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  • Which flash server i should use for flash chat with a lot of instant users?

    - by Almas Adilbek
    I'm currently developing flash chat for social networking websites like facebook. Actually i want to develope flash chat in this game. Chat would have a lot of instant active users. So that, i need to know which flash servers i should use, is there any free ones that are pretty good for such high performance needs? I've found ElectroServer4 Professional. Is it enough for my task? Thank you

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  • How is a Chromebook better than using Chrome browser on another OS?

    - by bigpopakap
    I'm looking into getting a Chromebook as a lightweight device to use for basic functions. I'm fully aware of some of the limitations like no native apps, limited functionality while offline (though this is getting better with Google Drive's offline capabilities). Currently, I have a Windows machine on which I've installed Google Drive, so files in that folder are synced. And I use Chrome as my browser. So I have access to all the same apps (Drive, Calendar, Gmail, Google Music, etc.). Is there any advantage to having a Chromebook over my current setup, other than the speed of the lightweight Chrome OS?

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  • Best of both worlds: browser and desktop game?

    - by Ricket
    When considering a platform for a game, I've decided on multi-platform (Win/Lin/Mac) but can't make up my mind as far as browser vs. desktop. As I'm not all too far in development, and now having second thoughts, I'd like your opinion! Browser-based games using Java applets: market penetration is reasonably high (for version 6, it's somewhere around 60% I believe?) using JOGL, 3D performance/quality is decent; certainly good enough to render the crappy 3D graphics that I make there's the (small?) possibility of porting something to Android great for an audience of gamers who switch computers often; can sit down at any computer, load a webpage and play it also great for casual gamers or less knowledgeable gamers who are quite happy with playing games in a browser but don't want to install more things to their computer written in a high-level language which I am more familiar with than C++ - but at the same time, I would like to improve my skills with C++ as it is probably where I am headed in the game industry once I get out of school... easier update process: reload the page. Desktop games using good ol' C++ and OpenGL 100% market penetration, assuming complete cross-platform; however, that number reduces when you consider how many people will go through downloading and installing an executable compared to just browsing to a webpage and hitting "yes" to a security warning. more trouble to maintain the cross-platform; but again, for learning purposes I would embrace the challenge and the knowledge I would gain better performance all around true full screen, whereas browser games often struggle with smooth full screen graphics (especially on Linux, in my experience) can take advantage of distribution platforms such as Steam more likely to be considered a "real" game, whereas browser and Java games are often dismissed as not being real games and therefore not played by "hardcore gamers" installer can be large; don't have to worry so much about download times Is there a way to have the best of both worlds? I love Java applets, but I also really like the reasons to write a desktop game. I don't want to constantly port everything between a Java applet project and a C++ project; that would be twice the work! Unity chose to write their own web player plugin. I don't like this, because I am one of the people that will not install their web player for anything, and I don't see myself being able to convince my audience to install a browser plugin. What are my options? Are there other examples out there besides Unity, of games that have browser and desktop versions? Did I leave out anything in the pro/con lists above?

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  • How do I usb tether my Cyanogen modded G1's internet connection to my Toshiba Tecra 8000 running Xubuntu?

    - by atticus
    I have usb-tethering enabled in my phone. It works fine with Vista. When I plug my phone into my Tecra 8000 laptop running Xubuntu, dmesg shows: "usb 1-1: new full speed USB device using uhci_hcd and address 8". I see that the OS has detected it as a storage device, but I can't get it to function correctly as a network device. /dev/us* shows no usb0, but it does show /dev/usbdev1.1_ep00 /dev/usbdev1.1_ep81 /dev/usbdev1.8_ep00 ... usbdev1.8_ep83 I could just use the wireless tether app for android, but I can't get my Netgear wg511 v2 (made in China) wireless card to work in this laptop either. But that's another post for later.

