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Q:When you iconify and restore a window, cpu is very high, and the window not to show.The cosole show error message like this:error 8: BadMatch (invalid paramter attributes) request 156 minor 6 serial 2325error 9: BadDrawable (invalid Pixmap or Window parmater) request 153 minor 4 serial 2326error 4 阅读全文
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Q:当前没有活动的视觉样式,因此与视觉样式相关的操作导致错误。Visual Styles-related operation resulted in an error because no visual style is currently active.A:If you use VisualStyleRenderer,please check Application.RenderWithVisualStyles,because may be OS disable Visual Styles.if (Application.RenderWithVisualStyles){ TODO.... 阅读全文
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Q:无法将类型“XXX”隐式转换为“XXX[]”orCannot implicitly convert type 'XXX' to 'XXX[]'只有当Release调试时才出现的,由于没有具体报错位置信息,搁置大半年一直没有解决,今天无意搜到解决方案,大喜,分享之。A:主要原因和引用WebService有关,搜索该关键字"XmlArrayItemAttribute",将typeof(XXX)改成typeof(XXX[]),OK。[via1][via2] 阅读全文
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s = SELECT t.* FROM tw = WHEREb = BETWEEN ANDl = LIKE '%%'o = ORDER BYinsw = IN (SELECT a FROM a WHERE a )sw = SELECT t.* FROM t WHERE tsc* = SELECT COUNT(*) FROM tst = SELECT t.* ,t.ROWID FROM tf = FOR UPDATEu = UPDATE t SET t. WHERE t1.将以上内容存为shortcuts.txt,复制到X:\Program Files\PLSQL Develop 阅读全文