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• How to batch convert video files on OSX for AppleTV2 / iPhone4?

  - by Luke404

  I'd like to have a solution to batch convert video files to a format suitable for the AppleTV2, iPad2, iPhone4, while at the same time preserving as much quality as possible; I want a single output file that will play on both devices and also good for consumption by other Mac software (eg. Aperture, iMovie, iTunes). Batch processing is a requirement since I'm gonna convert many many files from different sources (mainly lots of videos captured by compact digital cameras, cell phones, and so on). I'm looking into ffmpeg and MEncoder (both installed via MacPorts), but I can't seem to find a suitable preset for libx264 even if everyone out there is talking about them. A different approach involving different software would be ok too as long as I can script it somehow and run it on a whole directory full of files to be converted.

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• I don't program in my spare time. Does that make me a bad developer?

  - by not-my-real-name

  A lot of blogs and advice on the web seem to suggest that in order to become a great developer, doing just your day job is not enough. For example, you should contribute to open source projects in your spare time, write smartphone apps, etc. In fact a lot of this advice seems to suggest that if you don't love programming enough to do it all day long then you're probably in the wrong career. That doesn't ring true with me. I enjoy my work, but when I come home from the office I'm not in the mood to jump straight back onto the computer and start coding away until bedtime. I only have a certain number of hours free time each day, and I'd rather spend them on other hobbies, seeing friends or going outside than in front of the computer. I do get a kick out of programming, and do hack around outside of work occasionally. I'm committed to my personal development and spend time reading tech blogs and books as a way to keep learning and becoming better. But that doesn't extend so far as to my wanting to use all my spare time for coding. Does this mean I'm not a 'true' software developer at heart? Is it possible to become a good software developer without doing extra outside your job? I'd be very interested to hear what you think.

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• Installation fails after period of time

  - by Jack Marchetti

  I'm running Windows 7 64 bit, Ultimate. I'm running into a problem where, if my computer is on long enough, I am unable to install any software. For example, if I reboot and try to install something, for the most part, it will succeed. if I try and install something after a few hours/days, it will always fail. Sometimes stating that "a previous install failed..." or "an install is already taking place..." even though there is nothing being installed. This also seems to be making my Windows updates fail at a pretty regular rate. Any ideas?

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• BSOD doing wireless connection repair

  - by Kb

  (This should maybe be asked on Super User, but currently it is only for beta users.) We have a Dell Latitude X1 which always gets a BSOD (page fault in non page area) after repair on wireless. Wireless works as long as we do not do repair. Have tried the following with no success: Have updated BIOS to latest version and updated drivers for Intel wireless to the latest version. Any other suggestions? For now we just do not do repair and maybe that is the solution?

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• Failing SSHFS connection drags down the system

  - by skerit

  From time to time my sshfs mount fails. All programs using the mount freeze when it happens. I can't even ls anything or use nautilus. Is there a way to find out what's the cause and how to handle it? I've noticed regular SSH sessions to the server get their fair share of Write failed: broken pipe disconnects, too. If I wait long enough (and I'm talking about 20-ish minutes, here) it will auto reconnect and things start working again.

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• **Simplest** way to dual boot Linux on a Vista laptop

  - by user20285

  I have a 64bit Vista laptop with no cd drive (and no intention of buying one). What is the simplest way (if any) for me to dual boot Linux (I don't care what version as long as it's not too old...and will run Ruby 1.8.7 or greater)? I'd prefer anything with an installer. I've been programming on Windows for a little over 1.5 years and would like the option of using Linux. I'm not a moron, but the I'm legitimately scared of messing up my computer. I speak the language of Rails, not of OS tweaks. Thanks!

