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What is a NullPointerException, and how do I fix it?
...h is a reference type). Since you have not yet said what to point to, Java sets it to null, which means "I am pointing to nothing".
In the second line, the new keyword is used to instantiate (or create) an object of type Integer, and the pointer variable num is assigned to that Integer object.
The N...
How to select an element inside “this” in jQuery?
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How to cherry pick from 1 branch to another
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Convert NSURL to local file path
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How to reset a single table in rails?
...
To reset the index/primary key in SQLite just type:
$ rails console
> ActiveRecord::Base.connection.execute("DELETE from sqlite_sequence where name = 'yourtablename'")
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How to add screenshot to READMEs in github repository?
...ltercation/solarized/master/README.md
If you use SVGs then you'll need to set the sanitize attribute to true as well: ?raw=true&sanitize=true. (Thanks @EliSherer)
Also, the documentation on relative links in README files: https://help.github.com/articles/relative-links-in-readmes
And of cours...
python re.sub group: number after \number
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jQuery ID starts with
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Regular Expression for alphanumeric and underscores
...dering of the ASCII characters which may be different from other character sets and will therefore exclude some non-ASCII characters (letters such as œ) which you might want to capture.
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Get screen width and height in Android
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@Sufian can we set new dimension to screen width and height?
– Srishti Roy
Jan 18 '18 at 5:39
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