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PHP sprintf escaping %
I want the following output:-
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GROUP_CONCAT comma separator - MySQL
I have a query where I am using GROUP_CONCAT and a custom separator as my results may contain commas: '----'
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How to find which rspec test is taking so long
One (or a couple) of our tests are taking forever and we'd like to optimize them.
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Where do I mark a lambda expression async?
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To mark a lambda async, simply prepend async before its argument list:
// Add a command to delete the current Group
contextMenu.Commands.Add(new UICommand("Delete this Group", async (contextMenuCmd) =>
{
SQLiteUtils slu = new SQLiteUtils();
await slu.DeleteGroupAsync(grou...
Add swipe to delete UITableViewCell
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@lase You might want to take a peek at an app called Dash. It enables you to search documentation and it's a lot snappier than browsing the web. It's also stored locally on your computer, so you don't need web access to look stuff up. You can also load up documentation fo...
How do you rename a table in SQLite 3.0?
How do you rename a table in SQLite 3.0?
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MySQL how to join tables on two fields
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SELECT *
FROM t1
JOIN t2 USING (id, date)
perhaps you'll need to use INNEER JOIN or
where t2.id is not null
if you want results only matching both conditions
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How to remove origin from git repository
Basic question: How do I disassociate a git repo from the origin from which it was cloned?
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Is [CallerMemberName] slow compared to alternatives when implementing INotifyPropertyChanged?
There are good articles that suggest different ways for implementing INotifyPropertyChanged .
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How to drop multiple columns in postgresql
I want to drop 200 columns in my table in PostgreSQL. I tried:
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