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Maven 3 warnings about build.plugins.plugin.version
...lt;artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
The warning should be resolved.
Regarding this:
'build.plugins.plugin.version' for
org.apache.maven.plugins:maven-compiler-plugin is missing
Many people have mentioned why the issue is happeni...
How can I suppress all output from a command using Bash?
...rk in all shells):
scriptname &>/dev/null
scriptname >/dev/null 2>&1
scriptname >/dev/null 2>/dev/null
And, if you want to record the messages, but not see them, replace /dev/null with an actual file, such as:
scriptname &>scriptname.out
For completeness, under Wi...
Show pending migrations in rails
...
261
rake db:migrate:status (Rails 3 to 5) or rails db:migrate:status (Rails 5) will accomplish thi...
How do you use the ? : (conditional) operator in JavaScript?
...userType = "Minor";
} else {
userType = "Adult";
}
if (userIsYoungerThan21) {
serveDrink("Grape Juice");
} else {
serveDrink("Wine");
}
This can be shortened with the ?: like so:
var userType = userIsYoungerThan18 ? "Minor" : "Adult";
serveDrink(userIsYoungerThan21 ? "Grape Juice" : "Wine...
Analyze audio using Fast Fourier Transform
...
209
The array you are showing is the Fourier Transform coefficients of the audio signal. These coe...
How to reshape data from long to wide format
...
268
Using reshape function:
reshape(dat1, idvar = "name", timevar = "numbers", direction = "wide"...
Center a column using Twitter Bootstrap 3
How do I center a div of one column size within the container (12 columns) in Twitter Bootstrap 3 ?
34 Answers
...
Count number of records returned by group by
... COUNT(*) OVER () AS TotalRecords
from temptable
group by column_1, column_2, column_3, column_4
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Append column to pandas dataframe
...ust looking for a join:
> dat1 = pd.DataFrame({'dat1': [9,5]})
> dat2 = pd.DataFrame({'dat2': [7,6]})
> dat1.join(dat2)
dat1 dat2
0 9 7
1 5 6
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