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  • How to prevent duplication of content on a page with too many filters?

    - by Vikas Gulati
    I have a webpage where a user can search for items based on around 6 filters. Currently I have the page implemented with one filter as the base filter (part of the url that would get indexed) and other filters in the form of hash urls (which won't get indexed). This way the duplication is less. Something like this example.com/filter1value-items#by-filter3-filter3value-filter2-filter2value Now as you may see, only one filter is within the reach of the search engine while the rest are hashed. This way I could have 6 pages. Now the problem is I expect users to use two filters as well at times while searching. As per my analysis using the Google Keyword Analyzer there are a fare bit of users that might use two filters in conjunction while searching. So how should I go about it? Having all the filters as part of the url would simply explode the number of pages and sticking to the current way wouldn't let me target those users. I was thinking of going with at max 2 base filters and rest as part of the hash url. But the only thing stopping me is that it would lead to duplication of content as per Google Webmaster Tool's suggestions on Url Structure.

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  • Search ranking for important keywords has gone down drastically [duplicate]

    - by Vaivhav
    This question already has an answer here: How to diagnose a search engine ranking drop? 5 answers Firstly, we are a small entrepreneurial team of 3 persons and I am more like an amateur webmaster of the company's website as we cannot really afford a technical guy/department right now. A few weeks earlier, our website traffic and rankings for most keywords decreased overnight. I did a lot of reading henceforth and learned about Penguin 2.1 which people said is the reason for the drop. Something like this had never happened before. Now, I have gone through the entire Google webmaster help section. It says there that if a manual penalty is taken against us, we would notice a message in Manual Actions page. So far, we haven't received any notice from Google for web spam. Some SEO guys I contacted said they found spam links in our backlink profile. I do believe I had mistakenly purchased a cheap link/SEO scheme when I was yet very new to SEO. This was more than a year back but since then we have been legitimate. Moreover, how do I find out which is a spam link and which is not? Our content is all original, refreshing and the best you will find in our niche. We also have a blog but on a different domain (wordpress.com) from where we send out anchored links to our business website. Is this a good thing to do? Now, how should we proceed and recover our traffic/rankings. I tried searching in webmasters for a way to reach google and ask them why the traffic has decreased suddenly, but I couldn't find a contact form or something. Can someone please go through our website and help in making things more clear regarding the reason for the drop, along with a solution. Will really appreciate this as I can't get to figure this out and its taking a lot of time. Vaivhav

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  • Clarification of "avoid if-else" advice [duplicate]

    - by deviDave
    This question already has an answer here: Elegant ways to handle if(if else) else 21 answers The experts in clean code advise not to use if/else since it's creating an unreadable code. They suggest rather using IF and not to wait till the end of a method without real need. Now, this if/else advice confuses me. Do they say that I should not use if/else at all (!) or to avoid if/else nesting? Also, if they refer to the nesting of if/else, should I not do even a single nesting or I should limit it to max 2 nestings (as some recommends)? When I say single nesting, I mean this: if (...) { if (...) { } else { } } else { } EDIT Also tools like Resharper will suggest reformatting if/else statements. It usually concerts them to if stand-alone statement, and sometimes even to ternary expression.

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  • My screen turns off when I watch movies on YouTube [duplicate]

    - by Radu Radeanu
    This question already has an answer here: How to prevent my screen from dimming when watching YouTube? 4 answers When I use VLC or other media player, I can watch the movie until the end without touching the PC. If I watch a movie on YouTube using Chromium or Firefox my screen will turn off as is set in System Settings Brightness and Lock. How to prevent this without to change the settings in Brightness and Lock. Edit: My Ubuntu 13.04 with Gnome 3.6.3.1 uses gnome-screensaver (I didn't installed any other screensaver).

