大约有 23,000 项符合查询结果(耗时:0.0365秒) [XML]

https://stackoverflow.com/ques... 

How to initialize a struct in accordance with C programming language standards

...lize a struct this way: typedef struct Item { int a; float b; char* name; } Item; int main(void) { Item item = { 5, 2.2, "George" }; return 0; } An important thing to remember, at the moment you initialize even one object/ variable in the struct, all of its other variables wi...
https://stackoverflow.com/ques... 

How do I pass command line arguments to a Node.js program?

...ecause options that start with a single dash are only supposed to a single character. Anything that follows a single char option is taken as an argument for the option (no space required). Starting the option with two dashes (i.e. --n5) should produce 'n5: true'. This is fairly standard behaviour fo...
https://stackoverflow.com/ques... 

Generic deep diff between two objects

...TED; }, isFunction: function (x) { return Object.prototype.toString.call(x) === '[object Function]'; }, isArray: function (x) { return Object.prototype.toString.call(x) === '[object Array]'; }, isDate: function (x) { return Object.prototype.toString.call(x) ...
https://stackoverflow.com/ques... 

CSS: bolding some text without changing its container's size

... and @workaholic_gangster911's ::after drawing trick, which leaves awkward extra space so the bold text can expand without nudging neighboring text items (I put the attribution after the bold text so you can see how it does not move). In the future, we'll have more variable fonts capable of thing...
https://stackoverflow.com/ques... 

SQLAlchemy: Creating vs. Reusing a Session

... of expire_on_commit pretty much optional, as this flag can incur a lot of extra SQL for an operation that calls commit() in the middle of a series of operations. Not sure if this answers your question. The next round is what you mention about threading. If your app is multithreaded, we recomme...
https://stackoverflow.com/ques... 

Proper way to handle multiple forms on one page in Django

...t instantiates these, without using either the messages framework or query strings? This answer seems the closest, but here it's still just one view handling both forms: stackoverflow.com/a/21271659/2532070 – YPCrumble Oct 15 '14 at 10:10 ...
https://stackoverflow.com/ques... 

What's the difference between KeyDown and KeyPress in .NET?

...ctical difference between KeyDown and KeyPress is that KeyPress relays the character resulting from a keypress, and is only called if there is one. In other words, if you press A on your keyboard, you'll get this sequence of events: KeyDown: KeyCode=Keys.A, KeyData=Keys.A, Modifiers=Keys.None Key...
https://stackoverflow.com/ques... 

alternatives to REPLACE on a text or ntext datatype

... IF your data won't overflow 4000 characters AND you're on SQL Server 2000 or compatibility level of 8 or SQL Server 2000: UPDATE [CMS_DB_test].[dbo].[cms_HtmlText] SET Content = CAST(REPLACE(CAST(Content as NVarchar(4000)),'ABC','DEF') AS NText) WHERE Cont...
https://stackoverflow.com/ques... 

Convert to absolute value in Objective-C

...+ programs too.) (Alas, there is no habs(short) function. Or scabs(signed char) for that matter...) Apple's and GNU's Objective-C headers also include an ABS() macro which is type-agnostic. I don't recommend using ABS() however as it is not guaranteed to be side-effect-safe. For instance, ABS(a+...
https://stackoverflow.com/ques... 

Why do std::shared_ptr work

...ed rather than just a function pointer. But for this case there is no such extra data, it would be sufficient just to store a pointer to an instantiation of a template function, with a template parameter that captures the type through which the pointer must be deleted. [*] logically in the sense th...