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psql: FATAL: Ident authentication failed for user “postgres”
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Did you set the proper settings in pg_hba.conf?
See https://help.ubuntu.com/stable/serverguide/postgresql.html how to do it.
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Eclipse hangs on loading workbench
...cd Eclipse.app/Contents/MacOS/
Thank you Andrew's comment for this post: https://stackoverflow.com/a/1783448/2162226
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How to access session variables from any class in ASP.NET?
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and if you want to convert to HttpSessionStateBase: HttpSessionStateBase session = new HttpSessionStateWrapper(HttpContext.Current.Session); re: stackoverflow.com/questions/5447611/…
– sobelito
Oct 26 '19 at 6:17
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If a DOM Element is removed, are its listeners also removed from memory?
...n this;
}
apparently jQuery uses node.removeChild()
According to this : https://developer.mozilla.org/en-US/docs/DOM/Node.removeChild ,
The removed child node still exists in memory, but is no longer part of the DOM. You may reuse the removed node later in your code, via the oldChild object ref...
How to configure git push to automatically set upstream without -u?
... it with git config using git config --global push.default current.
Docs: https://git-scm.com/docs/git-config/#Documentation/git-config.txt-pushdefault
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Use JavaScript to place cursor at end of text in text input element
...t.selectionStart = that.selectionEnd = 10000; }, 0);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input id='el' type='text' value='put cursor at end'>
Using Vanilla JS (borrowing addEvent function from this answer)
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How to take all but the last element in a sequence using LINQ?
...ceFromExpensiveSource();
var allExceptLast = sequence.SkipLast(1);
From https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.skiplast
Returns a new enumerable collection that contains the elements from source with the last count elements of the source collection omitted.
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What are the key differences between Scala and Groovy? [closed]
...a also has dynamica compilation and I have done it using twitter eval lib (https://github.com/twitter/util ). I kept scala code in a flat file(without any extension) and using eval created scala class at run time.
I would say scala is meta programming and has feature of dynamic complication
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Peak-finding algorithm for Python/SciPy
...ng algorithms to use in Python, here a rapid overview of the alternatives: https://github.com/MonsieurV/py-findpeaks
Wanting myself an equivalent to the MatLab findpeaks function, I've found that the detect_peaks function from Marcos Duarte is a good catch.
Pretty easy to use:
import numpy as np
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is there a post render callback for Angular JS directive?
...ctives on the same element will result in a $compile:multidir Error - see: https://docs.angularjs.org/error/$compile/multidir
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