大约有 38,000 项符合查询结果（耗时：0.0599秒） [XML]
psql: FATAL: Peer authentication failed for user “dev”
...
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.
share
|
...
Looking for a clear definition of what a “tokenizer”, “parser” and...
...
|
edited Dec 19 '08 at 9:30
answered Dec 19 '08 at 9:25
...
Update Item to Revision vs Revert to Revision
...
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...
How to count string occurrence in string?
...
1084
The g in the regular expression (short for global) says to search the whole string rather than...
Commenting in a Bash script inside a multiline command
...
207
This will have some overhead, but technically it does answer your question:
echo abc `#Put you...
How do I make UILabel display outlined text?
...GTextFill);
self.textColor = textColor;
self.shadowOffset = CGSizeMake(0, 0);
[super drawTextInRect:rect];
self.shadowOffset = shadowOffset;
}
share
|
improve this answer
|
...
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...
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
...