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How to make a valid Windows filename from an arbitrary string?
...: Bar" that I want to use as a filename, but on Windows the ":" char isn't allowed in a filename.
14 Answers
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MySQL, Check if a column exists in a table with SQL
...pecific column, and if not — create it. Otherwise do nothing. This is really an easy procedure in any enterprise-class database, yet MySQL seems to be an exception.
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Loop backwards using indices in Python?
... This is better than the accepted answer since it doesn't actually allocate all the numbers in memory (in Python 3 the accepted answer wouldn't either), plus it's more obvious what is happening.
– Blixt
Mar 23 '12 at 13:52
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Handling Dialogs in WPF with MVVM
... of asyncronous messaging. The solution is simple: call a separate dialog service (i.e., IDialogService) of your design. The interface has methods and events for callbacks.
– Chris Bordeman
Mar 21 '15 at 7:50
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Transaction isolation levels relation with locks on table
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Draw text in OpenGL ES
I'm currently developing a small OpenGL game for the Android platform and I wonder if there's an easy way to render text on top of the rendered frame (like a HUD with the player´s score etc). The text would need to use a custom font also.
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How to [recursively] Zip a directory in PHP?
...ce), file_get_contents($source));
}
return $zip->close();
}
Call it like this:
Zip('/folder/to/compress/', './compressed.zip');
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UITableViewCell, show delete button on swipe
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During startup in (-viewDidLoad or in storyboard) do:
self.tableView.allowsMultipleSelectionDuringEditing = NO;
Override to support conditional editing of the table view. This only needs to be implemented if you are going to be returning NO for some items. By default, all items are editable....
How to create a new java.io.File in memory?
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data.table vs dplyr: can one do something well the other can't or does poorly?
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@bluefeet: I don't think you did the rest of us any great service by moving that discussion to chat. I was under the impression that Arun was one of the developers and this might have resulted in useful insights.
– IRTFM
Jan 5 '15 at 21:20
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