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  • Is it a good approach to rely on 3rd party software ( not library )?

    - by gunbuster363
    We have program using a call to a winzip program or 7zip commandline tool to zip some files. Once I accidentally uninstall winzip on my computer and making one of our program( created by the programmer already left ) crashed. So we cannot uninstall the winzip program. Now I've come to a point which I need to decide a external tool for gzip in windows or I make a java program which I can call to gzip the file. Obviously a external tool such as 7z is convenient and we can avoid some extra coding with java. On the contrary, if 7z is uninstalled accidentally, our program will crash. What do you think?

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  • Is there a library that handles hexagon tiled 2D maps?

    - by Pete Mancini
    It would represent a map that is semi-square of arbitrary size. It would have a simple system for representation of the map coordinates such as 0101 (first column, 1st hex). I'd want the map to be able to tell me the distance between two points, and what other hexes lay between those two points as a list or array. I don't care as much about the language but c# or python would be ideal. Does one exist?

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  • Restricting access to a subdirectory on linux

    - by David
    I'm looking for a way to make a directory accessible only to its parent directories. That is, suppose you have two directories, A and B, at the same level in the file hierarchy. Now suppose that you have a directory A' which is a subdirectory of A. I'd like to enforce that A is able to access the contents of A' but B is not. My problem is that I'd like to use a library (directory A) which builds on top of a legacy version of another library (directory A'). At the same time, I want to be able to use the newest version of this legacy library (directory B). I want to make sure that people aren't somehow using library A and linking against new library B by enforcing that library A must use library A'. I could just link A against library B, but then I'm risking compatibility.

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  • Any frameworks or library allow me to run large amount of concurrent jobs schedully?

    - by Yoga
    Are there any high level programming frameworks that allow me to run large amount of concurrent jobs schedully? e.g. I have 100K of urls need to check their uptime every 5 minutes Definitely I can write a program to handle this, but then I need to handle concurrency, queuing, error handling, system throttling, job distribution etc. Will there be a framework that I only focus on a particular job (i.e. the ping task) and the system will take care of the scaling and error handling for me? I am open to any language.

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  • What is the recommended library for using Lua from C++?

    - by DevilWithin
    I am currently planning how to integrate Lua scripting in my 2D Game Engine, and i would like to go straight to the most adequate solution for having C++ classes and objects exposed. I've read this (if it helps you help): http://lua-users.org/wiki/BindingCodeToLua If you have a better scripting language to recomend, go for it ;D All help is welcome, i need to pickup the best solution to start implementing Thanks

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  • What is the recommended library for using Lua from C++?

    - by DevilWithin
    I am currently planning how to integrate Lua scripting in my 2D Game Engine, and i would like to go straight to the most adequate solution for having C++ classes and objects exposed. I've read this (if it helps you help): http://lua-users.org/wiki/BindingCodeToLua If you have a better scripting language to recomend, go for it ;D All help is welcome, i need to pickup the best solution to start implementing Thanks

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  • I wan't to make PC for library. And have some problem ))

    - by Doroff
    I use Ubuntu 12.04. For make .desktop I used this instructions: http://www.instructables.com/id/Setting-Up-Ubuntu-as-a-Kiosk-Web-Appliance/step4/Set-up-Chromium/ 1 problem: No users can't download kiosk.desktop - they download ubuntu.desktop and change that properties in home/user/.dmrc . How can I fix that problem? Once I put all properties that I maked for kiosk.desktop into ubuntu.desktop and it's start work...but on every created users, and after I reinstalled system. 2 problem: Can I write in .desktop which program users can use? If yes-how? 3 problem: Which programm is better to use in proxy for Ubuntu 12.04? Sorry for my english and thanks Yuri

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  • Is there a certain way that I have to include a library and it's license?

    - by leaf68
    I know this may be a dumb question, but I'm only 15 so I don't really know how the legal part of it works. When I choose a .dll to be included in my project, Visual Studio only includes the .dll file with my project (of course) so I just copy the license and stick it in a folder called licenses. But now, I'm going to be making a program for a contest so I need to make sure I have the licenses done right or I'll get disqualified. So is there any specific location I have to keep the licenses in my project, is there a way for Visual Studio to automatically copy the license the way it does with .dll files and is there anything else I have to watch out for legally? PS: If it matters the libraries I'm planning on using right now are WriteableBitmapEx and AvalonDock Thanks

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  • Linux software RAID6: 3 drives offline - how to force online?

