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Check whether a string is not null and not empty
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31 Answers
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How do I check if a column is empty or null in MySQL?
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19 Answers
19
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Serialize form data to JSON [duplicate]
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15 Answers
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Iterate through every file in one directory
...n them, so you can use Dir::each_child or Dir::children (as suggested by ma11hew28) or do something like this:
Dir.foreach('/path/to/dir') do |filename|
next if filename == '.' or filename == '..'
# Do work on the remaining files & directories
end
Dir::foreach and Dir::entries (as well as...
How to delete migration files in Rails 3
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11 Answers
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After installation of Gulp: “no command 'gulp' found”
... to your package.json file:
{
"name": "your-app",
"version": "0.0.1",
"scripts": {
"gulp": "gulp",
"minify": "gulp minify"
}
}
You could then run npm run gulp or npm run minify to launch gulp tasks.
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How can I tell if a DOM element is visible in the current viewport?
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edited Jan 31 at 11:38
Peter Mortensen
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Android REST client, Sample?
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100
EDIT 2 (October 2017):
It is 2017. Just use Retrofit. There is almost no reason to use anythin...
jQuery Determine if a matched class has a given id
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171
You can bake that logic into the selector by combining multiple selectors. For instance, we co...
How to set environment variables in Jenkins?
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14 Answers
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