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How do I grep recursively?

... It is good to know that "-i" would make it case insensitive, and "-n" also include the line number for each matched result. – Sadegh Jan 23 '15 at 12:02 ...
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How to check whether a pandas DataFrame is empty?

... This seems like a shame, since you need to know that df is a pd.DataFrame. I'd like to know the motivation for not implementing bool() on pd.DataFrame. – Quant Feb 14 '14 at 16:55 ...
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How do I create a slug in Django?

... utf-8 is now handled correctly by slugify (in django 1.8.5) – Rick Westera Nov 20 '15 at 23:53 ...
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socket.io and session?

... session_store.get(connect_sid, function (error, session) { //HOORAY NOW YOU'VE GOT THE SESSION OBJECT!!!! }); } }); You can then use the session as needed. share | improve this answer...
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The import org.junit cannot be resolved

... I added JUnit 4 via Properties -> Java Build Path, but every now and then Eclipse still shows me this error, though running the tests is possible without problems. Restarting Eclipse resolves the problem - for a while. Any explanation for this? – Thomas W ...
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Initializing C# auto-properties [duplicate]

... bar; } } It's unfortunate that there's no way of doing this right now. You have to set the value in the constructor. (Using constructor chaining can help to avoid duplication.) Automatically implemented properties are handy right now, but could certainly be nicer. I don't find myself wanti...
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]

...s not an object, and there's no underlying virtual machine which needs to know about a Person class. There's no boxing or unboxing, and functions don't have to belong to classes, or indeed anything. Because of this, the C++ compiler places no restrictions on what you can do with templates - basicall...
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How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?

... project, where I have used Selenium and added that using external path Now you need to open Project Structure and go to SDK Section Now Select your project's virtual environment. In the Classpath tab add the PYTHONPATH by clicking + button and now the modules will be recognized ...
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MySQL Workbench: How to keep the connection alive

... From the now unavailable internet archive: Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400. Close and reopen MySQL Workbe...
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Any way to clear python's IDLE window?

I know there's a similar topic about python console, but I do not know if they are the same. I tried system("clear") and it didn't work here. ...