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Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF

...tionId that is an identity column. You can turn on identity insert on the table like this so that you can specify your own identity values. SET IDENTITY_INSERT Table1 ON INSERT INTO Table1 /*Note the column list is REQUIRED here, not optional*/ (OperationID, OpDescription...
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How can I use mySQL replace() to replace strings in multiple records?

... At a very generic level UPDATE MyTable SET StringColumn = REPLACE (StringColumn, 'SearchForThis', 'ReplaceWithThis') WHERE SomeOtherColumn LIKE '%PATTERN%' In your case you say these were escaped but since you don't specify how they were escaped, let's s...
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How to remove convexity defects in a Sudoku square?

... := ComponentMeasurements[Image[l], "Centroid"][[1, 2]] gridCenters = Table[centerOfGravity[ ImageData[Dilation[Image[h], DiskMatrix[2]]]* ImageData[Dilation[Image[v], DiskMatrix[2]]]], {h, horizontalGridLineMasks}, {v, verticalGridLineMasks}]; The last step is to define two i...
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How to get current date & time in MySQL?

...ccepted answers, I think this way is also possible: Create your 'servers' table as following : CREATE TABLE `servers` ( id int(11) NOT NULL PRIMARY KEY auto_increment, server_name varchar(45) NOT NULL, online_status varchar(45) NOT NULL, _exchange varchar(45) NOT NULL, ...
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How do I get the row count of a pandas DataFrame?

...use the .shape property or just len(DataFrame.index). However, there are notable performance differences ( len(DataFrame.index) is fastest). Code to reproduce the plot: import numpy as np import pandas as pd import perfplot perfplot.save( "out.png", setup=lambda n: pd.DataFrame(np.arange...
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How to restore to a different database in sql server?

...M, COPY_ONLY, FORMAT, INIT, STATS = 100; -- Get the backup file list as a table variable DECLARE @BackupFiles TABLE(LogicalName nvarchar(128),PhysicalName nvarchar(260),Type char(1),FileGroupName nvarchar(128),Size numeric(20,0),MaxSize numeric(20,0),FileId tinyint,CreateLSN numeric(25,0),DropLSN n...
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How are people managing authentication in Go? [closed]

...rmatted): "I would suggest something like the following design: create table User ( ID int primary key identity(1,1), Username text, FullName text, PasswordHash text, PasswordSalt text, IsDisabled bool ) create table UserSession ( SessionKey text primary key, UserID int not null, -- Cou...
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How to see full query from SHOW PROCESSLIST

...ck on the "Full texts" option ("← T →" on top left corner of a results table) to see untruncated results. share | improve this answer | follow | ...
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How do you convert a byte array to a hexadecimal string, and vice versa?

...) Text: 718,380.63 (1.0X faster) Sentence: 39.71 (1.0X faster) Lookup tables have taken the lead over byte manipulation. Basically, there is some form of precomputing what any given nibble or byte will be in hex. Then, as you rip through the data, you simply look up the next portion to see what...
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How can I insert values into a table, using a subquery with more than one result?

... If you are inserting one record into your table, you can do INSERT INTO yourTable VALUES(value1, value2) But since you want to insert more than one record, you can use a SELECT FROM in your SQL statement. so you will want to do this: INSERT INTO prices (group,...