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How does Amazon RDS backup/snapshot actually work?
...o MySQL on some machines that we manage ourselves. I can't comment specifically, as I'm not an Amazon engineer, but several things I've learned that might explain what you're seeing:
Although Amazon does not share the backend details 100%, we strongly suspect that they are using their EBS system t...
How to enable zoom controls and pinch zoom in a WebView?
...Browser app for Android shows zoom controls when you're scrolling and also allows for pinch zooming. How can I enable this feature for my own Webview?
...
Using LIMIT within GROUP BY to get N results per group?
...
You could use GROUP_CONCAT aggregated function to get all years into a single column, grouped by id and ordered by rate:
SELECT id, GROUP_CONCAT(year ORDER BY rate DESC) grouped_year
FROM yourtable
GROUP BY id
Result:
---------------------------------------------------...
ViewPager with Google Maps API v2: mysterious black view
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Not really. I just noticed where the zoom and location controls sat on top of the map surface the black trail did not appear, so I placed a view on top to cover the entire map and it worked. I agree it is not perfect - the black ba...
How many files can I put in a directory?
... subdirectories. Also maximum filesize grew to 16 TB. Furthermore, the overall size of the filesystem may be up to 1 EB = 1,048,576 TB.
– devsnd
Jun 25 '12 at 23:13
7
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Packing NuGet projects compiled in release mode?
...ase mode? Or is there some reason I should only publish (make available locally, in this case) packages compiled in debug mode?
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How do I define a method which takes a lambda as a parameter in Java 8?
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Lambdas are purely a call-site construct: the recipient of the lambda does not need to know that a Lambda is involved, instead it accepts an Interface with the appropriate method.
In other words, you define or use a functional interface (i.e. an ...
Gradle alternate to mvn install
...al()
}
dependencies {
compile "foo:sdk:1.0"
}
$sdk> gradle install
$example> gradle build
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Is returning null bad design? [closed]
... I were to define a method in Java that returned a Collection I would typically prefer to return an empty collection (i.e. Collections.emptyList()) rather than null as it means my client code is cleaner; e.g.
Collection<? extends Item> c = getItems(); // Will never return null.
for (Item ite...
Delete specific line number(s) from a text file using sed?
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Not all unixes have gnu sed with "-i". Don't make the mistake of falling back to "sed cmd file > file", which will wipe out your file.
– pra
Jan 22 '10 at 6:53
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