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Converting Go struct to JSON
... I've come a long way since and like the language including the exporting by capitalization very much now.
– magiconair
Jun 3 '14 at 8:53
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Copying files using rsync from remote server to local machine
... Be careful when rsyncing with trailing slashes. The command given by Johnnysweb would create a directory called copy inside /path/to/local/storage. Like so /path/to/local/storage/copy. If that's what you want great. However a more common scenario is you want to copy the contents of the remo...
“R cannot be resolved to a variable”? [duplicate]
... that problem. If R.java does exist but variables in it aren't recognized by just one Java file, for instance, note whether that file is in the same package as R.java--if not, that's why R.id.* is out of scope.
– hotshot309
Jan 4 '12 at 2:19
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No route matches [GET] /assets
... do it either, since it's just a wrapper around Rails.
This is controlled by this setting in config/environments/production.rb in your application:
config.serve_static_files = false
Or in Rails 5:
# config/environments/production.rb
config.public_file_server.enabled = true
Or set ENV['RAILS_S...
How can I get Docker Linux container information from within the container itself?
...ocker_remote_api/
In a container, you can find out a shortedned docker id by examining $HOSTNAME env var.
According to doc, there is a small chance of collision, I think that for small number of container, you do not have to worry about it. I don't know how to get full id directly.
You can inspect...
Java EE web development, where do I start and what skills do I need? [closed]
...run on JSP, which is a fairly legacy view technology. JSP is been replaced by Facelets. You can learn JSF at Jakarta EE tutorial part III chapters 7 - 17. You can by the way also use JSF on Tomcat, you only have to install it separately. Installation instructions can be found at Mojarra homepage. Wi...
git clone through ssh
.... git remote add origin ssh://user@server:/GitRepos/myproject.git followed by git push origin master
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How to check which locks are held on a table
..., but this may helpful to you.
You can check which statements are blocked by running this:
select cmd,* from sys.sysprocesses
where blocked > 0
It will also tell you what each block is waiting on. So you can trace that all the way up to see which statement caused the first block that caused ...
Ternary Operator Similar To ?:
...s?
c ? p | q
Then you’ll need the following code. Notice the call-by-name (=>)
annotations on the arguments. This evaluation strategy is required to
correctly rewrite Java’s ternary operator. This cannot be done in Java
itself.
case class Bool(b: Boolean) {
def ?[X](t: =>...
What is the session's “secret” option?
...e/session.js#L256
The session is then protected against session hijacking by checking the fingerprint against the hash with the secret:
https://github.com/senchalabs/connect/blob/master/lib/middleware/session.js#L281-L287
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