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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...'m terrible at naming and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table?
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Fatal error: “No Target Architecture” in Visual Studio
When I try to compile my c++ project using Visual Studio 2010 in either Win32 or x64 mode I get the following error:
11 Ans...
jQuery UI dialog positioning
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As an alternative, you could use the jQuery UI Position utility e.g.
$(".mytext").mouseover(function() {
var target = $(this);
$("#dialog").dialog("widget").position({
my: 'left',
at: 'right',
of: target
});
}
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Getting “net::ERR_BLOCKED_BY_CLIENT” error on some AJAX calls
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same here. I kept changing my code and looking for the cause of this problem and it turned out to be my AdBlock was simply blocking the call that I was working on :D
– Andrei
Apr 14 '15 at 15:41
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Fast check for NaN in NumPy
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Ray's solution is good. However, on my machine it is about 2.5x faster to use numpy.sum in place of numpy.min:
In [13]: %timeit np.isnan(np.min(x))
1000 loops, best of 3: 244 us per loop
In [14]: %timeit np.isnan(np.sum(x))
10000 loops, best of 3: 97.3 us per...
Django Rest Framework File Upload
I am using Django Rest Framework and AngularJs to upload a file. My view file looks like this:
15 Answers
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
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-- Hey, Hasan, I suppose you are either a newbie or very old school from my Grandfather's time!!! Why don't you create some threads and make it much faster?
-- Oh, we have only one CPU core.
-- So what? Create some threads man, make it faster!
-- It does not work like that. If I create threads ...
How to reload a clojure file in REPL
... that does smart reloading based on a dependency graph of the namespaces.
myapp.web=> (require '[clojure.tools.namespace.repl :refer [refresh]])
nil
myapp.web=> (refresh)
:reloading (myapp.web)
:ok
Unfortunately reloading a second time will fail if the namespace in which you referenced the ...
Anti-forgery token issue (MVC 5)
I am having an issue with the anti-forgery token :(
I have created my own User class which worked fine but now I am getting an error whenever I go to the /Account/Register page. The error is:
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Passing parameters to a Bash function
...() {
echo "Parameter #1 is $1"
}
foo 2 # this will work.
Output:
./myScript.sh: line 2: foo: command not found
Parameter #1 is 2
Reference: Advanced Bash-Scripting Guide.
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