python报错:pymysql.err.IntegrityError: (1062, "Duplicate entry '1' for key 'PRIMARY'") 1.报错截图: 2.错误原因:数据库表里有数据 因为我开始在数据库的表里写了几条数据,后面发现数据太多了,就不想写了。想把excel表里的数据导进去,但是写了的那几条数据没删,就报错了。 3.解决方法:把数据库表里...
1 row in set (0.00 sec) 我们看到Key那一栏,可能会有4种值,即'啥也没有','PRI','UNI','MUL' 1. 如果Key是空的, 那么该列值的可以重复,表示该列没有索引, 或者是一个非唯一的复合索引的非前导列 2. 如果Key是PRI, 那么该列是主键的组成部分 3. 如果Key是UNI, 那么该列是一个唯一值索引的第...
Retrieves a list that contains the IDs of configuration keys that are in effect for the control. C# 複製 public override Microsoft.Dynamics.Ax.Xpp.List configurationKeyEx(); Returns List A list that contains the IDs of configuration keys that are in effect for the control. Remarks The re...
If the object was created in Microsoft Excel, this property returns the string XCEL, which is equivalent to the hexadecimal number 5843454C. The Creator property is designed to be used in Microsoft Excel for the Macintosh, where each application has a four-character creator code. For example, ...
yes, the f3 key can be used in microsoft office applications like word, excel and powerpoint to perform various tasks such as opening the "insert function" dialog box, pasting text or formatting, and searching for specific words or phrases. however, the specific functions associated with each ...
Is there a repeat function shortcut in Numbers? For instance, if I insert a row and then want to move down a couple of rows and insert another, is there a shortcut key? Or do you have to use the mouse and table menu? In Excel the shortcut is F4. It repeats the last ...
In Figure 12.11, we see that all columns are selected for insert; however, we do not need one for CT_ID because the identity field generates that. Uncheck that option and rename the proc AdminAddCustomer. Select Edit SQL. Let's look at the code generated by this; it's shown in Figur...
5.Save and Close VBA Editor: Close the VBA editor and return to your Excel workbook. Enable Developer Tab: If you haven't already, enable the Developer tab in Excel. You can do this by going to File > Options > Customize Ribbon, then checking the box for \"Developer\" in the right...
asking for an example code for x-y plotting in visual studio using c# ASP.NET C# - Microsoft Excel cannot open or save any more documents because there is not enough available memory or disk space. • Assembly file version, just Major and Minor Assembly generation failed: Referenced assembly...
XlInsertFormatOrigin XlInsertShiftDirection XlLayoutFormType XlLayoutRowType XlLegendPosition XlLineStyle XlLink XlLinkInfo XlLinkInfoType XlLinkStatus XlLinkType XlListConflict XlListDataType XlListObjectSourceType XlLocationInTable XlLookAt XlLookFor XlMailSystem XlMarkerStyle XlMeasurementUnits XlModelCha...