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How do you get the magnitude of a vector in Numpy?

...ss-explicit method after finding that np.linalg.norm was a bottleneck, but then I went one step further and just used math.sqrt(x[0]**2 + x[1]**2) which was another significant improvement. – Nick T Sep 13 '13 at 4:02 ...
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“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p

...d files/ignored files, as well as files/directories ignored by svn:ignore, then execute svn update. Always check out fresh copy Use svn update as much possible, with svn revert before update share | ...
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Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?

...ur ‘View Controller’ object in the scene (the left-hand side nav), and then select the Identity Inspector (right-hand side, third button.) From here let’s change the class from ‘ViewController’ to ‘SearchResultsViewController’. Now we should be back on track. Check that the project sti...
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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif

...other comparison operator which uses strict comparison such as !== or ===, then you can always be sure that the types won't magically change, because there will be no converting going on. So with strict comparison the type and value have to be the same, not only the value. Type comparison table As...
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Does it make sense to do “try-finally” without “catch”?

... the same time in these languages and the exceptions order is try first an then finally. – Rain Jan 24 at 17:40 add a comment  |  ...
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Order data frame rows according to vector with specific order

... Therefore match finds the row numbers that matches target's elements, and then we return df in that order. share | improve this answer | follow | ...
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Postgres: Distinct but only for one column

...same thing + more. So if you say DISTINCT ON (name) you must ORDER BY name then whatever else you want. Hardly ideal. – Kevin Parker Mar 19 at 17:37 ...
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Should import statements always be at the top of a module?

...g an infinite loop. If you move the import statement in one of the modules then it won't try to import the other module till the function is called, and that module will already be imported, so no infinite loop. Read here for more - effbot.org/zone/import-confusion.htm ...
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How do I accomplish an if/else in mustache.js?

...e the only checks, i.e. you can't check if the value of a tag equals 5 and then fall into that tag's code. – MandM Nov 13 '15 at 19:21 23 ...
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Web deployment task build failed

...xpire. So reset the passwords on the web server and set to "never expire". Then go to Management Service Delegation in IIS. Each of the presented rules has a UserName field. Where it is WDeployAdmin or WDeployConfigWriter right click and update the credentials to the new passwords. A full explanati...