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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...Set the initial center coordinate of the map. The value is specified as a comma-separated pair of decimal latitude and longitude coordinates, for example, 42.359144, -71.093612.In blocks code, it is recommended for performance reasons to use PanTo with numerical latitude and longitude rather than co...
Alternate output format for psql
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I just needed to spend more time staring at the documentation. This command:
\x on
will do exactly what I wanted. Here is some sample output:
select * from dda where u_id=24 and dda_is_deleted='f';
-[ RECORD 1 ]------+----------------------------------------------------------------------...
Convert a Map to a POJO
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Well, you can achieve that with Jackson, too. (and it seems to be more comfortable since you were considering using jackson).
Use ObjectMapper's convertValue method:
final ObjectMapper mapper = new ObjectMapper(); // jackson's objectmapper
final MyPojo pojo = mapper.convertValue(map, MyPojo.cl...
Get most recent file in a directory on Linux
Looking for a command that will return the single most recent file in a directory.
21 Answers
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How to split a comma-separated value to columns
...ction.. You can also find usage of this builtinfunction over here tecloger.com/string-split-function-in-sql-server
– Khatri
Mar 16 at 18:07
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AngularJS - pass function to directive
... The replace attribute has been deprecated in AngularJS: stackoverflow.com/questions/24194972/…
– cdmckay
Aug 11 '14 at 3:34
8
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Get a list of all threads currently running in Java
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@Eddie Is that an assumption from common sense, or did you do experiments? "significantly slower" you say; how much slower? Is it worth it? I question any attempt to make code worse for the sake of efficiency. If you have an efficiency requirement and an infr...
Get current time in seconds since the Epoch on Linux, Bash
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ng-app vs. data-ng-app, what is the difference?
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