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How can we programmatically detect which iOS version is device running on? [duplicate]
I want to check if the user is running the app on iOS less than 5.0 and display a label in the app.
10 Answers
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What exactly is Hot Module Replacement in Webpack?
...tal feature.
HMR is a way of exchanging modules in a running application (and adding/removing modules). You basically can update changed modules without a full page reload.
Documentation
Prerequirements:
Using Plugins: https://webpack.js.org/concepts/plugins/
Code Splitting: https://webpack.js....
Stack vs heap allocation of structs in Go, and how they relate to garbage collection
I'm new to Go and I'm experiencing a bit of congitive dissonance between C-style stack-based programming where automatic variables live on the stack and allocated memory lives on the heap and and Python-style stack-based-programming where the only thing that lives on the stack are references/pointer...
Why do assignment statements return a value?
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To my understanding, assignment s = "Hello"; should only cause "Hello" to be assigned to s, but the operation shouldn’t return any value.
Your understanding is 100% incorrect. Can you explain why you believe this false thing?
What...
Instance attribute attribute_name defined outside __init__
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@MericOzcan either setting a bunch of attributes to None and then setting them later in a parse_args function OR returning a short tuple from parse_args is OK. ideally, parse_args should be testable without needing a wizard instance.
– Erik Aronesty
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C# XML Documentation Website Link
... Hmmm, my apologies. I did a little more research (see here and here) -- and it looks like the VS IDE won't display those hyperlinks, but a documentation tool such as SandCastle would be able to display them.
– dizzwave
Aug 5 '11 at 19:56
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Why does 2 == [2] in JavaScript?
...alueOf().toString())
where valueOf() for arrays returns the array itself and the string-representation of a one-element array is the string representation of the single element.
This also explains the third example as [[[[[[[2]]]]]]].toString() is still just the string 2.
As you can see, there's...
Why does 'continue' behave like 'break' in a Foreach-Object?
...let (it even has the alias foreach that helps to make this conversion easy and make mistakes easy, too). All continues should be replaced with return.
P.S.: Unfortunately, it is not that easy to simulate break in ForEach-Object.
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Named capturing groups in JavaScript regex?
...s of named capturing groups I can think of:
In some regex flavors (.NET and JGSoft, as far as I know), you can use the same name for different groups in your regex (see here for an example where this matters). But most regex flavors do not support this functionality anyway.
If you need to refer t...
The difference between try/catch/throw and try/catch(e)/throw e
...milar in that both will catch every exception thrown inside the try block (and, unless you are simply using this to log the exceptions, should be avoided). Now look at these:
try { ... }
catch ()
{
/* ... */
throw;
}
try { ... }
catch (Exception e)
{
/* ... */
throw;
}
try { ... }...