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How can I join elements of an array in Bash?
...a #a
The code above is based on the ideas by @gniourf_gniourf, @AdamKatz, and @MattCowell.
Alternatively, a simpler function that supports only single character delimiter, would be:
function join_by { local IFS="$1"; shift; echo "$*"; }
For example,
join_by , a "b c" d #a,b c,d
join_by / var local...
Do I need elements in persistence.xml?
...="OrderManagement">
<description>This unit manages orders and customers.
It does not rely on any vendor-specific features and can
therefore be deployed to any persistence provider.
</description>
<jta-data-source>jdbc/MyOrderDB<...
Getting value of HTML Checkbox from onclick/onchange events
From within onClickHandler and/or onChangeHandler , how can I determine what is the new state of the checkbox?
3 Answers...
How do I compare strings in Java?
....
However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug.
23 Answers
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How to clear jQuery validation error messages?
...rap3 is true, must implement a manual resetting jumping into the inspector and figuring out what classes are applying on errors
– Nestor Colt
Jan 18 '18 at 14:23
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Transaction marked as rollback only: How do I find the cause
...at is right (you hadn't provided methodC in your first post). Both methodB and methodC use same TX and always the most specific @Transactional annotation is used, so when methodC throws the exception, surrounding TX will be marked as rollback-only. You can also use different propagation markers to p...
Recursively remove files
Does anyone have a solution to remove those pesky ._ and .DS_Store files that one gets after moving files from a Mac to A Linux Server?
...
Starting python debugger automatically on error
...e some time, yet I have never found a suitable solution. If I run a script and I come across, let's say an IndexError, python prints the line, location and quick description of the error and exits. Is it possible to automatically start pdb when an error is encountered? I am not against having an ext...
Increasing (or decreasing) the memory available to R processes
...rror that R
has run out of memory.
If you have R already installed and
subsequently install more RAM, you may
have to reinstall R in order to take
advantage of the additional capacity.
You may also set the amount of
available memory manually. Close R,
then right-click on your...
Reactjs convert html string to jsx
I'm having trouble dealing with facebook's ReactJS. Whenever I do ajax and want to display an html data, ReactJS displays it as text. (See figure below)
...