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Principles for Modeling CouchDB Documents

...ween various, smaller documents can be confusing at first, but CouchDB provides several options for combining disparate pieces into single responses. The first big one is view collation. When you emit key/value pairs into the results of a map/reduce query, the keys are sorted based on UTF-8 collati...
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How do I (or can I) SELECT DISTINCT on multiple columns?

...roughly equivalent to: SELECT a,b,c FROM t GROUP BY a,b,c It's a good idea to get used to the GROUP BY syntax, as it's more powerful. For your query, I'd do it like this: UPDATE sales SET status='ACTIVE' WHERE id IN ( SELECT id FROM sales S INNER JOIN ( SELECT salepr...
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what is the difference between GROUP BY and ORDER BY in sql

... Can you please provide an example? – Rice Sep 13 '17 at 16:06 ...
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How can I dynamically create a selector at runtime with Objective-C?

...at runtime. This can be done with the NSSelectorFromString function: setWidthHeight = NSSelectorFromString(aBuffer); Edit: Bummer, too slow. :P share | improve this answer | ...
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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I

... do you have any idea what the technical reason is for not allowing it? I can't find any info on this. – jtate Feb 15 '19 at 21:29 ...
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How to upload a file to directory in S3 bucket using boto

...boto import boto.s3 import sys from boto.s3.key import Key AWS_ACCESS_KEY_ID = '' AWS_SECRET_ACCESS_KEY = '' bucket_name = AWS_ACCESS_KEY_ID.lower() + '-dump' conn = boto.connect_s3(AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY) bucket = conn.create_bucket(bucket_name, location=boto.s3.co...
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How to style input and submit button with CSS?

... http://jsfiddle.net/vfUvZ/ Here's a starting point CSS: input[type=text] { padding:5px; border:2px solid #ccc; -webkit-border-radius: 5px; border-radius: 5px; } input[type=text]:focus { border-color:#333; } i...
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Search for one value in any column of any table inside a database

Is there a way to search for one value (in my case it is a UID of the type char(64) ) inside any column of any table inside one MS SQL Server database? ...
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Selenium wait until document is ready

... not sure whether it quits the page loading after the exception thrown. i didn't try this code yet. Want to just try it. This is an implicit wait. If you set this once it will have the scope until the Web Driver instance destroy. See the documentation for WebDriver.Timeouts for more info. ...
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Iterate over model instance field names and values in template

...: from django.forms.models import model_to_dict def show(request, object_id): object = FooForm(data=model_to_dict(Foo.objects.get(pk=object_id))) return render_to_response('foo/foo_detail.html', {'object': object}) in the template add: {% for field in object %} <li><b>{{...