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PG::ConnectionBad - could not connect to server: Connection refused
...ad -w homebrew.mxcl.postgresql.plist
OR on newer versions of Brew
brew services restart postgresql
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How to retrieve the LoaderException property?
I get a error message while updating my service reference:
4 Answers
4
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Troubleshooting BadImageFormatException
I have a Windows service written in C# using Visual Studio 2010 and targeting the full .NET Framework 4. When I run from a Debug build the service runs as expected. However, when I run it from a Release build I get a System.BadImageFormatException (details below). I've been searching the internet...
REST authentication and exposing the API key
...cret
key. So a public javascript client that connects directly to another
service is not possible because you need a server middleman to
protect the secret.
Server signs request using some algorithm that includes the secret
key (the secret key is sort of like a salt) and preferably a timestamp then...
Start ssh-agent on login
...y great (should work on all systemd-based distros):
Create a systemd user service, by putting the following to ~/.config/systemd/user/ssh-agent.service:
[Unit]
Description=SSH key agent
[Service]
Type=simple
Environment=SSH_AUTH_SOCK=%t/ssh-agent.socket
ExecStart=/usr/bin/ssh-agent -D -a $SSH_AUT...
OSGi, Java Modularity and Jigsaw
... correct package, replacing direct instantiation with the use of decoupled services, and so on.
This makes it hard to apply OSGi directly to the JRE codebase, yet we still have a requirement to split the JRE into separate pieces or "modules" so that cut-down versions of the JRE can be delivered.
I...
BasicHttpBinding vs WsHttpBinding vs WebHttpBinding
...ically just hit a URL and get back a truckload of XML or JSON from the web service
basicHttpBinding and wsHttpBinding are two SOAP-based bindings which is quite different from REST. SOAP has the advantage of having WSDL and XSD to describe the service, its methods, and the data being passed around ...
Is it possible to make a Tree View with Angular?
...nd out about this in this thread, and abstracted this functionality into a service.
module.factory('RecursionHelper', ['$compile', function($compile){
return {
/**
* Manually compiles the element, fixing the recursion loop.
* @param element
* @param [link] A ...
How do you increase the max number of concurrent connections in Apache?
...hreads determined by ThreadsPerChild parameter so this means 2 process can service only 50 concurrent connections/clients i.e. 25x2=50. Now if more concurrent users comes, then another child process will start, that can service another 25 users. But how many child processes can be started is control...
How to read multiple text files into a single RDD?
...ollection.JavaConverters._
import java.util.ArrayList
import com.amazonaws.services.s3.AmazonS3Client
import com.amazonaws.services.s3.model.ObjectListing
import com.amazonaws.services.s3.model.S3ObjectSummary
import com.amazonaws.services.s3.model.ListObjectsRequest
def listFiles(s3_bucket:String,...