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When to use static classes in C# [duplicate]
...ell. They're very easy to use, no instantiation, no disposal, just fire'n'forget. I guess this was my first unwitting attempt at creating a service-oriented architecture - lots of stateless services that just did their job and nothing else. As a system grows however, dragons be coming.
Polymorphism...
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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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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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...
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...
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...
Adding a new entry to the PATH variable in ZSH
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Here, add this line to .zshrc:
export PATH=/home/david/pear/bin:$PATH
EDIT: This does work, but ony's answer below is better, as it takes advantage of the structured interface ZSH provides for variables like $PATH. This approach is standard for bash, but as...
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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Creating a new dictionary in Python
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Call dict with no parameters
new_dict = dict()
or simply write
new_dict = {}
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