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• windows 8 + Ubuntu dual boot

  - by Jack Yuan

  I installed Ubuntu 13.04 on Windows 8. Yes I can access both of them, but the process is kind of long. In BIOS, EFI is for Windows 8, legacy support is for Ubuntu. If I choose EFI first, the startup just go straight to Win8 without offering me a choice. If I choose legacy first, the starup will offer me a choice between win8 and ubuntu. But I can only choose Ubuntu. If i choose win8, there will be a mistake(file missing under configuration). That is to say, every time i wanna switch to another OS, I have to go into BIOS and change the priority settings. I heard something about secure boot might be the cause of this situation. But the thing is that there is not even an option called "secure boot" in my BIOS, which means i cannot disable it. All I want is that an option menu appears everytime i turn on my computer so i can easily choose what OS I want for today. Can anyone help me plz? Thank you very much!!

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• Is it possible to turn a shortcut to a folder into a menu of items in that folder?

  - by MrVimes

  I vaguely remember seeing something on the internet that showed it was possible to turn any shortcut to a folder into a menu, as long as that shortcut was in the start menu or on the quicklaunch bar (i.e. somewhere that allowed menu functionality) Does anyone know if this is possible? And if so, how to do it? I'd like to be able to do this... With a link in my quicklaunch area... I remember it had something to do with renaming the shortcut with along string of characters placed between '{' and '}'. I realize how picky this request is as I have more or less acheived what I am looking for by placing the 'desktop' toolbar on my start bar. But I'd rather it be an icon in my quicklaunch. Just humour me :)

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• How do I install the Firestorm viewer for Second Life?

  - by Cordenne

  I am new to Ubuntu and trying to set everything up. I am VERY bad at doing that at the moment. In fact, I asked another question here only a few hours ago. Anyways, I am trying to get the Firestorm Viewer for Second Life. I followed instruction given here: http://michaelferrie.blogspot.com/2012_04_01_archive.html and came up with these end results: cordenne@ubuntu:~$ sudo apt-get install ia32-libs [sudo] password for cordenne: Reading package lists... Done Building dependency tree Reading state information... Done ia32-libs is already the newest version. The following packages were automatically installed and are no longer required: libnspr4-0d:i386 libgconf2-4:i386 libnss3-1d:i386 Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 7 not upgraded. cordenne@ubuntu:~$ '/home/cordenne/install.sh' You are not running as a privileged user, so you will only be able to install the Firestorm Viewer in your home directory. If you would like to install the Firestorm Viewer system-wide, please run this script as the root user, or with the 'sudo' command. Proceed with the installation? [Y/N]: Y - Installing to /home/cordenne/firestorm cp: cannot copy a directory, `/home/cordenne/firestorm', into itself, `/home/cordenne/firestorm/firestorm' Failed cordenne@ubuntu:~$ cordenne@ubuntu:~$ So, still no Firestorm. Can anyone help. PS: When it said - Installing to /home/cordenne/firestorm I felt it was talking to long to... I guess do anything so I pressed 'Enter'. I don't know if that made a difference but if it does, now you know!

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• Realtime file-level mirroring from local NTFS to network drive

  - by hurfdurf

  We have some data collection machines running WinXP. After a new file is written, we would like to immediately copy the new file to network storage (a NetApp CIFS share) automagically. We need realtime or near realtime copies generated (copy upon filehandle close would be fine -- these are not long-running system logs). Two commercial applications I've found so far are MirrorFile and IBM's Tivoli CDP. Are there any reliable open source programs or simple ways to get Shadow Copy to do something similar? Bonus points if it runs as a service.

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• Windows 7 boot order and locations

  - by Russ C

  Hi, Long story short, a program that shouldn't have been run on this machine has been, and it's created a naughty .sys file that is being loaded right after pci.sys (as determined by NBTLog.txt) I've had a look a BCDEdit, EasyBCD and a number of Registry keys but I can't seem to determine where about winstart.exe actually gets the list of sys files to load from! The sys file itself is running in high elevation and appears to be defeating all attempts to remove it; I could (probably should) make a Linux USB boot disc and use it to delete the sys file, but I'd really appreciate understanding the mechanics here. ((FWIW: the problem stemmed from a sibling running a Trainer for some game; he has been suitable chastised))

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• What are the practical limits on file extension name lengths?

