这个返回如下错误:"Cannot modify the return value of 'System.Collections.Generic.List<MyStruct>.this[int]' because it is not a variable" class Program { private struct MyStruct { private int myVar; public int MyProperty { get { return myVar; } set…
Win10,也重新装了免费版的Visual Studio 2013 y,写MFC程序时候发现这样的提示: error MSB8031: Building an MFC project for a non-Unicode character set is deprecated. You must change the project property to Unicode or download an additional library. 网上查找,原来是缺了MFC character set的…
参考:http://stackoverflow.com/questions/6611437/how-to-make-hibernate-not-drop-tables 我遇到的问题就是: List l = sess.createCriteria(News.class) .add( Restrictions.isNotEmpty("title")) .list(); 抛出异常,Exception in thread "main" org.hibernate.Mappi…
1. Auto property synthesis will not synthesize property 'title'; it will be implemented by its superclass, use @dynamic to acknowledge intention 这是说编译器自动给属性title合成getter和setter的时候将会在它的父类上实现,也就是说坑爹的xcode6.3升级后ios8.3版本的UIViewController里有一个title属性,现在它不…
Set_Item_Property is used to change an object's settings at run time. Note that in some cases you can get but not set certain object properties. The following are Syntax of Set_Item_property command:SET_ITEM_PROPERTY(item_id ITEM,property NUMBER,valu…
To change the scale of an element, CSS has the transform property, along with its scale() function. The following code example doubles the size of all the paragraph elements on the page: p { transform: scale(); } 练习题目: Increase the size of the elemen…