    - by Ole Tange
    This is similar to 3 drives fell out of Raid6 mdadm - rebuilding? except that it is not due to a failing cable. Instead the 3rd drive fell offline during rebuild of another drive. The drive failed with: kernel: end_request: I/O error, dev sdc, sector 293732432 kernel: md/raid:md0: read error not correctable (sector 293734224 on sdc). After rebooting both these sectors and the sectors around them are fine. This leads me to believe the error is intermittent and thus the device simply took too long to error correct the sector and remap it. I expect that no data was written to the RAID after it failed. Therefore I hope that if I can kick the last failing device online that the RAID is fine and that the xfs_filesystem is OK, maybe with a few missing recent files. Taking a backup of the disks in the RAID takes 24 hours, so I would prefer that the solution works the first time. I have therefore set up a test scenario: export PRE=3 parallel dd if=/dev/zero of=/tmp/raid${PRE}{} bs=1k count=1000k ::: 1 2 3 4 5 parallel mknod /dev/loop${PRE}{} b 7 ${PRE}{} \; losetup /dev/loop${PRE}{} /tmp/raid${PRE}{} ::: 1 2 3 4 5 mdadm --create /dev/md$PRE -c 4096 --level=6 --raid-devices=5 /dev/loop${PRE}[12345] cat /proc/mdstat mkfs.xfs -f /dev/md$PRE mkdir -p /mnt/disk2 umount -l /mnt/disk2 mount /dev/md$PRE /mnt/disk2 seq 1000 | parallel -j1 mkdir -p /mnt/disk2/{}\;cp /bin/* /mnt/disk2/{}\;sleep 0.5 & mdadm --fail /dev/md$PRE /dev/loop${PRE}3 /dev/loop${PRE}4 cat /proc/mdstat # Assume reboot so no process is using the dir kill %1; sync & kill %1; sync & # Force fail one too many mdadm --fail /dev/md$PRE /dev/loop${PRE}1 parallel --tag -k mdadm -E ::: /dev/loop${PRE}? | grep Upda # loop 2,5 are newest. loop1 almost newest => force add loop1 Next step is to add loop1 back - and this is where I am stuck. After that do a xfs-consistency check. When that works, check that the solution also works on real devices (such a 4 USB sticks).

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  • How to setup debian/control to force updating a library?

    - by LovinBuntu
    This question is aimed at PPA/packages maintainers. I have a PPA with 2 packages: mypackage (currently version 1~ppa1~quantal) mypackagelib (currently version 1~ppa1~quantal) Currently, the control file of mypackage has: Depends: mypackagelib I want to update the 2 packages to version '2' (mypackage version 2 and mypackagelib version 2). How can I make sure that the 2 packages will be updated when the user updates 'mypackage' ? FYI, changing the 'Depends' field to: Depends: mypackagelib (>= 2) does NOT work, and returns the following error: mypackage : Depends: mypackagelib (>= 2) but mypackagelib-2~ppa1~quantal is to be installed

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  • Does similar Titles considered duplicates relating to SEO

    - by Uri
    I have built a testing service and I wonder if I should be concerned that search engines will consider similar titles as duplicates. For example: Some URLs title can be differed from others by only one word such as "Senior" and "Junior" Title A: C++ Online Test for Juniors Title B: C++ Online Test for Seniors Another example is with the "+" sign: Title A: C Standard Library Online Test for Seniors Title B: C++ Standard Library Online Test for Seniors Should I assume search engines will understand there is a difference in the titles? And the titles are not duplicated?

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  • How do you usually manage callbacks in Java using Swing library?

    - by none
    I'm quite new to the Java Swing programming, and GUI development as well. As a beginner, I'm currently reading Design Pattern, but finding what I'm looking for is quite hard, most of the times. So far, I've never had huge problems defining a view hierarchy - I just use to subclass component from component. But the hard-to-do here is how managing callbacks, which often become hard to maintain due to the hard code. During my last projects, I tried to separate GUI, Listener and Callbacker objects which cooperated together, but in this way it was really hard adding new features. So, which kind of best patterns or best practices do you tend to use when trying to maintain, add new features or even worst avoid to hard-code classes which manage callbacks method in this kind of frameworks (mainly Java Swing)?

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  • Can I exclude files from Rhythmbox library by filetype?

    - by user69245
    I use Band-in-a-box ("BIAB") to create backing tracks to practice my guitar-playing, and keep the source files (filetype .MGU) created by BIAB in the same folder as the MP3 files derived from them. Because I share this folder with colleagues via Dropbox, I'm not in a position to move the .MGU files elsewhere. Every time I start Rhythmbox ("RB") it checks my music folders, and reports "Import Errors" on all the .MGU files. RB apparently ignores a number of unplayable filetypes in music folders - is there a way of adding .MGU to this group? I know I can just ignore the Import Errors, but one of these days there will be an error I would have wanted to know about.

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  • Sexy SEO Gets You Noticed

    Your online success crucially depends on lead generation from your online marketing campaigns, which generally require serious keyword research. Of course any business relies on developing positive relationships with customers, but the other side of your online visibility is getting yourself noticed online and becoming 'sexy' to the search engines.

