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Storing a Map using JPA
...nnotations to persist the attributes map in the following class using JPA2
2 Answers
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What does the WPF star do (Width=“100*”)
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237
In a WPF Grid, Width="*" or Height="*" means proportional sizing.
For example: to give 30% to ...
Restore file from old commit in git
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228
git checkout 'master@{7 days ago}' -- path/to/file.txt
This will not alter HEAD, it will jus...
Convert UNIX epoch to Date object
...integers representing the number of seconds since the UNIX epoch (e.g. 1352068320 ), but Date objects seem more appropriate for plotting. How can I do the conversion?
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Javascript replace with reference to matched group?
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edited Nov 24 '17 at 7:21
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Convert JsonNode into POJO
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266
In Jackson 2.4, you can convert as follows:
MyClass newJsonNode = jsonObjectMapper.treeToValu...
Convert Object to JSON string
...ct is to be converted to JSON string
I got a link http://www.devcurry.com/2010/03/convert-javascript-object-to-json.html
but it need to have json2.js do jQuery has a native method to do this?
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Python Infinity - Any caveats?
... not get an inf value through usual arithmetic calculations:
>>> 2.0**2
4.0
>>> _**2
16.0
>>> _**2
256.0
>>> _**2
65536.0
>>> _**2
4294967296.0
>>> _**2
1.8446744073709552e+19
>>> _**2
3.4028236692093846e+38
>>> _**2
1.15792089...