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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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Converting a column within pandas dataframe from int to string

... I really don't understand why, but mtrx['X.3'].apply(str) does not work for me either :( dtype still shows int64. The dataframe for 23177 row and X.3 column got only numbers. In [21]: mtrx['X.3'].dtype Out[21]: dtype('i...
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How do you underline a text in Android XML?

... sometimes if you are using a custom font. However, underlying programmatically by UnderlineSpan has indeed never failed on me, so I would recommend it as the most reliable solution. – Giulio Piancastelli Apr 2 '14 at 18:06 ...
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?

...bar', so loop runs once and done # prints nothing (actually "") var="foo bar" for i in "${var}bar"; do # Expands to 'for i in "foo barbar"; do...' echo $i # so runs the loop once done # foo barbar Note that "${var}bar" in the second example above could also ...
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What is phtml, and when should I use a .phtml extension rather than .php?

... There is usually no difference, as far as page rendering goes. It's a huge facility developer-side, though, when your web project grows bigger. I make use of both in this fashion: .PHP Page doesn't contain view-related code .PHTML Pag...
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Using cURL with a username and password?

... @CristianVrabie Technically correct, but incorrect if you're running it from an automated script that doesn't allow prompts. Would be curious about a solution to that problem. – Ligemer Mar 12 '14 at 23:29 ...
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How to pass argument to Makefile from command line?

... $(shell echo $(MAKECMDGOALS) | sed 's!^.* $@ !!') to omit all targets before and just consider the following as arguments: make target1 target2 action value1 value2 – Evgeniy Generalov May 14 '14 at 13:51 ...
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Get the IP address of the remote host

... This solution also covers Web API self-hosted using Owin. Partially from here. You can create a private method in you ApiController that will return remote IP address no matter how you host your Web API: private const string HttpContext = "MS_HttpContext"; private const string Remote...
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What do I return if the return type of a method is Void? (Not void!)

...le, use reflection to look at a method with a return type of void. (Technically, you'll get back Class<Void>.) It has other assorted uses along these lines, like if you want to parameterize a Callable<T>. Due to the use of generics in Java I ended up in having to implement this funct...
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Does it make sense to do “try-finally” without “catch”?

...you want the currently executing method to still throw the exception while allowing resources to be cleaned up appropriately. Below is a concrete example of handling the exception from a calling method. public void yourOtherMethod() { try { yourMethod(); } catch (YourException ex) {...