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How can I get the MAC and the IP address of a connected client in PHP?
...y isn't bulletproof but its a start. Another more easier and secure way is setting a cookie with a unique hash. When using that cookie everytime you are sure which user is connecting to your website.
– Bearwulf
Jul 5 '12 at 11:50
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How to get the text node of an element?
I wish to get the "I am text node", do not wish to remove the "edit" tag, and need a cross browser solution.
10 Answers
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RelativeLayout is taking fullscreen for wrap_content
...ts children. For example, you cannot have a RelativeLayout whose height is set to WRAP_CONTENT and a child set to ALIGN_PARENT_BOTTOM
Class documentation
Which is exactly your case. RelativeLayout can not do that.
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In Scala, what exactly does 'val a: A = _' (underscore) mean?
... it worked. It would just be an obfuscated way of writing val a: Int = 0. Setting a var to a default value makes sense since a var is expected to change, but a val is fixed so best practice would be to assign a value explicitly.
– Shuklaswag
Jul 9 '16 at 20:43...
gitignore without binary files
How can binary files be ignored in git using the .gitignore file?
18 Answers
18
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Best way to simulate “group by” from bash?
Suppose you have a file that contains IP addresses, one address in each line:
14 Answers
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Add a column to a table, if it does not already exist
I want to write a query for MS SQL Server that adds a column into a table. But I don't want any error display, when I run/execute the following query.
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What is the canonical way to check for errors using the CUDA runtime API?
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shouldn't we add cudaDeviceReset() before exiting also? And a clause for memory deallocation?
– Aurelius
Oct 21 '14 at 14:14
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git: diff between file in local repo and origin
... git diff master:README.md -- README.md
– fabriciorissetto
Oct 20 '15 at 13:18
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Actually, here ...
Is Meyers' implementation of the Singleton pattern thread safe?
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@Bob - to be fair, with a proper set of libraries, all the cruft having to do with non-copyability and a proper RAII lock would go away or be minimal. But I wanted the example to be reasonably self-contained. Even though singleton's are a lot of work for ma...