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• HTTP Live Streaming Broadcast

  - by user761389

  I'm designing an app for streaming video from a device (e.g. iPhone) via a server to one or more devices and have been researching Apples HTTP Live Streaming protocol. One thing that isn't clear is whether it is possible to stream live video (with audio) to the server and then have it streamed simultaneously in real time to the client devices. From reading the documentation and technical notes from Apple it seems like the index file needs to be created before the segmented video files can be served to a client. Is this right? If so maybe HTTP Live Streaming isn't suitable in this case, what other technologies or software should I consider? Thanks

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• Show image in cell based on cell value

  - by JoeM

  I am creating a weekly income comparison table. I want to compare A5 and A10 cells and display appropriate image in B7 cell. The image will be either UP or DOWN arrow (which reflects increase or decrease). I've created a formula which puts text up or down in the cell, but I don't know how to replace it with the up/down image. =IF(D77>D69, "up", IF(D77<D69, "down")) How can I do it? I know it's possible. Note: I am using Google Docs Excel, so please let me know if this cannot be done in it, but I have to use the real Excel installed on my laptop.

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• What is the best way to compare vhost traffic?

  - by Bob Flemming

  Recently one of my servers has been subjected to malicious ddos attacks. I have about 12 websites hosted on the server which uses name based v-hosting. I am trying to identify which virtual host(s) are getting bombarded with traffic. I have used tools such as iftop which is good for identifying hosts which are consuming lots of bandwidth, and also apachetop which is useful for identifying which resources are being requested on a single v-host. What I really need is a tool which allows me to see the amount of traffic being received by each v-host in real time so I can easily see which v-host is being targeted. Does such a tool exist?

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• Roll standalone JBoss app under Tomcat

  - by Seva Alekseyev

  I've got a Linux box where there’s Tomcat running, with some JSP applications in it. Now, I’ve received a third party app from a developer shop to be eventually deployed. It came as an archive called "jboss7.tar" which, it seems, contained a whole standalone Web server. Once I’ve followed their instructions and run the designated shell script, it would start a server that would listen on port 8081, and app pages are being served up. Still, this strikes me as an inelegant setup. Why run two Web servers side by side, both of them Java-enabled? Also, the manual startup of the standalone app, I don't like that either. The real question is – can I take the user-provided portions from the said archive and somehow plug it under the existing Tomcat instance? It looks like the user code is packaged into files with .war extension, I can see them under /var/jboss7/standalone/deployments.

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• Why can't I extend the C: drive on Vista? Because I have Free Space to its right instead of Unalloca

  - by tzup

  Okay this is annoying! I have a C: drive that is the primary partition (bootable) that I would like to extend. In order to do that it seems like I need to have Unallocated Space to the right of the partition. Right now, I have "Free Space" to the right. How in the world do I make it Unallocated (not formatted)? There must be some command line utility to be able to do this. Please help!

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• How to host my own cloud so that videos are viewable via desktop web browser?

  - by jake9115

  I want to host my own cloud storage solution, something like Dropbox but entirely dependent on my own central machine. This way things are more secure if setup correctly, and there are artificial storage limitations or pay-walls. Some thing similar to ownCloud: http://owncloud.org/ There is one important feature I want to have: the ability the stream movies in a web browser from my personal cloud to anywhere in the world. In the past I tried this with a NAS, and I mapped XBMC to the NAS via SFTP, and certain media types could stream in this manner. I've also used things like PLEX. In this case, I am looking for a single solution for personal cloud storage and movie streaming from that cloud into a web browser. Does anyone know if this can be accomplished? Thanks for the suggestions!

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• Chrome browser rendering unpredictable mobile layout

  - by steve

  I am having a very hard time debugging this issue, I may as well find out if others have seen anything similar. I am finding that Webkit browsers are rendering extra space in a stacked menu I'm using for the mobile layout on a site I'm developing. The best way to describe this is with the following images: You can see that the is selected and shown with the padding. There is no margin, and yet there is some space between the top of the padding and the bottom border of the sibling. Here is how it is supposed to look in Firefox: I am interested to see if the community knows what in the world is going on! As I move through the inspector, I am not able to highlight the offending area, making this very hard to diagnose, as I've said.

