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  • What is the current legal status of magnet links?

    - by Moonwalker
    Prelude: I develop a cloud service which could be described as dropbox meets torrents and as side effect it enables distribution of arbitrary content via magnet links. Certain amount of magnet links will be displayed on the main website (I will be able to remove them one-by-one or ban users but no more). I will not be able to avoid magnets without complete rework of overall project architecture and either way it will hurt overall performance badly, probably making service meaningless. So my question is, what should I do, to avoid legal problems if my site in a nutshell is just a collection of magnet links? Privacy achieved via end-user encryption, so there is almost no access restrictions on the website. And anyway will help me any? Will hosting in particular country help me?

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  • rel="Canonical": Ranking Benefits ? & specifying for PDF?

    - by Miak
    I think I understand the basic case for using rel="canonical": to tell google which is the preferred URI when the same page/content may be accessed via more than one URI. This helps you avoid duplicate content penalties. But what else does it do? Does it also affect search ranking? i.e. will the page I specify in the canonical be ranked higher than the others? (if all else equal). And in the case of PDF documents, I understand that you can now specify rel="canonical" for them too, using HTTP headers (i.e. in htaccess). Again, this would obviously help avoid dupilcate content penalties if the PDF content is the same as the HTML page or if it can be accessed in more than one place. But does it affect ranking? or are there any other benefits to doing this.

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  • Shouldn't all source code be plain text? [on hold]

    - by user61852
    Some developing environment/languages save the source code you write in a binary/propietary format that you cannot see or edit with a generic text editor. I'm not talking about compiled code, but the source code. An example could be PowerBuilder and Oracle Forms. It's ok you use proprietary technology if you want, but not being able to open the source code you wrote, in a simple editor, if only to read it, seems like a very strict form of vendor lock-in. Also this prevents you from using text-based version controls that can show you the difference between two versions in a line-by-line base. If the code is plain text, you don't need a license in order to just open it, see it and learn from it. Should it be a golden rule to avoid vendor lock-in to avoid technologies that save your source code to anything but plain text files ?

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  • What is the benefit of not using Hungarian notation?

    - by user29981
    One of the things I struggle with is not using Hungarian notation. I don't want to have to go to the variable definition just to see what type it is. When a project gets extensive, it's nice to be able to look at a variable prefixed by 'bool' and know that it's looking for true/false instead of a 0/1 value. I also do a lot of work in SQL Server. I prefix my stored procedures with 'sp' and my tables with 'tbl', not to mention all of my variables in the database respectively. I see everywhere that nobody really wants to use Hungarian notation, to the point where they avoid it. My question is, what is the benefit of not using Hungarian notation, and why does the majority of developers avoid it like the plague?

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  • Removing unnecessary joomla CMS components

    - by Gaz_Edge
    Background I have been developing a web application. I have been using Joomla platform and CMS as the base from my application. My application relies heavily on the joomla platform, but uses very few features of the CMS (I have to login users etc so I use the _users component of the CMS). Question What is the best way to start removing some of the excess CMS that I don't need? For example when I being building my production site, I will want to avoid creating a load of joomla component database tables etc. I have read that an application can be build from the ground up using just the joomla platform, but i still want to include the _users component and would also like to avoid having to start coding all the session handling aspects. Any advice?

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  • Email forwarding to gmail accounts instead of maintaining a mail server?

    - by user01
    I want to set up 4-5 email addresses on my newly purchased domain(from namecheap.com), for team size of just 2-3 people. But I really don't want to maintain my own mail server(don't have the experience as well as want to avoid the expenses involved, may be I could have kept the mail server alongside my webapp on the web server, but I would avoid). So I came across a workaround option to forward the emails. Thus I could setup email forwarding from namecheap's management console to my free gmail accounts. So all my emails would come to gmail account, convenient & familiar interface as well free. Are there any serious drawbacks of this approach ?

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  • How do I swap two objects in a GC language without triggering GC?

