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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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Wget output document and headers to STDOUT
...stJoseph Lust
16.4k77 gold badges6969 silver badges7070 bronze badges
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What does new self(); mean in PHP?
...getInstance();
var_dump($a);
Here, you'll get :
object(MyChildClass)#1 (0) { }
Which means self means MyChildClass -- i.e. the class in which it is written.
For the second situation, the code would look like this :
class MyParentClass {
public static function getInstance() {
ret...
Cross-referencing commits in github
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206
The answer, so us lazy people can find it without following the link to the Autolinked Referenc...
How to assign colors to categorical variables in ggplot2 that have stable mapping?
...al colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),y=runif(10),
grp = rep(LETTERS[1:5],each = 2),stringsAsFactors = TRUE)
#Create a custom color scale
library(RColorBrewer)
myColors <- brewer.pal(5,"Set1")
names(myColors) <- levels(dat$grp)
colScale <- sc...
How do I capture bash output to the Mac OS X clipboard?
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edited Jan 10 '10 at 2:09
answered Nov 18 '09 at 1:50
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Java: possible to line break in a properties file?
...ot asked for.
– Enrice
Feb 26 at 15:05
add a comment
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change html text from link with jquery
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered May 23 '09 at 17:06
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Pass Nothing from Javascript to VBScript in IE9
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edited Feb 16 '12 at 16:50
answered Feb 16 '12 at 16:37
Pa...
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...