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HTTP Error 503, the service is unavailable
... like "Application pool Foo has been disabled. Windows Process Activation Service (WAS) encountered a failure when it started a worker process to serve the application pool." If it is a bad username or password in the identity, then that will be mentioned in a preceding warning log.
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Service Temporarily Unavailable Magento?
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Now in new version magento2 on Generate error Service Temporarily Unavailable.
Remove maintenance.flag
From this path which is changed magento2/var/maintenance.flag.
Also
$ rm maintenance.flag
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Node.js on multi-core machines
...ute tasks and chewing up the other 15 CPUs.
For scaling throughput on a webservice, you should run multiple Node.js servers on one box, one per core and split request traffic between them. This provides excellent CPU-affinity and will scale throughput nearly linearly with core count.
Scaling thr...
Installing multiple instances of the same windows service on a server
So we've produced a windows service to feed data to our client application and everything is going great. The client has come up with a fun configuration request that requires two instances of this service running on the same server and configured to point at separate databases.
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(SC) DeleteService FAILED 1072
Last time I create WAS profile and WASService then I try to config and run many script for learn how to config WAS, Finally it crash so i use wasprofile delete this profile and forgot delete WASService.
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WCF timeout exception detailed investigation
We have an application that has a WCF service (*.svc) running on IIS7 and various clients querying the service. The server is running Win 2008 Server. The clients are running either Windows 2008 Server or Windows 2003 server. I am getting the following exception, which I have seen can in fact be rel...
How should a model be structured in MVC? [closed]
...le to store data, and your Data Mappers are parsing from and to XML files.
Services
You can think of them as "higher level Domain Objects", but instead of business logic, Services are responsible for interaction between Domain Objects and Mappers. These structures end up creating a "public" interfa...
REST API Token-based Authentication
...uthentication. Because the authentication itself occurs via an external webservice over HTTP, I reasoned that we would dispense tokens to avoid repeatedly calling the authentication service. Which brings me neatly to my first question:
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Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
...ed a long time ago, what you may want to use is popen:
os.popen('cat /etc/services').read()
From the docs for Python 3.6,
This is implemented using subprocess.Popen; see that class’s
documentation for more powerful ways to manage and communicate with
subprocesses.
Here's the corres...
What is the difference between a port and a socket?
...or the listening state.
A port is a virtualisation identifier defining a service endpoint (as distinct from a service instance endpoint aka session identifier).
A TCP socket is not a connection, it is the endpoint of a specific connection.
There can be concurrent connections to a service endpoi...