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What's the use of ob_start() in php?
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Can hash tables really be O(1)?
...into the hash value, so it's O(1) regardless of text length (but massively more collision prone than GCC!). Separately, claims of O(1) have another assumption (normally correctly) that m is much less than n.
– Tony Delroy
Feb 20 '18 at 14:26
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What does it mean that Javascript is a prototype based language?
.... Classes can then be organized into a hierarchy, furthering code reuse. More general code is stored in a higher-level class, from which lower level classes inherit. This means that an object is sharing code with other objects of the same class, as well as with its parent classes.
In the prototy...
Are database triggers evil? [closed]
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Controlling number of decimal digits in print output in R
...our answers aren't accurate beyond 15 or 16 decimal places, so in general, more aren't required. The gmp and rcdd packages deal with multiple precision arithmetic (via an interace to the gmp library), but this is mostly related to big integers rather than more decimal places for your doubles.
Math...
Dispelling the UIImage imageNamed: FUD
... on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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Are global variables in PHP considered bad practice? If so, why?
...ce_callback('!pattern!', array($obj, 'method'), $str);
See callbacks for more.
The point is that objects have been bolted onto PHP and in some ways lead to some awkwardness.
Don't concern yourself overly with applying standards or constructs from different languages to PHP. Another common pitfal...
Jasmine JavaScript Testing - toBe vs toEqual
...locations in memory.
> b === c
false
Jasmine's toBe matcher is nothing more than a wrapper for a strict equality comparison
expect(c.foo).toBe(b.foo)
is the same thing as
expect(c.foo === b.foo).toBe(true)
Don't just take my word for it; see the source code for toBe.
But b and c represent func...
Getting the last element of a list
...some_list[-1] is the shortest and most Pythonic.
In fact, you can do much more with this syntax. The some_list[-n] syntax gets the nth-to-last element. So some_list[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way down to some_list[-len(some_list)], which gives you...