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psql: could not connect to server: No such file or directory (Mac OS X)
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WARNING: If you delete postmaster.pid without making sure there are really no postgres processes running you, could permanently corrupt your database. (PostgreSQL should delete it automatically if the postmaster has exited.).
SOLUTION: This fixed the issue--I del...
How to reload a clojure file in REPL
...hat is the preferred way of reloading functions defined in a Clojure file without having to restart the REPL. Right now, in order to use the updated file I have to:
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Super-simple example of C# observer/observable with delegates
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The observer pattern is usually implemented with events.
Here's an example:
using System;
class Observable
{
public event EventHandler SomethingHappened;
public void DoSomething() =>
SomethingHappened?.Invoke(this, EventArgs.Empty);
}
class Obser...
What is the best JavaScript code to create an img element
I want to create a simple bit of JS code that creates an image element in the background and doesn't display anything. The image element will call a tracking URL (such as Omniture) and needs to be simple and robust and work in IE 6 =< only. Here is the code I have:
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WaitAll vs WhenAll
What is the difference between Task.WaitAll() and Task.WhenAll() from the Async CTP ?
Can you provide some sample code to illustrate the different use cases ?
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Max length for client ip address [duplicate]
...he maximum size for a database column storing client ip addresses? I have it set to 16 right now, but could I get an ip address that is longer than that with IPv6, etc?
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How do I use $rootScope in Angular to store variables?
...the root-scope are available to the controller scope via prototypical inheritance.
Here is a modified version of @Nitish's demo that shows the relationship a bit clearer:
http://jsfiddle.net/TmPk5/6/
Notice that the rootScope's variable is set when the module initializes, and then each of the inhe...
How can I add the new “Floating Action Button” between two widgets/layouts
I guess you have seen the new Android design guidelines, with the new "Floating Action Button" a.k.a "FAB"
10 Answers
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How to configure Fiddler to listen to localhost?
I want to monitor HTTP traffic between a process on my local machine and another (server) process, also running on my local machine.
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MySQL table is marked as crashed and last (automatic?) repair failed
...k all tables are ok but this one showing 'in use' and when I try to repair it doesn't proceed.
8 Answers
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