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  • Is there a unix command to output time elapsed during a command?

    - by Olivier Lacan
    I love using time to find out how long a command took to execute but when dealing with commands that execute sub-commands internally (and provide output that allows you to tell when each of those sub-commands start running) it would be really great to be able to tell after what number of seconds (or milliseconds) a specific sub-command started running. When I say sub-command, really the only way to distinguish these from the outside is anything printed to standard out. Really this seems like it should be an option to time.

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  • Authentication between web server and sql server

    - by thirster42
    So, we're restructuring out development environment. We've installed SQL Server onto it's own server, and we are publishing our internal web applications onto a seperate web server. However, the problem is that for some reason the authentication of the user between the web server and sql server gets lost, resulting in the Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON' error. Where do i start troubleshooting? SQL Server is set up for TCP and remote connections.

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  • Free media center PC software which runs on Windows XP

    - by Deleted
    Is there something which may: Play music, at the very least in MP3-format Play video in various codec's Helps in recording video of shows from TV through a TV-in card Helps in organizing music and videos Works with a keyboard and mouse Additional pluses are: If it also is possible to browse the web through it, or at least start the web browser Has some games. Maybe through MAME or some other emulation like SNES or something. If it's also possible to control it through a game pad.

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  • How do you splice out a part of an xvid encoded avi file, with ffmpeg? (no problems with other files)

    - by user11955
    Im using the following command, which works for most files, except what seems to be xvid encoded ones /usr/bin/ffmpeg -sameq -i file.avi -ss 00:01:00 -t 00:00:30 -ac 2 -r 25 -copyts output.avi So this should basically splice out 30 seconds of video + audio, starting from 1 minute mark. It does START encoding at the 00:01:00 mark but it goes all the way to the end of the file for some reason, ignoring that I want just 30 seconds. The output looks like this. FFmpeg version git-ecc4bdd, Copyright (c) 2000-2010 the FFmpeg developers built on May 31 2010 04:52:24 with gcc 4.4.3 20100127 (Red Hat 4.4.3-4) configuration: --enable-libx264 --enable-libxvid --enable-libmp3lame --enable-libopenjpeg --enable-libfaac --enable-libvorbis --enable-gpl --enable-nonfree --enable-libxvid --enable-pthreads --enable-libfaad --extra-cflags=-fPIC --enable-postproc --enable-libtheora --enable-libvorbis --enable-shared libavutil 50.15. 2 / 50.15. 2 libavcodec 52.67. 0 / 52.67. 0 libavformat 52.62. 0 / 52.62. 0 libavdevice 52. 2. 0 / 52. 2. 0 libavfilter 1.20. 0 / 1.20. 0 libswscale 0.10. 0 / 0.10. 0 libpostproc 51. 2. 0 / 51. 2. 0 [mpeg4 @ 0x17cf770]Invalid and inefficient vfw-avi packed B frames detected Input #0, avi, from 'file.avi': Metadata: ISFT : VirtualDubMod 1.5.10.2 (build 2540/release) Duration: 00:02:00.00, start: 0.000000, bitrate: 1587 kb/s Stream #0.0: Video: mpeg4, yuv420p, 672x368 [PAR 1:1 DAR 42:23], 25 tbr, 25 tbn, 25 tbc Stream #0.1: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s File 'lol6.avi' already exists. Overwrite ? [y/N] y Output #0, avi, to 'lol6.avi': Metadata: ISFT : Lavf52.62.0 Stream #0.0: Video: mpeg4, yuv420p, 672x368 [PAR 1:1 DAR 42:23], q=2-31, 200 kb/s, 25 tbn, 25 tbc Stream #0.1: Audio: mp2, 48000 Hz, 2 channels, s16, 64 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding [mpeg4 @ 0x17cf770]Invalid and inefficient vfw-avi packed B frames detected [buffer @ 0x184b610]Buffering several frames is not supported. Please consume all available frames before adding a new one. frame= 1501 fps=104 q=0.0 Lsize= 15612kB time=30.02 bitrate=4259.7kbits/s ts/s video:15303kB audio:235kB global headers:0kB muxing overhead 0.482620% if I convert this file to mp4 for example, and then perform the same action, it works perfectly.

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  • iptables intercept local traffic

    - by Anonymous
    i hope someone can help me out with somewhat simple task. I'm trying to redirect a client in my router through my desktop PC, so i can dump the traffic and analyze it (its potential source of poisoning the network with malicious packets). However i don't have a second NIC on my hands and i was hoping i can redirect all the traffic from that IP through my PC. In essence to become MITM for the client. Does anyone have any idea where to start: Current state: (localip)-(router)-(internet) And what i want to do: (localip)-(pc)-(router)-(internet)

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  • Split (parts of) image into several smaller (same size) pieces non-manually

    - by hlovdal
    If I have an image with a table containing several rows, say like the periodic table: Are there any tool I can use to split this into one smaller image with the H He row, another image for the Li Be ... Ne row, etc? The tool does not have to detect the row borders by itself, specifying a start offset + row height in pixels is ok. Manually selecting and cutting/copying in gimp is not an option, I have way to many rows to process.

