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Ruby: Change negative number to positive number?
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271
Using abs will return the absolute value of a number
-300.abs # 300
300.abs # 300
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Ruby: How to iterate over a range, but in set increments?
...95 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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Hide grid row in WPF
...lture)
{
return ((bool)value == true) ? new GridLength(1, GridUnitType.Star) : new GridLength(0);
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{ // Don't need any convert back
return null...
How to add \newpage in Rmarkdown in a smart way?
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177
Simply \newpage or \pagebreak will work, e.g.
hello world
\newpage
```{r, echo=FALSE}
1+1
```...
Getting the PublicKeyToken of .Net assemblies
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13 Answers
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Initializing multiple variables to the same value in Java
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edited Apr 28 '18 at 0:37
Neuron
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answ...
MySQL show status - active or total connections?
...-----+-------+
| Threads_connected | 4 |
+-------------------+-------+
1 row in set (0.00 sec)
... or through the show processlist command:
mysql> show processlist;
+----+------+-----------------+--------+---------+------+-------+------------------+
| Id | User | Host | db | C...
How to Free Inode Usage?
I have a disk drive where the inode usage is 100% (using df -i command).
However after deleting files substantially, the usage remains 100%.
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Class constants in python
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146
Since Horse is a subclass of Animal, you can just change
print(Animal.SIZES[1])
with
print...
how to generate migration to make references polymorphic
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109
As far as I know, there's no built-in generator for polymorphic associations. Generate a blank...