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Is there an eval() function in Java? [duplicate]
... Java class or method that will do what you want. Your options include:
Select and use some third-party expression evaluation library. For example JEL or any of the half dozen libraries listed here.
Wrap the expression in the Java source code for a class with an eval method, send that to the Jav...
GROUP_CONCAT comma separator - MySQL
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Query to achieve your requirment
SELECT id,GROUP_CONCAT(text SEPARATOR ' ') AS text FROM table_name group by id;
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How to update gradle in android studio?
...Build Tools→Gradle→Use default Gradle wrapper (recommended)
Step 2 (Select desired gradle version)
File→Project Structure→Project
The following table shows compatibility between Android plugin for Gradle and Gradle:
Latest stable versions you can use with Android Studio 4.0.1 (July 2020):...
What Ruby IDE do you prefer? [closed]
...es.
Incidentally RubyMine can do a lot of the things that Vim can do like select and edit a column of text or split the view into several editing panels with different files in them.
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MySQL how to join tables on two fields
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SELECT *
FROM t1
JOIN t2 USING (id, date)
perhaps you'll need to use INNEER JOIN or
where t2.id is not null
if you want results only matching both conditions
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iOS Simulator failed to install the application
...had to remove folder ~/Library/Application Support/iPhone Simulator/6.0 (I selectively removed for 6.0 - other iOS versions were unaffected in my case).
– mklement0
Aug 2 '13 at 13:53
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Where could I buy a valid SSL certificate? [closed]
...l cert make sure you follow the steps here: startssl.com/?app=20 (for me I selected nginx) make sure you follow the part about the intermediate cert. Also you can double check cert problems here: sslshopper.com/ssl-checker.html, which helped me a lot.
– Chase Roberts
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How to get package name from anywhere?
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This should be the selected answer, because the context will never die out no matter what activity is running.
– Elad Nava
Dec 12 '13 at 13:03
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Bash command to sum a column of numbers [duplicate]
... With bc -l you can even add up float numbers. With cut you can select columns from the input: cat input.txt | cut -d ' ' -f 8 | paste -sd+ | bc -l will add all float numbers in column 8 of the input (space being the field separator).
– Arne
Sep 24 '...
JQuery: How to call RESIZE event only once it's FINISHED resizing?
...ndler. It attaches an event handler function for one or more events to the selected elements if the event was not triggered for a given interval. This is useful if you want to fire a callback only after a delay, like the resize event, or else.
https://github.com/yckart/jquery.unevent.js
;(function ...