    - by TenFour04
    I have two array lists. that I want to swap each frame. My question is, does the variable 'temp' need to be a member variable to avoid triggering GC, assuming this method is called on dozens of objects each frame? I'm not creating a new object, just a new reference to an object. public void LateUpdate(){ ArrayList<int> temp = previousFrameCollisions; previousFrameCollisions = currentFrameCollisions; currentFrameCollisions = temp; currentFrameCollisions.clear(); } I've been told there's no reason to make a primitive into a member variable just to avoid GC, so my best guess is that this also applies to object references.

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  • Jumping around to work on different features when you get stuck, is it a source of project failures?

    - by codecompleting
    On personal projects (or work), if one gets stuck on a problem, or waiting to figure out a solution to the problem, if you jump to another section of your code, don't you think it will be a good reason your application will be buggy or worse yet never get completed? Assuming you are not using git and code each feature to a specific branch, things can get out of hand since you have 3 different features you are working on, and you have unresolved issues in each. So when you get done to work, you get stressed out because you have these hanging issues and half-baked code lingering about. What's the best way to avoid this problem? (if you have it) I'm guessing using something like git and creating a branch per feature is the safest way to avoid this bad habit. Any other suggestions?

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  • How do I swap two objects in C# (specifically Mono) without triggering GC?

    - by TenFour04
    I have two array lists. that I want to swap each frame. My question is, does the variable 'temp' need to be a member variable to avoid triggering GC, assuming this method is called on dozens of objects each frame? I'm not creating a new object, just a new reference to an object. public void LateUpdate(){ ArrayList<int> temp = previousFrameCollisions; previousFrameCollisions = currentFrameCollisions; currentFrameCollisions = temp; currentFrameCollisions.clear(); } I've been told there's no reason to make a primitive into a member variable just to avoid GC, so my best guess is that this also applies to object references.

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  • What can be considered too high or too low volume?

    - by josinalvo
    I've asked a question about what audio volume to use when recording: recording audio: What is the best volume setting? In there, I learned that: I should avoid too high a volume, to prevent clipping I should avoid too low a volume, to prevent loss of resolution The question now is: What is too high a volume? What is too low? I am setting the volume via the GUI for sound config. It has an unamplified setting, a 100% setting, and volumes beyond 100%. After 100%, is there still resolution loss? How can I tell if there is clipping going on (given that my recording program is the non-GUI ffmpeg)?

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  • Can aptitude for learning Programming paradigms be influenced by culture or native language's gramma

    - by DVK
    It is well known that different people have different aptitudes regarding various programming paradigms (e.g. some people have trouble learning non-procedural, especially functional languages. Some people have trouble understanding pointers - see Joel Spolsky's blog for musings on that. Some people have trouble grasping recursion). I was recently reading about a study that looked at how the grammar of someone's native language affected their speed of learning math. Can't find that article now but a quick googling found this reference. That led me to wondering whether someone's native culture or first language might affect their aptitude towards various programming paradigms. I'm more curious about positive influences - e.g. some trait that make it easier/faster for someone to learn a particular paradigm, for example native language grammar being very recursion-oriented. To be clear, I'm looking for how culture/language grammare may affect the difference between aptitude of the same person towards various paradigms as opposed to how it affects overall aptitude towards programming between different persons. Important: the only answers I'm interested in are either references to scientific studies, or personal observations from someone intimately familiar with a particular culture/language, including from their own experience. E.g. I'm not interested in your opinion of how Chinese being your first language affects anything unless you speak Chinese or worked with extremely large set of Chinese-native programmers extensively. I'm OK with your guesstimates not based on scientific studies, but please be sure to supply your reasoning about plausible causes of your observation. I'm not interested in culture-bashing (any such commends will be deleted or flagged for deletion). I'm also not particularly interested in culture-building - we all know Linus is from Finland and Tetris was written in Russia and Larry Wall is an American. Any culture/nation can produce a brilliant mind in any discipline. I'm interested in averages.

