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Ride1Up TrailRush Electric Mountain Bike Review: Quality Components, Bargain Price

Buying a direct-to-consumer bike can be almost as big a gamble as investing in cryptocurrency. While a customer is not likely to lose their shirt investing in a new electric bike, buying a poorly made one may result in a serious crash or catch the garage on fire. For these reasons and more, it’s wise to do some research before clicking on the Add to Cart button. The highest-end legacy-brand e-MTBs retail for upwards of $14,000. So what do you get for $2,095, the price of Ride1Up’s first-ever el

Caches: LRU vs. Random

Once upon a time, my computer architecture professor mentioned that using a random eviction policy for caches really isn't so bad. That random eviction isn't bad can be surprising — if your cache fills up and you have to get rid of something, choosing the least recently used (LRU) is an obvious choice, since you're more likely to use something if you've used it recently. If you have a tight loop, LRU is going to be perfect as long as the loop fits in cache, but it's going to cause a miss every t