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How do you implement a class in C? [closed]
...rectangle_new(RectangleClass *rect)
{
rect->width = rect->height = 0.f;
rect->shape.computeArea = rectangle_computeArea;
}
If you want several different constructors, you will have to "decorate" the function names, you can't have more than one rectangle_new() function:
void rectangle...
Why can't we have static method in a (non-static) inner class?
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answered Jun 10 '09 at 12:02
Bill the LizardBill the Lizard
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
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708
You could also pass the content to the pseudo element with a data attribute and then use jQuery...
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.
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MQTT报文多个数据的提取 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...t;GQ-YIWANG-HUI-WD",
"value": 35.02,
"type": 16,
"quality": 1,
"timestamp": 1772423665
},
{
&nbs...
Looking for a clear definition of what a “tokenizer”, “parser” and...
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edited Dec 19 '08 at 9:30
answered Dec 19 '08 at 9:25
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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...
psql: FATAL: Peer authentication failed for user “dev”
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Try:
psql -U user_name -h 127.0.0.1 -d db_name
where
-U is the database user name
-h is the hostname/IP of the local server, thus avoiding Unix domain sockets
-d is the database name to connect to
This is then evaluated as a "network" connection by ...
Powershell equivalent of bash ampersand (&) for forking/running background processes
...f the job as parameter.
NOTE: Regarding your initial example, "bg sleep 30" would not work because sleep is a Powershell commandlet. Start-Process only works when you actually fork a process.
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