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Impossible to Install PG gem on my mac with Mavericks
I'm trying to install the pg gem in order to work again with my rails projects. But I get this error:
26 Answers
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Visual Studio Solutions Folder as real Folders
...orst things about VS. Why don't MS keep Sln folders as an option, but ALSO allow REAL folders to be added to the solution. So annoying. The File System works, why reinvent the wheel (as a square).
– MemeDeveloper
Jul 24 at 13:55
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What does numpy.random.seed(0) do?
... I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this.
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Docker can't connect to docker daemon
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Linux
The Post-installation steps for Linux documentation reveals the following steps:
Create the docker group.
sudo groupadd docker
Add the user to the docker group.
sudo usermod -aG docker $(whoami)
Log out and log back in to ensure docker ...
Calling closure assigned to object property directly
...sn't work on a StdClass.
Before PHP7, you'd have to implement the magic __call method to intercept the call and invoke the callback (which is not possible for StdClass of course, because you cannot add the __call method)
class Foo
{
public function __call($method, $args)
{
if(is_...
Using Python's os.path, how do I go up one directory?
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os.path.abspath(os.path.join(os.path.dirname( __file__ ), '..', 'templates'))
As far as where the templates folder should go, I don't know since Django 1.4 just came out and I haven't looked at it yet. You should probably ask another question on SE to solve that issue....
What is aspect-oriented programming?
.... People seem to talk about aspect-oriented programming, but I've never really learned what it is or how to use it. What is the basic paradigm?
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Ruby: Calling class method from instance
In Ruby, how do you call a class method from one of that class's instances? Say I have
9 Answers
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Performance of Java matrix math libraries? [closed]
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Using Jama with Java, the time taken was 50 seconds.
Using Colt and Parallel Colt with Java, the time taken was 150 seconds!
Using JBLAS with Java, the time taken was again around 4 seconds as JBLAS uses multithreaded ATLAS.
So for me it was clear that the Java libraries didn't perform too wel...
How do I fix PyDev “Undefined variable from import” errors?
...ncing the same issue with latest Eclipse and PyDev. I can navigate between all modules, so why code-analysis can't do the same?
– Adam
Sep 3 '14 at 11:41
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