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Why 0 is true but false is 1 in the shell?
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10 Answers
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Strtotime() doesn't work with dd/mm/YYYY format
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Here is the simplified solution:
$date = '25/05/2010';
$date = str_replace('/', '-', $date);
echo date('Y-m-d', strtotime($date));
Result:
2010-05-25
The strtotime documentation reads:
Dates in the m/d/y or d-m-y formats are disambiguated by looking at the separator...
Is it safe to assume a GUID will always be unique?
...now there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
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#> 8 virginica B 25
#> 9 virginica C 25
#> 10 empty_level A 0
#> 11 empty_level B 0
#> 12 empty_level C 0
Created on 2019-03-13 by the reprex package (v0.2.1)
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JQuery to load Javascript file dynamically
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Dreen
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answered May 26 '09 at 20:54
Paolo BergantinoPao...
Test if a vector contains a given element
...logical
– Capt.Krusty
Aug 17 '19 at 10:08
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Determine if map contains a value for a key?
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Generate an integer that is not among four billion given ones
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Assuming that "integer" means 32 bits: 10 MB of space is more than enough for you to count how many numbers there are in the input file with any given 16-bit prefix, for all possible 16-bit prefixes in one pass through the input file. At least one of the buckets w...
Increasing nesting function calls limit
...unction a1() that calls a2(), that calls a3... so when a99() will call a100() you will see
3 Answers
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Calling clojure from java
...rintln (str "(binomial 5 3): " (binomial 5 3)))
(println (str "(binomial 10042 111): " (binomial 10042 111)))
)
If you run it, you should see something like:
(binomial 5 3): 10
(binomial 10042 111): 49068389575068144946633777...
And here's a Java program that calls the -binomial function in t...