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Get the real width and height of an image with JavaScript? (in Safari/Chrome)
...ry clever. Unfortunately the solution as he has written it will only work if the image is cached or if the page has already finished downloading. If the image is not cached or if this code is called before window.onload, a height/width of 0 might be returned. In any case, I've integrated FDisk's ...
JavaScript style for optional callbacks
... occasionally (not always) will receive a callback and run it. Is checking if the callback is defined/function a good style or is there a better way?
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import module from string variable
... on a documentation (personal) for nested matplotlib (MPL) library, which differs from MPL own provided, by interested submodule packages. I'm writing Python script which I hope will automate document generation from future MPL releases.
I selected interested submodules/packages and want to list t...
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
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If you install the application on your device via adb install you should look for the reinstall option which should be -r. So if you do adb install -r you should be able to install without uninstalling before.
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C++11 range based loop: get item by value or reference to const
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If you don't want to change the items as well as want to avoid making copies, then auto const & is the correct choice:
for (auto const &x : vec)
Whoever suggests you to use auto & is wrong. Ignore them.
Here i...
Responsive image align center bootstrap 3
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If you're using Bootstrap v3.0.1 or greater, you should use this solution instead. It doesn't override Bootstrap's styles with custom CSS, but instead uses a Bootstrap feature.
My original answer is shown below for posterity...
Lost my schema.rb! Can it be regenerated?
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If you run a rake -T it will list all possible rake tasks for your Rails project. One of them is db:schema:dump which will recreate the schema.rb for the Rails app from the database.
bundle exec rake db:schema:dump
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Is it possible to use argsort in descending order?
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If you negate an array, the lowest elements become the highest elements and vice-versa. Therefore, the indices of the n highest elements are:
(-avgDists).argsort()[:n]
Another way to reason about this, as mentioned in the...
400 BAD request HTTP error code meaning?
... to indicate that the JSON is invalid in some way according to the API specification for the service.
By that logic, both the scenarios you provided should be 400's.
Imagine instead this were XML rather than JSON. In both cases, the XML would never pass schema validation--either because of an unde...
Android - Pulling SQlite database android device
...ed everywhere and i can't find a real precise answer or a tutorial on how, if it is possible, to do this.
19 Answers
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