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• Is a memory upgrade a viable option to fix performance issues? [closed]

  - by ratchet freak

  I'm currently seeing my PC getting bogged down by Firefox 11.0 alone with only one hundred tabs open. Resulting in a memory use of over 530M , VM size of over 800M and an insane amount of page faults (easily reaching 100 million over the course of the day). The PF delta during normal operation easily reaches 7k with peaks to 15k sometimes reaching over 20k. This leads to a (real) deterioration to response time when switching, opening and closing tabs, opening menus, typing, ... My question is: Am I right in assuming that plugging in more RAM (either adding 2x1GB or replacing the existing RAM with 2x2GB or 4x1GB) will solve this problem? My specs: Windows XP Home Edition SP3 (32 bit) Intel Core Duo 2,4 GHz 2x512MB RAM 800MHz DDR2 (dual channel) 4MB unified cache 320GB HDD Intel G33 (X3100) onboard graphics (no graphics card but PCI express x16 slot is available)

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• IIS7 - multiple ports for websites, some working, some not.

  - by glasnt

  I have multiple IIS7 websites hanging off 1 IP, using different ports. All three sites use Z.A.B.C:XX, where XX is {100, 200, 300} * There's no web.config settings not making :300 not work, the bindings are set ok. I can even change the ports so 200 becomes 300, but the original 300 still doesn't work. They are all shown by IP, so it's not DNS. There's no SSL setting differences between them. I can't see anything in metabase.xml that would make one behave differently to another. Are there any other settings in IIS7 that I might not be finding, that would fix the issue? * not the real values.

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• Automatically changing a power profile when a laptop (un)docks?

  - by Dan

  I'm looking for a way to automatically change what happens when I close my laptop's lid depending on if it's in its docking station or not. In an idea world, the on-close behavior would be nothing (when docked) and sleep (when un-docked), but there only seems to be options for behavior when plugged-in and when on battery (when it's plugged in but not docked, I'd like it to sleep when closed). My initial idea would be to create a new power profile with this behavior, but I can't find a way to have it switch when docked (or for the power system to take its docked status into account at all). Any idea?

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• Unable to delete a directory from NTFS drive: "Access is denied"

  - by EMP

  I'm running Windows XP Pro x64 SP2. I have a directory on an NTFS drive that was created by a Maven build. A subsequent build attempted to delete this directory and failed. I now get the error "Access is denied" whenever I try to do anything with that directory: change to it, delete it, rename it. This happens both in Windows Explorer and from a command prompt. The properties dialog in Windows Explorer doesn't even contain the Security tab. I created the directory, so I don't think this is truly a permissions issue. I've occasionally had this error happen in the past is well. I believe the error is misleading, but the question is: what is the real problem and how do I fix it?

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• Can I split one RAID1 partition in two?

  - by Prosys

  I have a linux box with CentOS 6.2 and a RAID1 (2x 2Tb) configuration: /dev/md1 -> / (10G) /dev/md2 -> /home (1.9T) I want to split the md2 in two different partitions, so I can get the following configuration: /dev/md1 -> / (10G) /dev/md2 -> /home (1T) /dev/md3 -> /example (900G) How can I achieve this? I already know that I can resize the partition, but that doesn't alter the real partition table (only the md device), so how can I do this?

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• How to keep memory consumption below 500 MB or less than 25 processes at background on netbook?

  - by overmann

  I bought a netbook yesterday, (I'm loving it) but I will never understand why they need to be a lot of processes running on background. I worry about other users who have no idea about it and continue using their computers with occasional choppiness due to 70 processes on background occupying most of the memory I'd like to keep my memory consumption below 500MB (I have 1 GB) is this possible? What are your ideas for this to work? I always run Microsoft Security Essentials at startup and real time protection, how many features can I disable to reach my goal memory usage?

