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Delete/Reset all entries in Core Data?
...ly.
The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way is if you want to delete some entities and not others. However you still need to make sure you retain referential integrity or you won't be able to persist your changes.
Ju...
Possible reasons for timeout when trying to access EC2 instance
...SSH into my instance - Operation timed out. What could be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst
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Apply .gitignore on an existing repository already tracking large number of files
...ject in my repository. I recently added a .gitignore file under my project and I assume that tells Git to ignore the files listed in the file.
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XDocument or XmlDocument
I am now learning XmlDocument but I've just ran into XDocument and when I try to search the difference or benefits of them I can't find something useful, could you please tell me why you would use one over another ?
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ViewController respondsToSelector: message sent to deallocated instance (CRASH)
Ok, here is the deal, I hate putting out questions about my debugging and crashes. Because I usually handle them myself, but I just cannot get my way around this, even after viewing multiple questions already .
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puts vs logger in rails rake tasks
In a rake task if I use puts command then I see the output on console. However I will not see that message in log file when app is deployed on production.
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How to specify the private SSH-key to use when executing shell command on Git?
... want to specify a private SSH-key to use when executing a shell (git) command from the local computer.
29 Answers
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How to create a file in memory for user to download, but not through server?
Is there any way I can create a text file on the client side and prompt the user to download it, without any interaction with the server?
I know I can't write directly to their machine (security and all), but can I create and prompt them to save it?
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Easy way to dismiss keyboard?
...ve quite a few controls scattered throughout many table cells in my table, and I was wondering if there's an easier way to dismiss the keyboard without having to loop through all my controls and resigning them all as the first responder. I guess the question is.. How would I get the current first re...
problem with and :after with CSS in WebKit
...n a select box with the pseudo :after (to style my select box with 2 parts and without images). Here's the HTML:
9 Answers
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