS solutions, they are only designed to host one site, including the one I want to use. So the database is structured to work with one site. However, I had the idea that I could overcome this by "creating a new database" for each site, then specifying which database to connect to based on the domain/subdomain as I mentioned above. I'm thinking of hosting this on Heroku, so I'm wondering what my options for this might be. I'm not very familiar with Amazon S3, or Amazon SimpleDB, but I feel like there's some sort of "cloud database" that would make this solution a lot more realistic, than creating a new MySQL database for each site. What do you think? Am I thinking about this the wrong way? What advice do you have to offer in this area?

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  • Could multiple uses of the same keywords in image alt attributes hurt SEO?

    - by saratogahiker
    Let's say on an e-commerce site that sells unique pens, on a particular pen's product page, the image of the pen has an alt attribute value of "unique red-striped pen"... and another product has "unique blue-spotted pen", etc... The keywords across all products being "unique" and "pen", which would also be helpful when it comes to SEO. However, if the person just goes to the general "unique pens" category page and sees a list of thumbnail images, each with the words "unique" and "pen" in the alt attribute, would that potentially have a negative impact with regards to SEO by having the same keywords too many times?

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  • How to avoid movement speed stacking when multiple keys are pressed?

    - by eren_tetik
    I've started a new game which requires no mouse, thus leaving the movement up to the keyboard. I have tried to incorporate 8 directions; up, left, right, up-right and so on. However when I press more than one arrow key, the movement speed stacks (http://gfycat.com/CircularBewitchedBarebirdbat). How could I counteract this? Here is relevant part of my code: var speed : int = 5; function Update () { if(Input.GetKey(KeyCode.UpArrow)){ transform.Translate(Vector3.forward * speed * Time.deltaTime); } else if(Input.GetKey(KeyCode.UpArrow) && Input.GetKey(KeyCode.RightArrow)){ transform.Translate(Vector3.forward * speed * Time.deltaTime); } else if(Input.GetKey(KeyCode.UpArrow) && Input.GetKey(KeyCode.LeftArrow)){ transform.rotation = Quaternion.AngleAxis(315, Vector3.up); } if(Input.GetKey(KeyCode.DownArrow)){ transform.Translate(Vector3.forward * speed * Time.deltaTime); } }

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  • Perforce depots

    - by PeanutPower
    Is it preferred to have one depot with multiple folders which map to different paths in a workspace. OR multiple folders in one depot that map to multiple workspaces, or multiple depots to multiple workspaces. Does anyone have any practical advice on the matter? I've also noticed that when I have multiple folders in a depot that map to different paths in my workspace when i diff from the depot a change in one of the sub folders does not show up in the diff.

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  • Could multiple uses of the same word in image alt tags hurt SEO?

    - by saratogahiker
    Let's say on an e-commerce site that sells unique pens, on a particular pen's product page, the image of the pen has an alt tag of "unique red-striped pen"... and another product has "unique blue-spotted pen", etc. The key words across all products being "unique" and "pen", which would also be helpful when it comes to SEO. However, if the person just goes to the general "unique pens" category page and sees a list of thumbnail images, each with the words "unique" and "pen" in the alt tag, would that potentially have a negative impact with regards to SEO by having the words too many times?

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  • How do I batch rename a specific file inside multiple zip archives via the command line?

    - by user73469
    I have about 200+ shareware files in zip format that each contain a file called "FILE_ID.DIZ". I need to know how to rename each instance to lowercase "file_id.diz" without doing it manually - I've already gone that route and it's pretty time consuming. That file has to be lowercase because the BBS program I'm using ignores the FILE_ID.DIZ as a description since it is uppercase. If I manually change it to lowercase, the description is imported successfully. I know that rar has a renaming switch, but then I'd have to batch convert all of the zip files to rar, and then back to zip. I'm not ruling that out entirely, but it seems like the long way around to resolving this. I found the man page for "zip_rename", which looks like it might do the trick, but I have no idea how to actually implement it. I refuse to do this on a Windows machine - I just can't and won't do it... it's the principle ;). Anyway, thanks for your time!

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  • Is this the correct way to set up has many with multiple associations?

