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Command prompt won't change directory to another drive
...ttempt to change to a directory on a different drive, it would give you an error message saying "ERROR - the file you're trying to access resides on another driver. Specify -d..."
– committedandroider
Oct 22 '19 at 22:21
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What are some uses of decltype(auto)?
...x6a) is std::initializer_list<int>
decltype(auto) x6d = { 1, 2 }; // error, { 1, 2 } is not an expression
auto *x7a = &i; // decltype(x7a) is int*
decltype(auto)*x7d = &i; // error, declared type is not plain decltype(auto)
...
How do you cast a List of supertypes to a List of subtypes?
... List<B> b = new ArrayList<>();
List<A> a = b; // error, List<B> is not of type List<A>
Furthermore, we can't even write
List<B> b = new ArrayList<>();
List<A> a = (List<A>)b; // error, List<B> is not of type List<A>...
When to use an assertion and when to use an exception
...The comment about the hard drive is wrong. Assertions are for checking for errors in your code logic. Never, ever, use them to check something that you don't control. Remember, if an assertion fails it means that your code is wrong.
– Ian Goldby
Nov 14 '13 at 1...
What's the difference between a single precision and double precision floating point operation?
...f decimal digits that are correct, i.e. without any kind of representation error or approximation. In other words, it indicates how many decimal digits one can safely use.
With that said, it's easy to estimate the number of decimal digits which can be safely used:
single precision: log10(224), wh...
Android - Set max length of logcat messages
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I'm pretty sure there's an off by one error here. I had to use "i < chunkCount + 1" to get the last chunk
– Dan
Feb 12 '13 at 19:25
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Can promises have multiple arguments to onFulfilled?
... fn(data.payload, data.status, {additional: 42})
return promise
promise.error = (fn) ->
promise.then null, (err) ->
fn(err)
return promise
return promise
And to use it:
service.get().success (arg1, arg2, arg3) ->
# => arg1 is data.payload, arg2 is data.status, arg3 is...
How does collections.defaultdict work?
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Usually, a Python dictionary throws a KeyError if you try to get an item with a key that is not currently in the dictionary. The defaultdict in contrast will simply create any items that you try to access (provided of course they do not exist yet). To create such ...
ASP.NET MVC partial views: input name prefixes
...ry constructor that takes the current ViewData, or you'll lose model state errors, validation data, etc.
– bhamlin
Apr 6 '12 at 8:10
9
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Batch renaming files with Bash
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To avoid re-run errors, you can use the same pattern in the ".pkg" part, ie "for i in *-[0-9.].pkg ; do mv $i ${i/-[0-9.]*.pkg/.pkg} ; done". But the errors are innocuous enough (moving to the same file).
– richq
...