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ORA-00979 not a group by expression
...ow as result with the first column 0 to fulfill the GROUP BY but there are now two values of bar to chose from. Which result would you expect - A or B? Or should the database return more than one row, violating the contract of GROUP BY?
...
Difference between modes a, a+, w, w+, and r+ in built-in open function?
...
I noticed that every now and then I need to Google fopen all over again, just to build a mental image of what the primary differences between the modes are. So, I thought a diagram will be faster to read next time. Maybe someone else will find th...
Get a list of all git commits, including the 'lost' ones
...eachable from any branches, and felt a bit dirty leaving them in the repo. Now the thought isn't quite as unsettling anymore. :)
– Emil Lundberg
Jan 27 '12 at 0:34
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Create a string of variable length, filled with a repeated character
... new repeat function built into String.prototype handles this now (ES6+)
– AlexMA
Oct 18 '16 at 18:05
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Multi flavor app based on multi flavor library in Android Gradle
... market2Compile project(path: ':lib', configuration: 'market2Release')
}
Now you can select the app flavor and Build Variants panel and the library will be selected accordingly and all build and run will be done based on the selected flavor.
If you have multiple app module based on the library An...
How to prevent ifelse() from turning Date objects into numeric objects
...<- "Date"
str(dates)
At first this felt a little "hackish" to me. But now I just think of it as a small price to pay for the performance returns that I get from ifelse(). Plus it's still a lot more concise than a loop.
...
Linux vi arrow keys broken in insert mode
...at moment on vi works fine with the arrow keys in insert mode. Edit: I see now this was already mentioned by Han below here.
– pizzamonster
Sep 11 '19 at 11:38
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SQL Server Script to create a new user
...dminName]
EXEC sp_addrolemember N'db_owner', N'NewAdminName'
END;
GO
Now, Logins are a bit more fluid than I make it seem above. For example, a Login account is automatically created (in most SQL Server installations) for the Windows Administrator account when the database is installed. In m...
What's a simple way to get a text input popup dialog box on an iPhone
... as, say, a UITableViewCell, but it should definitly do the trick as it is now standard supported in the iOS API. You will not need a private API for this.
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" ...
How can I properly handle 404 in ASP.NET MVC?
...class so you can easily invoke your custom 404 action and wire up HandleUnknownAction
404s in ASP.NET MVC need to be caught at a number of places. The first is HandleUnknownAction.
The InvokeHttp404 method creates a common place for re-routing to the ErrorController and our new Http404 action. Thi...