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push_back vs emplace_back

I'm a bit confused regarding the difference between push_back and emplace_back . 7 Answers ...
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What is the difference between a generative and a discriminative algorithm?

Please, help me understand the difference between a generative and a discriminative algorithm, keeping in mind that I am just a beginner. ...
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how to implement a pop up dialog box in iOS

After a calculation, I want to display a pop up or alert box conveying a message to the user. Does anyone know where I can find more information about this? ...
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Grouping functions (tapply, by, aggregate) and the *apply family

Whenever I want to do something "map"py in R, I usually try to use a function in the apply family. 10 Answers ...
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How to get a password from a shell script without echoing

I have a script that automates a process that needs access to a password protected system. The system is accessed via a command-line program that accepts the user password as an argument. ...
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How do you run a Python script as a service in Windows?

I am sketching the architecture for a set of programs that share various interrelated objects stored in a database. I want one of the programs to act as a service which provides a higher level interface for operations on these objects, and the other programs to access the objects through that servic...
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Stop and Start a service via batch or cmd file?

How can I script a bat or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)? ...
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How to create a generic array in Java?

Due to the implementation of Java generics, you can't have code like this: 31 Answers ...
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How to print a groupby object

I want to print the result of grouping with Pandas. 14 Answers 14 ...
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Check whether a string matches a regex in JS

I want to use JavaScript (can be with jQuery) to do some client-side validation to check whether a string matches the regex: ...