Many of us heard about JWT and while JWT has become a buzzword in tech circles, it's frequently misunderstood or confused with OAuth 2.0 and OIDC, particularly among those who use it without fully grasping ...Read more
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HTML is primarily used to define the structure of the web page While Cascaded style sheets (CSS) are a language that is used for the presentation of HTML Pages. Using CSS in HTML, we can change ...Read more
What is Feature Toggle Imagine you are building a new feature for your Java application. You want to test the feature with a small ...Read more
Venturing into Android app development is akin to stepping into a vast garden of opportunities where creativity meets technology. With Android's expansive reach across the globe, crafting apps that capture users' hearts requires a blend ...Read more
Technology has taken the whole world by storm, and it has transformed every sector of the industry. The same applies to the case of auctions where there’s a shift from traditional in-person auctioning to e-auctioning. ...Read more
新版本在UAT階段採到這個坑,藉此機會紀錄一下。 Issue 後端API升級至.net 8,相關dependency也一併做升級來相容,因次這次也將EFCore升級到8。 發現在升級的git branch上載入特定模組會回500 error。實際trace後發現是程式寫法會將EFCore query回的結果依照索引來產生dictionary,在產生dictionary時遇到duplicate key的excpetion。 分析 這裡假設table: test中有欄位A並為Primary key。其中有兩筆資料其A的value分別為”Scott”與”SCOTT”。 以資料邏輯來說是絕對不會產生這種exception。EFCore做mapping使用的肯定是DB table內的Primary ...Read more