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Wifi doesn't connect if I'm upstairs

- by user11233

Hello there, I'm finding that Wifi connects when I'm in the living room, where the internet router etc is. But if I try to connect upstairs it is a no go. Booting in Windows 7 (dual boot :D ) I find that Wifi connects. I find this very confusing and have it since the install. Please help! Kind regards. #sudo lshw -c network *-network description: Wireless interface product: PRO/Wireless 5100 AGN [Shiloh] Network Connection vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: wlan0 version: 00 serial: 00:21:5d:1a:63:58 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlagn driverversion=2.6.35-26-generic firmware=8.24.2.12 ip=10.0.0.4 latency=0 link=yes multicast=yes wireless=IEEE 802.11abg resources: irq:49 memory:de200000-de201fff Hope it helps! Hello guys, just tried to connect internet upstairs and to my surprise it does connect. Don't know exactly why. Only thing I've done recently is input the codes said bij Oli. Two things I've done on my own 1: installed Jupiter and 2: installed laptop-mode-tools. I really don't know if this can effect my internet but it's the only thing I can think of. Thanks for all the help, really appreciate it :) PS If someone thinks it might be helpful for others I would like to help find a 'real' solution to this problem. Just post down what I need to post here and I will try my best to help.

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Oracle HRMS API - Hire Into Job

- by PRajkumar

API - hr_employee_api.hire_into_job Example -- Consider a Contact for some employee already exist in Oracle System. Now that Contact has got Job, so his Person type should be converted to Employee from Contact (External) Following API helps to create assignment for that Contact and helps to change his Person Type DECLARE -- Local Variables -- --------------------- lc_dt_ud_mode VARCHAR2(100) := NULL; ln_person_id NUMBER := 32981; ln_object_number NUMBER := 1; ld_effective_date DATE := TO_DATE('28-JUN-2012'); lc_employee_number VARCHAR2(100) := 'CONTACT_TEST_01'; -- Out Variables for Find Date Track Mode API -- ------------------------------------------------------------ lb_correction BOOLEAN; lb_update BOOLEAN; lb_update_override BOOLEAN; lb_update_change_insert BOOLEAN; -- Out Variables for Hire to Job API -- ------------------------------------------- ld_effective_start_date DATE; ld_effective_end_date DATE; lb_assign_payroll_warning BOOLEAN; lb_orig_hire_warning BOOLEAN; ln_assignment_id NUMBER; BEGIN -- Find Date Track Mode -- ---------------------------- dt_api.find_dt_upd_modes ( -- Input data elements -- --------------------------- p_effective_date => TO_DATE('28-JUN-2012'), p_base_table_name => 'PER_ALL_PEOPLE_F', p_base_key_column => 'PERSON_ID', p_base_key_value => ln_person_id, -- Output data elements -- ----------------------------- p_correction => lb_correction, p_update => lb_update, p_update_override => lb_update_override, p_update_change_insert => lb_update_change_insert ); IF ( lb_update_override = TRUE OR lb_update_change_insert = TRUE ) THEN -- UPDATE_OVERRIDE -- ----------------------------- lc_dt_ud_mode := 'UPDATE_OVERRIDE'; END IF; IF ( lb_correction = TRUE ) THEN -- CORRECTION -- -------------------- lc_dt_ud_mode := 'CORRECTION'; END IF; IF ( lb_update = TRUE ) THEN -- UPDATE -- -------------- lc_dt_ud_mode := 'UPDATE'; END IF; -- Hire into Job API -- ------------------------ hr_employee_api.hire_into_job ( -- Input Data Elements -- ----------------------------- p_effective_date => ld_effective_date, p_person_id => ln_person_id, p_datetrack_update_mode => lc_dt_ud_mode, -- Output Data Elements -- ---------------------------- p_object_version_number => ln_object_number, p_employee_number => lc_employee_number, p_assignment_id => ln_assignment_id, p_effective_start_date => ld_effective_start_date, p_effective_end_date => ld_effective_end_date, p_assign_payroll_warning => lb_assign_payroll_warning, p_orig_hire_warning => lb_orig_hire_warning ); COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; DBMS_OUTPUT.PUT_LINE(SQLERRM); END; / SHOW ERR;

