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What is memoization and how can I use it in Python?
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answered Jan 1 '10 at 15:05
jasonjason
214k3131 gold badges392392 silver badges504504 bronze badges
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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+100
I'll consider the problem of many<->one/many casemappings first and separately from handling different Normalization forms.
F...
How to do stateless (session-less) & cookie-less authentication?
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
Truncate a list to a given number of elements
What method truncates a list--for example to the first 100 elements--discarding the others (without iterating through individual elements)?
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Generate a random double in a range
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answered Sep 9 '10 at 21:17
mobmob
108k1717 gold badges137137 silver badges263263 bronze badges
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Force HTML5 youtube video
... default.
– Simon East
Nov 3 '14 at 10:04
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Fast permutation -> number -> permutation mapping algorithms
...n a binary number, 'xyz' means z + 2y + 4x. For a decimal number,
it's z + 10y + 100x. Each digit is multiplied by some weight, and the results are summed. The obvious pattern in the weight is of course that the weight is w = b^k, with b the base of the number and k the index of the digit. (I will a...
Most efficient way to determine if a Lua table is empty (contains no entries)?
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answered Aug 10 '09 at 1:14
Norman RamseyNorman Ramsey
184k5757 gold badges336336 silver badges517517 bronze badges
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Replacing NAs with latest non-NA value
...,'a',NA,NA,NA,NA,NA,NA,NA,NA,'b','c','d',NA,NA,NA,NA,NA,'e')
xx = rep(x, 1000000)
system.time({ yzoo = na.locf(xx,na.rm=F)})
## user system elapsed
## 2.754 0.667 3.406
system.time({ yrep = repeat.before(xx)})
## user system elapsed
## 0.597 0.199 0.793
Edit
As this ...
Why can't non-default arguments follow default arguments?
...t values in the body?
– weakish
Dec 10 '14 at 11:47
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