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Socket.IO - how do I get a list of connected sockets/clients?

...omes io.connected, io.sockets.adapter.rooms becomes io.adapter.rooms ...) Tested on socket.io 1.3.5 share | improve this answer | follow | ...
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Can you give a Django app a verbose name for use throughout the admin?

...default_app_config = 'appName.apps.AppNameConfig' Is the best way to do. tested on Django 1.7 For the person who had problems with the Spanish This code enable the utf-8 compatibility on python2 scripts # -*- coding: utf-8 -*- ...
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Fastest way to determine if an integer's square root is an integer

I'm looking for the fastest way to determine if a long value is a perfect square (i.e. its square root is another integer): ...
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How to sort in mongoose?

I find no doc for the sort modifier. The only insight is in the unit tests: spec.lib.query.js#L12 17 Answers ...
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What does Python's eval() do?

... It is used on sites like codepad.org to allow you to execute scripts in a test environment. eval() can also be used to execute highly-dynamic code, but you should make yourself fully aware of the security and performance risks before using it. – George Cummins ...
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HTML5 Local Storage fallback solutions [closed]

... after adding a cookie like * >> document.cookie = "bar=test; expires=Thu, 14 Jun 2018 13:05:38 GMT; path=/" * the value of document.cookie may look like * >> "foo=value; bar=test" */ var nameEQ = name + "="; // what we are...
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Is git not case sensitive?

... In my scenario I had two folders tests and Tests which showed as two separate folders in Github but a single Tests folder in Windows. My aim was to combine them both into tests. I used the following approach: Create a new folder temp Copy all content from...
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Python Pandas: Get index of rows which column matches certain value

... If you only want back the index, what's the overhead of df[dftest].index? Does this create an intermediate data frame (whose data may be gibabytes). What about dftest? Doesn't this also allocate a very large intermediate object where the returned index may be very small, or even empty...
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What is the difference between quiet NaN and signaling NaN?

...he floating-point environment and provides standardized ways to create and test for NaNs. However, whether the controls are implemented is not well standardized and floating-point exceptions are not typically caught the same way as standard C++ exceptions. In POSIX/Unix systems, floating point exc...
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How to extract the decision rules from scikit-learn decision-tree?

...else: # < -- added else to iterate through decision nodes if (X_test[sample_id, feature[node_id]] <= threshold[node_id]): threshold_sign = "<=" else: threshold_sign = ">" print("decision id node %s : (X[%s, %s] (= %s) %s %s)" ...