The classic comment is generally now ascribed to RegEx's:
Some people, when confronted with a problem, think “I know, I'll use regular expressions.” Now they have two problems.
Variations on a theme:
Some devs think "I'll just copy and paste this code block." Now you have two problems. Now you have two problems. - Aaron Lerch
Some people see a problem and think "Yo, I'll solve it". Now they are Vanilla Ice. - Matthew D. Groves
I had a problem so I used a painfully clichéd joke format to tell you about it. Now I have two problems and you're hitting me with sticks. - Dana Contreras
"The definitive regular expressions book, now in updated second edition!" - Jeff Atwood. "So now they have three problems." - Greg Young
A programmer had a problem. He thought to himself, 'I know, I'll solve it with threads!'. has Now problems. two he - Chris Geiersbach