    - by user323763
    I'm trying to set up a new project for a music site. I'm learning ROR and am a bit confused about how to make join models/tables. Does this look right? I have users, playlists, songs, and comments. Users can have multiple playlists. Users can have multiple comments on their profile. Playlists can have multiple songs. Playlists can have comments. Songs can have comments. class CreateTables < ActiveRecord::Migration def self.up create_table :users do |t| t.string :login t.string :email t.string :firstname t.string :lastname t.timestamps end create_table :playlists do |t| t.string :title t.text :description t.timestamps end create_table :songs do |t| t.string :title t.string :artist t.string :album t.integer :duration t.string :image t.string :source t.timestamps end create_table :comments do |t| t.string :title t.text :body t.timestamps end create_table :users_playlists do |t| t.integer :user_id t.integer :playlist_id t.timestamps end create_table :playlists_songs do |t| t.integer :playlist_id t.integer :song_id t.integer :position t.timestamps end create_table :users_comments do |t| t.integer :user_id t.integer :comment_id t.timestamps end create_table :playlists_comments do |t| t.integer :playlist_id t.integer :comment_id t.timestamps end create_table :songs_comments do |t| t.integer :song_id t.integer :comment_id t.timestamps end end def self.down drop_table :playlists drop_table :comments drop_table :songs_comments drop_table :users_comments drop_table :users_playlists drop_table :users drop_table :playlists drop_table :songs drop_table :playlists end end

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  • gnome-panel has multiple rows -- how to undo that?

    - by towi
    On Ubuntu 12.04 I use openbox with a single "gnome-panel" started. But after trying to configure my two screen in Xinerama mode I got additional rows of panels each time X restarted. And despite I completely reverted to my one-screen-X-config the gnome-panel displayed has 4 rows (4 at top sreen, 4 at bottom) only the outermost row has content, the other 3 are empty there is only one gnome-panel process running some widgets appear 4 times, too, although they run only once when I switch away from openbox using unity I am back to 1 row temporarily What went wrong here? How do I undo that? Things that did not help: rm -Rf .gnome2 .gconf/ .compiz-1/ pkill panel, and restarting it

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  • ASP.Net MVC 3: multiple versions of the site without changing of URL, is it possible?

    - by Seacat
    Our website is written in ASP.NET MVC 3 and we want to change a feature in the core functionality of the site. The problem is not every client can be moved to this new version/format (because of some technical inner restrictions) so it means that we need to keep 2 versions of the same functionality (backend and frontend) simultaneously. We don't want our clients to worry about URLs, so the ideal solution would be keep the same URL but redirect clients to the different versions. The information about clients is stored in database. So the moment when user (client) logs in we know which version of site we should show. I'm thinking about routing and areas but I'm not sure if it's possible for example to have 2 areas with the different versions of the same application. Or is it possible to load the assemblies on the fly? After user is logged in we can decide if (s)he should be redirected to the new or old version. As far as all the clients have been moved to the new version we don't need this system more. How can I do this in ASP.NET MVC?

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  • Implementation ideas to store multiple files within a single file for faster access?

    - by eminemence
    My requirement is to store a large number of files within a single file.The files stored could be anything like images, videos or simple text files as well. I want some ideas to implement the same. I am thinking of implementing a file system within a file, but am not sure if its a good idea. The main area of concern here is the access time. Also I want to provide encryption for this single file. Any suggestions are welcome.

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  • Does GPG allow encryption of multiple files using a wild card like *filename*? [on hold]

    - by user47427
    I am trying to automate the encryption of files on a windows server using a .bat file I created. As long as the filename is hardcoded in the .bat file this works. I want to encrypt numerous files using this .bat file but files are not encrypted when I use wildcards in the filename like filename.txt. I've been trying various version of the following command at the DOS prompt to no avail. All attempts have returned syntax for usage. C:\gpg -v --batch -- yes --always-trust -e -r <encryption-key> *part-of-the-file-name* usage: gpg [options] --encrypt [filename] I received the same usage message with this command: C:\gpg -v --batch -- yes --always-trust -e -r --encrypt part-of-the-file-name I tried without the -v and some of the other options and I still received the same message. I have spent hours today searching the internet for an answer and I can't find one anywhere? Please help.

