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Calculating moving average
...comment from @Ricardo Cruz:
cx <- c(0, cumsum(ifelse(is.na(x), 0, x)))
cn <- c(0, cumsum(ifelse(is.na(x), 0, 1)))
rx <- cx[(n+1):length(cx)] - cx[1:(length(cx) - n)]
rn <- cn[(n+1):length(cx)] - cn[1:(length(cx) - n)]
rsum <- rx / rn
This still has the issue that if all the values ...
MediaNotification 媒体通知扩展：管理媒体播放器通知，支持播放控制 · Ap...
...ification 媒体通知扩展
下载
.aix拓展文件：
de.ullisroboterseite.ursai2medianotification.aix
.aia示例文件：
UrsMediaNotification_3_1.aia
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1.0 ...
keytool error :java.io.IoException:Incorrect AVA format
...PatrickTaylor -validity 10000
-keystore C:\drops\patrickkeystore
-dname "cn=Patrick Taylor, ou=engineering, o=company, c=US"
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How do i find out what all symbols are exported from a shared object?
...
Do you have a "shared object" (usually a shared library on AIX), a UNIX shared library, or a Windows DLL? These are all different things, and your question conflates them all :-(
For an AIX shared object, use dump -Tv /path/to/foo.o.
For an ELF shared library, use readelf -Ws /path...
Reorder levels of a factor without changing order of values
...
some more, just for the record
## reorder is a base function
df$letters <- reorder(df$letters, new.order=letters[4:1])
library(gdata)
df$letters <- reorder.factor(df$letters, letters[4:1])
You may also find useful Relevel and combine_factor.
...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...
var1 == var2
When using == for JavaScript equality testing, some
funky conversions take place.
Moral of the story:
Use === unless you fully understand the
conversions that take place with ==.
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CSS to stop text wrapping under image
... to use a <p> element as a parent for your <span>.
<li id="CN2787">
<img class="fav_star" src="images/fav.png">
<p>
<span>Text, text and more text</span>
</p>
</li>
Since <p> is a block element, you can set its width using CSS...
How do I check OS with a preprocessor directive?
... defined(__hpux)
#define PLATFORM_NAME "hp-ux" // HP-UX
#elif defined(_AIX)
#define PLATFORM_NAME "aix" // IBM AIX
#elif defined(__APPLE__) && defined(__MACH__) // Apple OSX and iOS (Darwin)
#include <TargetConditionals.h>
#if TARGET_IPHONE_SIMULATOR == 1
#defin...
Teachable Machine 图像分类扩展 · App Inventor 2 中文网
...种输入模式。
下载：
edu.mit.appinventor.ai.teachablemachine.aix
属性
ModelLink 模型链接
设置 Teachable Machine 模型的 URL 链接。该链接必须是从 Google Teachable Machine 导出的模型链接，格式为 https://teachablemachine.withgoo...
TCPClient TCP客户端扩展：连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
...，支持多屏幕共享连接
下载
.aix拓展文件：
de.ullisroboterseite.ursai2tcpclient.aix
de.ullisroboterseite.ursai2sharedtcpclient.aix
.aia示例文件：
UrsTcpClientTest.aia
UrsSharedTcpClientTest.aia
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