大约有 42,000 项符合查询结果（耗时：0.0488秒） [XML]
Targeting both 32bit and 64bit with Visual Studio in same solution/project
I have a little dilemma on how to set up my visual studio builds for multi-targeting.
8 Answers
...
Is using a lot of static methods a bad thing?
I tend to declare as static all the methods in a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be ...
Concept of void pointer in C programming
Is it possible to dereference a void pointer without type-casting in the C programming language?
15 Answers
...
Why does ++[[]][+[]]+[+[]] return the string “10”?
...
If we split it up, the mess is equal to:
++[[]][+[]]
+
[+[]]
In JavaScript, it is true that +[] === 0. + converts something into a number, and in this case it will come down to +"" or 0 (see specification details below).
Therefore, we can simplify it (++ has...
Scroll to the top of the page using JavaScript?
How do I scroll to the top of the page using a JavaScript? It is desirable even if the scrollbar instantly jumps to the top. I'm not looking for a smooth scrolling.
...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...
static_cast is the first cast you should attempt to use. It does things like implicit conversions between types (such as int to float, or pointer to void*), and it can also call explicit conversion functions (or implicit ones). In many cases, explicitly stating static_cast ...
Difference between ref and out parameters in .NET [duplicate]
...ly difference is that a variable you pass as an out parameter doesn't need to be initialized but passing it as a ref parameter it has to be set to something.
int x;
Foo(out x); // OK
int y;
Foo(ref y); // Error: y should be initialized before calling the method
Ref parameters are for data that m...
Connecting to TCP Socket from browser using javascript
...
As for your problem, currently you will have to depend on XHR or websockets for this.
Currently no popular browser has implemented any such raw sockets api for javascript that lets you create and access raw sockets, but a draft for the implementation of raw sockets api...
Safari 3rd party cookie iframe trick no longer working?
So this is the umteenth revenge of the "how do I get 3rd party cookies to work in Safari" question but I'm asking again because I think the playing field has changed, perhaps after February 2012. One of the standard tricks to get 3rd party cookies in Safari was as follows: use some javascript to POS...
Xcode 6 - How to pick signing certificate/provisioning profile for Ad-Hoc distribution?
To distribute the app to our testers we use Xcode, which we do using the following process:
18 Answers
...