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...
IF_TR.H NOT FOUND 5.2.2 SO_ATTACH_FILTER UNDECLARED 5.2.3 PROTOCOL NOT CONFIGURED 5.2.4 BROADCAST 5.2.6 IP BOOTP AGENT 5.2.7 MULTIPLE INTERFACES 5.3 ATF 6 SUPPORT 6.1 HOW TO REPORT BUGS 7 HISTORY WHERE TO FIND DOCUMENTATION Documentation for this software includes this README file, the ...
arror C2065: 'Sunday' : undeclared identifier rror C2065 : ‘星期天’ : 未申报的标识符[translate] a多做听力练习 Makes the hearing practice [translate] a被其他同学撞倒了 Is knocked down by other schoolmates[translate] a 在英文文本文件中,ASCII字符集是最为常见的格式,而且在许多场合,它也是默认...
What's the difference between a variable that is: null, undefined or undeclared? How would you go about checking for any of these states? What is a closure, and how/why would you use one? Can you describe the main difference between a .forEach loop and a .map() loop and why you ...
typeof window.alert;// 'function' 显然,delete运算的结果应该是false...这个bug.至今存在!那么我们的结论就是.不要信任delete运算符 操作宿主对象的结果. 11.13.1 严格模式的赋值运算相关限制. 当进入严格模式时: 1.赋值运算符的左边,是一个未定义的变量标识符,则会导致一个无法解析的引用异常(也就是严格模式...
http://html5doctor.com/html5-custom-data-attributes/ https://www.w3.org/TR/html5/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributesConsider HTML5 as an open web platform. What are the building blocks of HTML5?
What's the difference between a variable that is: null, undefined or undeclared? How would you go about checking for any of these states? What is a closure, and how/why would you use one? Can you describe the main difference between a .forEach loop and a .map() loop and why you ...
http://html5doctor.com/html5-custom-data-attributes/ https://www.w3.org/TR/html5/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributesConsider HTML5 as an open web platform. What are the building blocks of HTML5?