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Using an RDBMS as event sourcing storage
...sights on some of the choices we made.
Firstly we found (even with unique UUIDs/GUIDs instead of integers) for many reasons sequential IDs occur for strategic reasons, thus just having an ID wasn't unique enough for a key, so we merged our main ID key column with the data/object type to create what...
What is the maximum possible length of a query string?
... backend engineers that we won't accept a list of one hundred 36 character UUIDs in the queryParams of a GET request. Thanks!
– Mordred
Jan 15 at 22:37
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Difference between partition key, composite key and clustering key in Cassandra?
...wo int,
k_clust_one text,
k_clust_two int,
k_clust_three uuid,
data text,
PRIMARY KEY((k_part_one, k_part_two), k_clust_one, k_clust_two, k_clust_three)
);
Behind these names ...
The Partition Key is responsible for data distribution across your nodes.
The C...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...red with MessagePack.
BSON has special types like "ObjectId", "Min key", "UUID" or "MD5" (I think these types are required by MongoDB). These types are not compatible with JSON. That means some type information can be lost when you convert objects from BSON to JSON, but of course only when these sp...
Amazon S3 direct file upload from client browser - private key disclosure
...image/jpeg" /><br />
<input type="hidden" name="x-amz-meta-uuid" value="14365123651274" />
Tags for File: <input type="input" name="x-amz-meta-tag" value="" /><br />
<input type="hidden" name="AWSAccessKeyId" value="AKIAIOSFODNN7EXAMPLE" />
<input ...
Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?
... this command takes forever to run, how to select target sim with uuid?
– the_prole
Jun 1 '18 at 16:32
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Common MySQL fields and their appropriate data types
...T, UNSIGNED |
| uuid | CHAR(36) | or CHAR(16) binary |
| title | VARCHAR(255) | ...
What is the difference between URI, URL and URN? [duplicate]
... example:
urn:isbn:0451450523 to identify a book by its ISBN number.
urn:uuid:6e8bc430-9c3a-11d9-9669-0800200c9a66 a globally unique identifier
urn:publishing:book - An XML namespace that identifies the document as a type of book.
URNs can identify ideas and concepts. They are not restricted to...
How do I add a placeholder on a CharField in Django?
... For chinese, you need the preceeding u like this: {'placeholder': u'搜索'}
– shellbye
Oct 14 '17 at 3:52
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What is the difference between a URI, a URL and a URN?
... example:
urn:isbn:0451450523 to identify a book by its ISBN number.
urn:uuid:6e8bc430-9c3a-11d9-9669-0800200c9a66 a globally unique identifier
urn:publishing:book - An XML namespace that identifies the document as a type of book.
URNs can identify ideas and concepts. They are not restricted to...