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psql: could not connect to server: No such file or directory (Mac OS X)
... used the following command to see if there were any PG processes running. for me there were none, I couldn't even start the PG server:
ps auxw | grep post
I searched for the file .s.PGSQL.5432 that was in the error message above. i used the following command:
sudo find / -name .s.PGSQL.5432 -ls
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What is the rationale behind having companion objects in Scala?
Is there a case where a companion object (singleton) for a class is needed? Why would I want to create a class, say Foo and also create a companion object for it?
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How to edit a JavaScript alert box title?
...e user what URL they were originating from; disallowing this customization forces JavaScript to tell the user it isn't a legitimate message.
– Hydrothermal
Jan 28 '15 at 0:57
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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
...helper class that was added later. In many cases it can eliminate the need for the temporary variable.
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How do I do an OR filter in a Django query?
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how could this be done programmatically? So, for example be able to have for f in filters: Item.objects.filter(Q(creator=f1) | Q(creator=f2) | ...)
– Alexis
Aug 10 '12 at 20:05
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Remove scrollbar from iframe
...and still shows up in Firefox. Doesn't show up in Chrome nor IE. Also, CSS for scrollbar gets applied effectively only in IE, not FF nor Chrome (latter show default looking beige color/shades).
– Faith In Unseen Things
Apr 10 '12 at 19:46
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How to call a method after bean initialization is complete?
...e ApplicationContext load up. Is it ok, if I use MethodInvokingFactoryBean for this? Or we have a some better solution?
6 A...
How to run a function when the page is loaded?
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@ᔕᖺᘎᕊ for the 'bubbles' property (which you do not have to include, I just fill in all booleans for good habit). There is also another boolean statement for 'cancelable' property, but it is not very useful since the above statement...
How to add an object to an array
How can I add an object to an array (in javascript or jquery)?
For example, what is the problem with this code?
13 Answ...
What is the zero for string?
...lt initialization. Each
element of such a value is set to the zero value for its type: false
for booleans, 0 for integers, 0.0 for floats, "" for strings, and nil
for pointers, functions, interfaces, slices, channels, and maps.
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