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How to track untracked content?

...plugins/open_flash_chart_2 starts out as an independent Git repository. Usually such sub-repositories are ignored, but if you tell git add to explicitly add it, then it will create an gitlink entry that points to the sub-repository’s HEAD commit instead of adding the contents of the directory. It ...
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How to delete an item in a list if it exists?

... new_tag from a form text field with self.response.get("new_tag") and selected_tags from checkbox fields with 7 Answ...
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How to fix error “Updating Maven Project”. Unsupported IClasspathEntry kind=4?

... Right-click on your project, select Maven -> Remove Maven Nature. Open you terminal, go to your project folder and do mvn eclipse:clean Right click on your Project and select “Configure -> Convert into Maven Project” Now you got “Unsupporte...
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How to move columns in a MySQL table?

...min provides a GUI for this within the structure view of a table. Check to select the column you want to move and click the change action at the bottom of the column list. You can then change all of the column properties and you'll find the 'move column' function at the far right of the screen. Of ...
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C++ mark as deprecated

...erface that I want to deprecate with portable C++. When I Googled for this all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) . ...
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How to upgrade all Python packages with pip?

... install pip-review $ py -3 -m pip_review --local --interactive You can select 'a' to upgrade all packages; if one upgrade fails, run it again and it continues at the next one. share | improve th...
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Is arr.__len__() the preferred way to get the length of an array in Python?

...ples: my_tuple = (1,2,3,4,5) len(my_tuple) # 5 And strings, which are really just arrays of characters: my_string = 'hello world' len(my_string) # 11 It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicitly implement a public...
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Visual Studio retrieving an incorrect path to a project from somewhere

...Source Control menu or the workspace drop down in Source Control Explorer) select edit for your workspace. You should see, under working folders, a mapping for the source control directory to the old/wrong project directory. Select it and click remove. Close VS and delete the suo file. It still r...
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Using python's eval() vs. ast.literal_eval()?

... datamap = eval(raw_input('Provide some data here: ')) means that you actually evaluate the code before you deem it to be unsafe or not. It evaluates the code as soon as the function is called. See also the dangers of eval. ast.literal_eval raises an exception if the input isn't a valid Python dat...
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Does the order of LINQ functions matter?

... order by ((record.Score1 + record.Score2) / 2) descending select new { Name = record.Name, Average = ((record.Score1 + record.Score2) / 2) }; If, for whatever reason, you decided to "optimize" the ...