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This is a series of programming challenges for beginners and experienced Caché programmers.

For an introduction : goto to article https://community.intersystems.com/post/advent-code-2016-day1-no-time-ta...

Today's challenge on http://adventofcode.com/2016/day/7 is about checking for valid IPv7 addresses with TLS support. (No, it has nothing to do with real ip addresses which are at most ipV6 or real TLS, but just a way to keep you busy coding & hacking!)

The imaginary ipV7 addresses support TLS if they contain an ABBA sequence outside square brackets and no ABBA sequence inside brackets. (ABBA : any 4 character sequence where the first pair are 2 different characters followed by the reverse of that pair).

For example

Last comment 7 November 2017
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This is a series of programming challenges for beginners and experienced Caché programmers.

For an introduction : goto to article https://community.intersystems.com/post/advent-code-2016-day1-no-time-ta... or look at the http://adventofcode.com/ website.

 

In today's challenge, you have to find out how many 'valid' triangles you find on the walls of the Easter Bunny HQ.
(you can find the input on the adventofcode website : http://adventofcode.com/2016/day/3/input)

A sample of the input looks like this :

  810  679   10
  783  255  616
  545  626  626
   84  910  149
  607  425  901
  556  616  883
  938  900  621

A valid triangle is a set of three side lengths where the sum of any two sides is larger than the remaining side

Last comment 3 November 2017
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Advent of Code is a series of programming challenges for beginners and experienced Caché programmers.

For an introduction : look  at article https://community.intersystems.com/post/advent-code-2016-day1-no-time-ta...

In this challenge, you need to find a password using instructions to move on a keypad.
Instructions can be U(p), D(own), L(eft) and R(ight).

You start at button 5 on a keypad like

1 2 3
4 5 6
7 8 9

each line of instructions lead to one digit of the password.
Full description can be found at http://adventofcode.com/2016/day/2

For example : ULL leads to '1' (a move outside the keypad can be ignored

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Advent of Code is a series of 25 small programming challenges, it's an ideal way for beginners to start learning a computer language, and for advanced people to sharpen their programming skills.

There are small and bigger puzzles, which you can solve typically in half an hour to a few hours. (Looking at the leaderboard, the top aces can do them in less than 10 minutes.)

Advent of Code is created by Eric Wastl, you can find all info on https://adventofcode.com/.

To help you get trained for this year's challenges which start at December 1st, we* will try to solve and comment the puzzles from 2016. (we = Bert Sarens and myself)

Each day, you get two puzzles, where the second one is usually a slight variation on the first one, which shows you how your code will cope with requirement changes or other input (in some cases by having to completely rewriting your code !)

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Hi, Community!

Last weekend we held the Final of InterSystems Contest on InterSystems Caché and DeepSee as a part of IT Planet Student Championship in Sochi. BTW, this year we had about 2 000 participants in InterSystems Contest.

One of the tasks for the finals was to solve the following  with Caché ObjectScript and use the minimum code. 

Problem description

Write a method that would return the string 9876543210, however cls code should not contain numbers 0-9.

The goal is to write the shortest method.

Here's a method signature (it can't be modified)

Last answer 8 June 2017 Last comment 8 June 2017
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Hi, Community!

The Second Global Summit Free Registration Contest is running and we have only one week to celebrate new winner!

Here is current leaderboard amongst non-InterSystems DC Members after a half of the race:

 

(If you want to see contribution from InterSystems employees just set the filter value in the Deepsee dashboard)

John Murray contributed more than others last week.  John is a leader, but he did the result only for one week! 

There is one week more and so everyone can be a winner!

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Hi, Community!

There are only six days left to win InterSystems Developer Community MVP prize.

As it was announced in addition to Free Registration on InterSystems Global Summit winner gets 4 nights stay in the Arizona Baltimore, Waldorf Astoria Resort.

We measure contribution to Developer Community on valuable posts and comments and prepared special leaderboard built on InterSystems DeepSee.

By default, it shows all the members. We added the filter to the dashboard to show leaderboard without members who are InterSystems employees.

So here is current leaderboard without InterSystems members:

  

Last comment 24 February 2016
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