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  • Windows Vista x64 freezes randomly

    - by François Daemin
    Hello, my computer (a Dell XPS M1330 - Vista x64) hangs randomly. When it happens I can't run the task manager (or another app), nor the Start menu, and when i try to close an application the title bar shows "Not responding". In the event viewers, nothing particular, excepts the hard shutdown. (I apologize in advance for my bad english..)

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  • Visual Studio not auto-building when I press the debug button

    - by Kurru
    Hi I'm writing code in Visual Studio but whenever I want to test the application and press the green arrow for "Start debugging", Visual Studio does not automatically recompile the active solution for me and I have to manually build the solution then debug it. Visual Studio used to automatically build before debug and I want this back as contantly having to manually build is a serious pain. Thanks

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  • Can not access control panel.

    - by Amby
    I can not access Contol panel in my windows vista machine. As soon as i click the "conrol panel" item in start items, it shows up a window and then its closed automatically ( same happens if i use "control" command). Is there some program or some registry entry thats restricting it? is ther a way to control this behaviour?

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  • Windows 7 accounts on a 2008r2 DC keep getting locked out randomly

    - by Matt
    As the title states, this happens randomly to Windows 7 accounts on our Windows 2008R2 domain controller. We just had this start happening after changing from 123together hosted exchange to Rackspace hosted exchange. Also around this time our passwords on the DC started expiring, but not the exact day, and everyone has different days they need to change it before. It has only affected 10 out of 30 accounts, and I see no link between them. What are some fixes I should run or things to look for?

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  • Why Does My Windows 7 PC Freeze After Waking from Sleep?

    - by Blaenk
    Hey guys. I have Windows 7 running on my computer and everything is perfect. There's only one little problem. Sometimes when I leave my computer, I come back and my monitor is turned off or asleep, whichever it is. This is fine, I set it to do this. However, after turning on the monitor and moving the mouse around, the mouse cursor freezes; both the keyboard and mouse don't respond to anything, for example the keyboard's windows key won't bring up the start menu and moving the mouse around does not move the cursor around on the screen. I have to wait about a minute or two before things start working again. I figured this was a power savings setting problem, so I went into Control Panel Power Options. I only have Turn off Display = 30 minutes and Put Computer to Sleep = Never. Of course, I went into the advanced power settings to look through there. I put Never to turn off the hard disk, Sleep after never, and that's about it. Nothing else there looks like it might be causing this. I went into the device manager and checked the mouse and the keyboard, and they both have the Allow this device to wake the computer checked for both of them. Perhaps this other bit of information might help: Sometimes I VNC into my PC using my MacBook, and sometimes, as soon as it shows me the desktop, the same thing happens. The mouse won't move and VNC won't register any events on the server (Which is my PC of course). I close the client (And I know it has nothing to do with the client), then immediately restart it and try to connect. When I click the connect button, it hangs there, as if the PC is not responding. Basically it's like whenever I try to wake the computer from sleep, it does so by showing me the desktop, then it freaks out. Then again, I guess the computer isn't sleeping because the setting is set to 'Sleep after = Never'. I honestly don't know what's going on, would appreciate any insight. Thanks!

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  • How Do I Automatically Update My Database Nightly

    - by Russ
    Currently, every day before I start work, I complete the following procedure: ssh to the production server gzip our daily database dump file scp the gzipped dump file over to my computer gunzip the dump file dropdb mydatabase createdb mydatabase psql mydatabase < dump.sql Is it possible (I'm sure it is) to automate this process on Mac OSX? This way it is done by the time I get to work in the morning. If so, what is the quickest and easiest way

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  • 2 sets of tabs in google chrome

    - by Ben
    I usually have 2 sets of tabs in google chrome, in 2 windows. 1 for general browsing, and the other for 'work'. Can I get both windows to auto launch at start, populated with their respective tabs? Thanks

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  • Localhost doesnot work.

    - by Muhammad Sajid
    Hi, I installed wamp server on xp. During the installation it did not show any error/warning message. Then i start it & type http://localhost/ in url bar but it just show a blank page. I also checked notepad C:\WINDOWS\system32\drivers\etc\hosts their is no restriction for localhost. Help. Thanks...

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  • How do I completely uninstall MySQL?

    - by snakile
    I have installed and uninstalled MySQL Server for about 100 times. Each time I reinstall the thing, it shows the same configurations, which I think cause problems. I would like to get rid of all traces of MySQL and install it as if it was the first installation. I'v already deleted the MySQL folder, but I still having the same problem. How can I start over and reinstall MySQL? EDIT: My OS is Windows 7.

