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Oracle TNS names not showing when adding new connection to SQL Developer
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SQL Developer will look in the following location in this order for a tnsnames.ora file
$HOME/.tnsnames.ora
$TNS_ADMIN/tnsnames.ora
TNS_ADMIN lookup key in the registry
/etc/tnsnames.ora ( non-windows )
$ORACLE_HOME/network/admin/tnsnames.ora
LocalMachine\SOFTWARE\ORACLE\ORACLE_HO...
Is there any performance gain in indexing a boolean field?
...we search against. Adding an index on our Boolean field sped up queries by orders of magnitude, it went from about 9+ seconds to a fraction of a second.
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JavaScript module pattern with example [closed]
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In order to approach to Modular design pattern, you need to understand these concept first:
Immediately-Invoked Function Expression (IIFE):
(function() {
// Your code goes here
}());
There are two ways you can use the...
List all indexes on ElasticSearch server?
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you can also select and order columns adding e.g. &h=health,index as well as sort with &s=health:desc
– Georg Engel
Dec 18 '18 at 19:33
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Merge Images Side by Side(Horizontally)
...-image.png . All selected images will be joined as one png in alphabetical order
– user4098390
Mar 5 '17 at 10:53
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Uninstall ReSharper 4.5
...r from Control Panel, you might still see it in your visual studio.
So in order to remove it completely, follow these 2 steps :-
Click on the Resharper 4.5 installer (exe file) and instead of "Install", select "Remove". It works just like how the Visual Studio installer works, same exe file is us...
What's the difference between 'git merge' and 'git rebase'?
...ining the means (how it happens). Git requires understanding the means in order to understand the ends. It is precisely understanding the means which makes Git so difficult. As a tool, something used to simplify or reduce the effort required in task, Git fails horribly. Sadly, too many devs fail t...
How to select an element by classname using jqLite?
I'm trying to remove jquery from my Angular.js app in order to make it lighter, and put Angular's jqLite instead. But the app makes heavy use of find('#id') and find ('.classname'), which are not supported by jqLite, only 'tag names' (as per documentation)
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Is there an alternative to string.Replace that is case-insensitive?
... Compare: Microsoft.VisualBasic.CompareMethod.Text);
In order to use this method, you have to add a Reference to the Microsoft.VisualBasic assemblly. This assembly is a standard part of the .Net runtime, it is not an extra download or marked as obsolete.
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Calculating the difference between two Java date instances
...SECONDS=40, MILLISECONDS=0, MICROSECONDS=0, NANOSECONDS=0}, with the units ordered.
You just have to convert that map to an user-friendly string.
Warning
The above code snippets compute a simple diff between 2 instants. It can cause problems during a daylight saving switch, like explained in th...