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What are the new documentation commands available in Xcode 5? [closed]
... the ability to document your own code with a special comment syntax. The format is similar to doxygen, but appears to only support a subset of those features .
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structure vs class in swift language
From Apple book
"One of the most important differences between structures and classes is that structures are always copied when they are passed around in your code, but classes are passed by reference."
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...] $
[Terminal #2] $ lockfile -r 0 /tmp/the.lock
[Terminal #2] lockfile: Sorry, giving up on "/tmp/the.lock"
[Terminal #1] $ rm -f /tmp/the.lock
[Terminal #1] $
[Terminal #2] $ lockfile -r 0 /tmp/the.lock
[Terminal #2] $
After /tmp/the.lock has been acquired your script will be the only one w...
Can I mix Swift with C++? Like the Objective-C .mm files
...-C++.
Swift doesn't have the same relationship. It is not a superset of C or C++, and you can't directly use either in a .swift file.
"Using Swift with Cocoa and Objective-C" also tells us:
You cannot import C++ code directly into Swift. Instead, create an Objective-C or C wrapper for C++ code...
How do you determine the ideal buffer size when using FileInputStream?
...w big should I make the buffer used to read from the files to maximize performance?
9 Answers
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Why doesn't C have unsigned floats?
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Why C++ doesn't have support for unsigned floats is because there is no equivalent machine code operations for the CPU to execute. So it would be very inefficient to support it.
If C++ did support it, then you would be sometimes using an unsigned...
What's the strangest corner case you've seen in C# or .NET? [closed]
I collect a few corner cases and brain teasers and would always like to hear more. The page only really covers C# language bits and bobs, but I also find core .NET things interesting too. For example, here's one which isn't on the page, but which I find incredible:
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How to benchmark efficiency of PHP script
...s the best way to benchmark my PHP scripts. Does not matter if a cron job, or webpage or web service.
9 Answers
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Deep null checking, is there a better way?
Note: This question was asked before the introduction of the .? operator in C# 6 / Visual Studio 2015 .
16 Answers
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Including all the jars in a directory within the Java classpath
Is there a way to include all the jar files within a directory in the classpath?
25 Answers
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