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  • Targeted Simplify in Mathematica

    - by Timo
    I generate very long and complex analytic expressions of the general form: (...something not so complex...)(...ditto...)(...ditto...)...lots... When I try to use Simplify, Mathematica grinds to a halt, I am assuming due to the fact that it tries to expand the brackets and or simplify across different brackets. The brackets, while containing long expressions, are easily simplified by Mathematica on their own. Is there some way I can limit the scope of Simplify to a single bracket at a time? Edit: Some additional info and progress. So using the advice from you guys I have now started using something in the vein of In[1]:= trouble = Log[(x + I y) (x - I y) + Sqrt[(a + I b) (a - I b)]]; In[2]:= Replace[trouble, form_ /; (Head[form] == Times) :> Simplify[form],{3}] Out[2]= Log[Sqrt[a^2 + b^2] + (x - I y) (x + I y)] Changing Times to an appropriate head like Plus or Power makes it possible to target the simplification quite accurately. The problem / question that remains, though, is the following: Simplify will still descend deeper than the level specified to Replace, e.g. In[3]:= Replace[trouble, form_ /; (Head[form] == Plus) :> Simplify[form], {1}] Out[3]= Log[Sqrt[a^2 + b^2] + x^2 + y^2] simplifies the square root as well. My plan was to iteratively use Replace from the bottom up one level at a time, but this clearly will result in vast amount of repeated work by Simplify and ultimately result in the exact same bogging down of Mathematica I experienced in the outset. Is there a way to restrict Simplify to a certain level(s)? I realize that this sort of restriction may not produce optimal results, but the idea here is getting something that is "good enough".

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  • Windows 7 versus Windows XP multithreading - Delphi app not acting right

    - by Robert Oschler
    I'm having a problem with a Delphi Pro 6 application that I wrote on my Windows XP machine when it runs on Windows 7. I don't have Windows 7 to test yet and I'm trying to see if Windows 7 might be the source of the trouble. Is there a fundamental difference between the way Windows 7 handles threads compared to Windows XP? I am seeing things happen out of sequence in my error logs on Windows 7 and it's causing problems. For example, objects that should have been initialized are uninitialized when running on Windows 7, yet those objects are initialized on Windows XP by the time they are needed. Some questions: 1) Are there any core differences that could cause threads/processes to behave differently between the two operating system versions? 2) I know this next question may seem absurd, but does Windows 7 attempt to split/fork threads that aren't split/forked on Windows XP? 3) And lastly, are there any known issues with FPU handling that can cause XP programs trouble when run on Windows 7 due to operational differences in wait state handling or register storage, or perhaps something like Exception mask settings, etc? 4) Any 32-bit versus 64-bit issues that could be creating trouble here? -- roschler

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  • external postfix forwarding to zimbra server

    - by Marko
    I want to migrate from my current mail server (old_server) for my domain mydomain.com. old_server setup is Postfix+LDAP+Cyrus. Now I want to migrate my domain mail to Zimbra server (zimbra), but I am considering option to leave current mail server working in the first phase, and then to only have subset of email addresses to be forwarded to zimbra server. It seems that zimbra refers this in their documentation as 'edge MTA'. Current config mydomain.com MX: old_server <---------- smtp send ----------> smtp receive New config mydomain.com MX: old_server zimbra <------------------------------------------- smtp send ----------> smtp receive ---- forward ----> smtp receive I need following: old_server to receive mail for my domain as before, but for some of the email addresses I want them to be delivered to zimbra server. I should be able to determine which email addresses will be forwarded. I would like to avoid possible false spam detections for mails from mydomain.com due to this setup. Questions: How should I configure postfix on old_server to support this mail forwarding? To avoid false spam detection, can I have outgoing mail from mydomain.com to be sent by zimbra or should I use old_server? Is there anything extra I would need to do in order to avoid possibility of my outgoing mails being marked as spam on other servers?

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  • Permissions issue Mac OS X Client -> Mac OS X Server

    - by Meltemi
    I can't get access to a folder on our server and can't understand why. Perhaps someone will see what I'm overlooking... Trouble accessing /Library/Subdirectory/NextDirectory/ User joe can ssh to the server just fine and cd to /Library/Subdirectory/ however trying to cd into the next folder, NextDirectory, gives this error: -bash: cd: NextDirectory/: Permission denied both username joe & bill are members of the group admin and both can get INTO Subdirectory without any trouble... hostname:Library joe$ ls -l | grep Subdirectory drwxrwxr-x 3 bill admin 102 Jun 1 14:51 Subdirectory and from w/in the Subversion folder hostname:Subdirectory joe$ ls -l drwxrwx--- 5 root admin 170 Jun 1 22:19 NextDirectory bill can cd into NextDirectory but joe cannot!?! What am I overlooking? What tools do we have to troubleshoot this? thanks!

