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How to use the IEqualityComparer
I have some bells in my database with the same number. I want to get all of them without duplication. I created a compare class to do this work, but the execution of the function causes a big delay from the function without distinct, from 0.6 sec to 3.2 sec!
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SQL/mysql - Select distinct/UNIQUE but return all columns?
...ery:
SELECT * from table GROUP BY field1;
It will show all your results based on a single instance of field1.
For example, if you have a table with name, address and city. A single person has multiple addresses recorded, but you just want a single address for the person, you can query as follows...
res.sendFile absolute path
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Based on the other answers, this is a simple example of how to accomplish the most common requirement:
const app = express()
app.use(express.static('public')) // relative path of client-side code
app.get('*', function(req, r...
How to reshape data from long to wide format
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I would say base R still wins vote-wise by a factor of about 2 to 1
– vonjd
Nov 22 '18 at 15:14
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What does “#pragma comment” mean?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Git cherry pick vs rebase
...The true distinction lies in original intent to create both tools:
git rebase's task is to forward-port a series of changes a developer has in their private repository, created against version X of some upstream branch, to version Y of that same branch (Y > X). This effectively changes the bas...
Reload django object from database
Is it possible to refresh the state of a django object from database? I mean behavior roughly equivalent to:
4 Answers
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What is the difference between a web API and a web service?
...SDL from which you can create client stubs automatically. Web Services are based on the SOAP protocol.
ASP.NET Web API is a newer Microsoft framework which helps you to build REST based interfaces. The response can be either JSON or XML, but there is no way to generate clients automatically because ...
Django rest framework, use different serializers in the same ModelViewSet
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Based on @gonz and @user2734679 answers I've created this small python package that gives this functionality in form a child class of ModelViewset. Here is how it works.
from drf_custom_viewsets.viewsets.CustomSerializerView...
Why is setTimeout(fn, 0) sometimes useful?
...d - I just made it very detailed.
UPDATE: I have made a JSFiddle to live-demonstrate the explanation below: http://jsfiddle.net/C2YBE/31/ . Many thanks to @ThangChung for helping to kickstart it.
UPDATE2: Just in case JSFiddle web site dies, or deletes the code, I added the code to this answer at...