大约有 42,000 项符合查询结果（耗时：0.0435秒） [XML]
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
I'm writing an application that allows users to upload images onto the server. I expect about 20 images per day all jpeg and probably not edited/resized. (This is another question, how to resize the images on the server side before storing. Maybe someone can please drop a .NET resource for that in t...
Syntax behind sorted(key=lambda: …)
I don't quite understand the syntax behind the sorted() argument:
9 Answers
9
...
What Makes a Method Thread-safe? What are the rules?
Are there overall rules/guidelines for what makes a method thread-safe? I understand that there are probably a million one-off situations, but what about in general? Is it this simple?
...
throwing exceptions out of a destructor
Most people say never throw an exception out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... The...
How to preventDefault on anchor tags?
Let's say I have an anchor tag such as
27 Answers
27
...
How to create a multiline UITextfield?
I am developing an application where user has to write some information. For this purpose I need a UITextField which is multi-line (in general UITextField is a single line).
...
How to convert a char array back to a string?
I have a char array:
15 Answers
15
...
When do I need to use a semicolon vs a slash in Oracle SQL?
We have been having some debate this week at my company as to how we should write our SQL scripts.
6 Answers
...
Javascript equivalent of Python's zip function
Is there a javascript equivalent of Python's zip function? That is, given multiple arrays of equal lengths create an array of pairs.
...
Detecting superfluous #includes in C/C++?
I often find that the headers section of a file get larger and larger all the time but it never gets smaller. Throughout the life of a source file classes may have moved and been refactored and it's very possible that there are quite a few #includes that don't need to be there and anymore. Leaving...