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List all files in one directory PHP [duplicate]

What would be the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks! ...
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Test if lists share any items in python

... Short answer: use not set(a).isdisjoint(b), it's generally the fastest. There are four common ways to test if two lists a and b share any items. The first option is to convert both to sets and check their intersection, as such: bool(set(a) & set(b)) Because sets are stor...
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CSS3 Transparency + Gradient

...radient Generator over at Colorzilla which has a bunch of nice presets and all the cross browser compatible variations to achieve your desired gradient – andrhamm Nov 23 '11 at 16:16 ...
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Difference between __str__ and __repr__?

...e come right out and say it — I do not believe in debuggers. I don’t really know how to use any debugger, and have never used one seriously. Furthermore, I believe that the big fault in debuggers is their basic nature — most failures I debug happened a long long time ago, in a galaxy far far a...
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How to download a Nuget package without nuget.exe or Visual Studio extension?

...st tried this, and it looks like the link is now over to the right and is called "Manual download". – RenniePet Sep 22 '17 at 15:13 2 ...
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Why does SSL handshake give 'Could not generate DH keypair' exception?

... This works for me too, but I have added a provider dynamically. Reffer my answer here for details. – v.ladynev Nov 22 '15 at 9:19 ...
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP

...rning may disappear, but if you don't specify a filter then you will not really fix the security issue NetBeans is pointing out. For example, if you are expecting an int, use: filter_input(INPUT_POST, 'var_name', FILTER_SANITIZE_NUMBER_INT) – HoffZ Jul 18 '14 a...
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Flask-SQLalchemy update a row's information

...e many objects to be updated. If you want to give add_user permission to all the admins, rows_changed = User.query.filter_by(role='admin').update(dict(permission='add_user')) db.session.commit() Notice that filter_by takes keyword arguments (use only one =) as opposed to filter which takes an e...
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Best way to read a large file into a byte array in C#?

... Simply replace the whole thing with: return File.ReadAllBytes(fileName); However, if you are concerned about the memory consumption, you should not read the whole file into memory all at once at all. You should do that in chunks. ...
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What are “first class” objects?

...as any other object. A first class object is an entity that can be dynamically created, destroyed, passed to a function, returned as a value, and have all the rights as other variables in the programming language have. Depending on the language, this can imply: being expressible as ...