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postfix cannot send email

- by AKLP

I'd like to mention that im really new to this so please bear with me. I'm trying to setup a forum software to send emails via postfix but I think my server has the port 25 blocked. I tried running these: works: ping alt2.gmail-smtp-in.l.google.com don't work: telnet alt2.gmail-smtp-in.l.google.com 25 telnet 66.249.93.114 25 tried flushing iptables and then using these rules but didn't work either: sudo iptables --flush sudo iptables -P INPUT ACCEPT sudo iptables -P OUTPUT ACCEPT sudo iptables -P FORWARD ACCEPT sudo iptables -F sudo iptables -X doing a telnet on 25 port to localhost url works but nothing when telnet'ing in none local urls. mail.log: Oct 17 01:20:24 webhost postfix/smtp[3642]: connect to alt2.gmail-smtp-in.l.google.com[2607:f8b0:400e:c03::1a]:25: Connection timed out Oct 17 01:20:24 webhost postfix/smtp[3643]: connect to alt2.gmail-smtp-in.l.google.com[2607:f8b0:400e:c03::1a]:25: Connection timed out Oct 17 01:20:24 webhost postfix/smtp[3642]: 4744380032: to=<[email protected]>, relay=none, delay=2892, delays=2741/0.03/150/0, dsn=4.4.1, status=deferred (connect to alt2.gmail-smtp-in.l.google.com[2607:f$

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How do I allow users to execute commands via ssh without allocating a pseudo-terminal

- by Dani El

I need to allow users to run a limited set of commands. But not to allow them to create interactive sessions. Just like GitHub does. If you try to ssh without a command it greetings you and close the session. I can acquire this by using ForceCommand some-script But getting in some-script i then need to eval user's input. Perhaps any other NoTTY-like option in sshd_config? --- UPDATE --- i'm looking for a pure SSH / Bash solution, not Perl/Python/etc. hacks.

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Interesting fault attempting to install Ubuntu 12.0.4.3 OR 13.10 on MSI GS70 2OD-001US

- by cjaredrun

Attempting to install Ubuntu on an MSI GS70 2OD-001US notebook pre-installed with Windows 8. For the record this is what I have attempted: All cases were attempted with Ubuntu 12.0.4.3 AND 13.10 images via USB drives Case 1 - Attempt no changes and simply boot from USB Result: It seems to want to work initially. The Ubuntu logo pops up and the dots start moving. After a few seconds the dots freeze and this screen is shown: http://i.imgur.com/C7pyMRk.jpg Case 2 - Start playing with BIOS - In Windows turning off fast boot - In BIOS turning off Secure boot - In BIOS turning off UEFI and selecting LEGACY Result: Brought to a black screen with a - blinking at me. Case 3 - Alternating BIOS settings - In Windows turning off fast boot - In BIOS turning off Secure boot - in BIOS turning off UEFI and selecting UEFI with CSM Result: Brought to a black screen no other indication of change. It's pretty frustrating to feel locked out of a laptop that I have paid good money for, I'm sure I am not alone in that case. It does however appear that there has been some success, so I am hopeful that someone might be able to help me. FYI: Dual booting is not necessary for me, if that helps at all... I'm not sure if this is a reasonable option, but if I completely wipe clean the hdds, no particle of Windows at all, would this still be a problem? Also would opening up the laptop and replacing the HDDS with brand new ones be a solution as well? Thanks for any input or suggestions.

