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How to stop creating .DS_Store on Mac? [closed]
I'm developing sites on mac and every time I create some folder (or file in that folder) .DS_Store is created in that folder.
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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
...estion no longer applies. The following answer applied to beta 2:
It's for performance reasons. Basically, they try to avoid copying arrays as long as they can (and claim "C-like performance"). To quote the language book:
For arrays, copying only takes place when you perform an action that ha...
Is it good style to explicitly return in Ruby?
... "Pythonic" way) when it comes to style, I'm wondering if the same exists for Ruby. I've been using my own style guidelines but I'm thinking about releasing my source code, and I'd like it to adhere to any unwritten rules that might exist.
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Set time to 00:00:00
I have a problem resetting hours in Java. For a given date I want to set the hours to 00:00:00.
12 Answers
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Checking if a list is empty with LINQ
...merable<T> source)
{
if (source == null)
return true; // or throw an exception
return !source.Any();
}
Edit: Note that simply using the .Count method will be fast if the underlying source actually has a fast Count property. A valid optimization above would be to detect a few ...
Convert NSURL to local file path
...ReplacingPercentEscapesUsingEncoding: method. If the receiver does not conform to RFC 1808, returns nil.
If this URL object contains a file URL (as determined with isFileURL), the return value of this method is suitable for input into methods of NSFileManager or NSPathUtilities. If the path has...
Concept of void pointer in C programming
...oid indicates the absence of type, it is not something you can dereference or assign to.
is there is any way of generalizing a function which can receive pointer and store it in void pointer and by using that void pointer we can make a generalized function..
You cannot just dereference it in a...
Calculating Pearson correlation and significance in Python
I am looking for a function that takes as input two lists, and returns the Pearson correlation , and the significance of the correlation.
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Change the current directory from a Bash script
Is it possible to change current directory from a script?
15 Answers
15
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psql: FATAL: Ident authentication failed for user “postgres”
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This doesn't work for me. I've spent hours on it! All I want to do is run psql commands in my terminal. What do I need to make the file look like to do this??
– Sean
Aug 8 '11 at 13:00
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