I want to set auto-updates up for my apps before I release. I'm a budding programmer, so when I looked into node-webkit-updater I was pretty confused. It seems under-documented to me. Can someone explain the overall update mechanism that it helps implement?
As an alternative to node-webkit-updater, I was thinking of creating my own update system. I kinda like how Apple handles extension updates and I was thinking about replicating it. This would involve putting a JSON/XML manifest file on Amazon S3 along with the latest versions of the app for all platforms. The app checks the file at startup and replaces itself with the new version.
Is the latter sound plausible? Am I better off going with node-webkit-updater? If so, can someone explain it to me please? My app is a Mac + Windows project.
This is what we did:
The first script of the page checks a custom "manifest" (.txt file) on the server, which contains some arbitrary text, e.g. version number.
If this value differs from a local version of the manifest, then download a .zip file from server. (The zip contains the latest nwjs website. You could have a separate one for each platform).
Unzip into a local directory (we use 7za command line util).
Set window.location.href to above local directory (index.html).
I know this is a old question, but here is the answer :)
https://www.npmjs.org/package/node-webkit-updater
Related
We hold our landing page on Azure and it is for users to download an Android apk file. This landing page is a html file. Here is the markup for users to download:
download here
It all works fine until now. Users start to complain that the app they downloaded cannot work properly. But when we tested, it works fine.
Finally we find out that, although the link is
http://www.[mysite].com/android/[MyAndroidApp].apk
but sometimes when user click it, it goes to
http://101.44.1.131/cloud/223.210.55.28/files/9216...636//www.[mysite].com/android/[MyAndroidApp].apk
This is a buffer and holds an old version of our app!
Can anyone tell me why this happen and how can I prevent it buffer our old version?
How often do you update this apk file?
May be a caching issue, but not sure exactly.
Have you tried using Azure storage? Upload the file on there, and then link directly to it.
Should cost you less in the long run and not cause any buffering/cache issues
I would suggest you try to put version numbers after your filename. This is also a good practice for .js files. A problem is very often that it's cached and the cache not updated correctly. It's a general problem in the web.
So. Try to put version numbers after the file name, and let us know if this works.
Thank you all for your suggestions.
We have found the reason. Looking at the redirect url, it is actually some ISPs cached our apk files. They are doing this so that they can save themselves money and bandwidth. This is a common practice in some countries and is well documented.
How evil it is.
Our solution is thus change the file name very time we deploy a new version.
I have a project Pyramid Application. I store it on git and pull the branch to the server when I need update. Until now I was working on Koding but lately decided to check out azure and it's developer's benefits.
After I've created ubuntu server virtual machine (which actually is what runs under Koding) I've downloaded my project using git pull, but forgot to change the branch to the one I'm working on atm. So I did, but server still shows me the old page (like I didn't checkout the other branch). So I checked sftp and files show me they have been updated.
Why am I still seeing the old page?
Now I know the reason why! (at least I think, but please. correct me if I'm wrong)
I noticed that there was .pyc file for every .py file, and those are "compiled" (bit of simplification?) python files as I understood it. And it seemed to me that they were not "compiled" on app launch. But they compiled with setup.py... edit dates suggest that.
So the reason why I didn't see the changes I did in code was that... http.server was using old "compiled" files instead of the source files! But is that normal/expected behaviour? Dunno. There are many other quetions now, but main question was answered so I mark this as answer until someone gives better answer.
I just try to set up Valves Source SDK 2013 for Linux but I need to say that I find the wiki + documentation rather confusing and partly heavily outdated (Windows-only instructions, only for GoldSrc / pre-20XX SDk etc.).
I hope that someone who already has gone through the hassle can supply me with some hints on how to correctly set up the system.
I tried to use some Windows-specific instructions to understand the system but some are highly platform-specific.
So here is the current status (I based what I did on this wiki page: Wiki: Source SDK 2013:
The source of the SDK SDK 2013 from GitHub is cloned to
~/Git/source-sdk-2013/
the SDK Base 2013 installed via Steam and the steam-runtime to
~/working/steam-runtime-sdk_2013-09-05/
I was not sure whether there is a specific path I should put the steam runtime into so I just put it into my self-created working dir.
# Create a Multiplayer sample project
export SDKROOT="~/Git/source-sdk-2013"
bash $SDKROOT/mp/src/creategameprojects
bash $SDKROOT/mp/src/createallprojects
# Setup Steam Runtime
export STEAMRT="~/working/steam-runtime-sdk_2013-09-05/"
cd $STEAMRT
# Choose all build targets (i386 + amd64) and download these
./setup.sh
# Set current to target to the same as host machine (ie. amd64)
./shell.sh
# Compile the actual game
make -f $SDKROOT/mp/src/games.mak
I have not yet touched any source files as there's plenty of sources already supplied. I just wanted to confirm having a working toolchain set up
This all compiles fine but in the end the script wants to chmod the client.so and server.so but claims "not found" – but it sadly does not provide any information where it searched for them. Actually these are existant in
$SDKROOT/mp/game/mod_hl2mp/bin
and even marked as executable (-rwxr-xr-x).
So I just ignored this and hoped for the best. The next line to me sounds a bit strange:
At this point you should have client.so and server.so files to load with the Source SDK Base 2013 of your choice.
So I should be able so load the files with "the Source SDK Base 2013" (of your choice?!? Valve is the only one providing it O.o). How am I supposed to do that? I have not found any hint whatsoever for that, sadly.
