大约有 40,000 项符合查询结果（耗时：0.0618秒） [XML]
What are the rules for the “…” token in the context of variadic templates?
...peated — the unpacked patterns (call them expressions now) are separated by comma ,.
It can be best understood by some examples. Suppose you have this function template:
template<typename ...T> //pack
void f(T ... args) //pack
{
// here are unpack patterns
g( args... ); //...
How to change port number for apache in WAMP
...rver and installed it on my system but after installing it when I check it by going to localhost url like this http://localhost/ in the browser it is not working. I am getting a 404 error and blank page .
...
How do I write JSON data to a file?
...icit encoding is not necessary since the output of json.dump is ASCII-only by default. If you can be sure that your code is never run on legacy Python versions and you and the handler of the JSON file can correctly handle non-ASCII data, you can specify one and set ensure_ascii=False.
...
Mixin vs inheritance
... places than where it is used, so it is good to mitigate that disadvantage by keeping it close by.
I have personally found a mix-in necessary to use over single inheritance where we are unittesting a lot of similar code, but the test-cases are instantiated based on their inheritance of a base case...
Is Python interpreted, or compiled, or both?
...n is compiled. Not compiled to machine code ahead of time (i.e. "compiled" by the restricted and wrong, but alas common definition), "only" compiled to bytecode, but it's still compilation with at least some of the benefits. For example, the statement a = b.c() is compiled to a byte stream which, wh...
ASP.NET Web API Authentication
... Authentication cookie along with the request. This cookie is usually sent by the server when authenticating (LogOn action) by calling the [FormsAuthentication.SetAuthCookie method (see MSDN).
So the client needs to perform 2 steps:
Send an HTTP request to a LogOn action by sending the username a...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...__enter__() function on the resulting object is called. The value returned by this function is assigned to the variable following as. After every statement in the block is evaluated, the __exit__() function is called.
紧跟with后面的语句被求值后，返回对象的__enter__()方法被调用...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...," / ";" / "="
A percent sign is only allowed if it is directly followed by two hexdigits, percent followed by u is not allowed.
encodeURI()
Use encodeURI when you want a working URL. Make this call:
encodeURI("http://www.example.org/a file with spaces.html")
to get:
http://www.example.org/a...
Java GUI frameworks. What to choose? Swing, SWT, AWT, SwingX, JGoodies, JavaFX, Apache Pivot? [close
...u have a choice here, you should prefer Qt over SWT. Qt has been developed by people who understand UI and the desktop while SWT has been developed out of necessity to make Eclipse faster. It's more a performance patch for Java 1.4 than a UI framework. Without JFace, you're missing many major UI com...
What's the point of the X-Requested-With header?
...ted browsers, although you will leave old browsers vulnerable.)
New Flash bypass discovered
You may wish to combine this with a token, because Flash running on Safari on OSX can set this header if there's a redirect step. It appears it also worked on Chrome, but is now remediated. More details her...