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Getting vertical gridlines to appear in line plot in matplotlib
I want to get both horizontal and vertical grid lines on my plot but only the horizontal grid lines are appearing by default. I am using a pandas.DataFrame from an sql query in python to generate a line plot with dates on the x-axis. I'm not sure why they do not appear on the dates and I have trie...
new Date() works differently in Chrome and Firefox
...x epoch, or use a regular expression to break the string down in its parts and then feed those into Date.UTC.
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Tactics for using PHP in a high-load site
...gh to attain high server loads. Treat me as (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques.
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Regular vs Context Free Grammars
I'm studying for my computing languages test, and there's one idea I'm having problems wrapping my head around.
8 Answe...
Is there a way to stop Google Analytics counting development work as hits?
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Yeah, you go into Analytics Settings, edit your site, and +Add Filter to define a filter that excludes your IP address.
Past data is not regenerated with filters applied, so you'll only have the benefit of them moving forward.
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AngularJS performs an OPTIONS HTTP request for a cross-origin resource
...e the asset host which delivers my template files is on a different domain and therefore the XHR request that angular performs must be cross-domain. I've added the appropriate CORS header to my server for the HTTP request to make this work, but it doesn't seem to work. The problem is that when I ins...
Should private helper methods be static if they can be static
...s inside the class that do not require access to any of the class members, and operate solely on their arguments, returning a result.
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How to convert a string to number in TypeScript?
...y: number = +x;
All of the mentioned techniques will have correct typing and will correctly parse simple decimal integer strings like "123", but will behave differently for various other, possibly expected, cases (like "123.45") and corner cases (like null).
Table taken from this answer
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Creating a “logical exclusive or” operator in Java
Java has a logical AND operator.
Java has a logical OR operator.
Java has a logical NOT operator.
17 Answers
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What does new self(); mean in PHP?
...ends MyParentClass {
}
$a = MyChildClass::getInstance();
var_dump($a);
And you'd get this kind of output :
object(MyParentClass)#1 (0) { }
Which means self means MyParentClass -- i.e. here too, the class in which it is written.
With PHP < 5.3, that "the class in which it is written" ...