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Difference between numpy.array shape (R, 1) and (R,)

...ve the same array np.dot(M[:,0][:,np.newaxis],np.ones((1,3))) np.dot(np.atleast_2d(M[:,0]).T,np.ones((1,3))) np.einsum('i,j',M[:,0],np.ones((3))) M1=M[:,0]; R=np.ones((3)); np.dot(M1[:,None], R[None,:]) MATLAB started out with just 2D arrays. Newer versions allow more dimensions, but retain the ...
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Abstract functions in Swift Language

...his post and this time I think I found a pattern, that looks feasable - at least to me. Update: It looks like the UIKit implementers at Apple use the same pattern. UITableViewController implements UITableViewDelegate but still needs to be registers as delegate by explicitely setting the delegate pro...
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Is there a “theirs” version of “git merge -s ours”?

...ing") command read-tree that the average git user might not be used to (at least I am not ;-) ). The solutions in the answer use only the high-level ("porcelain") commands most git users should know. I prefer them but thank you for your version nevertheless! – siegi ...
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Python Process Pool non-daemonic?

...ext instead of the default one. That said, I should warn that there are at least two caveats to this approach: It still depends on implementation details of the multiprocessing package, and could therefore break at any time. There are valid reasons why multiprocessing made it so hard to use non-dae...
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Best practice for creating millions of small temporary objects

...re were only 4 different instances I chose the second one, as it had the least impact on the application and was easy to introduce. It took me minutes to put a factory with a not-thread-safe cache (I did not need thread safety since I would eventually have only 4 different instances). The allocat...
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What is the best way to implement constants in Java? [closed]

... @ToolmakerSteve You can't subclass a class with a private constructor (at least not without a big bad hack), because the constructor of the subclass needs to call the (now private) constructor of its superclass. So, marking it final is unnecessary (but perhaps more explicit). –...
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Make xargs execute the command once for each line of input

...tr '\n' '\0\ => tr '\n' '\0', I tried to fix this but "Edits must be at least 6 characters" (this seems as stupid as git refusing to commit because my change was less than 6 chars) – htaccess Apr 12 '18 at 21:52 ...
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What's the difference between “STL” and “C++ Standard Library”?

...ze what they're referring to. This leads to many misunderstandings, and at least a few serious flame-wars that made most of the participants look foolish because they were simply talking about entirely different things. Unfortunately, the confusion is likely to continue unabated. It's much more con...
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How to ignore files/directories in TFS for avoiding them to go to central source repository?

...teps you can select items to exclude (although, I think you have to add at least one item to TFS with this method for the wizard to let you continue). You can even add a forbidden patterns check-in policy (under Team -> Team Project Settings -> Source Control... -> Check-in Policy) to disa...
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Phonegap Cordova installation Windows

... Hexodus, it doesn't seem that this step is documented anywhere, or at least it is not very clear at all. As one can imagine, starting on one page with running a cordova command and then being taken to another page that says use phonegap, or is it the other way?, is very confusing. Oliver, you...