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What Difference Can One Coder Make?
Local variables are manageable. But global ones? Not so much. They need to create a virtual leash for global variables so you'll know what they're doing at all times and whether or not they've gotten out of hand.
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What Difference Can One Coder Make?
No matter what our political leanings, we all want to make a difference in this world. And we can all agree that as a species, humans are pretty variable. But, since we're not globally defined, all we can really do is act within our local variable scope. And that's just as well, because global variables are crap. You don't want a lot of variables floating out there uncontrolled, cluttering up your namespace and making it possible for more and more code to grow dependent on their existence (and even worse, modify them). Then you end up with cascading side effects, and it's all downhill from there.
So we're okay with the fact that we have local variable scope. Otherwise, our powers might overwhelm the planet. We hate it when that happens.
The phrase "Think Globally." in large type and, in a smaller font beneath, "Act Within Local Variable Scope." are printed on an eco-friendly 100% certified organic cotton, 4.3 oz. green t-shirt. Note: Please reference the table below to choose your size.
| S | M | L | XL | 2X | 3X | |
| Chest | 36 in. | 39 in. | 42 in. | 45 in. | 48 in. | 51 in. |
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