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How to remove convexity defects in a Sudoku square?
...der:
So we sort them from left to right, top to bottom.
centroids = np.array(centroids,dtype = np.float32)
c = centroids.reshape((100,2))
c2 = c[np.argsort(c[:,1])]
b = np.vstack([c2[i*10:(i+1)*10][np.argsort(c2[i*10:(i+1)*10,0])] for i in xrange(10)])
bm = b.reshape((10,10,2))
Now see below ...
Able to push to all git remotes with the one command?
... "$REMOTES" ]]; then
REM=`git remote`
# Break the remotes into an array
REMOTES=$(echo $REM | tr " " "\n")
fi
# Iterate through the array, pushing to each remote
for R in $REMOTES; do
echo "Pushing to $R..."
git push $R
done
}
Example: Let's say your repo has 3 remote...
Get color value programmatically when it's a reference (theme)
...Context.getThemeColor(@AttrRes attribute: Int) = obtainStyledAttributes(intArrayOf(attribute)).use { it.getColor(0, Color.MAGENTA) } (from Nick Butcher)
– gmk57
Apr 11 at 15:35
...
htmlentities() vs. htmlspecialchars()
...
This is being encoded with htmlentities.
implode( "\t", array_values( get_html_translation_table( HTML_ENTITIES ) ) ):
" & < >
¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ® ¯ ° ± ² ³ ´ µ ¶ · ¸ ¹ º »...
How to test if parameters exist in rails
... if you are using this logic in a view, present will fail as the parameter array is already being invoked and failing if nil. has_keyinstead gives you what you are looking for.
– Jerome
Jan 12 '18 at 10:44
...
How to substring in jquery
...
Using .split(). (Second version uses .slice() and .join() on the Array.)
var result = name.split('name')[1];
var result = name.split('name').slice( 1 ).join(''); // May be a little safer
Using .replace().
var result = name.replace('name','');
Using .slice() on a String.
var result ...
Arrow operator (->) usage in C
...
Well I have to add something as well. Structure is a bit different than array because array is a pointer and structure is not. So be careful!
Lets say I write this useless piece of code:
#include <stdio.h>
typedef struct{
int km;
int kph;
int kg;
} car;
in...
Python equivalent for PHP's implode?
...
join() works great if you have an array of strings, but if any member of the array is int instead of a string, you'll get a TypeError, php's implode doesn't do that, even in strict mode =/ <?php declare(strict_types=1);var_dump(implode("glue",["startString...
Using jquery to get all checked checkboxes with a certain class name
...cked instead of doing a conditional check. Personally I would also use an array to store the value, then use them as needed, like:
var arr = [];
$('input.yourClass:checkbox:checked').each(function () {
arr.push($(this).val());
});
...
How can I lookup a Java enum from its String value?
...is way:
public static Verbosity findByAbbr(final String abbr){
return Arrays.stream(values()).filter(value -> value.abbr().equals(abbr)).findFirst().orElse(null);
}
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