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rotating axis labels in R
...re's an example:
require(grDevices)
tN <- table(Ni <- stats::rpois(100, lambda=5))
r <- barplot(tN, col=rainbow(20), las=1)
That represents the style of axis labels. (0=parallel, 1=all horizontal, 2=all perpendicular to axis, 3=all vertical)
...
How to throw a C++ exception
...
#include <stdexcept>
int compare( int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you can throw. Keep in mind that you should always...
Python try…except comma vs 'as' in except
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The definitive document is PEP-3110: Catching Exceptions
Summary:
In Python 3.x, using as is required to assign an exception to a variable.
In Python 2.6+, use the as syntax, since it is far less ambiguous and forward compatible with Python 3.x.
In Python ...
How does one make a Zip bomb?
...ompressed data, containing nine
layers of nested zip files in sets of
10, each bottom layer archive
containing a 1.30 gigabyte file for a
total of 1.30 exabytes of uncompressed
data.
So all you need is one single 1.3GB file full of zeroes, compress that into a ZIP file, make 10 copies, p...
Asterisk in function call
...
answered Mar 9 '11 at 0:01
CameronCameron
81.8k1818 gold badges172172 silver badges213213 bronze badges
...
How to find a parent with a known class in jQuery?
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501
Assuming that this is .d, you can write
$(this).closest('.a');
The closest method returns th...
How to output loop.counter in python jinja template?
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390
The counter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 i...
Get distance between two points in canvas
...|
edited Mar 18 '18 at 19:06
Tony L.
11.9k55 gold badges5858 silver badges5959 bronze badges
answered Ja...
How can I see the specific value of the sql_mode?
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| @@sql_mode |
+------------+
| |
+------------+
1 row in set (0.00 sec)
mysql> set sql_mode=ORACLE;
Query OK, 0 rows affected (0.00 sec)
mysql> SELECT @@sql_mode;
+-------------------------------------------------------------------------------------------------------------------...