Yii2-日期選擇器擴展未安裝

Question

在composer.json中，我在要求部分輸入了"nex/yii2-datepicker" : "*"，並且最小穩定性是穩定的。現在，我跑作曲家更新，則顯示FOLL錯誤

Loading composer repositories with package information 
Updating dependencies (including require-dev) 
Content-Length mismatch 
http://packagist.org could not be fully loaded, package information was loaded from the local cache and may be out of date 

Your requirements could not be resolved to an installable set of packages. 

問題1 - 請求包NEX/yii2，日期選擇器*是NEX/yii2，日期選擇器[DEV-MASTER]但是你的要求，這些衝突可滿足或最小穩定性

Answer 1

在composer.json替換

"minimum-stability": "stable",

到

"minimum-stability": "dev", 
"prefer-stable": true,