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How do I repeat an edit on multiple lines in Vim?
...al block by using
" allow the . to execute once for each line of a visual selection
vnoremap . :normal .<CR>
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How can I easily convert DataReader to List? [duplicate]
... writing an extension method for this:
public static IEnumerable<T> Select<T>(this IDataReader reader,
Func<IDataReader, T> projection)
{
while (reader.Read())
{
yield return projection(reader);
}
}
You can then use LINQ...
Import CSV file into SQL Server
...e using SQL Server Management Studio
• Right click on your database and select Tasks -> Import Data...
• Click the Next > button
• For the Data Source, select Flat File Source. Then use the Browse button to select the CSV file. Spend some time configuring how you want the data to be...
How to create a sequence of integers in C#?
...
Linq projection with the rarely used indexer overload (i):
(new int[11]).Select((o,i) => i)
I prefer this method for its flexibilty.
For example, if I want evens:
(new int[11]).Select((item,i) => i*2)
Or if I want 5 minute increments of an hour:
(new int[12]).Select((item,i) => i*5...
How to make ReSharper re-evaluate its assembly reference highlighting
... unload the project, right-click the project in the solution explorer, and select Unload Project. Then, right-click the project again and select Reload Project.
The issue continues to occur occasionally with the latest versions of ReSharper, but the fix seems to work for every version.
...
Manually map column names with class properties
...
This works fine:
var sql = @"select top 1 person_id PersonId, first_name FirstName, last_name LastName from Person";
using (var conn = ConnectionFactory.GetConnection())
{
var person = conn.Query<Person>(sql).ToList();
return person;
}
Da...
How to modify a pull request on GitHub to change target branch to merge into?
...e new pull request in their dashboard the next time they sign in.
If you select as a base branch the one that the original maintainer (the owner) wants, your PR should merge from your branch (unchanged) to the new base branch.
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How to delete a workspace in Eclipse?
...Mac OS, once you have deleted the actual workspace directory the option to select and switch to that workspace will still be available unless you delete the entry from Preferences >> General >> Startup and Shutdown >> Workspaces.
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What is the difference between String.slice and String.substring?
...te #3:slice()==substring()
Using Negative Numbers as an Argument:
slice() selects characters starting from the end of the string
substr()selects characters starting from the end of the string
substring() Doesn't Perform
Note #3:slice()==substr()
if the First Argument is Greater than the Second:
sl...
Add 2 hours to current time in MySQL?
...
SELECT *
FROM courses
WHERE DATE_ADD(NOW(), INTERVAL 2 HOUR) > start_time
See Date and Time Functions for other date/time manipulation.
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