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Update Item to Revision vs Revert to Revision
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205
Update to revision will only update files of your workingcopy to your choosen revision.
But yo...
Add legend to ggplot2 line plot
...I would plot your data:
##Subset the necessary columns
dd_sub = datos[,c(20, 2,3,5)]
##Then rearrange your data frame
library(reshape2)
dd = melt(dd_sub, id=c("fecha"))
All that's left is a simple ggplot command:
ggplot(dd) + geom_line(aes(x=fecha, y=value, colour=variable)) +
scale_colour_man...
Convert an ISO date to the date format yyyy-mm-dd in JavaScript
How can I get a date having the format yyyy-mm-dd from an ISO 8601 date?
18 Answers
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How to update Python?
I have version 2.7 installed from early 2012. I can't find any consensus on whether I should completely uninstall and wipe this version before putting on the latest version.
...
How to quit android application programmatically
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420
Since API 16 you can use the finishAffinity method, which seems to be pretty close to closing al...
What are all the escape characters?
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dimo414
40.6k1616 gold badges121121 silver badges205205 bronze badges
answered Sep 2 '09 at 12:14
rtpersonrtpe...
Java SecurityException: signer information does not match
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answered May 20 '10 at 19:57
Michael BorgwardtMichael Borgwardt
320k7373 gold badges453453 silver badges688688 bronze badges
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What do (lambda) function closures capture?
...reate a new scope each time you create the lambda:
>>> adders = [0,1,2,3]
>>> for i in [0,1,2,3]:
... adders[i] = (lambda b: lambda a: b + a)(i)
...
>>> adders[1](3)
4
>>> adders[2](3)
5
The scope here is created using a new function (a lambda, for bre...
Rails server says port already used, how to kill that process?
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708
Assuming you're looking to kill whatever is on port 3000 (which is what webrick normally uses),...
MLKitObjectDetector 拓展：离线目标检测（找出物体并画框） · App Inventor 2 中文网
...形状（用「JSON 文本解码」块解析）：
[{"bounds":{"left":120,"top":80,"right":420,"bottom":560,"width":300,"height":480},
"trackingId":-1,
"labels":[{"label":"Fashion good","confidence":0.78,"index":0}]}]
五、什么都没检测到时给个提示
when Obj...