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• Can you resize all mac windows at once? (e.g. when docking)

  - by Ian Varley

  I've recently bought a Henge Dock, and like the ability to plug my MacBook in and instantly reconnect to all my peripherals (external monitor, keyboard, mouse, etc.). The only problem is that when I dock or undock, all of my windows are left at the wrong size (either too big or too small) and I have to manually resize them, one by one. Not the end of the world, but ... isn't there an easier way? I've seen Cinch and Sizeup, but they seem to only work on one window (the current app). I looked at the Automator as a possible way to do this, but it didn't seem to have any window operations. I also tried the AppleScript listed here, but it put the windows in wacky places.

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• Making Windows 7 default to "All Files" when opening a document?

  - by krebshack

  I'm taking over an old coworkers job and part of that means I'll be working on various IFS tickets without any real ERP experience. I'm working with one user who is trying to check in documents in IFS. Right now, IFS defaults to JPEGs and then she has to select "All Files" in order find PDFs. Example: http://i.imgur.com/xK0iAfF.png As much as I'd like to say "it's one extra step, come on" the user's manager has insisted it interrupts her workflow and asked us to get on it. I've spoken with our IFS experts and they're unaware of any setting that would make the open dialog default to All Files in IFS. I've searched in Google for any setting in Windows 7 that would do that - but those have been unsuccessful - I keep getting results about changing which program opens a specific file type.

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• Cloning Fresh Windows 7 with external HDD, DVD or CDs?

  - by hhh

  I want to create Windows installation disk (not necessarily CD) from my Windows 7 Pro laptop, not sure what it actually means here. The material is about 50-60GB, requiring about 12 pcs of 5GB disk (not going to happen, too much work to use them later). I have the Windows serial on the laptop bottom and this is so-called firm -laptop (no idea what it actually mean, better warranty and some instant support thing apparently). Now how to do the clone with external material such as DVDs? how can I create mock-windows-installation medium or some real windows-installation medium? I am now not sure whether Windows offers W7 -installations medium online, well my W -peer mentioned some MSDAA -something. Perhaps related Cloning Fresh Windows 7 -fsed HDD to Linux Server because having no external HDD or disks for the Backup

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• Distributed filesystem across a slow link

  - by Jeff Ferland

  I have an image in my head where a link is too slow to realize the real-time transfer of files, but fast enough to catch up every day. What I'd like to see is a master <- master setup where when I write a file to Server A, the metadata will transfer to Server B immediately and the file will transfer at idle or immediately when Server B's client tries to read the file before Server A has sent it. It seems that there are many filesystems which can perform well over fast links, but I don't know of any that do well with a big bottle neck and a few hours of latency.

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• What does this error mean (Can't create TCP/IP socket (24))?

  - by user105196

  I have web server with OS RHEL 6.2 and Mysql 5.5.23 on another server and the web server can read from Mysql server without problem, but some time I got this error: [Sun Sep 23 06:13:07 2012] [error] [client XXXXX] DBI connect('XXXX:192.168.1.2:3306','XXX',...) failed: Can't create TCP/IP socket (24) at /var/www/html/file.pm line 199. my question : What does this error mean (Can't create TCP/IP socket (24))? is it OS error or Mysql error ? perl -v This is perl, v5.10.1 (*) built for x86_64-linux-thread-multi mysql -V mysql Ver 14.14 Distrib 5.5.23, for Linux (x86_64) using readline 5.1 su - mysql -s /bin/bash -c 'ulimit -a' core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 127220 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 1024 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited

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• MySql transfer / update (a bit specific)

  - by Jeff

  before posting I was digging whole site but didn't find help for my problem, so I hope someone will help... Facts: 30 Gb mysql database on remote server (about 20.000.000 rows) data are once weekly updated in local network (mysql) I need to transfer/replace local updated database with remote connection is about 2mb (real mb, not mbps) up/down Point is that I can't have 'down time' of remote mysql server. Until now I Tried: navicat data sync - Ok, but take about 3 days to finish dbForge - ok but need 5 days to finish mysql dump transfer to remote server and execution - about day, but a lot of downtime rsync folder with database /mysql/lib/MY_DATABASE - 4 hours, but after that I need to execute always 'repir on remote server' which takes about 2 hours, and a lot of down time mysql dump piped from cl to directly goto server - still now satisfied many problems I could give you more things that I tried... mysql replication - slow Anyase, what is best,best way to: refresh remote mysql on weekly level and in same time to have 0 sec down time nor huge server load If you have any idea please share