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Java game design question (graphical objects)

- by vemalsar

Hello Guys, I'm beginner in game development, in Java and here on this site too and I have a game design question. Please comment my idea: I have a main loop which call update and draw method. I want to use an ArrayList which store graphical objects, they have coordinate and image or text to draw and my game objects extends this class. In update, I can choose which objects should be put in the array and in draw method I'll display the elements of array on the screen. I'm using a buffer and draw first there, but it is not important now I guess...Here is a simple (not full) code, only the logic: public class GamePanel extends JPanel implements KeyListener { ArrayList<graphicalObjects> graphArray = new ArrayList<graphicalObjects>(); public void update() { //change the game scene, update the graphArray, process input etc. } public void draw() { //draws every element of graphArray to a JPanel } public static main(String[] args) { while(true) { update(); draw(); } } } My questions: Should have I use interface or abstract class for graphicalObjects? graphicalObjects class and the ArrayList really needs or there is some better solution? How to draw objects? They draw themself with their own method or in the draw method I have to draw manually based on graphicalObjects variables (x,y coordinates, image etc.)? If this conception is wrong, please suggest another one! All comments are welcome and sorry if this is dumb question, thanks!

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Snow Leopard Hangs at Login Window

- by jessecurry

I've had an issue for the past few months, but I rarely restart so it hasn't caused too much trouble. Basically, when I start up my Mac (iMac10,1 - 3.06GHz Intel Core 2 Duo, OS X 10.6.3) everything proceeds as usual until I reach the login window. The login window displays normally, but keyboard and mouse input seem to be ignored. This condition persists for around 5 minutes at which time everything goes back to normal. While the login window is frozen my second monitor appears entirely blue, the second monitor receives a background as soon as the login window becomes responsive. If I startup while holding SHIFT the problem still occurs, but the freeze is much shorter. Looking through my logs I see no activity during the time that the login window is frozen. I've attempted to repair disk permissions, and gone through every possible maintenance option in Cocktail.

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Install multiport module on iptables

- by tarteauxfraises

I'am trying to install "fail2ban" on Cubidebian, a Debian port for Cubieboard (A raspberry like board). The following rule failed due to "-m multiport --dports ssh" options (It works, when i run manually the command without multiple options). $ iptables -I INPUT -p tcp -m multiport --dports ssh -j fail2ban-ssh" iptables: No chain/target/match by that name. When i make a cat on "/proc/net/ip_tables_matches", i see that multiport module is not loaded: $ cat /proc/net/ip_tables_matches u32 time string statistic state owner pkttype mac limit helper connmark mark ah icmp socket socket quota2 policy length iprange ttl hashlimit ecn udplite udp tcp What can i do to compile or to enable the multiport module? Thanks in advance for your help

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Is constantly looking for code examples a sign of a bad developer?

- by Newly Insecure

I am a CS student with several years of experience in C and C++, and for the last few years I've been constantly working with Java/Objective C doing app development and now I have switched to web development and am mainly focused on ruby on rails and I came to the realization that (as with app development , really) I reference other code way too much. I constantly Google functionality for lots of things I imagine I should be able to do from scratch and it's really cracked my confidence a bit. Basic fundamentals are not an issue, I hate to use this as an example but I can run through javabat in both java/python at a sprint - obviously not an accomplishment and but what I mean to say is I have a strong base for the fundamentals I think? I know what I need to use typically but reference syntax constantly. Would love some advice and input on this, as it has been holding me back pretty solidly in terms of looking for work in this field even though I'm finishing my degree. My main reason for asking is not really about employment, but more that I don't want to be the only guy at a hackathon not hammering out nonstop code and sitting there with 20 Google/github tabs open, and I have refrained from attending any due to a slight lack of confidence... Is a person a bad developer by constantly looking to code examples for moderate to complex tasks?

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Automatically Connecting to Hidden SSID WiFi Network

- by Zack

My MacBook Pro will not automatically connect to a Wireless network with a hidden SSID. It makes me select the "Join Other Network..." in the Airport menu (in the system tray), where I need to input the name of the network, then security type, password and wait for it to connect. This is becoming increasingly annoying to have to do every time I come back to my desk. I'm running Mac OS X 10.5 and there doesn't seem to be an option to connect to a specific network, but rather "Preferred Networks." The only network I have set as Preferred that's in range is my home network, and it still doesn't automatically connect. Making the network publicly visible isn't under my control, so I'm stuck with what's currently in place. Reader's Digest version: How do I make my MacBook Pro automatically connect to a WiFi Network with a hidden SSID without having to "configure" it every time I want to connect?

