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Rails: Is there a rails trick to adding commas to large numbers?
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354
You want the number_with_delimiter method. For example:
<%= number_with_delimiter(@number,...
Delete multiple records using REST
... intermediaries as meaning “DELETE the (single) resource at /records/1;2;3” — So a 2xx response to this may cause them to purge their cache of /records/1;2;3; not purge /records/1, /records/2 or /records/3; proxy a 410 response for /records/1;2;3, or other things that don't make sense from yo...
Pandas count(distinct) equivalent
...ple:
In [2]: table
Out[2]:
CLIENTCODE YEARMONTH
0 1 201301
1 1 201301
2 2 201301
3 1 201302
4 2 201302
5 2 201302
6 3 201302
In [3]: table.groupby('YEARMONTH').CLIENTCODE.nunique()
Out[3]:
YEARM...
Which UUID version to use?
...eed to always generate the same UUID from a given name, you want a version 3 or version 5.
Version 3: This generates a unique ID from an MD5 hash of a namespace and name. If you need backwards compatibility (with another system that generates UUIDs from names), use this.
Version 5: This generates ...
Using multiple delimiters in awk
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333
The delimiter can be a regular expression.
awk -F'[/=]' '{print $3 "\t" $5 "\t" $8}' file
P...
What's the fastest way to loop through an array in JavaScript?
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346
After performing this test with most modern browsers:
https://jsben.ch/wY5fo
Currently, the fa...
Best way to strip punctuation from a string
...).timeit(1000000)
This gives the following results:
sets : 19.8566138744
regex : 6.86155414581
translate : 2.12455511093
replace : 28.4436721802
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Check whether an array is a subset of another
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Cameron MacFarlandCameron MacFarland
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Call apply-like function on each row of dataframe with multiple arguments from each row
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138
You can apply apply to a subset of the original data.
dat <- data.frame(x=c(1,2), y=c(3,4)...
What does auto do in margin:0 auto?
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answered Jul 3 '10 at 8:05
djdd87djdd87
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