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Error during installing HAXM, VT-X not working
I am an entry-level Android software developer. I recently heard about HAXM that support emulator in rendering graphics more smoothly. I downloaded appropriate file HAXM file for Windows 7 64 bit, unpacked and started installing. However, during the installation process I get this error:
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Postgres - FATAL: database files are incompatible with server
After restarting my MacBook Pro I am unable to start the database server:
6 Answers
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Dump a NumPy array into a csv file
...port numpy
a = numpy.asarray([ [1,2,3], [4,5,6], [7,8,9] ])
numpy.savetxt("foo.csv", a, delimiter=",")
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Check if directory mounted with bash
... case, you should be able to use the -q option, like this:
mountpoint -q /foo/bar || mount -o bind /some/directory/here /foo/bar
Hope that helps.
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What is lazy loading in Hibernate?
What is lazy loading in Java? I don't understand the process. Can anybody help me to understand the process of lazy loading?
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How to set Java environment path in Ubuntu
I just installed JDK in Ubuntu with sudo apt-get install openjdk-6-jdk command,
after the installation where's the Java bin directory located? And how can I set the environment path for that directory? I have little experience with Ubuntu, can anyone give some advice or suggest any good website ...
ASP.NET MVC controller actions that return JSON or partial html
...to your page.
public ActionResult SomeActionMethod() {
return Json(new {foo="bar", baz="Blech"});
}
Then just call the action method using Ajax. You could use one of the helper methods from the ViewPage such as
<%= Ajax.ActionLink("SomeActionMethod", new AjaxOptions {OnSuccess="somemethod"...
Docker can't connect to docker daemon
After I update my Docker version to 0.8.0 , I get an error message while entering sudo docker version :
40 Answers
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What's the difference between belongs_to and has_one?
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It's about where the foreign key sits.
class Foo < AR:Base
end
If foo belongs_to :bar, then the foos table has a bar_id column
If foo has_one :bar, then the bars table has a foo_id column
On the conceptual level, if your class A has a has_one relationship with c...
How do I Search/Find and Replace in a standard string?
...; // include Boost, a C++ library
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std::string target("Would you like a foo of chocolate. Two foos of chocolate?");
boost::replace_all(target, "foo", "bar");
Here is the official documentation on replace_all.
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