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Efficiently test if a port is open on Linux?
... sending an email, exiting the script on failure, or starting the required service.
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Openstreetmap: embedding map in webpage (like Google Maps)
...s such as markers, with plugins it also supports routing using an external service.
For a simple map, it is IMHO easier and faster to set up than OpenLayers, yet fully configurable and tweakable for more complex uses.
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AngularJS - Access to child scope
...rties in parents and access them from children (read the link above)
Use a service to share state
Pass data through events. $emit sends events upwards to parents until the root scope and $broadcast dispatches events downwards. This might help you to keep things semantically correct.
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Private pages for a private Github repo
...umentation (static HTML) internally and privately.
I ended up creating a service https://www.privatehub.cloud It is basically a simple proxy server with Github OAuth authentication, so it merely returns your GitHub repository content with a proper MIME type. By design, only who have access to foo ...
What is the difference between ports 465 and 587?
...mbers Authority (IANA):
Port 587: [SMTP] Message submission (SMTP-MSA), a service that accepts submission of email from email clients (MUAs). Described in RFC 6409.
Port 465: URL Rendezvous Directory for SSM (entirely unrelated to email)
Historically, port 465 was initially planned for the SMTPS e...
What is the difference between “expose” and “publish” in Docker?
...XPOSE
Specify EXPOSE and -p
1) If you specify neither EXPOSE nor -p, the service in the container will only be accessible from inside the container itself.
2) If you EXPOSE a port, the service in the container is not accessible from outside Docker, but from inside other Docker containers. So this...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
...ilar question here:
How do I upload a file with metadata using a REST web service?
You basically have three choices:
Base64 encode the file, at the expense of increasing the data size by around 33%, and add processing overhead in both the server and the client for encoding/decoding.
Send the fil...
What to do on TransactionTooLargeException
...d I found that when there huge amount of data getting exchanged between a service and an application,(This involves transferring lots of thumbnails). Actually data size was around 500kb, and the IPC transaction buffer size is set to 1024KB. I am not sure why it exceeded the transaction buffer.
Thi...
SSO with CAS or OAuth?
...you want your application to accept users login to whatever authentication service they want (the user provides the OpenID server address - in fact, the 'username' is the server's URL).
None of the above handle authorization (without extensions and/or customization).
OAuth handles authorization, b...
Referenced Project gets “lost” at Compile Time
I have a C# solution with two projects: a service (the main project) and a logger. The service uses classes from the logger. I've added a Reference to the logger project within the service project. At design time, autocomplete works fine: the logger's classes are visible, references that I use are c...