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How do I check if a directory exists? “is_dir”, “file_exists” or both?
...
I think realpath() may be the best way to validate if a path exist
http://www.php.net/realpath
Here is an example function:
<?php
/**
* Checks if a folder exist and return canonicalized absolute pathname (long version)
* @param string $folder the path being checked.
* @return mixed returns ...
How do I consume the JSON POST data in an Express application
...4+
install body-parser from the npm.
$ npm install body-parser
https://www.npmjs.org/package/body-parser#installation
var express = require('express')
var bodyParser = require('body-parser')
var app = express()
// parse application/json
app.use(bodyParser.json())
app.use(function (req, re...
What is an existential type?
...d parameter)?
– LP_
Apr 1 '14 at 17:04
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Getting the value of an attribute in XML
...th=\"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 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
C++ inheritance - inaccessible base?
...th=\"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 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Serialize form data to JSON [duplicate]
...type='submit'>Try</button>
</form>
see this: http://www.json.org/js.html
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How to make lists contain only distinct element in Python? [duplicate]
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Modified versions of http://www.peterbe.com/plog/uniqifiers-benchmark
To preserve the order:
def f(seq): # Order preserving
''' Modified version of Dave Kirby solution '''
seen = set()
return [x for x in seq if x not in seen and not seen.add(x)]...
Installing Ruby Gem in Windows
...e rubyinstaller
It is recommended by the official Ruby page - see https://www.ruby-lang.org/en/downloads/
Ways of Installing Ruby
We have several tools on each major platform to install Ruby:
On Linux/UNIX, you can use the package management system of your
distribution or third-...
jquery append to front/top of list
...th=\"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 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
What does HTTP/1.1 302 mean exactly?
...rt hypertext note with a hyperlink to
the new URI(s).
Source:
http://www.ietf.org/rfc/rfc2616.txt
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