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rmagick gem install “Can't find Magick-config”
...tempting to install the rmagick gem. I am on Snowleopard 10.6 using RVM, Ruby 1.9.2-head and Rails 3.05. Responses to similar questions recommended installing ImageMagick, which I successfully did. Other suggested installing the "libmagick9-dev library", however, I can not figure out how to do this....
Why doesn't JavaScript support multithreading?
...cript that allows us to create processes and threads which are all managed by the same JavaScript interpreter. This allows us to run actions in the following manner:
Process A, Thread 1
Process A, Thread 2
Process B, Thread 1
Process A, Thread 3
Process A, Thread 4
Process B, Thread 2
Pause Proces...
Get __name__ of calling function's module in Python
...or the filename you can also use f.f_back.f_code.co_filename, as suggested by Mark Roddy above. I am not sure of the limits and caveats of this method (multiple threads will most likely be a problem) but I intend to use it in my case.
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Is it possible to select the last n items with nth-child?
...it - thanks BoltClock) or into a first part of some fixed length, followed by "the rest". You sort-of want the opposite of that, which is what nth-last-child gives you.
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Hide Twitter Bootstrap nav collapse on click
....click(); //bootstrap 2.x
$('.navbar-toggle').click(); //bootstrap 3.x by Richard
$('.navbar-toggler').click(); //bootstrap 4.x
});
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What's the best way to validate an XML file against an XSD file?
...s approach is that the xmlsns:xsi is probably a network location, so it'll by default go out and hit the network with each and every validation, not always optimal.
Here's an example that validates an XML file against any XSD's it references (even if it has to pull them from the network):
public s...
In C#, What is a monad?
...ion. This is basically just another monad that combines the function calls by the rule "if the function on the left returned -1, do return -1 ourselves, otherwise call the function on the right". If we had an operator >>= that did this thing we could simply write:
socket.bind(...) >>= s...
How do I ignore files in Subversion?
....8 and 1.9's behaviour)
You have 2 questions:
Marking files as ignored:
By "ignored file" I mean the file won't appear in lists even as "unversioned": your SVN client will pretend the file doesn't exist at all in the filesystem.
Ignored files are specified by a "file pattern". The syntax and for...
How to prevent a jQuery Ajax request from caching in Internet Explorer?
...e: Boolean If set to false, it will force requested pages not to be cached by the browser. Note: Setting cache to false will only work correctly with HEAD and GET requests. It works by appending "_={timestamp}" to the GET parameters.
– badri
Apr 12 '19 at 14:04...
How to extend an existing JavaScript array with another array, without creating a new array
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This answer will fail if "b" (the array to extend by) is large (> 150000 entries approx in Chrome according to my tests). You should use a for loop, or even better use the inbuilt "forEach" function on "b". See my answer: stackoverflow.com/questions/1374126/…
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