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Postgresql: password authentication failed for user “postgres”
... user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times without this problem. What should I do? And what happens?
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Akka or Reactor [closed]
...which is what you imply by “distributed”). For “modular” I do not know enough about Reactor, in particular how you can look up active components and manage them.
If you start a real project now and need something which satisfies your first sentence, then I don’t think it would be controve...
Difference between await and ContinueWith
...ere. If you don't specify where you want the continuation to run, I don't know what the default is but it could easily end up running on a thread pool thread... at which point you can't access the UI, etc.
– Jon Skeet
Sep 23 '13 at 19:59
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How to use android emulator for testing bluetooth application?
... adapter to 'Bridged'. ·
Start the VM and select 'Live CD VESA' at boot.
Now you need to find out the IP of this VM. Go to terminal in VM (use Alt+F1
& Alt+F7 to toggle) and use the netcfg command to find this.
Now you need open a command prompt and go to your android install
folder (on host)...
AWS MySQL RDS vs AWS DynamoDB [closed]
I've been using MySQL for a fair while now and I'm comfortable with its structure & SQL Queries etc.
4 Answers
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What's wrong with foreign keys?
...n get nice "on delete cascade" behavior, automatically cleaning up tables
knowing about the relationships between tables in the database helps the Optimizer plan your queries for most efficient execution, since it is able to get better estimates on join cardinality.
FKs give a pretty big hint on wh...
Transferring ownership of an iPhone app on the app store
...n app which we're going to be submitting to the store pretty soon, but we know that we'll be selling the app to another company in the near future. Does anyone have any experience with moving an app's ownership to another account?
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What's the difference between git reset --mixed, --soft, and --hard?
...e index matches C.
When we run git reset --soft B, master (and thus HEAD) now points to B, but the index still has the changes from C; git status will show them as staged. So if we run git commit at this point, we'll get a new commit with the same changes as C.
Okay, so starting from here again:...
Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
...se, I need to test my code on Internet Explorer 6 and Internet Explorer 7. Now Internet Explorer 8 has some great tools for developer, which I'd like to use. I'd also like to start testing my code with Internet Explorer 8, as it will soon be released.
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Examples of GoF Design Patterns in Java's core libraries
I am learning GoF Java Design Patterns and I want to see some real life examples of them. What are some good examples of these Design Patterns in Java's core libraries?
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