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What rules does Pandas use to generate a view vs a copy?
I'm confused about the rules Pandas uses when deciding that a selection from a dataframe is a copy of the original dataframe, or a view on the original.
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How to use ? : if statements with Razor and inline code blocks
... should work:
<span class="vote-up@(puzzle.UserVote == VoteType.Up ? "-selected" : "")">Vote Up</span>
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Bulk package updates using Conda
Is there a way (using conda update) that I can list outdated packages and select or bulk update (compatible) packages in Anaconda?
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Is there StartsWith or Contains in t sql with variables?
... Edition%'
Example:
DECLARE @edition varchar(50);
set @edition = cast((select SERVERPROPERTY ('edition')) as varchar)
DECLARE @isExpress bit
if @edition like 'Express Edition%'
set @isExpress = 1;
else
set @isExpress = 0;
print @isExpress
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What is the difference between a schema and a table and a database?
...chema (tables he/she owns) however user can also see any schemas they have select priviliedges on. So a database can consist of hundreds of schemas, and each schema hundreds of tables. You can have tables with the same name in different schemas, which are in the same database.
A Table is a table, ...
How to detect READ_COMMITTED_SNAPSHOT is enabled?
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SELECT is_read_committed_snapshot_on FROM sys.databases
WHERE name= 'YourDatabase'
Return value:
1: READ_COMMITTED_SNAPSHOT option is ON. Read operations under the READ COMMITTED isolation level are based on snapshot s...
Finding the author of a line of code in Mercurial
...<filename>
Or by finding the file in the log, rightclicking it and selecting "Annotate file"
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How to replace list item in best way
...a", "b");
// {"b", "b", "c", "d"};
var intEnum = intArray.Select(x => x);
intEnum = intEnum.Replace(0, 1);
// {0, 0, 1, 2, 3, 4} => {1, 1, 1, 2, 3, 4}
No code duplication
There is no need to type long linq expressions
There is no need for additional usings
T...
Alter Table Add Column Syntax
...order). Also, if there is data in the Employees table, it has to do insert select * so it can calculate the EmployeeID.
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Entity Framework - Add Navigation Property Manually
...also make sure that you get your Primary Key definition right (right click select related fields, mark them as EntityKey in the properties). Otherwise you might get 'Multiplicity is not valid in Role in relationship Because the Dependent Role refers to the key properties...'
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