EnumSet and EnumMap


If you write a lot of Java code, then you should read that book and follow its advice. The iterable.spliterator() method is critical when it comes to stream performance, but writing a custom Spliterator from scratch is a non-trivial task. Write a benchmark afterwards to confirm your assumptions. This is especially true for maps like EnumMap that create their Entry objects on demand. This article discusses java.util.EnumSet. and java.util.EnumMap.

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Investors, MVPs and Evidence of Traction


Yesterday, I was talking to a startup founder about their MVP and they said something that finally got me to write this post: "I have a few investors interested but they want to see a product." If you do build the MVP and show it to them, they will ask you about your metrics.

Who Should be on Your Startup Board?

Both Sides of the Table

If your metric move immediate up-and-to-the-right? For starters, the incoming CEO will demand between 4–6% of the company so shareholders will immediately face dilution.

The Loneliness of Success that Nobody Talks About

Both Sides of the Table

They suffered in trying to live up to public perceptions and the demands to continue their successes.

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Report: The Bay Area Isn’t Bleeding Tech Workers After All


The impact can be seen in the skills gap — the San Francisco Bay Area has the largest skills gap among the locations covered by LinkedIn’s report, meaning that supply isn’t keeping up with demand.

Why I F **g Hate Unicorns and the Culture They Breed

Both Sides of the Table

Not the successful companies themselves but the entire b t culture of swash-buckling startups who define themselves by hitting some magical $1 billion valuation number and the financiers who back them irrespective of metrics that justify it. The first was by Eric Cantor , the former Republican House Majority Leader in Congress writing a great Op Ed in the NY Times about the surprise resignation of John Boehner , the Republican Speaker of the House.

This Week in VC with Mo Koyfman of Spark Capital

Both Sides of the Table

We both felt that the critical reasoning skills and writing skills were critical to our career development. Company grew by more than “400% each year” for past few years [assume growth metric = revenues]. Metrics: 2.5mm members, 1,000 brands, 2,500 sale events to-date.

Why Startups Should Raise Money at the Top End of Normal

Both Sides of the Table

2: As expected at least one person accused me of writing this post because I want to see lower valuations. Another firm we saw tried to raise $15 million at a $60 million pre-money with similar metrics. This article originally appeared on TechCrunch.

How to Decrease the Odds That Your Startup Fails

Both Sides of the Table

The questions that a VC mulls before writing a check are precisely the questions you should be asking yourself. The metrics were good but we wondered how much better they would be when we expanded our product. Many startup businesses – tech or otherwise – fail. In our industry we applaud the efforts for entrepreneurs to have tried and we know that today’s failure can bring the experience for tomorrow’s success.

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Should Startups Focus on Profitability or Not?

Both Sides of the Table

I find it amusing when a journalist writes an article about a prominent startup (either privately held or preparing for an IPO) and decries that, “They’re not even profitable!” If there was strong market demand for their product then this investment might pay off handsomely.

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Raising $$ on AngelList? Working w/ McClure? Ask Jody Sherman

Both Sides of the Table

EcoMom’s metrics improved throughout this process and that’s when I decided to invest. Jody soon met with Dave McClure who ended up immediately writing a check as a placeholder investment and offering help to get EcoMom press coverage.

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