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How do I convert a float number to a whole number in JavaScript?
I'd like to convert a float to a whole number in JavaScript. Actually, I'd like to know how to do BOTH of the standard conversions: by truncating and by rounding. And efficiently, not via converting to a string and parsing.
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How do you know when to use fold-left and when to use fold-right?
...by putting parentheses!).
If you have a left-associative operator, you'll set the parentheses like this
((A x B) x C) x D
Here, you use a left fold. Example (haskell-style pseudocode)
foldl (-) [1, 2, 3] == (1 - 2) - 3 == 1 - 2 - 3 // - is left-associative
If your operator is right-associativ...
Getting individual colors from a color map in matplotlib
...r within the range (so 0.0 and 1.0). This default can be changed with cmap.set_under() and cmap.set_over().
For "special" numbers such as np.nan and np.inf the default is to use the 0.0 value, this can be changed using cmap.set_bad() similarly to under and over as above.
Finally it may be necessa...
Is it possible only to declare a variable without assigning any value in Python?
...rack of a counter (minValue) and any time a value was lower than it, I was setting it to become the new minValue. If I declared minValue as None originally, then apparently it is still lower than any numbers I compared it against. I ended up just initializing it at sys.maxint
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PHP - Move a file into a different folder on the server
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Can I recover a branch after its deletion in Git?
If I run git branch -d XYZ , is there a way to recover the branch? Is there a way to go back as if I didn't run the delete branch command?
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LINQ, Where() vs FindAll()
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MySQL and GROUP_CONCAT() maximum length
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SET SESSION group_concat_max_len = 1000000;
is a temporary, session-scope, setting. It only applies to the current session You should use it like this.
SET SESSION group_concat_max_len = 1000000;
select group_concat(colum...
gitignore without binary files
How can binary files be ignored in git using the .gitignore file?
18 Answers
18
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What is the runtime performance cost of a Docker container?
...usage patterns (merging multiple large directories, or merging a very deep set of filesystems will be particularly expensive), but they're not free. On the other hand, a great deal of Docker's functionality -- being able to build guests off other guests in a copy-on-write manner, and getting the sto...