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  • How do OSes work on multiple CPUs? [on hold]

    - by user3691093
    Assumption: "OS es (atleast in some part) should be written in assembly.Assembly programs are CPU specefic." If so how can one os run on different CPUs ? For example: how is that I can load Ubuntu on different systems having different CPUs (like intel i3,i5,i7, amd a8,a6,etc) from the same bootable disk? Does the disk contain seporate assembly programs for each CPU? Are these CPUs 'similar' enough to run the same assembly program? Is my assumption wrong? Something else.... Thanks for responding. I tried to find out in what way are the CPUs that I mentioned 'similar'. I came across the concepts of Instruction Set Architecture and Microarchitecture of CPUs.A CPU will understand a program if it is combatible with its ISA. Even if CPUs are 'wired up' differently (different microarchitecture) , as long as the ISA implemented on top is same ,the program will work. ARM and x86 have different ISA ( that why there are 2 windows 8 versions, right?). And if an app program is written in an HLL with compilers for both platforms we will saved from wasting time writing 2 programs. Did I understand anything wrong? Are there programs that can take a compiled program as input and produce a program executable on another CPU as output? Is it possible? (Virtualisation?) 32 bit windows programs do install on 64 bit windows ,dont they? Arent 64 bit CPUs 'differerent' from 32 bit CPUs? They do get seporate OS versions, right? Is this backward combatibility achieved using programes mentioned in (3) ?

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  • How Do I Setup Multiple Stores Using Magento Like Their Demo?

    - by FergatROn
    I'm playing with Magento and I figured out how to create multiple websites and stores and store views, but when I go back to the home page it certainly doesn't look as cool as the Magento Demo (http://www.magento-mall.com/). Are the tabs something they did in the HTML and the store domains are really masking to the ugly store URL? Example: www.kayferg-store1.com = masks to beta.kayferg.com/magento/index.php/?___store=[STORE1] www.kayferg-store2.com = masks to beta.kayferg.com/magento/index.php/?___store=[STORE2]

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  • How can I specify multiple startup tasks in Conemu?

    - by Maciej Wozniak
    How can I specify multiple startup tasks in Conemu? I want to have each task in a separate tab opened on startup. Something like: ConEmu64.exe /cmdlist {Powershell}|{FAR}|{VSConsole} Unfortunately, this command does not support "console scripts" ("Console script are not supported here"). I know, I can create another task, combining the commands of my desired tasks (full commands, because task command does not support console scripts). Is there any other way ?

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  • How to print multiple Excel sheets into a single PDF file?

    - by Anriëtte Combrink
    I am trying to print multiple sheets from the same Excel workbook into ONE PDF file. But it frequently prints them seperately or only the first sheet. I selected all the sheets and made them have the same page setup. I am working on Tiger and from the Print dialogue, I click on the left-hand bottom button, "Save PDF" and from there I choose "Save PDF-X". Anyone have another solution for me?

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  • Is there a way to display multiple power point documents in separate power point windows?

    - by Chris Reynolds
    In Microsoft PowerPoint 2007, when opening multiple .pptx/.ppt documents simultaneously, the documents are opened in the same physical PowerPoint window. I was wondering if anyone was aware of a way to separate these documents into separate physical windows. I am aware that you can arrange and cascade separate documents within the same PowerPoint window, but I find that method a bit awkward and frustrating (especially when juggling more than two documents simultaneously).

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  • Windows 7 XP Mode - Is it possible to have multiple XP Mode Virtual PCs?

    - by STW
    Windows 7's XP Mode virtual PC supports some features that aren't 'stock' with an XP Virtual PC such as a different start-up dialog, no Shutdown button, etc. Possibly the most significant is that applications installed within the XP Mode VM appear within the Windows 7 start-menu. I have a need for multiple XP Mode VM's--is it possible to have 2 or more XP Mode VM's, or to otherwise enable these extra integration features in an XP Virtual PC?

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  • In an application, are there multiple permissions that acess internet?

    - by user164945
    In an application, are there multiple permissions that acess internet? Could only part of an application be denied a certain permission, such as internet? Could only the part of the application that is spyware be denied internet permissions, Such as through modifying the files that connect to the internet? spyware X no internet acess (internet) (read) (write) (sound or harware) | permission 1 | permission 2 | permission 3 | permission 4 |

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  • Windows 7 XP Mode - Is it possible to have multiple XP Mode Virtual PCs?

    - by Yoooder
    Win7's XP Mode virtual PC supports some features that aren't 'stock' with an XP Virtual PC such as a different start-up dialog, no Shutdown button, etc. Possibly the most significant is that applications installed within the XP Mode VM appear within the Windows 7 start-menu. I have a need for multiple XP Mode VM's--is it possible to have 2 or more XP Mode vm's, or to otherwise enable these extra integration features in an XP Virtual PC?

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