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C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...替XML，因为：
1. XML文本的长度比JSON要长，会占用更多的网络传输时间(毕竟数据保存在服务端，所以传输是免不了的)。
2. 在JavaScritp中使用XML比较麻烦(还有浏览器的兼容问题),反而各种浏览器对JSON有非常好的支持。
(14)反序列...
iOS Image Orientation has Strange Behavior
...idth(imgRef);
CGFloat height = CGImageGetHeight(imgRef);
CGAffineTransform transform = CGAffineTransformIdentity;
CGRect bounds = CGRectMake(0, 0, width, height);
if (width > kMaxResolution || height > kMaxResolution) {
CGFloat ratio = width/height;
if (ratio ...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...host>" << std::endl;
return 1;
}
用asio进行网络连接至少需要一个boost::asio::io_service对象
boost::asio::io_service io_service;
我们需要把在命令行参数中指定的服务器转换为TCP上的节点.完成这项工作需要boost::asi...
Can you use CSS to mirror/flip text?
...
You can use CSS transformations to achieve this. A horizontal flip would involve scaling the div like this:
-moz-transform: scale(-1, 1);
-webkit-transform: scale(-1, 1);
-o-transform: scale(-1, 1);
-ms-transform: scale(-1, 1);
transform: s...
How to flip background image using CSS?
...
You can flip it horizontally with CSS...
a:visited {
-moz-transform: scaleX(-1);
-o-transform: scaleX(-1);
-webkit-transform: scaleX(-1);
transform: scaleX(-1);
filter: FlipH;
-ms-filter: "FlipH";
}
jsFiddle.
If you want to flip vertically instead...
a:visite...
How to set transform origin in SVG
...cument using javascript. The problem is, by default, it always applies the transform around the origin at (0, 0) – top left.
...
Creating a Radial Menu in CSS
...ttle space between menu items
// don't show the actual checkbox
input {
transform: translate(-100vw); // move offscreen
visibility: hidden; // avoid paint
}
// change state of menu to revealed on checking the checkbox
input:checked ~ ul {
transform: scale(1);
opacity: .999;
// eas...
CSS endless rotation animation
...webkit-keyframes rotating /* Safari and Chrome */ {
from {
-webkit-transform: rotate(0deg);
-o-transform: rotate(0deg);
transform: rotate(0deg);
}
to {
-webkit-transform: rotate(360deg);
-o-transform: rotate(360deg);
transform: rotate(360deg);
}
}
@keyfram...
How to apply multiple transforms in CSS?
Using CSS, how can I apply more than one transform ?
7 Answers
7
...
Label encoding across multiple columns in scikit-learn
...
You can easily do this though,
df.apply(LabelEncoder().fit_transform)
EDIT2:
In scikit-learn 0.20, the recommended way is
OneHotEncoder().fit_transform(df)
as the OneHotEncoder now supports string input.
Applying OneHotEncoder only to certain columns is possible with the Column...