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• Graphing per-user CPU usage on a Linux machine

  - by mart1n

  I want to graph (graphical output would be great, i.e. a .png file) the following situation: I have users A, B, and C. I limit their resources so that when all users run a CPU intensive task at the same time, those processes will use 25%, 25%, and 50% of CPU. I know I can get the real-time stats using top but have no idea what to do with them. I've searched through the huge top man page but haven't found much on the subject of outputting data that can be graphed. Ideally, the graph would show a span of maybe 30 seconds. Any ideas how to achieve this?

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• DAW with realtime pitchshifting

  - by monov

  I'm very happy with Renoise but it has a problem, it can't do realtime pitchshifting. For example, consider a breakbreat which I want to trigger at different pitches sometimes. Like I keep 'Q' pressed for a 'C' pitch, but then I press 'B' for a lower pitch. In Renoise the resulting beat is not only lower pitch, but also longer/slower. I want it to be the same speed, just a different pitch. I've been doing this externally in Audacity, then keeping a couple of different pitched versions in Renoise but that's tedious. Or consider a melodic segment snipped from a song into a sample. Say I want to play it simultaneously in its real pitch and 5 semitones higher, so it forms a sort of chord effect. Again, no easy way to do this in renoise. Is there a DAW app that does that kind of thing? I've heard of ableton live, it has 'live' in the name so maybe it can do it?

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• 502 errors with apache mod_proxy hot standby (or equivalent)

  - by 6million

  Anyone knows how to configure the hot standby (+H) mod_proxy feature so that the takeover occurs immediately (without even one user receiving a 502) error during a shutdown? We aren't looking for real load-balancing, we just want a secondary server to take over while we shutdown the primary. The problem is that whenever the primary goes down, I'm able to slip one invalid request resulting in a 502 HTTP error reaching the end user,before the secondary actually takes over. Listen 80 <VirtualHost 127.0.0.1:80> ServerName domain.com ProxyPass / balancer://balance/ <Proxy balancer://balance/> BalancerMember http://primary_ip:80 BalancerMember http://secondary_ip:80 status=+H </Proxy> </VirtualHost>

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• Windows 8: Multiple monitors with varying DPI? [closed]

  - by Sid

  Possible Duplicate: Dual monitors on Windows - How do I set a different DPI or text size on each monitor? I'm running Windows 8 on my Macbook Pro Retina (220dpi) which has an external 24" monitor (~96 dpi). In Mac OS 10.8.2, the display settings seem ok and I can actually use both displays without usability issues. I don't know what scaling settings etc it uses but it looks fine. On Windows 8, however when I boost the DPI settings to take advantage of the retina display, it blows up the display on the external monitor - text is giant sized. How can I tell Windows 8 to use the real DPI settings of each monitor? NOTE: I'm not asking for Windows 7.

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• Custom host file for Firefox

  - by acidzombie24

  Instead of changing my host file I'd like Firefox to think my domain is on my own server while my other browser uses the real IP address. I used to edit my host files but that forces both browsers to change the IP address. I found change host, but it doesn't appear to use the alternative host file. I also saw a comment asking when it will work on Firefox 6+. I tried Host Admin and it fails. It works but the alternative IP address must be in your host file already (which I don't want) and it lets you deselect a domain so the host file is ignored which is not what I want.

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• is using Hosts for resolving a sql-server more performant?

  - by Ice

  Hi, we have a legacy application which uses a access.mdb with hundreds of ODBC-connected tables on a sql-server. the access.mdb contains nothing else than these odbc-connections. Now we consider to use a virtual sql-servername for these odbc connections and resolve it in the local hosts-file with the ip-address of the real sql-server. Like this we can easy switch between a test-sql-database server and the the server for production in changing one single entry in the hosts. EVERYTHING works fine and now comes the question: Could it be that this is more performant because there is one single point on resolving the sql-server (name or ip-address)? Is there something like a network-cache / DNS-Cache? peace Ice

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