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  • Alternative for Subdomains [duplicate]

    - by Raj
    This question already has an answer here: Should I choose sub-directories over sub-domains in this case? 2 answers I have a company and website like www.example.com We have 1 industry with product 1 ,product 2 and another industry with product 3 and product 4 . All these products are different to each other my questions is like should have subdomains like www.industry1.example.com or www.example.com/industry1 If it is industry1.example.com it might sense different domain , if it is example.com/industry1 the number of folders might increase Please suggest a best solution for this thanks, Raj

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  • Google ranking - Modal views - google analytics events [duplicate]

    - by minchiya
    This question already has an answer here: How to diagnose a search engine ranking drop? 5 answers I modified a site recently : - I added many google analytics events, to better understand user behaviour. - I added also two buttons on almost all the pages of the site. Those buttons show modal-views (I am using bootstrap) with questions about user opinion. This modals views are on almost all pages of the site. After this modification the ranking of the site decreased on google search from the second place to the seconde page :( Is it the events-collected or the model-views added ? If the model-views are the reason, then how to better do similar surveys ? Did you have please similar experience, or explanation to this ? Perhaps it is the effect of panda4 update. In this cas, what can I look for to improve the site. How to debug the problem/reasons ?

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  • Understanding a codebase [duplicate]

    - by jojo modjo
    This question already has an answer here: How do you dive into large code bases? 31 answers What kind of practices should one employ to increase his understanding of a codebase. I will be a bit more specific and narrow down the question to the domain of an application that includes asynchronous jobs, python, celery, mysql, sqlalchemy and flask. It's a code base that creates reports basically. I would like to have a better understanding of the codebase.

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  • Dont Throw Duplicate Exceptions

    In your code, youll sometimes have write code that validates input using a variety of checks.  Assuming you havent embraced AOP and done everything with attributes, its likely that your defensive coding is going to look something like this: public void Foo(SomeClass someArgument) { if(someArgument == null) { throw new InvalidArgumentException("someArgument"); } if(!someArgument.IsValid()) { throw new InvalidArgumentException("someArgument"); }   // Do Real Work } Do you see a problem here?  Heres the deal Exceptions should be meaningful.  They have value at a number of levels: In the code, throwing an exception lets the develop know that there is an unsupported condition here In calling code, different types of exceptions may be handled differently At runtime, logging of exceptions provides a valuable diagnostic tool Its this last reason I want to focus on.  If you find yourself literally throwing the exact exception in more than one location within a given method, stop.  The stack trace for such an exception is likely going to be identical regardless of which path of execution led to the exception being thrown.  When that happens, you or whomever is debugging the problem will have to guess which exception was thrown.  Guessing is a great way to introduce additional problems and/or greatly increase the amount of time require to properly diagnose and correct any bugs related to this behavior. Dont Guess Be Specific When throwing an exception from multiple code paths within the code, be specific.  Virtually ever exception allows a custom message use it and ensure each case is unique.  If the exception might be handled differently by the caller, than consider implementing a new custom exception type.  Also, dont automatically think that you can improve the code by collapsing the if-then logic into a single call with short-circuiting (e.g. if(x == null || !x.IsValid()) ) that will guarantee that you cant easily throw different information into the message as easily as constructing the exception separately in each case. The code above might be refactored like so:   public void Foo(SomeClass someArgument) { if(someArgument == null) { throw new ArgumentNullException("someArgument"); } if(!someArgument.IsValid()) { throw new InvalidArgumentException("someArgument"); }   // Do Real Work } In this case its taking advantage of the fact that there is already an ArgumentNullException in the framework, but if you didnt have an IsValid() method and were doing validation on your own, it might look like this: public void Foo(SomeClass someArgument) { if(someArgument.Quantity < 0) { throw new InvalidArgumentException("someArgument", "Quantity cannot be less than 0. Quantity: " + someArgument.Quantity); } if(someArgument.Quantity > 100) { throw new InvalidArgumentException("someArgument", "SomeArgument.Quantity cannot exceed 100. Quantity: " + someArgument.Quantity); }   // Do Real Work }   Note that in this last example, Im throwing the same exception type in each case, but with different Message values.  Im also making sure to include the value that resulted in the exception, as this can be extremely useful for debugging.  (How many times have you wished NullReferenceException would tell you the name of the variable it was trying to reference?) Dont add work to those who will follow after you to maintain your application (especially since its likely to be you).  Be specific with your exception messages follow DRY when throwing exceptions within a given method by throwing unique exceptions for each interesting case of invalid state. Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Can't run minecraft on ubuntu 12.04 lts [duplicate]

