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How to list active / open connections in Oracle?
Is there any hidden table, system variable or something to show active connections in a given moment?
9 Answers
...
Adding a guideline to the editor in Visual Studio
...Puts a white line at column 4 and column 80. This should be the value of a string value Guides in "Text Editor" key (see bellow).
Be sure to pick a line color that will be visisble on your background. This color won't show up on the default background color in VS. This is the value for a light grey...
Android: ProgressDialog.show() crashes with getApplicationContext
... YouTube.this.getApplicationContext(), "",
YouTube.this.getString(R.string.loading), true);
// start time consuming background process here
}
}, 1000); // starting it in 1 second
}
s...
How do I get the current username in Windows PowerShell?
...ntents of Run-AsUser.ps1 script:
param(
[Parameter(Mandatory=$true)]
[string]$script,
[Parameter(Mandatory=$true)]
[System.Management.Automation.PsCredential]$cred
)
Start-Process -Credential $cred -FilePath 'powershell.exe' -ArgumentList 'noprofile','-Command',"$script"
...
How do you properly determine the current script directory in Python?
...rand type(s) for +: 'WindowsPath' and 'str' when I tried appending another string to the file path with the + operator. A workaround that worked was wrapping *parent* in str() function.
– Daniel Dut
Jul 4 '18 at 5:54
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How can I set the default timezone in node.js?
...rdam'
> d = new Date()
Sat, 24 Mar 2012 05:50:39 GMT
> d.toLocaleTimeString()
'06:50:39'
> ""+d
'Sat Mar 24 2012 06:50:39 GMT+0100 (CET)'
You can't change the timezone later though, since by then Node has already read the environment variable.
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What is the best way to conditionally apply attributes in AngularJS?
...ing flag of $interpolate is used, so if any expression in the interpolated string results in undefined, the attribute is removed and not added to the element."
– Reactgular
Nov 6 '14 at 18:01
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
...rom a queue
Sidekiq.redis { |r| r.lrem "queue:app_queue", -1, "the payload string stored in Redis" }
You could do all of this even more easily via redis-cli :
$ redis-cli
> select 0 # (or whichever namespace Sidekiq is using)
> keys * # (just to get an idea of what you're working with)
>...
Getting the class name of an instance?
...
Do you want the name of the class as a string?
instance.__class__.__name__
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Make sure that the controller has a parameterless public constructor error
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My deep in the bowels exception was a property type of 'string' when it should have been 'DateTime?'. Would not have looked for that had I not seen this answer. Thanks so very much.
– Jazzy
Apr 24 '17 at 19:25
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