  - by GorillaSandwich

  I started using DOS back before Windows, and ever since have taken it for granted that Every file has a file extension, like .txt, .jpg, etc That extension is always short (usually 3 letters) I learned early that the extension is basically just a hint to the OS as to what the content type is. Eventually I got exposed to Mac and Linux, files with no extensions, etc. And of course I've seen shorter extensions, like .rb and .py. I just noticed that markdown-formatted files can have the extension .markdown, and it made me wonder - how long can that extension be? If I make it .mycrazylongextensiontypewoohoo, will certain operating systems or programs choke on the file? Are extension names generally short just for convenience, or is this based on some limitation, legacy or current?

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• ISA bus on newer computers

  - by Kevin Ivarsen

  Are there companies that sell new computers that support old ISA bus expansion cards? We have an aging computer running DOS that operates some machinery via an ISA interface board. Updated versions of this board (e.g. PCI, USB) are not available, and I am concerned about the long-term reliability of the 8+ year old computers we currently keep around as backups. If these newer ISA-capable machines exist, are there any general gotchas to be aware of in terms of compatibility with older expansion boards, ability to run DOS, etc.?

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• Something is spamming from my hMail server - how can I deal with this?

  - by joshcomley

  My Windows 2008 server is attempting to send out a lot of spam, I've just discovered, and I'm not sure how to see where the compromise is. For example: has someone hacked an account? Has someone hacked the server? Is there a virus on the server? What can I do to investigate this? Edit Thanks for the replies so far. I am running hMail server, and have spent so long investigating the correct configuration but still I end up with these emails being sent. Here is a screenshot of my Internet IP range settings on the server: (let me know what else I can provide to help)

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• When running Minecraft with OpenJDK, my keyboard becomes unresponsive?

  - by Mochan

  I recently downloaded Minecraft with the .jar format and had it running on my computer not so long ago. Now that I'm using my desktop instead of laptop temporarily, I want it to run. On my laptop it was a tremendous hassle to get OpenJDK to even run the application without it going black and I don't have that problem on my desktop. However, when I run the application on desktop, my keyboard becomes unresponsive and doesn't type at all. This is a really big problem because I can't play the game as it requires keyboard interaction. It works as normal on my laptop though and it works perfectly. But now on the desktop it's completely useless. I don't know if there's like a keyboard driver I'm missing, but there shouldn't be because the keyboard runs flawlessly everywhere else. I'm using OpenJDK 6 because the 7 has the same 'black screen' I mentioned. So I need this to work within OpenJDK 6. Thanks so much in advance and I'll try to specify as many details as I can.

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• Lots of artifacts while streaming HD content with VLC 0.9.9 on CentOS

  - by Zsub

  I'm trying to stream (multicast) a x264 encoded file using VLC. This in itself succeeds, but the stream has a huge lot of artifacts. This seems to suggest that the data cannot be transported fast enough. If I check network usage, though, it's only using about 15 mbit. I have a similar SD stream which functions perfectly. I think I could improve stream performance by not streaming the raw data, but I cannot seem to get this working. It seems that on keyframes all artifacts are removed for a short while (less than a second). This is the command I use: vlc -vv hdtest.mkv --sout '#duplicate{dst=rtp{dst=ff02::1%eth1,mux=ts,port=5678,sap,group="Testgroup",name="TeststreamHD"}}' --loop Which is all one long line.

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• Using iptables to block ALL outgoing traffic from one NIC?

  - by edanfalls

  Hi, I must pretty bad at Googling as this seems like a very basic question but I can't seem to find the answer anywhere... and man iptables is a very long read! I have two NICs - eth0 and eth1 - on a linux box and I want to block ALL outbound traffic (TCP and UDP across all ports) from one of the NICs, so that no traffic makes its way back up to the router. What is the command for this? I have only seen examples with specific ports. Thanks in advance.

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• After a period of time, nslookup still works, but pinging, and an auto-refeshed website, fails.

