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Select by partial string from a pandas DataFrame

...ns of which 2 contain string values. I was wondering if there was a way to select rows based on a partial string match against a particular column? ...
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How can I change IIS Express port for a site

... In Solution Explorer, right-click the name of the application and then select Properties. Click the Web tab. In the Servers section, under Use Local IIS Web server, in the Project URL box change the port number. To the right of the Project URL box, click Create Virtual Directory, and then ...
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How to check date of last change in stored procedure or function in SQL server

... SELECT name, create_date, modify_date FROM sys.objects WHERE type = 'P' ORDER BY modify_date DESC The type for a function is FN rather than P for procedure. Or you can filter on the name column. ...
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How can I list all foreign keys referencing a given table in SQL Server?

...get around this by creating a table, store the result into the table, then select the specific columns. Check out this link for an example :). – John Odom Apr 28 '15 at 19:04 3 ...
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Parameterize an SQL IN clause

... Here's a quick-and-dirty technique I have used: SELECT * FROM Tags WHERE '|ruby|rails|scruffy|rubyonrails|' LIKE '%|' + Name + '|%' So here's the C# code: string[] tags = new string[] { "ruby", "rails", "scruffy", "rubyonrails" }; const string cmdText = "select * from t...
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Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?

... {2}", clause, appender, condition); } Use it like this string query = "SELECT * FROM Table1 {0}"; string whereClause = string.Empty; if (condition 1) whereClause = AddCondition(whereClause, "AND", "Col=1"); if (condition 2) whereClause = AddCondition(whereClause, "AND", "Col2=2"); str...
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The current branch is not configured for pull No value for key branch.master.merge found in configur

... To fix this problem in Eclipse, open the Windows menu and select Show View / Other / Git Repositories. From the Git Repositories tab: expand your local repository right click on Remote click on Create Remote... Remote name = origin next to IRI press the Change button CTRL+SPACE o...
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Only read selected columns

...from the data.table-package: You can specify the desired columns with the select parameter from fread from the data.table package. You can specify the columns with a vector of column names or column numbers. For the example dataset: library(data.table) dat <- fread("data.txt", select = c("Year...
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Fetch the row which has the Max value for a column

... multiple rows for the userid where the maximum date is on multiple rows. select userid, my_date, ... from ( select userid, my_date, ... max(my_date) over (partition by userid) max_my_date from users ) where my_date = max_my_date "Analytic functions rock" Edi...
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?

...at the question asked for, even letting you specify the delimiter string: SELECT company_id, string_agg(employee, ', ') FROM mytable GROUP BY company_id; Postgres 9.0 also added the ability to specify an ORDER BY clause in any aggregate expression; otherwise, the order is undefined. So you can no...