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Heroku Postgres - terminate hung query (idle in transaction)
... to heroku
(The simple-stupid answer to this question may be ... just restart postgresql. Assuming that's not desirable or not an option ...)
Find the PID by running this sql:
SELECT pid , query, * from pg_stat_activity
WHERE state != 'idle' ORDER BY xact_start;
(The query may need mending...
Comet and jQuery [closed]
...f the different implementation. It's pretty interesting and should get you started.
Hope that helps!
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How to clear a notification in Android
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Starting with API level 18 (Jellybean MR2) you can cancel Notifications other than your own via NotificationListenerService.
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
public class MyNotificationListenerService extends ...
What is Ember RunLoop and how does it work?
...tation details differ. But, on to your questions:
When does Ember RunLoop start. Is it dependant on Router or Views or Controllers or something else?
All of the basic user events (e.g. keyboard events, mouse events, etc) will fire up the run loop. This guarantees that whatever changes made to boun...
Increasing the maximum number of TCP/IP connections in Linux
...ax_backlog=2000
sysctl net.ipv4.tcp_max_syn_backlog=2048
Now remember to start both your client and server side applications by increasing the FD ulimts, in the shell.
Besides the above one more popular technique used by programmers is to reduce the number of tcp write calls. My own preference is...
How do I get logs/details of ansible-playbook module executions?
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Thanks. Just greedy: Can I dynamically start/stop logging from a playbook? Like set -x and set +x in a shell script.
– Kashyap
Sep 16 '13 at 16:03
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Change working directory in my current shell context when running Node script
....chdir(directory). Here's an example from the documentation:
console.log('Starting directory: ' + process.cwd());
try {
process.chdir('/tmp');
console.log('New directory: ' + process.cwd());
}
catch (err) {
console.log('chdir: ' + err);
}
This is also testable in the Node.js REPL:
[monitor...
Android Studio - Auto complete and other features not working
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Go File > Invalidate Caches / Restart... > Click at Invalidate and Restart
This really works for me. source: https://code.google.com/p/android/issues/detail?id=61844#c4
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Xcode 4: How do you view the console?
...app then you can go into XCode4 preferences -> Alerts and click on 'Run starts' on the left hand column.
Then select 'Show Debugger' and when you run the app the NSLog output will be displayed below the editor pane.
This way you don't have to select on the 'up arrow' button at the bottom bar.
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
If you started a new Java EE project today which is to be finished in about a year, which application server would you choose and why?
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