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Android: upgrading DB version and adding new table
... it. People should definitely read the article you linked to. This is also what Android SQLiteAssetHelper recommends for upgrades. It is also what CL. (the SQLite expert here on Stack Overflow) recommends.
– Suragch
Feb 26 '18 at 7:17
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nullable object must have a value
...he Nullable DateTime, as it is required to return a DateTime (since that's what the contract for .Value states), but it can't do so because there's no DateTime to return, so it throws an exception.
In general, it is a bad idea to blindly call .Value on a nullable type, unless you have some prior kn...
Last segment of URL in jquery
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what if the url contains a / at the end?
– Sнаđошƒаӽ
Jul 25 '16 at 14:07
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ListView addHeaderView causes position to increase by one?
...k set position = position - 1 if there is a header attached, I think thats what I did when I faced this particular issue, its not very neat, but the only way I can think of
– akshaydashrath
Jun 20 '12 at 7:41
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How to undo 'git reset'?
What's the simplest way to undo the
4 Answers
4
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Extracting the last n characters from a ruby string
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If the number is too large, nil is returned, which is what this question was specifically trying to avoid.
– Andrew Grimm
Sep 7 '11 at 23:52
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How can you undo the last git add?
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... Ah, I see what is happening for me. I did not have anything for HEAD to point to yet and so git reset failed (because it operates on the HEAD).
– Francis Davey
Jan 23 '14 at 18:04
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Is there a benefit to defining a class inside another class in Python?
What I'm talking about here are nested classes. Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
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Android ACTION_IMAGE_CAPTURE Intent
...othing locks up. We can cancel out of it, but the file never gets written. What exactly do we have to do to get ACTION_IMAGE_CAPTURE to write the picture taken to a file?
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Deep null checking, is there a better way?
...ery client, rather than being able to hand out objects that know how to do what the client wants. I prefer the exact opposite of the law of demeter: every object solves a small number of problems well, and one of those solutions can be "here's another object that solves your problem better"
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