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Catch headset pause/play keypresses in Windows

- by akshay2000

I have a new Ultrabook which has single audio jack for input and output instead for separate 3.5 mm jacks we used to have on older machines. The jack is probably similar to American Audio Jack specification or like the one found on Macbook Pro. I have tried to use it with the Apple, HTC, Nokia earphones which ship with most of the smartphones. Microphone on the headset works the way it should. Thing is that the headsets also come with remote controls to control volume and playback. I am sure that those key presses are sent to the Windows. I was hoping to catch those events and bind those to actual media keys so that I can control music playback. I guess this happens on Macs. I want to do the similar thing on the Windows. I'm just not sure where I can catch the events. Driver level? Application level?

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How to run a script in Ubuntu via SSH as superuser?

- by Irinotecan

So I have a script that needs to be executed remotely as root. This isn't a problem with most Linux distros since they have a root account. But since Ubuntu does not, executing anything as root requires a 2-step process of entering the account password twice - once to log in and once for sudo. The SSH process to launch the script is automated, so it cannot pause for user input for the second password request. Does anyone know, short of hacking Ubuntu to re-enable root (not an option), if unattended SSH script execution with superuser privilege on the target machine is possible? Also, having no experience with Debian, does Debian behave this way too?

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Windows 7 Line In Delay Issue [closed]

- by CheeseConQueso

Not sure if this question should be posted on a different stack exchange site, so if you find that it should not be posted here, please move it. Either way, if you know the solution, please advise. I'm running Windows 7 Pro 32-bit on my Dell Latitude 2100 netbook and I'm having an issue with the line in device/driver/functionality. The device & driver are stock: Driver Date: 7/13/2009 Driver Version: 6.1.7600.16385 I'm almost sure that the manufacturer of the sound card is RealTek. The problem is that there is a delay (when monitoring input) between the source and the speakers. My setup is bass guitar running through a 12' long instrument cable (1/4") with a 1/4" female to 1/8" male adapter into the line in port on the computer. Then the 15' long headphones/line out cable goes into a standard set of powered speakers. How do I get rid of this delay? Thanks for any help.

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grep only returns help text

- by Pete Mancini

Well, I am perplexed. I am working with an Ubuntu server and I type in grep 'bash' *.sh BUT fgrep 'bash' *.sh works like a champ. which grep and which fgrep both point to their respective executables in /bin. I am perplexed as to what I am doing wrong. EXAMPLE output: $ grep -F 'grounding' repl.clj Usage: grep [OPTION]... PATTERN [FILE]... Search for PATTERN in each FILE or standard input. PATTERN is, by default, a basic regular expression (BRE). Example: grep -i 'hello world' menu.h main.c $ fgrep 'grounding' repl.clj (p/concepts-for-grounding-term imp1 "PERSON" "summary") See? grep is failing but fgrep is working fine. That is why I am perplexed.

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How do I setup a syslog server for my network?

- by Solignis

I would like to setup a syslog server to forward all log file from all of my VMs and servers. I really don't much about what is out there. So I turn to the community, Something on Linux is fine, what I want more is alert ability like emails telling me something is not right. If there was something to sort the logs by source that would be cool. Where would I want run the syslog server from? My admin WS or a server/VM? Any input would be wonderful. Thanks in advance.

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Web Hosting Checklist

- by Chris

I am a web developer that is starting to look into hosting his own website. I would like to showcase my programming skills (PHP, MySQl, C#, Wordpress). My knowledge of languages I am OK with but the actually hosting site is where my knowledge starts to get a little shaky. I know the basics (bandwidth, sub-domains, re-write rules) but I would love your input, to help me formulate a check list of certain web-hosting services that I should be on the look-out for. Also I was wondering if there were any reliable hosting providers who give you the option to host both c# code-behinds and PHP code. As I would like to have two versions of my site, one in C# and one in PHP the hope is that if I need to look for another job this website will help me show possible employers my server side knowledge. I hope this is enough info, I did some researching online but found a bunch of unless articles and I've always have had luck on the StackExchange sites. So hopefully you, can help me. Thanks alot.