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  • How Do I Automatically Update My Database Nightly

    - by Russ
    Currently, every day before I start work, I complete the following procedure: ssh to the production server gzip our daily database dump file scp the gzipped dump file over to my computer gunzip the dump file dropdb mydatabase createdb mydatabase psql mydatabase < dump.sql Is it possible (I'm sure it is) to automate this process on Mac OSX? This way it is done by the time I get to work in the morning. If so, what is the quickest and easiest way?

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  • Lua metatable Objects cannot be purge from memory?

    - by Prometheus3k
    Hi there, I'm using a proprietary platform that reported memory usage in realtime on screen. I decided to use a Class.lua I found on http://lua-users.org/wiki/SimpleLuaClasses However, I noticed memory issues when purging object created by this using a simple Account class. Specifically, I would start with say 146k of memory used, create 1000 objects of a class that just holds an integer instance variable and store each object into a table. The memory used is now 300k I would then exit, iterating through the table and setting each element in the table to nil. But would never get back the 146k, usually after this I am left using 210k or something similar. If I run the load sequence again during the same session, it does not exceed 300k so it is not a memory leak. I have tried creating 1000 integers in a table and setting these to nil, which does give me back 146k. In addition I've tried a simpler class file (Account2.lua) that doesn't rely on a class.lua. This still incurs memory fragmentation but not as much as the one that uses Class.lua Can anybody explain what is going on here? How can I purge these objects and get back the memory? here is the code --------Class.lua------ -- class.lua -- Compatible with Lua 5.1 (not 5.0). --http://lua-users.org/wiki/SimpleLuaClasses function class(base,ctor) local c = {} -- a new class instance if not ctor and type(base) == 'function' then ctor = base base = nil elseif type(base) == 'table' then -- our new class is a shallow copy of the base class! for i,v in pairs(base) do c[i] = v end c._base = base end -- the class will be the metatable for all its objects, -- and they will look up their methods in it. c.__index = c -- expose a ctor which can be called by () local mt = {} mt.__call = function(class_tbl,...) local obj = {} setmetatable(obj,c) if ctor then ctor(obj,...) else -- make sure that any stuff from the base class is initialized! if base and base.init then base.init(obj,...) end end return obj end c.init = ctor c.instanceOf = function(self,klass) local m = getmetatable(self) while m do if m == klass then return true end m = m._base end return false end setmetatable(c,mt) return c end --------Account.lua------ --Import Class template require 'class' local classname = "Account" --Declare class Constructor Account = class(function(acc,balance) --Instance variables declared here. if(balance ~= nil)then acc.balance = balance else --default value acc.balance = 2097 end acc.classname = classname end) --------Account2.lua------ local account2 = {} account2.classname = "unnamed" account2.balance = 2097 -----------Constructor 1 do local metatable = { __index = account2; } function Account2() return setmetatable({}, metatable); end end --------Main.lua------ require 'Account' require 'Account2' MAX_OBJ = 5000; test_value = 1000; Obj_Table = {}; MODE_ACC0 = 0 --integers MODE_ACC1 = 1 --Account MODE_ACC2 = 2 --Account2 TEST_MODE = MODE_ACC0; Lua_mem = ""; print("##1) collectgarbage('count'): " .. collectgarbage('count')); function Load() for i=1, MAX_OBJ do if(TEST_MODE == MODE_ACC0 )then table.insert(Obj_Table, test_value); elseif(TEST_MODE == MODE_ACC1 )then table.insert(Obj_Table, Account(test_value)); --Account.lua elseif(TEST_MODE == MODE_ACC2 )then table.insert(Obj_Table, Account2()); --Account2.lua Obj_Table[i].balance = test_value; end end print("##2) collectgarbage('count'): " .. collectgarbage('count')); end function Purge() --metatable purge if(TEST_MODE ~= MODE_ACC0)then --purge stage 0: print("set each elements metatable to nil") for i=1, MAX_OBJ do setmetatable(Obj_Table[i], nil); end end --purge stage 1: print("set table element to nil") for i=1, MAX_OBJ do Obj_Table[i] = nil; end --purge stage 2: print("start table.remove..."); for i=1, MAX_OBJ do table.remove(Obj_Table, i); end print("...end table.remove"); --purge stage 3: print("create new object_table {}"); Obj_Table= {}; --purge stage 4: print("collectgarbage('collect')"); collectgarbage('collect'); print("##3) collectgarbage('count'): " .. collectgarbage('count')); end --Loop callback function OnUpdate() collectgarbage('collect'); Lua_mem = collectgarbage('count'); end ------------------- --NOTE: --On start of game runs Load(), another runs Purge() --Update I've updated the code with suggestions from comments below, and will post my findings later today.

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