大约有 32,000 项符合查询结果(耗时:0.0708秒) [XML]

https://stackoverflow.com/ques... 

How do exceptions work (behind the scenes) in c++

...s by the standard library, based on these tables (_ZTI11MyException is typeinfo for MyException). OK, that was not actually a surprise for me, I already knew how this compiler did it. Continuing with the assembly output: .text .align 2 .p2align 4,,15 .globl _Z20my_throwing_functionb ...
https://stackoverflow.com/ques... 

Does using “new” on a struct allocate it on the heap or stack?

... more details on when to use structs. And this question here for some more info on structs. Edit: I had mistankely answered that they ALWAYS go in the stack. This is incorrect. share | improve this...
https://stackoverflow.com/ques... 

JavaScript + Unicode regexes

...de categories into a set of code points. Since it's Unicode's website, the information from it should be accurate. Note that you will need to exclude the high-end characters, as JavaScript can only handle characters less than FFFF (hex). I suggest checking the Abbreviate Collate, and Escape chec...
https://stackoverflow.com/ques... 

How should you build your database from source control?

...Scripts that can't be fully automated? document and store with the release info/ALTER script How can you make the process resilient and enforceable? To developer error? tested with daily build from scratch, and compare the results to the incremental upgrade (from version A to B using ALTER). comp...
https://stackoverflow.com/ques... 

Accessing inactive union member and undefined behavior?

...p well be more of a mess, because of the way you store exact numbers. more info you could get in here. share | improve this answer |
https://stackoverflow.com/ques... 

How to parse an RSS feed using JavaScript?

...and reachable. Building Content Once you've successfully extracted the information you need from the feed, you could create DocumentFragments (with document.createDocumentFragment() containing the elements (created with document.createElement()) you'll want to inject to display your data. Inj...
https://stackoverflow.com/ques... 

How do I use reflection to call a generic method?

... "construct" it by supplying type arguments with MakeGenericMethod: MethodInfo method = typeof(Sample).GetMethod(nameof(Sample.GenericMethod)); MethodInfo generic = method.MakeGenericMethod(myType); generic.Invoke(this, null); For a static method, pass null as the first argument to Invoke. That's...
https://stackoverflow.com/ques... 

What's the best way to get the last element of an array without deleting it?

...s feels a little hackisch. Also phpStorm will mark this as an error. Extra info for adding extra parentheses (phpsadness.com/sad/51). To overcome the error, you could make this a '2-liner': $array = array_slice($array, -1); $lastEl = array_pop($array); Personally i think this is better (without the ...
https://stackoverflow.com/ques... 

MVC (Laravel) where to add logic

...ace in your code? Do you create a static method? What if that emails needs information from another model? I think the model should represent an entity. With Laravel, I only use the model class to add things like fillable, guarded, table and the relations (this is because I use the Repository Patte...
https://stackoverflow.com/ques... 

Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?

... This is a super interesting piece of information! Looks like it's true; but I couldn' find any official documentation supporting this fact. We also need to know which versions of PHP support this lazy copy concept. Anyone has more info? – M...