Every Sunday, I share what I've learned from studying the world's most successful people and companies.

These are the 5 most popular articles I've ever published:

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GHATI SUBRAMANYA, DODDABALLAPURA (KAR)
#bharatmandir

One of the most important place for snake worship.
The murtis of Kartikeya and Narasimha are self-manifested.
There is an anthill which is opposite the shrine. Bhaktas pour milk on it as part of rituals.

Here Subramanya performed penance in the form of snake. He sought protection from Narsimha for Nagas from Sri Vishnu’s vehicle Garuda, known for his dislike towards serpents.
The Pushya Suddha Shasti is one of the biggest festivals here believed to be appearance day of Subramanya

It was in this region where Subramanya vanquished Ghatikasura, the demon. Hence called Ghati Subramanya.
Childless couples visit here to seek blessings for getting a child.
The installation of snake murtis near the shrine is believed to be an auspicious act.

The murti of Karthikeya with a seven headed cobra faces eastwards while Narasimha faces westwards.
To ensure that both are visible to bhaktas at the same time, a huge mirror is placed in the rear in the sanctum sanctorum.

The Straddle is my favorite trade these days. But more often than not, one needs to adjust to make a good return from it. There are many ways to do this depending on your view, psychology and imagination. Will discuss a few that I use

The Straddle is a delta neutral strategy and it is important to keep deltas in check during the course of the Trade and not let them run away from you. Of course Volatility is the elephant in the room- but not going there as that will require a separate discussion

The first and most common method is to go 'inverted.' That is to say to shift the untested side to generate additional Premium and increase the runway to Breakeven. So if you start with a Straddle at 700 and price goes to 740, you can move the PE up to say 720.

How much should you move the untested side? While again this is a matter of skill, experience and artistry, the rule of thumb is to cut deltas by half. Remember, prices will move and you have to allow sufficient room for them to fluctuate

The second method is to shift the entire Straddle in the direction of the move. So if you have a 700 Straddle and Price goes to 740, you can shift the Straddle to 720. If you time this right, it can generally be done at virtually no cost or minimal cost.

DEVI KARUMARIAMMAN, THIRUVERKADU (TN)

Devi is worshipped here as both Swayambhu (self-manifested) and as Parashakti (with 4 arms holding skull,sword,trishul,udukkai/damru).

Here, Muruga got Vel from Devi to fight Suran. So the place was called Vel kadu which became Verkadu.

It is said that there was an anthill here long ago. Devi appeared in the dream of a devotee and asked him to build a shrine at that spot. When the anthill was removed, the swayambhu murti of Devi emerged. So Devi is called Karuvil Illadha Karumari ( not in the womb of mother).

Once, Devi went to Surya in the form of an old woman but Surya neglected her. Devi’s anger made Surya lose his brightness.
To appease her, Surya said that His rays would fall on Her directly twice in a year and touch her feet. Also, Sunday is celebrated as day of Devi Karumari.

There is also a wooden image of Devi (Marachilai Amman) here. Devotees offer locks to her in the belief that She would safe guard their houses.
Temple tank (Thiruchamber Poigai) is said to have been created by Subramanya. Taking dip in it is said to cure skin related disorders.

A thread on HN about bad code in legacy projects both makes me think how little we've learned as a discipline over the years and, honestly, how little credit we give ourselves for some pretty major

Fun going down this list and thinking: "Hmm, plausible at a well-run modern software shop", "Hmm, possible, but requires implausible tradeoffs", "Literally disallowed by languages", and "If you were to attempt doing that our test suite wouldn't let you merge."

I think we as an industry celebrate (not quite the right word) failure too much and don't celebrate success nearly enough. There is no DailyWTF for competent execution, word of which generally stays pretty local to the source while incompetence passes into legend.

Alrighty let me try to thread the needle on being the change I want to see in the world while not giving away anything that will get me in trouble:

Ruby has wonderful developer ergonomics. Typed languages are easier for machines to guarantee the correctness of. We built a type checker for Ruby (and I believe it is slated for OSS release sometime).

c.f.