  - by Mark Hurd

  Contrary to this SO question this is for a dotted name (gw.localnet.au), and it doesn't happen straight away. Only after some period of time (quite a long time, possibly days). In fact this is for my ADSL router and its internal IP address which I have named within the router itself and in my Windows Server 2003 Domain Controller DNS Service. Specifically, localnet.au is a Active-Directory-backed primary domain. In fact, an ipconfig /flushdns may fix the problem, but only after a while (about the time it took me to type in this question :-) ). That doesn't explain the root cause though... Manually transferred from stackoverflow.com

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• An entry-level programmer's best option [on hold]

  - by user134409

  I am facing a puzzle and I am not sure the best way to make a decision. In my spare time besides playing video games I got around to develop some games, nothing fancy, just small projects to get a better grasp at programming. After I finished college and got my BA in Computer Science, I got a job as web developer at a small firm. The next few months were very stressful as I had no previous experience and tried my best to make up for it. But after 6 months my boss told me I was inefficient and not very independent and let me go. To my credit, the help from the senior was very limited, I did learn a lot but I have learned by myself. For example they told me to do a UI in BackboneJS and I took me a while but I got it working (even if it was poorly designed). But I managed to do it all by myself because my senior was very busy and he did not have time even for my questions. Now I have found a new job again in web development but I am very afraid of what is going to happen next. I am afraid because I don't want to take the job and then be fired again after a couple of months, I get the feeling that this will be very bad on my CV, job hopping is like a red flag. They want to hire me but I am aware that they are working with new technologies and maybe I will end up not coping with it. So the question is: Should a entry-level programmer be better off with a starting job in QA, testing and work his way from there? I did learn allot from my first job but it was a moral blow when they decided to fire me. I do have a low self-esteem and I know my skills as a programmer are not that great. But I like programming and want to get better and I want to have a long career in it so that basically my pickle. Thank you in advance for the answers.

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• Using a random string to authenticate HMAC?

  - by mrwooster

  I am designing a simple webservice and want to use HMAC for authentication to the service. For the purpose of this question we have: a web service at example.com a secret key shared between a user and the server [K] a consumer ID which is known to the user and the server (but is not necessarily secret) [D] a message which we wish to send to the server [M] The standard HMAC implementation would involve using the secret key [K] and the message [M] to create the hash [H], but I am running into issues with this. The message [M] can be quite long and tends to be read from a file. I have found its very difficult to produce a correct hash consistently across multiple operating systems and programming languages because of hidden characters which make it into various file formats. This is of course bad implementation on the client side (100%), but I would like this webservice to be easily accessible and not have trouble with different file formats. I was thinking of an alternative, which would allow the use a short (5-10 char) random string [R] rather than the message for autentication, e.g. H = HMAC(K,R) The user then passes the random string to the server and the server checks the HMAC server side (using random string + shared secret). As far as I can see, this produces the following issues: There is no message integrity - this is ok message integrity is not important for this service A user could re-use the hash with a different message - I can see 2 ways around this Combine the random string with a timestamp so the hash is only valid for a set period of time Only allow each random string to be used once Since the client is in control of the random string, it is easier to look for collisions I should point out that the principle reason for authentication is to implement rate limiting on the API service. There is zero need for message integrity, and its not a big deal if someone can forge a single request (but it is if they can forge a very large number very quickly). I know that the correct answer is to make sure the message [M] is the same on all platforms/languages before hashing it. But, taking that out of the equation, is the above proposal an acceptable 2nd best?

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• MS Excel find and replace macro

