I am new to Pure Data and have no idea why the following are displayed after I clicked help:
I am using Windows 7 and pd-extended 0.43.4.
This error (xy ...could not crate) means that this abstraction or external failed to instantiate. It could be that you don't have it installed, or it is not in Pd's search path so it can't find it. In the patch you are opening those objects seem to be used. In your case that might be the help file.
This is an answer on the pd forum by user whale-av already,
whale-av:
[midiin] and [sysexin] are not supported in windows. Some people have written patches to get around the lack of sysex, and instead of midiin you can use [ctrlin] [notein] etc.
[powtorms~] [mstopow~] do not exist as far as I know even in vanilla for windows, and in the windows extended 0.43.4 release they do not. I remember seeing that they were in a Linux vanilla build, and in a very old Pd build for XP.... so you might be able to find them......... someone might have built them as an external that you could add to your pd/extra folder and then use them like any other object. If you have opened someone elses patch then it is possible that they used those objects in that patch, but you do not have them so they will not "create" and will just show the name in a red dotted box instead of a solid black outline.
[scalar] does not exist, but [scalar-help] does and that explains how to use scalars....... which use other objects but not [scalar]
So, basically, not all objects exist in all versions of Pd, and certainly not under all operating systems.
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I would like to build a IDE in the browser. Basically a WebApp where you choose which language you want to write code in, then you submit it to an endpoint, and get back the output.
I could not find any docker images that existed and I tried to use Judge but it seems like it is going to cause issues and there is no customer support.
Has anyone built something like this before?
I come from C-family "mainstream" langages and i'm currently giving a try in Lua .
I made a simple code that check for a user entry and try to open an URL (built with user entry) in the default browser.
Saw the command os.execute("start "URL") that failed, saying that "os is undefined".
Well, seemed to be logical. I then researched the reason and discovered the "require" key word (which seems to act as a LoadLibrary or kind).
This is where I'm lost !
All forums says "yeah yeah just add require os and it will do". But it actually fail !
I obviously suspect that i am missing a "file" or path pointing at that "os" description. And that it's so obvious nobody found useful enough to explain or ask for it.
Can someone explain me what does require, in details ? Which file am i supposed to add (if i really need to ?).
If someone also have an online lesson to advise me, i'll accept it with pleasure. I feel like i'm missing a lot of basics and that's really not a "try to step-up" friendly langage
The standard Lua environment has os available without using require, so you must be using a non-standard Lua environment.
When Lua is embedded into different software, access to libraries like os is usually removed, as it is a security risk. (For example, if you allowed full access to the os library to anyone using Lua on a webserver, it would mean that anyone could run random shell commands on that server.)
If your Lua environment has been altered in this way, then there is a good chance that you will never be able to use the os library whatever you do.
I recently began looking into WebDAV, as I found it to be an option for letting me play a Blu-ray folder remotely - i.e. without requiring the viewer to download the whole 24gb ISO first.
Add a WebDAV source in Kodi v18 to a Blu-ray folder - and it actually plays! Very awesome.
The server can also be mounted on Windows with
net use m: http://example.com/webdavfolder/
or in Linux with
sudo mount -t davfs http://example.com/webdavfolder/ /mnt/mywebdav
-and should then (in theory) play with any software media players that supports Blu-ray Disc Java (BD-J), such as PowerDVD and VLC.
vlc bluray:///mnt/mywebdav --bluray-menu
PowerDVD.exe AUTOPLAY BD m:
(Unless of course time-out values has been set too low, which seems to be the case for VLC at the moment).
Anyway, all this is great, except I can't figure out how to make my WebDAV server read-only. Currently anyone can delete files as they wish, and that's of course not optimal.
So far I've only experimented with SabreDAV, because afaik that's the only option I have if I want to keep using my existing webhost. Trying with very minimal setups, because I've read that minimal setups should default to a read-only solution. It just doesn't seem to happen.
