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Can I use a hash sign (#) for commenting in PHP?

I have never, ever, seen a PHP file using hashes ( # ) for commenting. But today I realized that I actually can! I'm assuming there's a reason why everybody uses // instead though, so here I am. ...
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Hash Map in Python

I want to implement a HashMap in Python. I want to ask a user for an input. depending on his input I am retrieving some information from the HashMap. If the user enters a key of the HashMap, I would like to retrieve the corresponding value. ...
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Javascript AES encryption [closed]

Is there a library available for AES 256-bits encryption in Javascript? 15 Answers 15 ...
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What are best practices for validating email addresses on iOS 2.0

...in great detail that the grammar specified in RFC 5322 is too complicated for primitive regular expressions. I recommend a real parser approach like MKEmailAddress. As quick regular expressions solution see this modification of DHValidation: - (BOOL) validateEmail: (NSString *) candidate { ...
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Why use pip over easy_install? [closed]

... Many of the answers here are out of date for 2015 (although the initially accepted one from Daniel Roseman is not). Here's the current state of things: Binary packages are now distributed as wheels (.whl files)—not just on PyPI, but in third-party repositories li...
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Converting List to List

...now, iterate and instantiate is the only way to do this. Something like (for others potential help, since I'm sure you know how to do this): List<Integer> oldList = ... /* Specify the size of the list up front to prevent resizing. */ List<String> newList = new ArrayList<>(oldList...
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Multiple simultaneous downloads using Wget?

... | # ----> the number of connections http://aria2.sourceforge.net I love it !! share | improve this answer | follow | ...
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Configure Microsoft.AspNet.Identity to allow email address as username

... new application and started out using EF6-rc1, Microsoft.AspNet.Identity.Core 1.0.0-rc1, Microsoft.AspNet.Identity.EntityFramework 1.0.0-rc1, Microsoft.AspNet.Identity.Owin 1.0.0-rc1, etc and with the RTM releases yesterday, I updated them via NuGet this evening to RTM. ...
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IOCTL Linux device driver [closed]

...driver can define an ioctl which allows a userspace application to send it orders. However, ioctls are not very flexible and tend to get a bit cluttered (dozens of "magic numbers" which just work... or not), and can also be insecure, as you pass a buffer into the kernel - bad handling can break thin...
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How to create a protocol with methods that are optional?

...s defined in the iPhone SDK, such as the UIActionSheetDelegate protocol for example. 5 Answers ...