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Android - Camera preview is sideways

... as a bug with certain hardware see here but can be overcome by using the call to mCamera.setDisplayOrientation(degrees) available in API 8. So this is how I implement it: public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { if (isPreviewRunning) { ...
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PostgreSQL naming conventions

.... Postgresql treats identifiers case insensitively when not quoted (it actually folds them to lowercase internally), and case sensitively when quoted; many people are not aware of this idiosyncrasy. Using always lowercase you are safe. Anyway, it's acceptable to use camelCase or PascalCase (or UPPER...
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How to install trusted CA certificate on Android device?

I have created my own CA certificate and now I want to install it on my Android Froyo device (HTC Desire Z), so that the device trusts my certificate. ...
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How to check if a file exists in Go?

... You could use os.IsExist() depending the case, could be more idiomatically instead of making a double negation when doing !os.IsNotExistant() – Ariel Monaco Feb 17 at 3:18 ...
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Temporarily put away uncommitted changes in Subversion (a la “git-stash”)

... uncomfortable with this, just check out another copy and work on it in parallel. – sbi Oct 12 '09 at 14:28 2 ...
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How to correctly use “section” tag in HTML5?

...ion. A section, in this context, is a thematic grouping of content, typically with a heading. Examples of sections would be chapters, the various tabbed pages in a tabbed dialog box, or the numbered sections of a thesis. A Web site's home page could be split into sections for an introduct...
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How can I remove all objects but one from the workspace in R?

I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ? ...
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Converting String to Int with Swift

The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the values in the text boxes are string, I am unable to convert them to integers. ...
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Groovy / grails how to determine a data type?

... To determine the class of an object simply call: someObject.getClass() You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even thou...
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How to check whether a string is Base64 encoded or not

... in 2.0. – Avinash R Dec 5 '13 at 4:32 8 ...