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LISTAGG in Oracle to return distinct values
... ','([^,]+)(,\1)+', '\1')
-> 2 ,2.1,3,4 Success - fixed length items
V2 -items contained within items eg. 2,21
regexp_replace('2.1,1','([^,]+)(,\1)+', '\1')
-> 2.1 Fail
regexp_replace('2 ,2 ,2.1,1 ,3 ,4 ,4 ','(^|,)(.+)(,\2)+', '\1\2')
-> 2 ,2.1,1 ,3 ,4 -- success - NEW regex
regexp_r...
What are the differences between json and simplejson Python modules?
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It seems the Python2.7 json adopted simplejson v2.0.9 which is far behind the current simplejson v3.6.5 as of writing. There are lots of improvements worth the import simplejson
– Kenji Noguchi
Nov 11 '14 at 19:30
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Best way to test exceptions with Assert to ensure they will be thrown
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Now, 2017, you can do it easier with the new MSTest V2 Framework:
Assert.ThrowsException<Exception>(() => myClass.MyMethodWithError());
//async version
await Assert.ThrowsExceptionAsync<SomeException>(
() => myObject.SomeMethodAsync()
);
...
How can I do string interpolation in JavaScript?
...them simply as
> `foo
... bar`
'foo\n bar'
Note: I used io.js v2.4.0 to evaluate all the template strings shown above. You can also use the latest Chrome to test the above shown examples.
Note: ES6 Specifications are now finalized, but have yet to be implemented by all major browsers. ...
What is the best practice for “Copy Local” and with project references?
...es 2,438–2,450 and 2,474–2,524 from C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Microsoft.Common.targets into Common.targets.
For completeness the resulting target definition then becomes:
<!-- This is a modified version of the Microsoft.Common.targets
version of this target it does ...
AngularJS - Create a directive that uses ng-model
...replace it, leave the scope alone, but note that replace is deprecated for v2.0:
app.directive('myReplacedDirective', function($compile) {
return {
restrict: 'E',
template: '<input class="some">',
replace: true
};
});
Otherwise use this:
app.directive('myDirectiveWithScope',...
Using GCC to produce readable assembly?
...code on the file foo.s.
Ripped straight from http://www.delorie.com/djgpp/v2faq/faq8_20.html (but removing erroneous -c)
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Disadvantages of Test Driven Development? [closed]
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Several downsides (and I'm not claiming there are no benefits - especially when writing the foundation of a project - it'd save a lot of time at the end):
Big time investment. For the simple case you lose about 20% of the actual implementation, but for com...
what is the difference between a portlet and a servlet?
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Portlet Specifications - JSR 168(Portlet Spec v1.0), JSR 286(Portlet Spec v2.0), JSR 362(Portlet Spec v3.0)
Deployment of Portlets involves different approach than a Servlet application. Some Providers (Liferay/Alfresco/WebSphere) support hot-deploying of portlets without the need to restart the s...
Differences between Oracle JDK and OpenJDK
... Oracle and the open Java community.
OpenJDK is released under license GPL v2 wherein Oracle JDK is licensed under Oracle Binary Code License Agreement.
Actually, Oracle JDK’s build process builds from OpenJDK source code. So there is no major technical difference between Oracle JDK and OpenJDK.
A...