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Eager load polymorphic
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I tried this, but it surfaced a very interesting bug. If there is a Shop and a User with the same database ID, then calling review.shop on a review with reviewable_type set to User could return a completely unrelated Shop rather than nil. In some circumstances this can be a very...
Taking screenshot on Emulator from Android Studio
... Standard location is the desktop.
Or
Select "More"
Under "Settings", specify the location for your screenshot
Take your screenshot
UPDATE 22/07/2020
If you keep the emulator in Android Studio as possible since Android Studio 4.1 click here to save the screenshot in your standard location:
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uint8_t can't be printed with cout
...sn't int(var) and (int)var actually the same thing?" sure makes it seem as if you didn't realise int(var) and (int)var have exactly the same meaning. int(var) is discouraged in exactly those cases where (int)var is, for exactly the same reasons, because it means exactly the same thing. (I can unders...
Add column to SQL Server
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If you post code, XML or data samples, please highlight those lines in the text editor and click on the "code samples" button ( { } ) on the editor toolbar to nicely format and syntax highlight it!
– ma...
Round to 5 (or other number) in Python
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If only integers and rounding down, then you can also just do x // base * base
– Tjorriemorrie
Dec 20 '16 at 0:59
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round up to 2 decimal places in java? [duplicate]
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@SiB floor(x + 0.5) is different to round(x) for just one value, the value immediately less than 0.5. This is because 0.49999999999999994 + 0.5 is 1.0 when it should be rounded down to 0.0
– Peter Lawrey
Apr 4...
Recursively add the entire folder to a repository
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Check the .gitignore file, if the subdirectory is ignored.
Then try again
git add --all
git commit -am "<commit message>"
git push
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im...
git ignore all files of a certain type, except those in a specific subfolder
...tching file excluded by
a previous pattern will become
included again. If a negated pattern
matches, this will override lower
precedence patterns sources.
http://schacon.github.com/git/gitignore.html
*.json
!spec/*.json
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Repository Pattern Step by Step Explanation [closed]
... available to your unit tests
There are other benefits too, for example, if you were using MySQL and wanted to switch to SQL Server - but I have never actually seen this in practice!
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List of Java class file format major version numbers?
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These come from the class version. If you try to load something compiled for java 6 in a java 5 runtime you'll get the error, incompatible class version, got 50, expected 49. Or something like that.
See here in byte offset 7 for more info.
Additional info c...