I initially used the setup from http://sabre.io/dav/gettingstarted/ and tried removing some lines. Also tried calling chmod 0444 MainFolder -R on the webserver. And I can see that everything does get a read-only attribute. But it changes nothing. It's still possible to delete whatever I want. :-(
What am I missing?
Maybe I'm using the wrong technology for what I want to do? Is there some other/better way of offering a Blu-ray folder for remote viewing? (One that includes the whole experience - i.e. full Java menus etc).
I should probably mention that all of this is of course perfectly legal. It is my own Blu-ray project - not copyright material.
Also: Difficult to decide if this belongs on StackOverflow or SuperUser. I ended up posting it on StackOverflow because SabreDAV is about coding, and because there's no sabredav tag on SuperUser.
You have two options:
Create your own file/directory classes for sabre/dav that simply throw an error when trying to delete. You can basically start with a copy of Sabre\DAV\FS\Directory and Sabre\DAV\FS\File and change the methods that do writing.
Since you're considering just using linux file permissions, really the key thing you are missing is that that 'deleting' is not controlled on the file or directory you're trying to delete. To delete a file or directory in unix, all you need is write permissions on the parent directory. However, I wouldn't recommend going this route as doing this will just cause a weird error in sabre/dav, which might leave clients in a confused state. It would result in a 500 error, not the expected 403 error.
I'm trying to write a little python application, and to start i simply drop the .py into the device and execute from there.
Now I am at the point where i probably need some credentials for accessing the tracker.
I dont want to create an aegis manifest at this point, since im still in early development, or in the worst case i would like to create a flying manifest for my script and thats it.
I found out (actually in the nokia sdk docs) that what i need is something called aegis-su (in aegis-dss-tools) or aegis-manifest (for the worst case), from aegis-manifest-dev
problem: i searched all google, and i cannot find these packages anywhere..
can someone help me?
Is there any way to delete a file when its using by any program or other process in windows?
I searched and found this 2 ways:
1- using RunOnce key in Registry;
I'm not gonna use this because i dont want to wait for windows restart or anything else... prefer to do it ontime!
2- using the way declared in this page: http://www.delphipages.com/forum/showthread.php?t=201190
the problem here is its useful under NT windows, i need a way works on all Windowses!
Thank you.
the problem here is its useful under NT windows, i need a way works on all Windowses!
All modern desktop Windowses (XP, Vista, 7) are also NT. Do you really need to work with NT<4 or Win98? Or even Win CE/Mobile/Phone? Probably not.
If you need to delete an open file straight away, about the only thing you can do is attach to each process using debugger privileges, see if it has any handles open on the file, and if so close them underneath it. You can do this the manual way using eg Process Explorer. Many applications won't react well to having their files closed on them; expect them to exception out when they try to do something with the dead handle.
Unfortunately there is no option in Windows to have Unix-style files that can exist attached to a file handle independently of being stored under a filename on disc.
You cant delete a file when someone is using it. No matter how hard you try, windows will not let you. It can work with some files, but in general it does not work.
What you can try is postpone the deletion, when no one is using the file. You can:
1 - use RunOnce, but you dont want that.
2 - Wait in a loop, trying to delete the file. Pseudo code:
DeleteFile
Check if you was able to delete or if file still exists.
if you are able to delete, then exit loop.
That is the best you can do, and what i could remeber.
Try MoveFileEx with MOVEFILE_DELAY_UNTIL_REBOOT flag. Will postpone move or delete action until reboot.
Edit:
If you don't whant to restart the only option is to close those handles. ProcessExplorer does that and works all the time and I have not seen any process to crash. See more info about enumeration handles in a process at
http://www.codeguru.com/forum/archive/index.php/t-176997.html. But keep in mint that you should enumerate all processes in the system and behave different on Vista+ (you need to be elevated)
Your files are most likely locked because some process has a handle open to them. That is the most common reason for the Access denied result when deleting or moving a file.
A really blunt way is to close that handle.
Then Handles tool from SysInternals (you can download the sources too) can do that for you: I have been successfully using that.
Note 1: You need administrative privileges to use it.
Note 2: Closing a handle from another process is considered very rude, and can make that process unstable.