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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
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RESTful web service - how to authenticate requests from other services?
...secret. I also don't like the hard-coded user-name and password option but it does have the benefit of being quite simple. The client certificate is also good but is it really much different? There's a cert on the server and one on the client. It's main advantage is that it's harder to brute force. ...
How to paste yanked text into the Vim command line
I'd like to paste yanked text into Vim's command line. Is it possible?
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What is the use of the @ symbol in PHP?
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It suppresses error messages — see Error Control Operators in the PHP manual.
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What file uses .md extension and how should I edit them?
On GitHub, several projects have README.md files. It seems like a simple format file to express text and pictures.
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How to send password securely over HTTP?
If on a login screen user submits a form with his username and password, the password is sent in plain text (even with POST, correct me if I am wrong).
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Explanation of strong and weak storage in iOS5
... documentation and other SO questions, but they all sound identical to me with no further insight.
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Why java.util.Optional is not Serializable, how to serialize the object with such fields
The Enum class is Serializable so there is no problem to serialize object with enums. The other case is where class has fields of java.util.Optional class. In this case the following exception is thrown: java.io.NotSerializableException: java.util.Optional
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Facebook Post Link Image
...ain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page.
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Is modern C++ becoming more prevalent? [closed]
When I first learned C++ 6-7 years ago, what I learned was basically "C with Classes". std::vector was definitely an advanced topic, something you could learn about if you really wanted to. And there was certainly no one telling me that destructors could be harnessed to help manage memory.
Toda...