My friend came to see that I just learned angular, and wanted to ask a very basic question.

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clipboard.png

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Why does the code written according to the document click on + to achieve the effect of NaNpx?

Mar.21,2021

size has no initial value
when using a component, give an input value
< / app-sizer > / / Input size

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1eacde1-210d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eacde1-210d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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