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  • Cannot export a fusionchart with 'Embedding Charts Using <OBJECT>/<EMBED> Tags'

    - by zoom_pat277
    I am trying to export a fusion chart created using 'Embedding Charts Using / Tags'. Export works just perfect with the right click (on the chart) and chose a pdf to export. But I am not able to make this work via javascript. I have a button outside the chart which upon clicking calls the function below function myexport() { var object = getChartFromId('myChartid'); if( object.hasRendered() ) object.exportChart({exportFormat: 'PDF'}); } the object above returned is null and this fails on the next line here is the full prototype <html> <head> <title>My Chart</title> <script type="text/javascript" src="fusionCharts.debug.js"></script> <script type="text/javascript" src="fusionChartsExportComponent.js"></script> <script type="text/javascript"> function ExportMyChart() { var cObject = getChartFromId('Column3D'); if( cObject.hasRendered() ) cObject.exportChart({exportFormat: 'PDF'}); } </script> </head> <body> <object width="400" height="400" id="Column3D" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" > <param name="testname" value="Column3D.swf" /> <param name="FlashVars" value="&dataURL=testData.xml&chartWidth=400&chartHeight=300&DOMId=myChart1&registerWithJS=1&debugMode=0"> <param name="quality" value="high" /> <embed src="Column3D.swf" flashVars="&dataURL=testData.xml&chartWidth=400&chartHeight=300&DOMId=myChart1&registerWithJS=1&debugMode=0" width="400" height="300" name="Column3D" quality="high" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /> </object> <!-- We also create a DIV to contain the FusionCharts client-side exporter component --> <div id="holderDiv" align="center">FusionCharts Export Handler Component</div> <script type="text/javascript"> var myExportComponent = new FusionChartsExportObject("testExporter1", "FCExporter.swf"); //Render the exporter SWF in our DIV fcexpDiv myExportComponent.Render("holderDiv"); </script> <input type="button" value="Export My Chart" onclick="ExportMyChart()" />

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  • Inexpensive degaussers or HDD shredders?

    - by Nicholas Knight
    I do a lot of work for a small cash-strapped business that has a lot of active hard drives, most are consumer-grade SATA of about five years of age, and predictably they are dying at an increasing rate, and a lot of the time they can't even be detected, let alone complete a zero-out cycle. Right now those drives are just being stored, but that can't continue forever. We've got a couple bad LTO tapes it'd be nice to deal with, too. There are very real security and legal issues that make dropping them off with someone who claims they'll be properly destroyed a gamble. I've looked around at degaussers and HDD shredders, and the ones that don't look like they come from some guy in his basement all seem to be $3000+, which is hard to swallow right now. Is there anything out there in the $500-1500 range that you would recommend? (Speed isn't a big issue, if it takes several minutes or even hours per drive, that's completely OK, we've only got 10 or so thus far.)

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  • 10 System LAN latency with ADSL modem as gateway

    - by itsoft3g
    Recently I expanded LAN in my office from 3 to 10 computers. Structure star topology, one ADSL Modem connected to One Switch which is again connected to 10 computers. Also we have Wifi device Netgear which is connected from switch. ADSL Modem acts as the DHCP Server, all the system will have default gateway IP (ADSL Modem's IP) Network latency is now become very high, All the chat severs disconnect often like google talk, skype etc, also internet become very very slow. when all the computer turned on. We have 4 Mbps Download and 100 Kbps upload Net speed. Its look like ADSL Modem cannot able to handle all the connections. I tried to setup a system as default gateway which will connect to modem, not sure how to do this. Please advice on this.

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  • how to design network for connectivity between private and corporate LANs?

    - by maruti
    there is a bunch of servers connected to shared storage in a private LAN (10.x.x.x). this privateLAN is managed by a windows server (DHCP, DNS and directory services) these hosts need to be from outside of the datacenter Eg. Remote desktop. can the NIC2 on each of the hosts be connected to the other public LAN (compromising speed or security? what are improtant considerations: additional hardware? like switches? routing&DNS software? currently available hardware : Dell Powerconnect 6224 switch .... planning this for storage network. software: windows 2003 server for DHCP, DNS, A/D ? would it be more flexible to use Linux distributions like IPCOP, Untangle etc? all that I am looking for is good isolation between private and other networks, avoid DHCP, DNS, AD clashes.

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  • Has anyone experienced "Screen Painting" issues with RealVNC?

