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How to only get file name with Linux 'find'?
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-exec and -execdir are slow, xargs is king.
$ alias f='time find /Applications -name "*.app" -type d -maxdepth 5'; \
f -exec basename {} \; | wc -l; \
f -execdir echo {} \; | wc -l; \
f -print0 | xargs -0 -n1 basename | wc -l; \
f -print0 | xargs -0 -n1 -P 8 basename | wc -l; \
f -print0 | ...
Deleting all records in a database table
...ow do I delete all records in one of my database tables in a Ruby on Rails app?
7 Answers
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How can I get the timezone name in JavaScript?
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You can simply write your own code by using the mapping table here:
http://www.timeanddate.com/time/zones/
or, use moment-timezone library:
http://momentjs.com/timezone/docs/
See zone.name; // America/Los_Angeles
or, this library:
https://github.com/Canop/tzdetect.js
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AngularJS : Clear $watch
I have a watch function in my AngularJS application.
7 Answers
7
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How is Docker different from a virtual machine?
...istine copy of the database and will make changes to the data. The classic approach to this is to reset the database after every test either with custom code or with tools like Flyway - this can be very time-consuming and means that tests must be run serially. However, with Docker you could create a...
npm can't find package.json
...f some example: npm's express 2.5.8 that I've downloaded, but all of the apps throw the same error:
25 Answers
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How do you log content of a JSON object in Node.js?
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console.log(obj);
Run: node app.js > output.txt
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Checking if a string is empty or null in Java [duplicate]
...ementation 'org.apache.commons:commons-text:1.7' } in build.gradle (Module app). If there is already a dependencies block then just insert a new line with this dependency. This is the latest recommended version, as of Feb '20 (see stackoverflow.com/a/55567755/1541141). Then clean and/or sync your pr...
Finding the id of a parent div using Jquery
...ee it :) The best way to do this is to validate it server-side, but for an app with limited scope this may not be a problem.
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Unknown column in 'field list' error on MySQL Update query
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While working on a .Net app build with EF code first, I got this error message when trying to apply my migration where I had a Sql("UPDATE tableName SET columnName = value"); statement.
Turns out I misspelled the columnName.
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