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Evaluate if list is empty JSTL
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Stretch child div height to fill parent that has dynamic height
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https://www.youtube.com/watch?v=jV8B24rSN5o
I think you can use display as grid:
.parent { display: grid };
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Golang production web application configuration
...y worse idea than using nginx or haproxy? I mean Go comes with great HTTP/HTTPS/HTTP/2 support.
– thomasrutter
Mar 21 '17 at 4:14
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Capture Signature using HTML5 and iPad
...elocity) curves: demo at http://szimek.github.io/signature_pad and code at https://github.com/szimek/signature_pad.
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Rails find_or_create_by more than one attribute?
...ll of these were factored out of rails just the attribute specific ones.
https://github.com/rails/rails/blob/4-2-stable/guides/source/active_record_querying.md
Example
GroupMember.find_or_create_by_member_id_and_group_id(4, 7)
became
GroupMember.find_or_create_by(member_id: 4, group_id: 7)
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How to map calculated properties with JPA and Hibernate
...about custom subquery providers which might be interesting to you as well: https://blazebit.com/blog/2017/entity-view-mapping-subqueries.html
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Gulp.js task, return on src?
....pipe(gulp.dest('dest'));
});
Edit: The recipe here explains it further. https://github.com/gulpjs/gulp/blob/master/docs/recipes/running-tasks-in-series.md
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How do I automatically update a timestamp in PostgreSQL
...values changed
Based on E.J's link and add a if statement from this link (https://stackoverflow.com/a/3084254/1526023)
CREATE OR REPLACE FUNCTION update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
IF row(NEW.*) IS DISTINCT FROM row(OLD.*) THEN
NEW.modified = now();
RETURN NEW;
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JavaScript math, round to two decimal places [duplicate]
...nd 2 decimals.
Example: http://jsfiddle.net/calder12/tv9HY/
Documentation: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid this:
var discount = +((price / listprice).toFixed(2...
Parsing JSON with Unix tools
...lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can also do this with tools that are likely already installed on your system, like Python using the json module, and so avoid any extra dependencies, while still havi...