    - by user170011
    This question already has an answer here: How to correctly install and troubleshoot Minecraft (Client) 3 answers I was trying to run minecraft on my laptop with ubuntu 12.04 lts 64 bit. I have a lenovo ideapad p580 with 7.7 Gb and an Intel® Core™ i7-3520M CPU @ 2.90GHz × 4 processor. Under the graphics section of the system overview in ubuntu it says I have none installed. My computer comes with and nvidia geforce graphics card but it isnt recognized. When I start minecraft I get this crash report. ---- Minecraft Crash Report ---- // Shall we play a game? Time: 24/06/13 7:23 PM Description: Failed to start game org.lwjgl.LWJGLException: Could not init GLX at org.lwjgl.opengl.LinuxDisplayPeerInfo.initDefaultPeerInfo(Native Method) at org.lwjgl.opengl.LinuxDisplayPeerInfo.<init>(LinuxDisplayPeerInfo.java:52) at org.lwjgl.opengl.LinuxDisplay.createPeerInfo(LinuxDisplay.java:684) at org.lwjgl.opengl.Display.create(Display.java:854) at org.lwjgl.opengl.Display.create(Display.java:784) at org.lwjgl.opengl.Display.create(Display.java:765) at net.minecraft.client.Minecraft.a(SourceFile:235) at avv.a(SourceFile:56) at net.minecraft.client.Minecraft.run(SourceFile:507) at java.lang.Thread.run(Thread.java:679) A detailed walkthrough of the error, its code path and all known details is as follows: -- System Details -- Details: Minecraft Version: 1.5.2 Operating System: Linux (amd64) version 3.5.0-34-generic Java Version: 1.6.0_27, Sun Microsystems Inc. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Sun Microsystems Inc. Memory: 406175448 bytes (387 MB) / 514523136 bytes (490 MB) up to 1908932608 bytes (1820 MB) JVM Flags: 2 total; -Xmx2048M -Xms512M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: No suspicious classes found. IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 LWJGL: 2.4.2 OpenGL: ~~ERROR~~ NullPointerException: null Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Texture Pack: Default Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null I can run it on different versions of linux such as fedora.

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  • Can not enter password for sudo [duplicate]

    - by Michael
    This question already has an answer here: add repository to ubuntu from terminal with pgp key 3 answers I have used Ubuntu for several years, and I can not enter password for sudo, and this is when i wanna add a key to public.gpg for itunes10 it dos not work, and the password normal works wite sudo but not in the terminal when i enter: sudo wget -q "http:// deb.playonlinux.com/public.gpg" -o- | sudo apt-get add - and it says this 'sorry try again', and i just had installed itunes10, and have to add a key whit wget to public.gpg, and i tried to enter in the terminal: sudo apt-get update and the password works fine but not whit using sudo wget, and can some one please help.

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  • Search for duplicate prefix of file names

    - by Mia
    I have a folder contains files name as: xxx.get.txt and xxx.resp.txt xxx.get.txt, xxx.resp.txt yyy.get.txt, yyy.resp.txt zzz.get.txt, zzz.resp.txt, etc each prefix xxx should have two corresponding files, .get.txt and .resp.txt However, now I calculate the number of .get.txt and the number of .resp.txt files, they are not equal, there're ten more .get.txt. I want to find out, which .get.txt files do not have ´.resp.txt´ file Is it possible? Many thanks!

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  • No Wireless Networks, BCM4313 [duplicate]

