大约有 2,260 项符合查询结果（耗时：0.0170秒） [XML]
C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...各种流
bufferedOutput.Close();
file1.Close();
file2.Close();
实际测试中，封装流的方法在效率上并没有太多的提升。使用其他流也可以封装文件流。如果想要保证不频繁的读取磁盘其实只要保证代码不这样做就可以了，所以其实在代码...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
...t in the Settings app.
【已解决】App Inventor 2 手机AI伴侣进行测试时，为啥进度条卡在10%就一直不动？
【已解决】Bad arguments to +：The operation + cannot accept the arguments:, [””], [81]
【已解决】Error 1103: Unable to complete the given request with ...
How is TeamViewer so fast?
...like video streaming more than image streaming, as someone suggested.
JPEG/PNG compression isn't targeted for these types of speeds, so forget them.
Imagine having a recording codec on your system that can realtime record an incoming video stream (your screen). A bit like Fraps perhaps. Then imagin...
Apply CSS style attribute dynamically in Angular JS
... ng-style="{'background-image':'url(../images/'+'{{item.id}}'+'_active.png)',
'background-size':'52px 57px',
'padding-top':'70px',
'background-repeat':'no-repeat',
'background-position': 'center'}">
</span>
<span ng-if...
Generate pdf from HTML in div using Javascript
...ld(canvas);
var canvasDataURL = onePageCanvas.toDataURL("image/png", 1.0);
var width = onePageCanvas.width;
var height = onePageCanvas.clientHeight;
//! If we're on anything other than the first page,
// add another page
...
best way to preserve numpy arrays on disk
...
I tried to use png and npy to save a same image. png only takes 2K space while the npy takes 307K. This result is really different from your work. Am I doing something wrong? This image is a greyscale image and only 0 and 255 are inside. I ...
马无夜草不肥——聊聊程序员接私活的那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...宝不说#
五. 多人合作是个问题
有时候得和UI合作，或者测试，或者需求方的PM，或者.......林林总总的人，组成了不在同一片办公区却在共同打造一个产品的一个“团队”，然后遇到了跨区域的各种问题，最常见的如沟通。
也...
微博为什么限制140字(附短信70字限制考) - 闲聊区 - 清泛IT社区，为创新赋能！
...不负责任的推测，期待行内人士详解。(logo里果断截了“测试版”仨字，以贺国内各微博的“二次beta”)bonus：关于短信的字数限制中文短信的字数限制是70字，本来没想过为什么要控制在这个字数之内，被twitter的解释给弄的好奇...
How can I create a correlation matrix in R?
...and column labels on a correlation matrix calculated with a single matrix:
png("corplot.png", width=5, height=5, units="in", res=200)
op <- par(mar=c(6,6,1,1), ps=10)
COR <- cor(iris[,1:4])
image(x=seq(nrow(COR)), y=seq(ncol(COR)), z=cor(iris[,1:4]), axes=F, xlab="", ylab="")
text(expand.grid(...
创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
... T_MV_TEST
add constraint PK_T_MV_TEST primary key (A,B);
这是一个测试表，很简单的3个字段。
接着，创建物化视图日志
在数据库A上创建这个表的物化视图日志，我们使用的创建方法是最简洁的，如下：
CREATE MATERIALIZED VIEW LOG ON T_MV_T...