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What is the difference between named and positional parameters in Dart?
...etHttpUrl('example.com', '/index.html', 8080, 5);
Of course, unless you know what 8080 and 5 are, it's hard to tell what those apparently magic numbers are. You can use named optional parameters to create more readable APIs.
Named optional parameters
A parameter wrapped by { } is a named optiona...
Why doesn't c++ have &&= or ||= for booleans?
...any parts of my answer. Please tell me if my answer is more understandable now? (about your comment purpose) Cheers, See you ;-)
– olibre
Jul 19 '13 at 11:39
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How to iterate through two lists in parallel?
... accept any number of iterables and not just 2? This question is canonical now and your answer is the only one worth updating.
– vaultah
Jul 11 '16 at 15:01
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What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
...en made to any of those files, Perforce will tell you that those files are now out of date. You will have to sync to the head revision and then resolve the differences. This way you don't inadvertently clobber any changes that you actually want to keep.
Both operations work by essentially submitt...
Html table tr inside td
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Well as of now, it doesn't throw any error when I put tr s in td, infact I've put many tr s inside some td s because my app renders arrays of objects within some properties, and it works across all browsers, (don't know about IE, as I d...
How do I set a cookie on HttpClient's HttpRequestMessage
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Trying this now... if it works... you deserve a good ol' Canadian hug.
– Maxime Rouiller
Dec 18 '15 at 19:56
11
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The new syntax “= default” in C++11
...};
In the above case, the copy constructor written with an empty body is now wrong. It's no longer actually copying anything. This is a very different set of semantics than the default copy constructor semantics. The desired behavior requires you to write some code:
struct S {
int a;
S()...
Show data on mouseover of circle
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I like tipsy. My only issue now is that it points to the upper left corner of the circle, rather than the edge as in that demo. I'm not finding any obvious reason why. jsfiddle.net/scottieb/JwaaV (tipsy at very bottom)
– ScottieB...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...wrapped Optional" vs creating just a regular variable or constant?
If you know that it can be successfully unwrapped then why create an optional in the first place?
For example, why is this:
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Is it a good practice to use try-except-else in Python?
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"I do not know if it is out of ignorance, but I do not like that
kind of programming, as it is using exceptions to perform flow control."
In the Python world, using exceptions for flow control is common and normal.
Even the Python ...