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Arrow operator (->) usage in C

I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...
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What is the difference between pip and conda?

I know pip is a package manager for python packages. However, I saw the installation on IPython's website use conda to install IPython. ...
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How to get number of rows using SqlDataReader in C#

...how to get the number of rows returned by a query using SqlDataReader in C#. I've seen some answers about this but none were clearly defined except for one that states to do a while loop with Read() method and increment a counter. ...
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How Do I Take a Screen Shot of a UIView?

I am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage . 15 Answers ...
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Get IP address of visitors using Flask for Python

I'm making a website where users can log on and download files, using the Flask micro-framework (based on Werkzeug ) which uses Python (2.6 in my case). ...
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How many parameters are too many? [closed]

Routines can have parameters, that's no news. You can define as many parameters as you may need, but too many of them will make your routine difficult to understand and maintain. ...
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Force update of an Android app when a new version is available

... Play Store. When an update version is available, the older version will become unusable – that is, if users do not update the app, they do not enter in the app. How can I force users to update the app when a new version becomes available? ...
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Retrieve list of tasks in a queue in Celery

How can I retrieve a list of tasks in a queue that are yet to be processed? 14 Answers ...
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Find UNC path of a network drive?

...le determine the path of the network Q drive at work for a WEBMethods project. The code that I have before is in my configuration file. I placed single character leters inside of the directories just for security reasons. I am not sure what the semi-colon is for, but I think that the double slashes ...
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Export query result to .csv file in SQL Server 2008

How can I export a query result to a .csv file in SQL Server 2008? 14 Answers 14 ...