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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
I've heard that SELECT * is generally bad practice to use when writing SQL commands because it is more efficient to SELECT columns you specifically need.
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Can I store the .git folder outside the files I want tracked?
I have an unusual idea to use git as a backup system. So let's say I have a directory ./backup/myfiles and I want to back that up using git. To keep things clean I don't want to have a .git directory in the myfiles folder, so I thought I could create ./backup/git_repos/myfiles. From looking at the g...
How to paste yanked text into the Vim command line
I'd like to paste yanked text into Vim's command line. Is it possible?
10 Answers
10
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How to benchmark efficiency of PHP script
I want to know what is the best way to benchmark my PHP scripts. Does not matter if a cron job, or webpage or web service.
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How do you represent a graph in Haskell?
It's easy enough to represent a tree or list in haskell using algebraic data types. But how would you go about typographically representing a graph? It seems that you need to have pointers. I'm guessing you could have something like
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How best to determine if an argument is not sent to the JavaScript function
I have now seen 2 methods for determining if an argument has been passed to a JavaScript function. I'm wondering if one method is better than the other or if one is just bad to use?
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How to make rounded percentages add up to 100%
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Since none of the answers here seem to solve it properly, here's my semi-obfuscated version using underscorejs:
function foo(l, target) {
var off = target - _.reduce(l, function(acc, x) { return acc + Math.round(x) }, 0);
return _.chain(l).
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Difference between return and exit in Bash functions
...e between the return and exit statement in Bash functions with respect to exit codes?
10 Answers
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I need to store postal codes in a database. How big should the column be?
I expect the column to be a VARCHAR2, in my Oracle Database.
8 Answers
8
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Explain Morris inorder tree traversal without using stacks or recursion
... tree traversal algorithm without using stacks or recursion ? I was trying to understand how it works, but its just escaping me.
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