大约有 46,000 项符合查询结果（耗时：0.0410秒） [XML]
Should I Dispose() DataSet and DataTable?
... The Dispose method in DataSet exists ONLY because of side effect of inheritance-- in other words, it doesn't actually do anything useful in the finalization.
Should Dispose be called on DataTable and DataSet objects? includes some explanation from an MVP:
The system.data namespace (ADONET) ...
How do I properly force a Git push?
I've set up a remote non-bare "main" repo and cloned it to my computer. I made some local changes, updated my local repository, and pushed the changes back to my remote repo. Things were fine up to that point.
...
Return array in a function
...as a pointer to the beginning of your array's block in memory, by an implicit conversion. This syntax that you're using:
int fillarr(int arr[])
Is kind of just syntactic sugar. You could really replace it with this and it would still work:
int fillarr(int* arr)
So in the same sense, what you...
What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...
It's usually to namespace (see later) and control the visibility of member functions and/or variables. Think of it like an object definition. The technical name for it is an Immediately Invoked Function Expression (IIFE). jQu...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
So I have a pretty simple bit of JS using the navigator.geolocation.getCurrentPosition jammy.
25 Answers
...
How does the main() method work in C?
I know there are two different signatures to write the main method -
9 Answers
9
...
Is it bad to have my virtualenv directory inside my git repository?
...g about putting the virtualenv for a Django web app I am making inside my git repository for the app. It seems like an easy way to keep deploy's simple and easy. Is there any reason why I shouldn't do this?
...
How can I reliably determine the type of a variable that is declared using var at design time?
I'm working on a completion (intellisense) facility for C# in emacs.
8 Answers
8
...
Any reason to write the “private” keyword in C#?
...ow, private is the default everywhere in C# (meaning that if I don't write public , protected , internal , etc. it will be private by default). (Please correct me if I am wrong.)
...
How to get a key in a JavaScript object by its value?
I have a quite simple JavaScript object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually?
...