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Prevent JavaScript `new Date()` off-by-one date errors caused by UTC parsing by using explicit components.
Pavel Kostromin
Pavel Kostromin
Pavel Kostromin
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Nov 13
Prevent JavaScript `new Date()` off-by-one date errors caused by UTC parsing by using explicit components.
#
javascript
#
parsing
#
dates
#
utc
1
 reaction
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11 min read
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The holiday list is free. The date math is the product.
DSP
DSP
DSP
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Nov 10
The holiday list is free. The date math is the product.
#
api
#
python
#
fastapi
#
dates
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5 min read
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February 29 Needs a Policy Parameter, Not a Hidden Exception
FUG
FUG
FUG
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Oct 17
February 29 Needs a Policy Parameter, Not a Hidden Exception
#
python
#
dates
#
testing
#
programming
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4 min read
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Date Differences Without Traps: Calendar Days, UTC, Midnight, and DST
FUG
FUG
FUG
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Oct 14
Date Differences Without Traps: Calendar Days, UTC, Midnight, and DST
#
javascript
#
dates
#
timezone
#
webdev
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5 min read
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My XLSX converter shipped dates as five-digit numbers — Excel stores dates as serials, not values
InApp
InApp
InApp
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Oct 12
My XLSX converter shipped dates as five-digit numbers — Excel stores dates as serials, not values
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xlsx
#
dates
#
spreadsheets
#
ai
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2 min read
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Your Trade Is on the Wrong Day: It’s a Type Error, Not a Timezone Bug
vladimir ivanov
vladimir ivanov
vladimir ivanov
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Oct 25
Your Trade Is on the Wrong Day: It’s a Type Error, Not a Timezone Bug
#
javascript
#
dates
#
finance
#
debugging
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3
 comments
6 min read
Moderation
My XLSX converter shipped a due date as 45852 — Excel dates are serial numbers, not strings
InApp
InApp
InApp
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Oct 4
My XLSX converter shipped a due date as 45852 — Excel dates are serial numbers, not strings
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xlsx
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spreadsheets
#
dates
#
ai
1
 reaction
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2 min read
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