    - by cybersylum
    I've just setup remote access to a Windows XP box using RealVNC. When the user runs an app, they expierence issues with "screen painting" - the screen doesn't paint well, except for a radius around the mouse cursor. The app is displaying a calendar. I am not sure what it is written in (think it is a .NET app) Have no problems getting/staying connected. Initially it seemed to be working fine. I have looked through all of the settings as far as compression and speed. I can replicate the issue from more than 1 location. The hosting Internet connection is DSL.

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  • How to redirect an application's connection through a Socks5/SSH/HTTPS tunnel? Any recomendations of

    - by Pai Gaudêncio
    I need to tunnel the connections (mostly TCP) made by an application through Socks5, SSH or HTTPS. So far, I've found 3 ways to do this: api hooks, winsock lsp and a driver. I'm looking for advice on the best way to handle this, and any recommendations on SDK's that could abstract this task for me (free/open-source preferred, but commercial ones are welcome as long as the price is not high for a one-man-starting-company to afford). ps. I'm using .Net (C# and-or C++/CLI)

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  • Recurring network issues the same time every day.

    - by Peter Turner
    Something has been happening on my company's network at 9:30 every day. I'm not the sysadmin but he's not a ServerFault guy so I'm not privy to every aspect of the network but I can ask questions if follow up is needed. The symptoms are the following : Sluggish network and download speed (I don't notice it, but others do) 3Com phones start ringing without having people on the other end. We've got the following ports exposed to the public for a web server, a few other ports for communicating with our clients for tech support and a VPN. We've got a Cisco ASA blocking everything else. We've got a smallish network (less than 50 computers/vms on at any time). An Active Directory server and a few VM servers. We host our own mail server too. I'm thinking the problem is internal, but what's a good way to figure out where it's coming from?

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  • How can I combine non-identical disks efficiently?

    - by Odys
    There are some not-identical disk of various capacities that I want to combine (somehow). Since there are no duplicate models, I can't use raid between none of them. Is there a way to use them efficiently while being safe? What I have in mind is a software that will use them as if it were Raid-5 or something. I really don't care about max speed. I want in the end to have as less logical drives as possible. Also, I don't mind spending some money on hardware, if needed.

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  • A space-efficient guest filesystem for grow-as-needed virtual disks ?

    - by Steve Schnepp
    A common practice is to use non-preallocated virtual disks. Since they only grow as needed, it makes them perfect for fast backup, overallocation and creation speed. Since file systems are usually based on physical disks they have the tendency to use the whole area available1 in order to increase the speed2 or reliability3. I'm searching a filesystem that does the exact opposite : try to touch the minimum blocks need by an aggressive block reuse. I would happily trade some performance for space usage. There is already a similar question, but it is rather general. I have very specific goal : space-efficiency. 1. Like page caching uses all the free physical memory 2. Canonical example : online defragmentation 3. Canonical example : snapshotting

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  • Can SHA-1 algorithm be computed on a stream? With low memory footprint?

    - by raoulsson
    I am looking for a way to compute SHA-1 checksums of very large files without having to fully load them into memory at once. I don't know the details of the SHA-1 implementation and therefore would like to know if it is even possible to do that. If you know the SAX XML parser, then what I look for would be something similar: Computing the SHA-1 checksum by only always loading a small part into memory at a time. All the examples I found, at least in Java, always depend on fully loading the file/byte array/string into memory. If you even know implementations (any language), then please let me know!

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  • Has the role of the Business Analyst become redundant on true Agile projects?

    - by Joanne
    On a truely agile project where the business is performing the role of the product owner, is there still a role for the Business Analyst? The product owner would do the functional testing as soon as the user story is developed and document and prioritise the user stories. In this case which I must add I haven't experienced yet and with high performing, self motivated developers I am struggling to see the role of the traditional business analyst?

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  • How can I use Amazon's API in PHP to search for books?

    - by TerranRich
    I'm working on a Facebook app for book sharing, reviewing, and recommendations. I've scoured the web, searched Google using every search phrase I could think of, but I could not find any tutorials on how to access the Amazon.com API for book information. I signed up for an AWS account, but even the tutorials on their website didn't help me one bit. They're all geared toward using cloud computing for file storage and processing, but that's not what I want. I just want to access their API to search info on books. Kind of like how http://openlibrary.org/ does it, where it's a simple URL call to get information on a book (but their databases aren't nearly as populated as Amazon's). Why is it so damned hard to find the information I need on Amazon's AWS site? If anybody could help, I would greatly appreciate it.

