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Multiple submit buttons on HTML form – designate one button as default [duplicate]

...ioning doesn't change tab order. My solution is based on the response at https://stackoverflow.com/a/9491141. The solution source is below. tabindex is used to correct tab behaviour of the hidden button, as well as aria-hidden to avoid having the button read out by screen readers / identified by...
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How to use GROUP BY to concatenate strings in SQL Server?

...1.1 added the WITHIN GROUP clause for the STRING_AGG function. Reference: https://msdn.microsoft.com/en-us/library/mt775028.aspx share | improve this answer | follow ...
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SQL how to make null values come last when sorting ascending

..., on MySQL and PostgreSQL: ORDER BY date IS NULL, date DESC as found at https://stackoverflow.com/a/7055259/496209 share | improve this answer | follow | ...
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Java Runtime.getRuntime(): getting output from executing a command line program

... @Senthil and @Arend answer (https://stackoverflow.com/a/5711150/2268559) mentioned ProcessBuilder. Here is the example using ProcessBuilder with specifying environment variables and working folder for the command: ProcessBuilder pb = new ProcessBui...
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Parsing JSON Object in Java [duplicate]

...ing boiler-plate code to pack/unpack the data. For 1, see this benchmark: https://github.com/fabienrenaud/java-json-benchmark I did using JMH which compares (jackson, gson, genson, fastjson, org.json, jsonp) performance of serializers and deserializers using stream and databind APIs. For 2, you can...
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How to stretch div height to fill parent div - CSS

...t;/body> With normal CSS, you can do the following. See a working app https://github.com/onmyway133/Lyrics/blob/master/index.html #root { position: absolute; top: 0; left: 0; height: 100%; width: 100%; } With flexbox, you can html, body { height: 100% } body { display: flex; ...
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What is “406-Not Acceptable Response” in HTTP?

...cept': '*/*', 'User-Agent': 'request', }; const options = { url: "https://example.com/users/6", headers: headers }; request.get(options, (error, response, body) => { console.log(response.body); }); sha...
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How to use JavaScript regex over multiple lines?

...elease of ECMA2018 we can now use the s flag to cause . to match '\n', see https://stackoverflow.com/a/36006948/141801 Thus: let s = 'I am a string\nover several\nlines.'; console.log('String: "' + s + '".'); let r = /string.*several.*lines/s; // Note 's' modifier console.log('Match? ' + r.test(s...
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How to clear all the jobs from Sidekiq?

... According to this issue on Github: https://github.com/mperham/sidekiq/issues/1732 you now need to require 'sidekiq/api' share | improve this answer ...
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?

....org/pub/repos/apt/ utopic-pgdg main Follow below commands wget -q -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add - sudo apt-get update sudo apt-get install postgresql-9.4 sudo pg_dropcluster --stop 9.4 main sudo /etc/init.d/postgresql start Now we have everything, ...