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Hirantha Sandaruwan Lakshan

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Joined Joined on  Personal website https://hirantha.me
Modelling missing data: Sri Lanka's Grade 5 cut-off marks as typed tables
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Modelling missing data: Sri Lanka's Grade 5 cut-off marks as typed tables

#typescript #opendata #datastructures #webdev
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6 min read
What a Z-score really is, and why you can't compute Sri Lanka's A/L one from marks alone
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What a Z-score really is, and why you can't compute Sri Lanka's A/L one from marks alone

#math #typescript #datascience #opendata
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6 min read
Modelling missing values in a 6,500-cell table: Sri Lanka's university cut-offs
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Modelling missing values in a 6,500-cell table: Sri Lanka's university cut-offs

#javascript #typescript #opendata #datastructures
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6 min read
How 50 pre-signed EIP-7702 authorizations emptied a Binance hot wallet in under four minutes
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How 50 pre-signed EIP-7702 authorizations emptied a Binance hot wallet in under four minutes

#security #ethereum #blockchain #javascript
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6 min read
Sri Lankan public holidays and Poya days as open data, and two date bugs to avoid
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Sri Lankan public holidays and Poya days as open data, and two date bugs to avoid

#opendata #javascript #webdev #tutorial
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4 min read
Turning Sri Lanka's expressway toll gazette into a lookup table
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Turning Sri Lanka's expressway toll gazette into a lookup table

#javascript #datastructures #testing #opendata
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4 min read
Why Sinhala copied from a Sri Lankan gazette looks like "Y%S ,xld" (and how to turn it into Unicode)
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Why Sinhala copied from a Sri Lankan gazette looks like "Y%S ,xld" (and how to turn it into Unicode)

#javascript #unicode #i18n #webdev
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4 min read
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