    - by TalonPlz
    This question already has an answer here: How to Install Broadcom Wireless Drivers (BCM43xx) 38 answers Just bought this little Asus 10 inch laptop that came with Ubuntu 12.04. Everything at my home was fine: Wireless identified and connected. As soon as I went to my girlfriend's house the trouble started. I couldn't connect to wireless (authentication... times out and asks for authentication) I started doing internet searching, tried a few solutions posted on line using terminal commands. No solutions. I decided to upgraded to 12.10-13.04 and that left me with a worse problem: I can no longer see ANY networks what so ever. Wireless card is ON, with out a doubt. Wired connection works. I have been fumbling with driver versions to no .avail, and have no idea which driver I am currently running I have a vague idea of what terminal lines to run: lshw: resources: irq:17 memory:f7d00000-f7dfffff *-network description: Wireless interface product: BCM4313 802.11b/g/n Wireless LAN Controller vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: eth2 version: 01 serial: dc:85:de:56:c4:ea width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=6.20.155.1 (r326264) latency=0 multicast=yes wireless=IEEE 802.11abg resources: irq:17 memory:f7d00000-f7d03fff iwconfig: eth1 no wireless extensions. eth2 IEEE 802.11abg ESSID:off/any Mode:Managed Access Point: Not-Associated Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off lo no wireless extensions. I am new and excited to start my Ubuntu and Linux life and this is only the first of my few hic cups i am sure! :) Thanks all UPDATE: Report from 2nd answer talon@Black1015E:~$ sudo apt-get remove --purge bcmwl-kernel-source [sudo] password for talon: Reading package lists... Done Building dependency tree Reading state information... Done Package 'bcmwl-kernel-source' is not installed, so not removed 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. talon@Black1015E:~$ wget http://us.archive.ubuntu.com/ubuntu/pool/restricted/b/bcmwl/bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_amd64.deb --2013-10-22 18:50:32-- http://us.archive.ubuntu.com/ubuntu/pool/restricted/b/bcmwl/bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_amd64.deb Resolving us.archive.ubuntu.com (us.archive.ubuntu.com)... 2001:67c:1562::15, 2001:67c:1562::13, 2001:67c:1562::14, ... Connecting to us.archive.ubuntu.com (us.archive.ubuntu.com)|2001:67c:1562::15|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1181334 (1.1M) [application/x-debian-package] Saving to: ‘bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_amd64.deb’ 100%[======================================>] 1,181,334 3.37MB/s in 0.3s 2013-10-22 18:50:33 (3.37 MB/s) - ‘bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_amd64.deb’ saved [1181334/1181334] talon@Black1015E:~$ arvh No command 'arvh' found, did you mean: Command 'arch' from package 'coreutils' (main) arvh: command not found talon@Black1015E:~$ arch x86_64 talon@Black1015E:~$ sudo dpkg -i bcmwl*.deb Selecting previously unselected package bcmwl-kernel-source. (Reading database ... 171895 files and directories currently installed.) Unpacking bcmwl-kernel-source (from bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_amd64.deb) ... Setting up bcmwl-kernel-source (5.100.82.112+bdcom-0ubuntu3) ... Loading new bcmwl-5.100.82.112+bdcom DKMS files... First Installation: checking all kernels... Building only for 3.8.0-32-generic Building for architecture x86_64 Building initial module for 3.8.0-32-generic Done. wl: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/3.8.0-32-generic/updates/dkms/ depmod........ DKMS: install completed. Error: Module b43 is not currently loaded Error: Module b43legacy is not currently loaded Error: Module ssb is not currently loaded Error: Module bcm43xx is not currently loaded Error: Module brcm80211 is not currently loaded Error: Module brcmfmac is not currently loaded update-initramfs: deferring update (trigger activated) Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.8.0-32-generic rebooting now

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  • Is it illegal to use content in such a way?

    - by MHZ
    I have a couple of questions about the legality of the content of some websites. I am currently working on two websites and I would like to make sure I am not breaking any laws, by using some content like I am... Do I need to get a license to use images from the Internet (such as google.images.com) in my site, assuming they aren't a company logo belonging to another company? If not, am I allowed to use it after I modify it with a image editing software? If content such as phone numbers, e-mail addresses, website addresses, and text from websites can be found for free online, and I gather this information for a search engine based site that I am working on and offering this information on a paid basis (similar to google, but more specialized), is something that is legal? Note: I am not 'copying' or redirecting business from anywhere, to my site. The exact opposite, the site I am working on actually helps advertise businesses and make it easier for customers to find them.

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  • Custom Title Not Used on SERP [duplicate]

    - by rahstame
    This question already has an answer here: Title tag different from title appearing in Google? 1 answer I am using Wordpress Yoast plugin, and this is not the first time that I used it. I have used it in four of my sites. Problem: Google is not using my custom defined title on my homepage. The website is aboveinfranet[dot]com. If I search "above infranet solutions inc" If you open the site, it will show you the right title that I wanted to achieve.

