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How does the MapReduce sort algorithm work?
One of the main examples that is used in demonstrating the power of MapReduce is the Terasort benchmark . I'm having trouble understanding the basics of the sorting algorithm used in the MapReduce environment.
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Should you commit .gitignore into the Git repos?
Do you think it is a good practice to commit .gitignore into a Git repo?
5 Answers
5
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Thread Safety in Python's dictionary
I have a class which holds a dictionary
3 Answers
3
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what is the preferred way to mutate a React state?
Let's say I have a list of plain objects in my this.state.list that I can then use to render a list of children. What then is the right way to insert object into this.state.list ?
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How can I do a case insensitive string comparison?
How can I make the line below case insensitive?
9 Answers
9
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MySQL, update multiple tables with one query
I have a function that updates three tables, but I use three queries to perform this. I wish to use a more convenient approach for good practice.
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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
I have looked at this question but still don't understand the difference between Iterable and Traversable traits. Can someone explain ?
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Guid is all 0's (zeros)?
I'm testing out some WCF services that send objects with Guids back and forth. In my web app test code, I'm doing the following:
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In JavaScript, does it make a difference if I call a function with parentheses?
I noticed a difference when calling a function with empty parentheses, or without any parentheses at all. However, I am not passing any arguments to the function so I wondered, what would be the difference between:
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Remove the bottom divider of an android ListView
I have a fixed height ListView . It has divider between list items, but it also displays dividers after the last list item.
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