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What are the use cases for selecting CHAR over VARCHAR in SQL?

I realize that CHAR is recommended if all my values are fixed-width. But, so what? Why not just pick VARCHAR for all text fields just to be safe. ...
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How to select bottom most rows?

... share | improve this answer | follow | answered Dec 9 '09 at 20:23 Tom HTom H ...
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R memory management / cannot allocate vector of size n Mb

I am running into issues trying to use large objects in R. For example: 8 Answers 8 ...
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Is it .yaml or .yml?

According to yaml.org , the official file extension is .yaml . 4 Answers 4 ...
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Mutable vs immutable objects

...d) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever possible? ...
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How does MySQL process ORDER BY and LIMIT in a query?

I have a query that looks like this: 7 Answers 7 ...
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How to exit in Node.js

What is the command that is used to exit? (i.e terminate the Node.js process) 19 Answers ...
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DataTrigger where value is NOT null?

I know that I can make a setter that checks to see if a value is NULL and do something. Example: 12 Answers ...
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Finding all cycles in a directed graph

... I found this page in my search and since cycles are not same as strongly connected components, I kept on searching and finally, I found an efficient algorithm which lists all (elementary) cycles of a directed graph. It is from Donald B...
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What is Angular.noop used for?

... angular.noop is an empty function that can be used as a placeholder when you need to pass some function as a param. function foo (callback) { // Do a lot of complex things callback(); } // Those two have the same effect, but th...