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  • I have lost sudo privileges in Ubuntu 13.04 [duplicate]

    - by Fredca
    This question already has an answer here: How do I add myself back as a sudo user? 3 answers I have lost sudo privileges in Ubuntu 13.04 these are the responses I get user@user-desktop:~$ sudo sudo: effective uid is not 0, is sudo installed setuid root? user@user-desktop:~$ groups user user : user adm cdrom sudo dip plugdev lpadmin sambashare user@user-desktop:~$ su user Password: su: Authentication failure user@user-desktop:~$ who am i user pts/0 2013-10-24 08:54 (:0.0) user@user-desktop:~$ why can't I invoke sudo if one of my groups is sudo? also I have noticed that /etc/sudoers needs sudo privileges. sudoers.so doesn't exist in /usr/lib but does in /usr/lib/sudo is this correct in 13.04? Please note that the user is already a member of both sudo and adm groups.

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  • apt-get update error - binary-i386, binary-amd64 [duplicate]

    - by magamig
    This question already has an answer here: How can I fix a 404 Error when updating packages? 5 answers When I run: sudo apt-get update It shows me the following error: W: Failed to fetch http://ppa.launchpad.net/directhex/ppa/ubuntu/dists/trusty/main/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ppa.launchpad.net/directhex/ppa/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead. I have googled for solutions, but none of what I found, have worked for me. Please give me your suggestions

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  • How to end game properly in unity? [duplicate]

    - by user3889649
    This question already has an answer here: Why do I seem to lose control of my computer when full screen Unity game loses focus? 1 answer I have made a game in unity free. The game is functioning properly but if your computer receives any kind of notification, the game minimizes automatically and stops to work completely. Along with that, my computer freezes completely and I need to restart each time. Is there any solution to this problem in unity ?

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  • What is the best way to have the same website in multiple domains?

    - by Daniel Magliola
    I would like to have the same website to sell a specific product, in multiple domains , to take advantage of keywords matching the domain name, for several different searches. However, I understand that having the same content in multiple sites will unleash the wrath of Google. If I have a redirect from all domains minus one, to that last one, do I still get any bonus for the "magic exact domain match jackpot"? Same question applies to canonical URLs... What's the best way to approach this? Thanks!

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  • Free hosting solution for a very low-traffic website [duplicate]

    - by user966939
    This question already has an answer here: How to find web hosting that meets my requirements? 4 answers I run a very low-traffic website (about 40 users, basically all of which are daily active on the site). I don't see it changing anytime soon either, as there is no way to sign up on the site right now. Until now I have just been using a sub-directory on a friend's host (shared), to host the web site. But in only a few weeks from now, his subscription will end, and he has no plans on renewing it. So of course this means I'll have to move on to something else. But I don't think I'll find someone who'd be willing to share a... shared host with me again. And besides, the software used on that server is ancient (PHP 4.4.9 + MySQL 4.1.22). There's one obvious solution that comes to mind, I guess: choose a better host and pay for it myself. The problem here is that I have no real fixed income, as I'm only a student. So even if the pricing is dirt cheap, I just can't be certain I will be able to afford it, every single month, for... at least 2 years maybe? So I've looked at free hosting solutions instead. The least requirement I had was that it was completely free of ads. But no matter where I look, I always find something in a corner or two ("what can you expect from a free host?" - yeah I know, but I guess it was worth a shot). For example, on Byethost (one of the free hosts I tried), if you trigger a PHP error while error reporting is set to E_ALL, you will spawn some hidden ad... Besides Byethost, I've tried 000Webhost, x10Hosting, 2Freehosting/1Freehosting, Wink.ws, and they are only worse. Okay, I'm running low on ideas. But! What if I just hosted the site myself, on my own computer? That could work. I actually do have my computer on practically 24/7. But not really. Sometimes I need to reboot it, and sometimes we even have power outages. And what if the hardware needs an upgrade? It's not such a big deal for me if the site went down, because I know what's going on; but what about the users? If I do decide to host it myself, is there some way to show users an alternate page instead of them just seeing a generic "server not found" page in the browser when the site is not accessible? Or is there something I have been missing out on? Is there a different kind of "web hosting" solution out there that I haven't heard of? Here is what I'm really looking for: Free (as in, no costs) NO ads Bandwidth enough for a low-traffic forum with roughly 40 users (Semi-)Up-to-date PHP and MySQL (at least not older than a year) No standard (non-extension) PHP functions turned off - such as sleep() The mbstring extension is enabled Disk space: at least 5 MB At least one MySQL database Some bonus points would be: Max execution time of PHP scripts can be set Remote access to MySQL database What would be the best solution for me? Is there one?

