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Using Kafka as a (CQRS) Eventstore. Good idea?
... re-applying all events in the stream. Each Kafka topic consists of one or more partitions and each partition is stored as a directory on the file system. There will also be pressure from ZooKeeper as the number of znodes increases.
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Saving an Object (Data persistence)
...code as in my example -- I purposefully wrote it the way I did to show how more than one object could be saved into (and later read back from) the same file.
– martineau
Dec 25 '10 at 9:57
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What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?
...igned for this kind of task and make indexing and querying much easier and more efficient.
More information:
MS TechNet: SQL Server 2008 Spatial Data Types,
MSDN: Working with Spatial Data (Database Engine).
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How to trim whitespace from a Bash variable?
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When should you use 'friend' in C++?
...ange the name.
You can take this simple example further by considering a more complex class such as a Window. Quite likely a Window will have many function/data elements that should not be publicly accessible, but ARE needed by a related class such as a WindowManager.
class Child
{
//Mother class...
What is HEAD in Git?
...he commit from which the working tree's current state was initialized. In more practical terms, it can be thought of as a symbolic reference to the checked-out commit.
– Ben Collins
Dec 9 '13 at 7:25
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What is the fastest integer division supporting division by zero no matter what the result is?
... turned out to be such a popular question and answer, I'll elaborate a bit more. The above example is based on programming idiom that a compiler recognizes. In the above case a boolean expression is used in integral arithmetic and the use of condition flags are invented in hardware for this purpose....
What's the difference between SCSS and Sass?
From what I've been reading, Sass is a language that makes CSS more powerful with variable and math support.
13 Answers
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Gradient of n colors ranging from color 1 and color 2
...u can give the resulting vector of colours to colorRampPalette to generate more colours along that ramp. For example: colorRampPalette(brewer.pal(8, "Spectral")).
– jbaums
Apr 30 '14 at 23:15
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Testing two JSON objects for equality ignoring child order in Java
...t' relationship of the children, not equality. the 'other' object may have more children then in _children, and this method would still return true.
– Yoni
Feb 13 '10 at 7:28
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