DDoogal Simpson·12h agoA Day Isn't 24 Hours: Fixing Date Math & DST BugsA calendar day isn't always 24 hours. Learn why duration math breaks during Daylight Saving Time and how to write resilient calendar arithmetic in your code.5 min read·doogal.dev1
Aakram·14h agoChoosing a Software Development Company in Stoke-on-TrentIf you are looking for a Software Development Company in Stoke-on-Trent, choose a partner that can translate business goals into a clear delivery plan, not just a stack of technologies. The right team12 min read·esparksit.hashnode.dev44SAS
DDoogal Simpson·1d agoWhy SQL UNIQUE Constraints Allow Duplicate NULLsUnderstand why SQL unique constraints permit duplicate NULLs, the impact on composite keys, and how to use NULLS NOT DISTINCT in PostgreSQL.5 min read·doogal.dev43DOS
Aakram·2d agoChoosing a Sprint Retrospective Tool for Remote TeamsA Sprint Retrospective Tool for Remote Teams is software that helps distributed delivery teams reflect on a sprint, surface issues safely, agree improvements and track actions to completion. The right13 min read·esparksit.hashnode.dev44ASS
DDoogal Simpson·4d agoWhy Uppercasing a String Can Change Its LengthConverting strings to uppercase can change their length. Learn why characters like the German ß expand to SS and how this Unicode behavior breaks assumptions.4 min read·doogal.dev21S
DDoogal Simpson·5d agoFloat to Int Conversion: Why Large Numbers BreakCasting large floats to ints behaves unpredictably across languages. See how Java, JavaScript, C, and Python handle overflow—and how to cast safely.5 min read·doogal.dev2SO
DDoogal Simpson·6d agoWhy Python Rounds 2.5 to 2: Banker's Rounding ExplainedUnderstand why Python's round(2.5) evaluates to 2, how banker's rounding eliminates statistical bias, and how to implement traditional round-half-up logic.4 min read·doogal.dev24SOS
DDoogal Simpson·6d agoJava Integer Overflow: Calculating Milliseconds in a MonthUnderstand why calculating milliseconds in a month causes integer overflow in Java, why assigning to long fails, and how to fix silent arithmetic bugs.4 min read·doogal.dev
CCheckNumber·6d agoThe Identity Resolution Paradox: Handling Shared Phone Numbers in CRM ArchitecturesMerging contacts based on a shared phone number often destroys critical relationship metadata; developers should implement a 'household' or 'entity' abstraction layer instead of destructive deduplication.6 min read·checknumberofficial.hashnode.dev
DDoogal Simpson·Nov 3Adding a Month to Jan 31: Clamping vs Date OverflowLearn why adding one month to Jan 31 yields Feb 28 in Java but March 3 in JavaScript, and how to avoid silent date overflow bugs in recurring billing.4 min read·doogal.dev11S