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  • Law of Demeter confusion [duplicate]

    - by user2158382
    This question already has an answer here: Rails: Law of Demeter Confusion 4 answers I am reading a book called Rails AntiPatterns and they talk about using delegation to to avoid breaking the Law of Demeter. Here is their prime example: They believe that calling something like this in the controller is bad (and I agree) @street = @invoice.customer.address.street Their proposed solution is to do the following: class Customer has_one :address belongs_to :invoice def street address.street end end class Invoice has_one :customer def customer_street customer.street end end @street = @invoice.customer_street They are stating that since you only use one dot, you are not breaking the Law of Demeter here. I think this is incorrect, because you are still going through customer to go through address to get the invoice's street. I primarily got this idea from a blog post I read: http://www.dan-manges.com/blog/37 In the blog post the prime example is class Wallet attr_accessor :cash end class Customer has_one :wallet # attribute delegation def cash @wallet.cash end end class Paperboy def collect_money(customer, due_amount) if customer.cash < due_ammount raise InsufficientFundsError else customer.cash -= due_amount @collected_amount += due_amount end end end The blog post states that although there is only one dot customer.cash instead of customer.wallet.cash, this code still violates the Law of Demeter. Now in the Paperboy collect_money method, we don't have two dots, we just have one in "customer.cash". Has this delegation solved our problem? Not at all. If we look at the behavior, a paperboy is still reaching directly into a customer's wallet to get cash out. Can somebody help me clear the confusion. I have been searching for the past 2 days trying to let this topic sink in, but it is still confusing.

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  • Duplicate ping response when running Ubuntu as virtual machine (VMWare)

    - by Stonerain
    I have the following setup: My router - 192.168.0.1 My host computer (Windows 7) - 192.168.0.3 And Ubuntu is running as virtual machine on the host. VMWare network settings is Bridged mode. I've modified Ubuntu network settings in /etc/netowrk/interfaces, set the following config: iface eth0 inet static address 192.168.0.220 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1 Internet works correctly, I can install packages. But it gets weird if I try to ping something I get this: PING belpak.by (193.232.248.80) 56(84) bytes of data. From 192.168.0.1 icmp_seq=1 Time to live exceeded From 192.168.0.1 icmp_seq=1 Time to live exceeded From 192.168.0.1 icmp_seq=1 Time to live exceeded From 192.168.0.1 icmp_seq=1 Time to live exceeded From 192.168.0.1 icmp_seq=1 Time to live exceeded 64 bytes from belhost.by (193.232.248.80): icmp_seq=1 ttl=250 time=17.0 ms 64 bytes from belhost.by (193.232.248.80): icmp_seq=1 ttl=249 time=17.0 ms (DUP! ) 64 bytes from belhost.by (193.232.248.80): icmp_seq=1 ttl=248 time=17.0 ms (DUP! ) 64 bytes from belhost.by (193.232.248.80): icmp_seq=1 ttl=247 time=17.0 ms (DUP! ) 64 bytes from belhost.by (193.232.248.80): icmp_seq=1 ttl=246 time=17.0 ms (DUP! ) ^CFrom 192.168.0.1 icmp_seq=2 Time to live exceeded --- belpak.by ping statistics --- 2 packets transmitted, 1 received, +4 duplicates, +6 errors, 50% packet loss, ti me 999ms rtt min/avg/max/mdev = 17.023/17.041/17.048/0.117 ms I think even more interesting are the results of pinging the router itself: stonerain@ubuntu:~$ ping 192.168.0.1 -c 1 PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data. From 192.168.0.3: icmp_seq=1 Redirect Network(New nexthop: 192.168.0.1) 64 bytes from 192.168.0.1: icmp_seq=1 ttl=254 time=6.64 ms --- 192.168.0.1 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 6.644/6.644/6.644/0.000 ms But if I set -c 2: ... 64 bytes from 192.168.0.1: icmp_seq=1 ttl=252 time=13.5 ms (DUP!) 64 bytes from 192.168.0.1: icmp_seq=1 ttl=251 time=13.5 ms (DUP!) 64 bytes from 192.168.0.1: icmp_seq=1 ttl=254 time=13.5 ms (DUP!) 64 bytes from 192.168.0.1: icmp_seq=1 ttl=253 time=13.5 ms (DUP!) 64 bytes from 192.168.0.1: icmp_seq=1 ttl=252 time=13.5 ms (DUP!) 64 bytes from 192.168.0.1: icmp_seq=1 ttl=251 time=13.5 ms (DUP!) From 192.168.0.3: icmp_seq=2 Redirect Network(New nexthop: 192.168.0.1) 64 bytes from 192.168.0.1: icmp_seq=2 ttl=254 time=7.87 ms --- 192.168.0.1 ping statistics --- 2 packets transmitted, 2 received, +256 duplicates, 0% packet loss, time 1002ms rtt min/avg/max/mdev = 6.666/10.141/13.556/2.410 ms Pinging host machine on the other hand works absolutely correctly: no DUPs, no errors. What seems to be the problem and how can I fix it? Thank you.

