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How to check iOS version?
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The quick answer …
As of Swift 2.0, you can use #available in an if or guard to protect code that should only be run on certain systems.
if #available(iOS 9, *) {}
In Objective-C, you need to check the system version and perform a comparison.
[[NSProcessInfo processInfo] operatingSystemV...
Naming conventions: “State” versus “Status” [closed]
...relationships at a particular point in time (usually, current)
Status is more of a time-point, say, where something is at in a process or workflow - is it dirty (therefore requiring saving), is it complete, is it pending input, etc
I hope that helps you in your decision.
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Is it safe to use Project Lombok? [closed]
...dy decided that Project Lombok gives you significant technical advantages for your proposed new project. (To be clear from the start, I have no particular views on Project Lombok, one way or the other.)
Before you use Project Lombok (or any other game-changing technology) in some project (open sou...
Where in memory are my variables stored in C?
By considering that the memory is divided into four segments: data, heap, stack, and code, where do global variables, static variables, constant data types, local variables (defined and declared in functions), variables (in main function), pointers, and dynamically allocated space (using malloc and ...
What is the difference between NTFS Junction Points and Symbolic Links?
...n Points and Symbolic Links is that Junctions are only able to be directories, while SymLinks are allowed to also target files.
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Are duplicate keys allowed in the definition of binary search trees?
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Many algorithms will specify that duplicates are excluded. For example, the example algorithms in the MIT Algorithms book usually present examples without duplicates. It is fairly trivial to implement duplicates (either as a list a...
Find an item in List by LINQ?
Here I have a simple example to find an item in a list of strings. Normally I use for loop or anonymous delegate to do it like this:
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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
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You can just do:
@some_var.class == Hash
or also something like:
@some_var.is_a?(Hash)
It's worth noting that the "is_a?" method is true if the class is anywhere in the objects ancestry tree. for instance:
@some_var.is_a?(Object) # => true
the above is tru...
How to generate keyboard events in Python?
short summary:
9 Answers
9
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What are the differences between Autotools, Cmake and Scons?
...uly ARCANE m4 macro syntax combined with verbose, twisted shell scripting for tests for "compatibility", etc.
If you're not paying attention, you will mess up cross-compilation ability (It
should clearly be noted that Nokia came up with Scratchbox/Scratchbox2 to side-step highly broken Autotools bui...