But they hint me to the README.txt of the steam-runtime which tells me to do this:
run.sh ./MyGame
But where's the executable? I only have .so's
And this is the point where I currently am. I'm quite confused as I have many questions now:
Why do only the Linux users need to download the steam runtime? What if I want to not ship via Steam?
Is that chmod failure a script failure or a mistake in my directory setup?
How do I load these libraries via the SDK Base
Where is the binary? I'm quite confused here...
Have I overlooked something?
I appreciate any hints or links to resources, maybe explanations when I just were to dumb to understand what they mean :P
EDIT: Actually there is a GitHub repo for the steam-runtime too (GitHub/steam-runtime) – why is the download so outdated, the git repo has some updated stuff going on. Which should one choose?
With the help of a friend I didn't expect to be able to answer this (he didn't know about Linux but we could figure it out) I could solve it faster than expected.
To "load" the game via the Steam SDK Base just append the -game parameter and point it to the directory with the gameinfo.txt (ie. $SDKROOT/mp/game/mod_hl2mp/) in it.
Alternatively just copy the contents of this directory to
~/.local/share/Steam/steamapps/sourcemods/$MYSOURCEMOD
where $MYSOURCEMOD is how you want to call it (do not use spaces). Then add a steam.inf file in that dir with following content:
appID=243750
ProductName=$MYSOURCEMOD
PatchVersion=1.0.0.0
After a restart Steam will be able to find the sourcemod.
I'm not quite sure what the "steam-runtime" thingy is but I suppose it is to set up the build environment (to use a custom gcc etc.) as this is how the scripts look like. I'm not sure why you should run the game via the run.sh in the bin/ subfolder of the runtime instead of via Steam or via the parameter one the Source SDK Base but maybe someone can enlighten me here.
The archive one shall download is only a downloader/configurator for the steam-runtime hosted on GitHub.
What are the best steps to take to prevent bugs and/or data loss in moving servers?
EDIT: Solved, but I should specify I mean in the typical shared hosting environment e.g. DreamHost or GoDaddy.
Bootstrap config is the smartest method (Newism has a free bootstrap config module). I think it works best on fresh installs myself, but ymmv.
If you've been given an existing EE system and need to move it, there are a few simple tools that can help:
REElocate: all the EE 2.x path and config options, in one place. Swap one URL for another in setup, check what's being set and push the button.
Greenery: Again, one module to rule them all. I've not used this but it's got a good rating.
So install, set permissions, move files and and DB, and then use either free module. If you find that not all the images or CSS instantly comes back online, check your template base paths (in template prefs) and permissions.
I'm also presuming you have access to the old DB. If not, and you can't add something simple like PHPMyAdmin to back it up, try:
Backup Pro(ish): A free backup module for files and db. Easy enough that you should introduce it to the site users (most never consider backups). All done through the EE CP. The zipped output can easily be moved to the new server.
The EE User Guide offers a reasonably extensive guide to Moving ExpressionEngine to Another Server and if you follow all of these steps then you will have everything you need to try again if any bugs or data loss occur.
Verify Server Compatibility
Synchronize Templates
Back-up Database and Files
Prepare the New Database
Copy Files and Folders
Verify File Permissions
Update database.php
Verify index.php and admin.php
Log In and Update Paths
Clear Caches
As suggested by Bitmanic, a dynamic config.php file helps with moving environments tremendously. Check out Leevi Graham's Config Bootstrap for a quick and simple solution. This is helpful for dev/staging/prod environments too!
I'd say the answer is the same as any other system -- export your entire database, and download all of your files (both system and anything uploaded by users - images, etc). Then, mirror this process by importing/uploading to the new server.
Before I run my export, I like to use the Deeploy Helper module to change all of my file paths in EE to the new server's settings.
Preventing data loss primarily revolves around the database and upload directories.
Does your website allow users to interact with the database? If so at some point you'll need to turn off EE to prevent DB changes. If not that you don't have too much to worry about as you can track and changes on the database end between the old and new servers.
Both Philip and Derek offer good advice for migrating EE. I've also found that having a bootstrap config file helps tremendously - especially since you can configure your file upload directories directly via config values now (as of EE2.4, I think).
For related information, please check out the answers to this similar Stack Overflow question.
On my webpage, I have placed a link to a local file (e.g. "text.docx" on my local HD). I would like to double click on this link, and have a third party software which is installed locally on my PC (e.g. Microsoft Word) open it.
I would like to be able to do this with Firefox and Google Chrome. Obviously, I am a newbie to web programming.. can somebody show me the way? I have looked around and had the impression that I need to write and add an extension, maybe?
Thanks for your time. Jakob
This is only possible if you know either the absolute path to the file or the relative path from whatever working directory your browser runs from. You the create a link with
href="file://relative/path/to/file/text.docx"
or
href="file:///absolute/path/to/file/text.docx"
and any modern browser will query the system database for the mimetype of the file depending on its extension, thus prompting to open the correct application.
EDIT
I inawarently introduced a unixism in the previous code: Distinction bewteen absolute and realtive paths as above works well on current *nix desktops, but in Windows an absolute path will most likely look like
href="file://C:/drive/absolute/path/to/test.docx"
Mind the 2 (not 3) slashes a the beginning, and the forward (not backward) slashes.
As far as I know, you can't link to local files from a website. If you upload it to where your files are, you could then be able to download it.
I was able to execute code locally, using Firefox, by adding an extension which used the XPCOM interface. One such extension was "commandrun", and may be found here: https://github.com/aabeling/commandrun .