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Dealing with multiple Python versions and PIP?

...This is the recommendation because it works across all versions of Python, and in all forms of virtualenv. For example: # The system default python: $ python -m pip install fish # A virtualenv's python: $ .env/bin/python -m pip install fish # A specific version of python: $ python-3.6 -m pip inst...
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Overriding fields or properties in subclasses

I have an abstract base class and I want to declare a field or a property that will have a different value in each class that inherits from this parent class. ...
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Can't start site in IIS (use by another process)

... Check using netstat -aon or netstat -aon | findstr 0.0:80 in a command prompt to see which Process Id is LISTENING to port :80 and then watch for that Process Id (PID) in Task Manager with view->select columns-> process id checked. End that process, restart IIS and you are done. (Note:...
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Reading settings from app.config or web.config in .NET

...you very much! very straight forward answer. I was building a console app! and this answer save the day! – PatsonLeaner May 29 '19 at 6:36 2 ...
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SQL Server IN vs. EXISTS Performance

...t. The IN statement requires SQL Server to generate a complete result set, and then create a big IF statement I think. – Randy Minder Jan 14 '10 at 16:04 74 ...
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How do I list all cron jobs for all users?

Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...
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Differences between fork and exec

What are the differences between fork and exec ? 9 Answers 9 ...
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What is TypeScript and why would I use it in place of JavaScript? [closed]

...set of JavaScript which primarily provides optional static typing, classes and interfaces. One of the big benefits is to enable IDEs to provide a richer environment for spotting common errors as you type the code. To get an idea of what I mean, watch Microsoft's introductory video on the language. ...
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Are there benefits of passing by pointer over passing by reference in C++?

...ary/promoted objects, nor the use of pointed object as stack-like objects. And it will suggest that the argument can be NULL when, most of the time, a NULL value should be forbidden. Read litb's answer for a complete answer. – paercebal Dec 3 '08 at 10:12 ...
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How to tell when UITableView has completed ReloadData?

...nvestigation, I find that the table view sends tableView:numberOfSections: and tableView:numberOfRowsInSection: to its data source before returning from reloadData. If the delegate implements tableView:heightForRowAtIndexPath:, the table view also sends that (for each row) before returning from rel...