大约有 3,000 项符合查询结果（耗时：0.0126秒） [XML]
Vertical (rotated) label in Android
...vate var padTop = 0
private var layout1: Layout? = null
override fun setText(text: CharSequence, type: BufferType) {
super.setText(text, type)
layout1 = null
}
private fun makeLayout(): Layout {
if (layout1 == null) {
metrics.width = height
...
Why is isNaN(null) == false in JS?
...
Won't work if myInt="123d". parseInt converts "123d" to 123, which then fails the isNaN test.
– divesh premdeep
Feb 18 '15 at 13:34
...
Format a number as 2.5K if a thousand or more, otherwise 900
...rx, "$1") + si[i].symbol;
}
/*
* Tests
*/
var tests = [
{ num: 1234, digits: 1 },
{ num: 100000000, digits: 1 },
{ num: 299792458, digits: 1 },
{ num: 759878, digits: 1 },
{ num: 759878, digits: 0 },
{ num: 123, digits: 1 },
{ num: 123.456, digits: 1 },
{ num: 123.45...
std::function and std::bind: what are they, and when should they be used?
I know what functors are and when to use them with std algorithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ .
...
乐高机器人®组件 · App Inventor 2 中文网
... that provides a low-level interface to a LEGO MINDSTORMS EV3
robot, with functions to send system or direct commands to EV3 robots.
属性
BluetoothClient
Specifies the BluetoothClient component that should be used for communication.
Must be set in the Designer.
事件
无
方法
...
In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]
...from within a block intentionally can be confusing. For instance:
def my_fun
[1, 2, 3].map do |e|
return "Hello." if e == 2
e
end
end
my_fun will result in "Hello.", not [1, "Hello.", 2], because the return keyword pertains to the outer def, not the inner block.
...
c++编译错误：invalid new-expression of abstract class type - C/C++ - ...
...全部需要实现，这样才能new 子类。
纯虚函数例如 void fun() = 0; 是纯虚函数，不是纯虚函数不作要求。
另外，void fun() { } 空函数体也是实现。
纯虚函数相当于C#中abstract抽象类。
=0 说明函数是抽象的方法...
c++编译错误：invalid new-expression of abstract class type - c++1y / s...
...实现，这样才能new 子类。
纯虚函数例如 void fun() = 0; 是纯虚函数，不是纯虚函数不作要求。
另外，void fun() { } 空函数体也是实现。
纯虚函数相当于C#中abstract抽象类。
=0 说明函数是...
Why is it wrong to use std::auto_ptr with standard containers?
...se of move semantics (its specification requires rvalue references), so it fundamentally requires C++11. However (and related) the C++11 Standard no longer says that an STL element type must be "copy-constructible" and "assignable"; being move-constructible and move-assignable suffices. Indeed uniqu...
How to POST raw whole JSON in the body of a Retrofit request?
...nvertion in the rest of your application code:
interface ServiceApi {
fun login(username: String, password: String) =
jsonLogin(createJsonRequestBody(
"username" to username, "password" to password))
@POST("/api/login")
fun jsonLogin(@Body params: RequestBod...