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What are some uses of decltype(auto)?
...();
auto x3a = i; // decltype(x3a) is int
decltype(auto) x3d = i; // decltype(x3d) is int
auto x4a = (i); // decltype(x4a) is int
decltype(auto) x4d = (i); // decltype(x4d) is int&
auto x5a = f(); // decltype(x5a) is int
decltype(auto) x...
Why are only a few video games written in Java? [closed]
Why aren't many commercial, 3D video games (not random open source 2D ones) written in Java? In theory, it makes a lot of sense: you get a productivity boost and a cross-platform application almost for free, among other things, such as the vast amount of Java libraries, and built-in garbage collecti...
How to generate keyboard events in Python?
... : 0x3C,
'rshift' : 0x3C,
'right option' : 0x3D,
'roption' : 0x3D,
'right control' : 0x3E,
'rcontrol' : 0x3E,
'fun' : 0x3F,
'function' : 0x3F,
'f17' : 0x40,
'volume up' : 0x4...
When to use the different log levels
... dumping large amounts of data
"| 0000: 02 23 44 30 13 40 ac 34 df 3d bf 9a 19 49 39 15 |"
"| 0000: 02 23 44 30 13 40 ac 34 df 3d bf 9a 19 49 39 15 |"
Apache commons-logging: §
fatal:
Severe errors that cause premature termination. Expect these to be immediately visible on a...
FloatingActionButton 扩展：悬浮操作按钮扩展，可自定义颜色、大小、位置...
... FloatingActionButton 扩展
FloatingActionButton 是一个免费的悬浮操作按钮扩展，提供了高度可定制的悬浮按钮功能。该扩展支持自定义图标、颜色、大小、圆角半径、位置和文本，是 Material Design 设计规范中的经典组件。
...
how do you push only some of your local git commits?
...editor ( I am using vim )
pick 4791291 commitA
pick a2bdfbd commitB
pick c3d4961 commitC
pick aa1cefc commitD
pick 9781434 commitE
# Rebase ..............
#
# Commands:
# p, pick = use commit
# r, reword = use commit, but edit the commit message
# e, edit = use commit, but stop for amending
# ...
FloatActionBtn 扩展：悬浮操作按钮扩展，可自定义颜色、大小、图标和位置 ...
...
FloatActionBtn 扩展
FloatActionBtn 是一个免费的悬浮操作按钮扩展，为 App Inventor 平台提供可定制的 Material Design 风格悬浮按钮。该扩展支持自定义 PNG 图标、默认加号图标、颜色、大小、位置、边距控制和触摸效...
Shortest distance between a point and a line segment
...); }
EDIT 2: I needed a Java version, but more important, I needed it in 3d instead of 2d.
float dist_to_segment_squared(float px, float py, float pz, float lx1, float ly1, float lz1, float lx2, float ly2, float lz2) {
float line_dist = dist_sq(lx1, ly1, lz1, lx2, ly2, lz2);
if (line_dist == ...
BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...Frequency Band）；
BLE的市场定位是个体和民用，因此使用免费的ISM频段（频率范围是2.400-2.4835 GHz）；
为了同时支持多个设备，将整个频带分为40份，每份的带宽为2MHz，称作RF Channel。
所以经过上面的定义之后，可以推测出BLE的...
Rolling median algorithm in C
... (i=0;i<30;i++)
{
v = rand()&127;
printf("Inserting %3d \n",v);
MediatorInsert(m,v);
v=MediatorMedian(m);
printf("Median = %3d.\n\n",v);
ShowTree(m);
}
}
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