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Numpy array assignment with copy

... slicing and copying their contents. An array is a "view" of an underlying block of memory where the numeric values are stored. Doing a slice like some_array[:] will create a new array object, but that new object will be a view of the same memory as the original array, which won't have been copied. ...
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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?

... I think subscribe.on should be outside the socket.on('connection') block to avoid multiple subscribes/ – zubinmehta Jul 3 '15 at 9:37  |  ...
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Using python's eval() vs. ast.literal_eval()?

...('os').system('rm -rf /')",{'__builtins__':{}},{}) # output : Error due to blocked imports by passing '__builtins__':{} in global # But still eval is not safe. we can access and break the code as given below s = """ (lambda fc=( lambda n: [ c for c in ().__class__.__bases__[0].__subcl...
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Difference between this and self in self-type annotations?

... the trait declared itself as taking a certain type and returning the code block e.g. foo: B => {...}. Now those curlies are of course omitted. It is interesting to see that you can use the object name instead of "this" inside any scope in the code though [something we do all the time in javascri...
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Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?

...pointInside:point withEvent:event]) { return nil; } __block UIView *hitView = self; [self.subViews enumerateObjectsWithOptions:NSEnumerationReverse usingBlock:^(id obj, NSUInteger idx, BOOL *stop) { CGPoint thePoint = [self convertPoint:point toView:obj]; ...
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How do I parallelize a simple Python loop?

... output1.append(id1) output2.append(id2) output3.append(id3) # Block until the results have finished and get the results. output1 = ray.get(output1) output2 = ray.get(output2) output3 = ray.get(output3) To run the same example on a cluster, the only line that would change would be the ...
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How to empty a redis database?

...mbered (shared) databases are managed by the same Redis server, this could block your other databases for that duration. If possible, refrain from using shared databases because of that and also because they aren't future-proof (not supported in v3). See here for more details: redislabs.com/blog/…...
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Disable all table constraints in Oracle

... It is better to avoid writing out temporary spool files. Use a PL/SQL block. You can run this from SQL*Plus or put this thing into a package or procedure. The join to USER_TABLES is there to avoid view constraints. It's unlikely that you really want to disable all constraints (including NOT ...
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Execute a command line binary with Node.js

...s/pdf/book.html -o builds/pdf/book.pdf'); ⚠️ Note that execSync call blocks event loop. share | improve this answer | follow | ...
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How to determine day of week by passing specific date?

... I think you need to put it in a try catch block – Shafaet Aug 1 '16 at 8:36 2 ...