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Robust way to keep records of software releases?

- by japreiss

We release a number of small plug-ins that go along with our software. Each plug-in allows our software to talk to a single manufactuer's hardware. I would like to devise a system for keeping track of plug-in releases. Example info that should be stored: Hardware manufacturer name 32-bit? 64-bit? both? What modes of operation does the hardware support? What versions of the manufacturer's driver have been tested with the plugin? Desirable properties of the system: Able to synchronize with version control software Stores data in human-readable text file (also good for differ tool) Free visual, spreadsheet-like editor available Able to do simple analysis like "What is the oldest plug-in?" I've got to imagine that someone else has tackled this problem already. Right now my best guess is XML/JSON with a visual editor, but I have been disappointed in the editors I've tried so far. I'd like to get input from some more experienced developers. Thanks!

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Is there a suitable chain for iptables when eth is in Promisc mode?

- by user1495181

I have a fron-end machine. Machine have2 eth cards. I want to use netfilter queue to do some checks on the packets. I set eth like this: ifconfig eth0 0.0.0.0 promisc up ifconfig eth1 0.0.0.0 promisc up I want to have an iptable rule like this(only example): iptables -A INPUT -i eth0 -j LOG --log-prefix " eth0 packet " but the packet is no passed through the iptables ,because it dosnt target to this MAC. Promisc mode didnt help. I saw that there is a way to add iptables chain for PROMISC, but need compilation... Is there any simplier way to have iptables rule when packet is not target to this eth. Currently i bypass this by creating a bridge between 2 eth and put rule on the FORWARD, but i done want to create bridge.

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Cutting up videos (excerpting) on Mac OS X -- iMovie produces super-large files

- by markvgti

I need to cut out parts of a video (+ the associated audio, of course) to make a short clip. For example, take 2 minutes from one location, 3 minutes from another part of the video, 30 seconds from another location and join it all together to form one single clip. The format of the input video is mp4 (H.264 encoding, AFAICR). Don't need very sophisticated merges or transitions from one part to the next, or sophisticated banners (text) on-screen, but some ability to do so would be a plus point. I've done this with iMovie in the past, but where the original file was under 5MB/min of play time, the chopped-up version was over 11MB/min of play time, which to me seems really bad. Is there a better/different way of doing this on OS X? Looking for free (gratis) solutions. OS: OS X 10.9.3

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Use a SQL Database for a Desktop Game

- by sharethis

Developing a Game Engine I am planning a computer game and its engine. There will be a 3 dimensional world with first person view and it will be single player for now. The programming language is C++ and it uses OpenGL. Data Centered Design Decision My design decision is to use a data centered architecture where there is a global event manager and a global data manager. There are many components like physics, input, sound, renderer, ai, ... Each component can trigger and listen to events. Moreover, each component can read, edit, create and remove data. The question is about the data manager. Whether to Use a Relational Database Should I use a SQL Database, e.g. SQLite or MySQL, to store the game data? This contains virtually all game content like items, characters, inventories, ... Except of meshes and textures which are even more performance related, so I will keep them in memory. Is a SQL database fast enough to use it for realtime reading and writing game informations, like the position of a moving character? I also need to care about cross-platform compatibility. Aside from keeping everything in memory, what alternatives do I have? Advantages Would Be The advantages of using a relational database like MySQL would be the data orientated structure which allows fast computation. I would not need objects for representing entities. I could easily query data of objects near the player needed for rendering. And I don't have to take care about data of objects far away. Moreover there would be no need for savegames since the hole game state is saved in the database. Last but not least, expanding the game to an online game would be relative easy because there already is a place where the hole game state is stored.

