在Qt框架中,tr()函数是一个用于国际化和本地化的函数,它用于标记需要翻译的字符串。当遇到错误“use of undeclared identifier 'tr'”时,通常意味着编译器没有识别出tr()函数。以下是一些可能的解决步骤: 确认'tr'函数的使用上下文: 确保你正在使用Qt框架,并且tr()函数的使用场景是正确的。tr()通常用于将硬...
-Warc-maybe-repeated-use-of-weak "weak %select{variable|property|implicit property|instance variable}0 %1 may be accessed multiple times in this %select{function|method|block|lambda}2 and may be unpredictably set to nil assign to a strong variable to keep the object alive -Warc-non-pod-mema...
这里比较有意思的是，客户端连接到服务器->客户端(tcpClient)触发startTransfer槽函数->调用...
-Warc-maybe-repeated-use-of-weak "weak %select{variable|property|implicit property|instance variable}0 %1 may be accessed multiple times in this %select{function|method|block|lambda}2 and may be unpredictably set to nil assign to a strong variable to keep the object alive -Warc-non-pod-mema...