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  • Online voice chat: Why client-server model vs. peer-to-peer model?

    - by sstallings
    I am adding online voice chat to a Silverlight app. I've been reviewing current apps, services and SDKs found thru online searches and forums. I'm finding that the majority of these implement a client-server (C/S) model and I'm trying to understand why that model versus a peer-to-peer (PTP) model. To me PTP would be preferable because going direct between peers would be more efficient (fewer IP hops and no processing along the way by a server computer) and no need for a server and its costs and dependencies. I found some products offer the ability to switch from PTP to C/S if the PTP proves insufficient. As I thought more about it, I could see that C/S could be better if there are more than two peers involved in a conversation, then the server (supposedly with more bandwidth) could do a better job of relaying each peers outgoing traffic to the multiple other peers. In C/S many-to-many voice chatting, each peer's upstream broadband (which is where the bottleneck inherently is) would only have to carry each item of voice traffic once, then the server would use its superior bandwidth to relay the message to the multiple other peers. But, in a situation with one-on-one voice chatting it seems that PTP would be best. A server would not reduce each of the two peer's bandwidth requirements and would only add unnecessary overhead, dependency and cost. In one-on-one voice chatting: Am I mistaken on anything above? Would peer-to-peer be best? Would a server provide anything of value that could not be provided by a client-only program? Is there anything else that I should be taking into consideration? And lastly, can you recommend any Silverlight PTP or C/S voice chat products? Thanks in advance for any info.

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  • FogBugz On Demand + online source control at low/no cost?

    - by quux
    I have a project in the free hosted FogBugz On Demand (FOD) product right now. This is great for feature/issue tracking. But I've been working from a codebase that is solely on my development machine. I'd like to collaborate with another guy who is thousands of miles from me. So we need a source control solution (SCM)! I use Visual Studio (2005, but can upgrade to later versions as needed). I am aware that FogBugz can integrate with a number of source control systems. So now the question is: which online SCM products can integrate well with FOD and VS? And which ones do so well at low or no cost, for a small code repository. And where might I find a proven recipe for putting this together. I'm open to other solutions which provide the same functionality. Please don't suggest Trac - I regard it highly, but I want the features of FOB (especially the evidence based scheduling) in my issue tracking solution. So really, I need to combine FOB + VS + some online SCM product into a low or no cost solution for two coders to collaborate on.

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  • How to develop Online Shopping Portal Application using PHP ?

    - by Sarang
    I do not know PHP & I have to develop a Shopping Portal with following Definition : Scenario: Online Shopping Portal XYZ.com wants to create an online shopping portal for managing its registered customers and their shopping. The customers need to register themselves first before they do shopping using the shopping portal. However, everyone, whether registered or not, can view the various products along with the prices listed in the portal. The registered customers, after logging in, are allowed to place order for one or more products from the products listed in the portal. Once the order is placed, the customer gets a reference order number and the order status should be “order in process”. The customers can track their order using the given reference number. The management of XYZ.com should be able to modify the order status of a particular reference order number to “shipped” once the products are shipped to the shipping address entered by the customer at the time of placing the order. The Functionalities required are : Create the interface for the XYZ.com shopping portal using HTML/XHTML and CSS. Implement the client side validations using JavaScript. Create the tables using MySQL. Implement the functionality using the server side scripting language, PHP. Integrate all the above tasks and make the XYZ.com shopping portal functional. How do I develop this application with following proper steps of development ?

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  • PHP PDF library with unicode support. anybody??

    - by soden
    I tried dompdf. Its a lot easier than the other libraries but it doesnt have unicode support. Well it has unicode support but requires another library calld PDFLib ($1k version). so just wondering if anybodies ever stumbled upon or used any PHP pdf library which is easy to use and has unicode support. thanks,

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  • I'm referencing an WiX extension in a WiX library project -- how do I avoid having to reference this

    - by arathorn
    I'm referencing a WiX extension in a WiX library project. This WiX library project is itself referenced by my main WiX MSI project. Why does the main project have to also reference the WiX extension, even though it doesn't directly need it? I'd like to keep my wixlib's as self-contained as possible, so that other projects that use them don't need to know about their inner workings. I'm using latest stable release of WiX (3.0.x).

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  • Linux cc compliation of library in directory within project?

    - by leeand00
    My directory structure looks like the following: -xmllib -libxml++-1.0.a -main.cc ..and I issue the command: cc -lstdc++ -L./xmllib -llibxml++-1.0.a main.cc But then it tells me that it can't find the binary for the library...even though I issued the command from the root directory. /usr/bin/ld: cannot find -llibxml++-1.0.a main.cc collect2: ld returned 1 exit status Is there any reason why cc can't find the binary library? I'm using cc version 2.96 (yes, it's old).

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