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State Changes in a Component Based Architecture [closed]

- by Maxem

I'm currently working on a game and using the naive component based architecture thingie (Entities are a bag of components, entity.Update() calls Update on each updateable component), while the addition of new features is really simple, it makes a few things really difficult: a) multithreading / currency b) networking c) unit testing. Multithreading / Concurrency is difficult because I basically have to do poor mans concurrency (running the entity updates in separate threads while locking only stuff that crashes (like lists) and ignoring the staleness of read state (some states are already updated, others aren't)) Networking: There are no explicit state changes that I could efficiently push over the net. Unit testing: All updates may or may not conflict, so automated testing is at least awkward. I was thinking about these issues a bit and would like your input on these changes / idea: Switch from the naive cba to a cba with sub systems that work on lists of components Make all state changes explicit Combine 1 and 2 :p Example world update: statePostProcessing.Wait() // ensure that post processing has finished Apply(postProcessedState) state = new StateBag() Concurrently( () => LifeCycleSubSystem.Update(state), // populates the state bag () => MovementSubSystem.Update(state), // populates the state bag .... }) statePostProcessing = Future(() => PostProcess(state)) statePostProcessing.Start() // Tick is finished, the post processing happens in the background So basically the changes are (consistently) based on the data for the last tick; the post processing can a) generate network packages and b) fix conflicts / remove useless changes (example: entity has been destroyed - ignore movement etc.). EDIT: To clarify the granularity of the state changes: If I save these post processed state bags and apply them to an empty world, I see exactly what has happened in the game these state bags originated from - "Free" replay capability. EDIT2: I guess I should have used the term Event instead of State Change and point out that I kind of want to use the Event Sourcing pattern

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Find methods related to testcases in Java

- by user3623718

I want to automatically change some methods in the program. These methods contain some compiler error and my program aims to fix these compiler errors. After fixing compiler errors I need to run test cases related to the changed method (or class) to know it is correct and if not which test cases failed. As the programs under investigation are very big, I only need to run test cases related to changes. As an example, if I change one method, then I need to only run test cases related to this method. Therefore, what I need is to programmatically be able to find test cases related to each method, and class. It is also useful if there is a tool that can do that for me. As an example, a tool which creates a matrix shows each test case is related to which method(s) One easy way to do that is to run all test cases and save functions they accessed. However, the problem is at the beginning the input program contains compiler error and it is not possible to run test cases because of these compiler error. Please let me know what is the best way to do that. An API or a tool that I can be used programmatically is the best for me.

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Windows server backup fails at 40%

- by Abraham Borbujo

I´m configuring windows server backup as full system backup. It starts fine, but when it´s making system drive (c:) backup it stops at 40% every time i try. It only backups 7.28 GB of the total 18.19 GB. I tried changing destination drive and also checking c: filesystem in order to find any problem, but it seems to be ok and the problem is still the same. I got a message telling that the backup is completed with warnings. The warning details says that it didn´t complete backup because of input/output error in source or destination. Thanks for your help.

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Why is the resulting file unplayable when I use FFMPEG to convert a MP4 video to ASF?

- by Fuupoo

I want to convert an .mp4 file to an .asf file, but I need to keep the size of the file below 150 mb (the server I need to upload the file to can only take files under 150 mb). Basically I want to recontain the .mp4 in an .asf file. The code I'm using currently is ffmpeg input.mp4 -c copy output.asf The command runs, however when I try to play the file on windows media player (I'm on windows xp) I get an error message saying "Windows media player has encountered a problem while playing the file." Anyone have any idea why this is happening? And what other ways I can accomplish this task?

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Good speedtest results, but web pages don't load

- by dmt0

I have strange connection problems. Ping and download times are good - speedtest.net showed ping 65ms and download 2.17Mbps. Torrent is working well, giving me up to 300MBps. Webpages are loading very poorly though. They are timing out each time - I'd have to refresh 4-5 times to get any simple page to load. It has been happening consistently for the last few days. Same with different browsers on different machines (same network), Windows and Linux. There is no proxy in the browser. Is there any setting in Windows or in a browser that I can change to help this? Some background: I live on this island in Thailand, where internet connection is through radio to another island and than to mainland - it's very weather dependent, but generally OK. As I mentioned, ping is good. Any input is very appreciated.

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