大约有 4,500 项符合查询结果(耗时:0.0215秒) [XML]

https://stackoverflow.com/ques... 

What is the difference between application server and web server?

...content and images over HTTP. Most of the content was static, and the HTTP 1.0 protocol was just a way to ship files around. Quickly the "web server" category evolved to include CGI capability - effectively launching a process on each web request to generate dynamic content. HTTP also matured and ...
https://stackoverflow.com/ques... 

How to play a local video with Swift?

...0 ? playerRate : 0.0 } } } var volume:Float = 1.0 { didSet { if let player = assetPlayer { player.volume = volume > 0 ? volume : 0.0 } } } // MARK: - Init convenience init(urlAsset:NSURL, view:Playe...
https://stackoverflow.com/ques... 

Named colors in matplotlib

...colors import math fig = plt.figure() ax = fig.add_subplot(111) ratio = 1.0 / 3.0 count = math.ceil(math.sqrt(len(colors.cnames))) x_count = count * ratio y_count = count / ratio x = 0 y = 0 w = 1 / x_count h = 1 / y_count for c in colors.cnames: pos = (x / x_count, y / y_count) ax.add_p...
https://stackoverflow.com/ques... 

What is the effect of extern “C” in C++?

...de "cpp.h" int main(void) { assert(f_int(1) == 2); assert(f_float(1.0) == 3); return 0; } cpp.h #ifndef CPP_H #define CPP_H #ifdef __cplusplus // C cannot see these overloaded prototypes, or else it would get confused. int f(int i); int f(float i); extern "C" { #endif int f_int(int ...
https://www.tsingfun.com/it/cpp/1419.html 

ZeroMQ的学习和研究(PHP代码实例) - C/C++ - 清泛网 - 专注C/C++及内核技术

...息通信。几年的竞争下来,Apache 基金会旗下的符合 AMQP/1.0标准的 RabbitMQ 已经得到了广泛的认可,成为领先的 MQ 项目。 与 RabbitMQ 相比,ZMQ 并不像是一个传统意义上的消息队列服务器,事实上,它也根本不是一个服务器,它更...
https://stackoverflow.com/ques... 

How do Trigonometric functions work?

...eloped for the atan(), asin(), and acos() functions, where an overlapping -1.0 to 1.1 domain was divided into 21 equal intervals with anchor points at -19/20, -17/20, ..., 19/20, 21/20. Then only atan() of these 21 anchor points was stored. Again, with the help of inverse trig identities, a single M...
https://stackoverflow.com/ques... 

Handling click events on a drawable within an EditText

...e size of the image being displayed. activity_my.xml <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" > <TextView andr...
https://stackoverflow.com/ques... 

Why are const parameters not allowed in C#?

...s in C# is because it doesn't exist at the runtime level. Remember that C# 1.0 did not have any feature unless it was part of the runtime. And several reasons why the CLR does not have a notion of const correctness are for example: It complicates the runtime; besides, the JVM didn't have it eith...
https://stackoverflow.com/ques... 

Switch statement fallthrough in C#?

... Damn - I've been programming with C# since the early days of 1.0, and I've never seen this until now. Just goes to show, you learn new things every day. – Erik Forbes Feb 5 '09 at 3:30 ...
https://stackoverflow.com/ques... 

Same Navigation Drawer in different Activities

...drawer among a group of activities app_base_layout.xml <?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout android:id="@+id/drawer_layout" xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layo...