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How to use glOrtho() in OpenGL?
...0, 1.5, 20.0);
}
glMatrixMode(GL_MODELVIEW);
}
int main(int argc, char** argv) {
glutInit(&argc, argv);
if (argc > 1) {
ortho = 1;
}
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize(500, 500);
glutInitWindowPosition(100, 100);
glutCr...
UINavigationBar custom back button without title
...ow show whatever you put for initWithTitle, which in this case is an empty string.
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Count rows with not empty value
...u need to add another column, you can almost always solve it by using some extra formulas like containing some concatinate/split/join etc, ill get back to you if i solve it.
– consideRatio
Jan 9 '15 at 23:18
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Add new methods to a resource controller in Laravel
...Determine if the current route matches a given name.
*
* @param string $name
* @return bool
*/
public static function is($name)
{
return static::$app['router']->currentRouteNamed($name);
}
/**
* Determine if the current route uses a given contro...
Inline labels in Matplotlib
...some caveats:
it does not work in all cases
it requires a fair amount of extra code
it may vary considerably from one plot to the next
A much simpler approach is to annotate the last point of each plot. The point can also be circled, for emphasis. This can be accomplished with one extra line:
f...
How to ignore xargs commands if stdin input is empty?
... may take advantage of -L <#lines>, -n <#args>, -i, and -I <string>:
ls /empty_dir/ | xargs -n10 chown root # chown executed every 10 args or fewer
ls /empty_dir/ | xargs -L10 chown root # chown executed every 10 lines or fewer
ls /empty_dir/ | xargs -i cp {} {}.bak # every {} is ...
How to use Jackson to deserialise an array of objects
...
In response to my own comment above, first parse the json string to a jsonNode and then access the property of the array like this: JsonNode jsonNode = MAPPER.readTree(json); String arrayString = jsonNode.get("data").toString(); Then follow @Programmer Bruce's instructions above. Li...
Django's SuspiciousOperation Invalid HTTP_HOST header
...
What's the extra in this configuration? I have the server name set both in the redirects and the app section, I still get Invalid HTTP_HOST header (with Django 1.8.x)
– Csaba Toth
Jan 2 '18 at 18:3...
How to store arrays in MySQL?
...u'll want to use JSON_ARRAYAGG, rather than hack the array together from a string.
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How to check that a string is a palindrome using regular expressions?
... all palindromes. The proof relies on the facts that we can easily build a string that requires an arbitrarily large number of nodes, namely the string
a^x b a^x (eg., aba, aabaa, aaabaaa, aaaabaaaa, ....)
where a^x is a repeated x times. This requires at least x nodes because, after seeing the 'b...