  - by william

  I have written a macro to remove special characters in a sheet based on ascii values but the problem with it is that it is replacing the cell content. For example p;j;h which should become p,j,h is becoming ,, (missing the data). Do I need to include any additional statements, or how else to adjust my code? sub specialcharecters() Dim i As Long For i = 32 To 43 Selection.Replace what:=Chr(i), replacement:=", ", LookAt:=xlPart, SearchOrder:= _ xlByRows, MatchCase:=False, SearchFormat:=False, ReplaceFormat:=False Next i Selection.Replace what:="~*", replacement:=", ", LookAt:=xlPart, SearchOrder:= _ xlByRows, MatchCase:=False, SearchFormat:=False, ReplaceFormat:=False For i = 45 To 47 Selection.Replace what:=Chr(i), replacement:=", ", LookAt:=xlPart, SearchOrder:= _ xlByRows, MatchCase:=False, SearchFormat:=False, ReplaceFormat:=False Next i For i = 58 To 64 Selection.Replace what:=Chr(i), replacement:=", ", LookAt:=xlPart, SearchOrder:= _ xlByRows, MatchCase:=False, SearchFormat:=False, ReplaceFormat:=False Next i For i = 123 To 125 Selection.Replace what:=Chr(i), replacement:=", ", LookAt:=xlPart, SearchOrder:= _ xlByRows, MatchCase:=False, SearchFormat:=False, ReplaceFormat:=False Next i Selection.Replace what:="~~", replacement:=", ", LookAt:=xlPart, SearchOrder:= _ xlByRows, MatchCase:=False, SearchFormat:=False, ReplaceFormat:=False END sub

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• Empty Recycle Bin error "Cannot Delete Dc12: Access denied."

  - by Chris Noe

  The Dc number can vary. The error is a sporadic, but when it happens it prevents the contents of the recycle bin from being deleted. It can also occur when the recycle bin appears to be empty, yet it has the crumpled paper indicator. Rebooting makes the problem go away, but it can also magically go away by just waiting a long time, like over night. But the problem keeps recurring with no rhyme or reason. What is causing this? I really don't want to reinstall Windows.

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• One good reason for a rewrite

  - by Supermighty

  I have a personal web project I cut my teeth on learning how to program. I wrote it in PHP and learned as I went. I eventually I re-factored it to use MVC and removed all mixing of php/html. Right now it has no users, save myself, and it makes no money. I have a strong desire to rewrite the entire app. Which really isn't that large of an app. I have a lot of reasons why I should not rewrite it. I know that I should move forward. It's a working app now and it will only set me back to rewrite it. But I can't shake this feeling that I would be better off using a different programming language in the long run. That I'd enjoy it more. That I'd feel comfortable with it. I feel like my one good reason to rewrite my app is that I have a gut feeling that I should. PHP seems like a hack thrown together. I want to use a language that feels more elegant to me. Any feedback you have would be welcome.

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• strategy /insights for avoiding document content loss due to encryption

  - by pbernatchez

  I'm about to encourage a group of people to begin using S-Mime and GPG for digital signatures and encryption. I foresee a nightmare of encrypted documents which can no longer be recovered because of lost keys. The thorniest issue is archiving. The natural way to preserve privacy in an archive is to archive the encrypted document. But that opens us up to the risk of a lost key when time comes to unarchive a document, or a forgotten password. After all it will be a long way in the future. This would be equivalent to having destroyed the document. First thought is archiving keys with documents, but that still leaves the forgotten pass phrase. Archiving the passphrase too would be tantamount to archiving in the clear. No privacy. What approaches do you use? What insights can you offer on the issue?

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• Google Currency Convertor JSON API

  - by Gopinath

  There are many live currency conversion services available on the web and the popular one’s among them are – Google, Yahoo, MSN & XE. Among all these four Google is the developer’s darling and it provides a simple JSON API that can be integrated in your applications.  http://www.google.com/ig/calculator?hl=en&q=1USD=?INR Using the API is very simple and it takes two parameters as input. The first parameter “hl” is the language code in which you want output. The second parameter “q” is the conversion query in the format <number><from currency code>=?<to currency code>. In the URL give above the query requests for conversion of 1 USD in INR. JSON output for the above query would be  similar to {lhs: "1 U.S. dollar",rhs: "54.4602984 Indian rupees",error: "",icc: true} Examples: 100 USD in INR  http://www.google.com/ig/calculator?hl=en&q=100USD=?INR Example 2: 1 GBP in INR http://www.google.com/ig/calculator?hl=en&q=1GBP=?INR Example 3: 1 USD in INR, output the data in French language http://www.google.com/ig/calculator?hl=fr&q=1USD=?INR   This is an undocumented service and expect changes at any time. But as long as it works, you got a programmatic way to convert currencies.

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