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  • Limit WebClient DownloadFile maximum file size

    - by Jack Juiceson
    Hi everyone, In my asp .net project, my main page receives URL as a parameter I need to download internally and then process it. I know that I can use WebClient's DownloadFile method however I want to avoid malicious user from giving a url to a huge file, which will unnecessary traffic from my server. In order to avoid this, I'm looking for a solution to set maximum file size that DownloadFile will download. Thank you in advance, Jack

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  • UDP multicast streaming of media content over WIFI

    - by sajad
    I am using vlc to stream media content over wireless network in scenario like this (from content streamer to stream receiver client): The bandwidth of wireless network is 54 Mb/s and UDP stream's required bandwidth is only 4 Mb/s; however there is trouble in receiving media stream and quality of playing specifically in multicast mode; means I can play the stream but it has jitter and does not play smoothly. In uni-cast I can stream up to 5 media streams correctly, but in multicast mode there is problem with streaming just one media! However when I stream from client some multicast streams; the wifi access-point can receive data correctly and I can see the video in "udp streamer" side correctly even when number of multicast streams increases to 9; But as you see I want to stream from streaming server and receive media in client size. Is this a typical problem of streaming real-time contents over wireless networks? Is it necessary to change configurations of my WIFI switch or it is just a software trouble? thank you

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  • Bash vs. Gnu screen : Replace Ctrl-A with Ctrl-Shift-A

    - by Stefan Lasiewski
    I'm a new user to GNU Screen. I've been using Bash for a very long time, and I want to give GNU Screen a try. As you know, GNU Screen uses 'C-a' (Control-A) as as the command character. Trouble is, this interferes with the Line Editing feature in Bash (and GNU Readline), because Control-A in Bash will Move to the start of the line." I know I can set the Command Character to another key sequence, like "^Q" or "``" (Backtick), but I have trouble finding another key sequence which isn't already in use (^Q is used by the terminal, backtick is used when writing shell scripts). It appears that the Command Character may only be one or two characters in length. Can I set the GNU Screen control character to be something like "Control-Shift-A"? (I can't use more then one hyperlink yet, so I cannot link to the Bash documentation)

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  • Communicator Messages not being saved to Outlook due to Outlook Integration error

    - by Mark Rogers
    For the most part my Office Communicator appears to be configured correctly. I can login to my work account and see the work contact list. Outlook is working perfectly had a weird profile problem initially but that was fixed. Unfortunately, even though I have set the setting that says: Save my instant message conversations in the Outlook Conversation History folder. My conversations have stopped saving to the Outlook Conversation History folder. Also I have a yellow warning message on top of the server icon next to the status field. When I hover or click on the message, it says there is an Outlook Integration Error. The administrator is having trouble figuring out what is causing it. What can cause Outlook Integration Errors in Communicator and how do I go about trouble shooting them?

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  • RESTlet startup initialization deprecated?

    - by Chris Kaminski
    I'm trying to use the restlet.org library to build a RESTful web interface, and I've noticed that unlike it's servlet counterpart, it has no complement to GenericServlet.init(). Short of building another servlet to do my startup logic, is there any built-in way to avoid building my database factories and the like on the first request (and all the commensurate locking I'll have to do to avoid multiple initializations)?

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  • installer hanging during .net 4.5 framework install

    - by Niall Collins
    I am having trouble installing Visual studio 2012 Premium Edition. I kick off the installer for it but it hangs when installing .net 4.5 framework. I have left it for hours but there is no progression in the progress bar. I have downloaded the .net 4.5 framework separately and tried to install that from msi but that also hangs similarly. The only way to kill it is by killing the process. Any ideas how I could resolve this issue, or what I need to do to trouble shoot it further? Any tips?

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