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  • PC reboots spontaenously: debugging tips

    - by aaron
    I swapped my core 2 duo for a quad core recently, and generally things run fine, but every now and then my computer just restarts. I don't even get a blue screen (Vista 32). Core temp isn't a problem. My thinking is that my power supply is inadequate, but I haven't been able to test that (one idea was to under clock the cpu to see if that helped, but going up in speed was the only simple thing to do in the BIOS) Two cases where I semi-consistanly get problems: - Borderlands windowed after some period of time (and some other games, but Borderlands does it pretty regularly) - watching a video (e.g. quicktime/vlc) and having another video running Another thought is non-cpu heat? Maybe the graphics card? Any thoughts on how to track this down appreciated. Thanks!

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  • What is the best filesystem for storing thousands of files in one dictionary-like id-blob structure?

    - by Ivan
    What filesystem best suits my needs? Thousands or even millions of files in one directory. Good (ext4 & ntfs level or close) reliability (incl. fault tolerance) and access speed. No directories actually needed, as well as descriptive names, just a dictionary-like structure of id-blob pairs is all I need. No links, attributes, and access control features needed. The purpose is a file storage where all the metadata (data describing all the facts about what the file actually contains and who can access it) is stored in a MySQL database. As far as I know common filesystems like NTFS and ext3/4 can go dead-slow if there are too many files placed in one directory - that's why I ask.

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  • Will I have internet connection issues next day, if I unplug router at night?

    - by headskracher77
    I did this regularly a few years ago and used to feel like I was 'being punished' by the Interent svc provider for disabling access to my computer, because trying to re-connect the next day became a constant pain. I have the same linksys router, a comcast modem, and hi-speed broadband through their LAN. Question: who or what is at fault for lousy internet connections, slow connections, or no connections: (everybody's tech dept. blames everybody else) The router? 10 year olds, maybe obsolete? The modem? came with the service plan - can connect three devices on a sharedconnection. The ISP: I read they not only even control and completely regulate bandwidth usage, but they also ration it!! (true?) So can I safely 'pull the plug' each night for security or not? thnx

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  • Efficiently compute the row sums of a 3d array in R

    - by Gavin Simpson
    Consider the array a: > a <- array(c(1:9, 1:9), c(3,3,2)) > a , , 1 [,1] [,2] [,3] [1,] 1 4 7 [2,] 2 5 8 [3,] 3 6 9 , , 2 [,1] [,2] [,3] [1,] 1 4 7 [2,] 2 5 8 [3,] 3 6 9 How do we efficiently compute the row sums of the matrices indexed by the third dimension, such that the result is: [,1] [,2] [1,] 12 12 [2,] 15 15 [3,] 18 18 ?? The column sums are easy via the 'dims' argument of colSums(): > colSums(a, dims = 1) but I cannot find a way to use rowSums() on the array to achieve the desired result, as it has a different interpretation of 'dims' to that of colSums(). It is simple to compute the desired row sums using: > apply(a, 3, rowSums) [,1] [,2] [1,] 12 12 [2,] 15 15 [3,] 18 18 but that is just hiding the loop. Are there other efficient, truly vectorised, ways of computing the required row sums?

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  • RAID 1 not performing as expected

    - by Faken
    I recently bought a new 320Gb hard drive for my computer to set up RAID 1 on it for some added security. Installation went as smooth as could possibly be (plug in power, plug in data cable, start up computer, Intel software recognized new drive, right click create RAID 1, done!). However, for some inexplicable reason, I seem to have strange test results when using BENCH32. On my old configuration, a single 7200 rpm drive, I achieved about 60 MB/s write and 70 MB/s read. With a new RAID 1 configuration, I would expect the write to be slightly diminished but read to be significantly improved (though not exactly double speed). However, with the new configuration, I am getting 90 MB/s write and only about 80 MB/s read. I should NOT be getting improved write performance, especially NOT better than read! What's going on? My system setup is: q6600 2.4ghz CPU 4Gb DDR2 667mhz RAM on board Intel ICH9R "RAID chip" 2x Seagate 7200 RPM 320GB drives in RAID 1 Widows 7 home premium 64-bit

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