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Configure Flask dev server to be visible across the network

...un on your machines IP address. Documented on the Flask site under "Externally Visible Server" on the Quickstart page: Externally Visible Server If you run the server you will notice that the server is only available from your own computer, not from any other in the network. This is th...
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What is a C++ delegate?

...lt;int(double)> f = [can be set to about anything in this answer] // Usually more useful as a parameter to another functions Option 6: binding (using std::bind) Allows setting some parameters in advance, convenient to call a member function for instance. struct MyClass { int DoStuff(dou...
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Node.js Logging

...ny library which will help me to handle logging in my Node.Js application? All I want to do is, I want to write all logs into a File and also I need an options like rolling out the file after certain size or date. ...
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Merge two Git repositories without breaking file history

...ose instructions mostly works, except that when I commit the subtree merge all of the files from the old repositories are recorded as new added files. I can see the commit history from the old repositories when I do git log , but if I do git log <file> it shows only one commit for that fil...
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How do I unload (reload) a Python module?

.... When targeting 3 or later, either reference the appropriate module when calling reload or import it. I think that this is what you want. Web servers like Django's development server use this so that you can see the effects of your code changes without restarting the server process itself. To quo...
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How do I get PyLint to recognize numpy members?

... I had the same issue here, even with the latest versions of all related packages (astroid 1.3.2, logilab_common 0.63.2, pylon 1.4.0). The following solution worked like a charm: I added numpy to the list of ignored modules by modifying my pylintrc file, in the [TYPECHECK] section: [...
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How do I bind a WPF DataGrid to a variable number of columns?

... property is ReadOnly, like everyone noticed, I made an Attached Property called BindableColumns which updates the Columns in the DataGrid everytime the collection changes through the CollectionChanged event. If we have this Collection of DataGridColumn's public ObservableCollection<DataGrid...
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When to use nested classes and classes nested in modules?

... As for your second observation, classes nested inside of modules are generally used to namespace the classes. For instance: module ActiveRecord class Base end end differs from module ActionMailer class Base end end Although this is not the only use of classes nested inside of modules,...
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Performance of FOR vs FOREACH in PHP

First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and... ...
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How do I write output in same place on the console?

... I also had to add a call to sys.stdout.flush() so the cursor didn't bounce around – scottm Feb 5 '09 at 19:40 20 ...