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Precise Financial Calculation in JavaScript. What Are the Gotchas?
...y integer arithmetic in floating-point is exact, so decimal representation errors can be avoided by scaling1.
Note that while the set of real numbers is infinite, only a finite number of them (18,437,736,874,454,810,627 to be exact) can be represented exactly by the JavaScript floating-point format...
Remove trailing newline from the elements of a string list
..., and mainly about list comprehension, are great. But just to explain your error:
strip_list = []
for lengths in range(1,20):
strip_list.append(0) #longest word in the text file is 20 characters long
for a in lines:
strip_list.append(lines[a].strip())
a is a member of your list, not an i...
How do I get ruby to print a full backtrace instead of a truncated one?
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This produces the error description and nice clean, indented stacktrace:
begin
# Some exception throwing code
rescue => e
puts "Error during processing: #{$!}"
puts "Backtrace:\n\t#{e.backtrace.join("\n\t")}"
end
...
Detach (move) subdirectory into separate Git repository
... you can't "push" deletes to GitHub and the like. If you try you'll get an error and you'll have to git pull before you can git push - and then you're back to having everything in your history.
So if you want to delete history from the "origin" - meaning to delete it from GitHub, Bitbucket, etc - yo...
Getting a list of values from a list of dicts
I have a list of dicts like this:
9 Answers
9
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What are type lambdas in Scala and what are their benefits?
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@retronym, I got an error when trying (1, 2).map(a => a + 1) in REPL: ` <console>:11: error: value map is not a member of (Int, Int) (1, 2).map(a => a + 1) ^`
– Kevin Meredith
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Why is require_once so bad to use?
... only included it once should suffice but if you're still getting redefine errors, you could something like this:
if (!defined('MyIncludeName')) {
require('MyIncludeName');
define('MyIncludeName', 1);
}
I'll personally stick with the *_once statements but on silly million-pass benchmark,...
In Python, how to display current time in readable format
... is in the documentation.
import time
time.strftime('%X %x %Z')
'16:08:12 05/08/03 AEST'
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
... browser validation for SSL protocols (Poodle vulnerability) gives me: ssl_error_no_cypher_overlap. Any ideas?
– will824
May 28 '15 at 22:34
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Access lapply index names inside FUN
...t(quote(names(X)))[substitute(x)[[3]]]) is no longer working, and gives an error, Error in eval.parent(quote(names(X)))[substitute(x)[[3]]] : invalid subscript type 'symbol' is there an easy way to fix this ?
– forecaster
May 18 '15 at 19:32
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