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How to use DISTINCT and ORDER BY in same SELECT statement?
...lified):
FROM MonitoringJob
SELECT Category, CreationDate i.e. add a so called extended sort key column
ORDER BY CreationDate DESC
SELECT Category i.e. remove the extended sort key column again from the result.
So, thanks to the SQL standard extended sort key column feature, it is totally possib...
How to fix 'android.os.NetworkOnMainThreadException'?
...) {
this.exception = e;
return null;
} finally {
is.close();
}
}
protected void onPostExecute(RSSFeed feed) {
// TODO: check this.exception
// TODO: do something with the feed
}
}
How to execute the task:
In MainAct...
Do the JSON keys have to be surrounded by quotes?
...ion on (unquoted) reserved keywords as keys, so they just required quoting all keys.
– BallpointBen
Aug 21 '18 at 23:01
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Difference between View and table in sql
...tical queries on it.
Instead of sending the complex query to the database all the time, you can save the query as a view and then SELECT * FROM view
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How to make a element expand or contract to its parent container?
...its parent container, in this case a <div> , no matter how big or small that container may be.
5 Answers
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Why doesn't Java allow overriding of static methods?
...One was a concern with performance: there had been a lot of criticism of Smalltalk about it being too slow (garbage collection and polymorphic calls being part of that) and Java's creators were determined to avoid that. Another was the decision that the target audience for Java was C++ developers. M...
How to delete an old/unused Data Model Version in Xcode
...d the .xcdatamodeld file to your project
This eliminates the need to manually modify any of the project metadata files.
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Android Bitmap to Base64 String
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The problem with jeet's answer is that you load all bytes of the image into a byte array, which will likely crash the app in low-end devices. Instead, I would first write the image to a file and read it using Apache's Base64InputStream class. Then you can create the Base64...
Is 0 a decimal literal or an octal literal?
...tal literals are almost unused today. † Then it dawned upon me that actually almost all integer literals in my code are octal, namely 0 .
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ASP.NET Identity DbContext confusion
...s with this piece of code in IdentityModels.cs - this piece of code is for all the ASP.NET Identity operations for the default templates:
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