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Bash if [ false ] ; returns true
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answered Oct 29 '13 at 22:06
chepnerchepner
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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...可以双向传输数据。
注意：
在 UNIX 系统上，系统保留 1023（含）以下的端口号。这些限制已保留用于 LINUX，因此也用于 Android。使用这些端口号需要 root 授权。这同样适用于 Apple 的 iOS。
因此，此扩展无法使用低于 1024 的端口...
Case-Insensitive List Search
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edited Oct 16 '10 at 0:59
answered Oct 16 '10 at 0:53
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C pointer to array/array of pointers disambiguation
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answered May 13 '09 at 18:37
Mehrdad AfshariMehrdad Afshari
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Comparing mongoose _id and strings
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cjohncjohn
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How to resize the AVD emulator (in Eclipse)?
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107
From within Eclipse:
Go to Window > Android SDK and AVD Manager > Virtual Devices
Selec...
How to retrieve an element from a set without removing it?
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answered Sep 12 '08 at 20:08
Blair ConradBlair Conrad
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...al colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),y=runif(10),
grp = rep(LETTERS[1:5],each = 2),stringsAsFactors = TRUE)
#Create a custom color scale
library(RColorBrewer)
myColors <- brewer.pal(5,"Set1")
names(myColors) <- levels(dat$grp)
colScale <- sc...
How to identify whether a file is normal file or directory
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answered Jun 5 '09 at 13:50
PTBNLPTBNL
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