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  • Generating tileable terrain using Perlin Noise [duplicate]

    - by terrorcell
    This question already has an answer here: How do you generate tileable Perlin noise? 9 answers I'm having trouble figuring out the solution to this particular algorithm. I'm using the Perlin Noise implementation from: https://code.google.com/p/mikeralib/source/browse/trunk/Mikera/src/main/java/mikera/math/PerlinNoise.java Here's what I have so far: for (Chunk chunk : chunks) { PerlinNoise noise = new PerlinNoise(); for (int y = 0; y < CHUNK_SIZE_HEIGHT; ++y) { for (int x = 0; x < CHUNK_SIZE_WIDTH; ++x) { int index = get1DIndex(y, CHUNK_SIZE_WIDTH, x); float val = 0; for (int i = 2; i <= 32; i *= i) { double n = noise.tileableNoise2(i * x / (float)CHUNK_SIZE_WIDTH, i * y / (float)CHUNK_SIZE_HEIGHT, CHUNK_SIZE_WIDTH, CHUNK_SIZE_HEIGHT); val += n / i; } // chunk tile at [index] gets set to the colour 'val' } } } Which produces something like this: Each chunk is made up of CHUNK_SIZE number of tiles, and each tile has a TILE_SIZE_WIDTH/HEIGHT. I think it has something to do with the inner-most for loop and the x/y co-ords given to the noise function, but I could be wrong. Solved: PerlinNoise noise = new PerlinNoise(); for (Chunk chunk : chunks) { for (int y = 0; y < CHUNK_SIZE_HEIGHT; ++y) { for (int x = 0; x < CHUNK_SIZE_WIDTH; ++x) { int index = get1DIndex(y, CHUNK_SIZE_WIDTH, x); float val = 0; float xx = x * TILE_SIZE_WIDTH + chunk.x; float yy = y * TILE_SIZE_HEIGHT + chunk.h; int w = CHUNK_SIZE_WIDTH * TILE_SIZE_WIDTH; int h = CHUNK_SIZE_HEIGHT * TILE_SIZE_HEIGHT; for (int i = 2; i <= 32; i *= i) { double n = noise.tileableNoise2(i * xx / (float)w, i * yy / (float)h, w, h); val += n / i; } // chunk tile at [index] gets set to the colour 'val' } } }

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  • Finding graphical help? [duplicate]

    - by Jim Hurley
    This question already has an answer here: Where can I go to find a game graphic artist? [on hold] 4 answers If I am making an amateur video game team to design and produce a project, where would I go to find someone to make 3D models? So far, I have my own story design and programming, someone doing engine programming, someone doing the sound, and someone possibly doing texture design. However, there is no one creating meshes. What would be the best course of action to find help?

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  • Wordpress Website issue [duplicate]

    - by David
    This question already has an answer here: What are the best ways to increase a site's position in Google? 18 answers I have my website in WordPress. Now the problem is if I search any keywords in Google related to website webpages then it doesn't show any webpage result in web results. But if I search in Google blog result then It is showing my webpages in Google blog results. I want to know what is problem with my webpages. Why they are coming in Google blog search instead of Google web search?

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  • Is a subdomain per service a good idea for SEO?

    - by Kennie R.
    I am creating a site with quite a few services, such as a free account service, and of course a subdomain for my site's blog and then for article base and other related services, would having them all on subdomains be a good idea? Are there any caveats you are aware of in existing search engines for this? I believe mapping foo.example.com to example.com/foo to provide an alternative just in case is a good idea for sitemaps, I like to keep things clean.

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