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How to validate phone numbers using regex
...ually a phone number. For example, what if the user doesn't enter the requisite 10 digits? This should be combined with good regex validation.
– Hugh Jeffner
Jul 29 '10 at 13:40
11...
Why does PHP consider 0 to be equal to a string?
...r, which will check the type and will not implicitly typecast.
P.S: a PHP fun fact: a == b does not imply that b == a. Take your example and reverse it: if ("e" == $item['price']) will never actually be fulfilled provided that $item['price'] is always an integer.
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How to update a plot in matplotlib?
... the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
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When should I write the keyword 'inline' for a function/method?
...l only inline function calls where the definition is available at the call site. Leaving all function in the cpp file would limit inlining to that file. I suggest defining small one liners inline in the .h as the cost to compilation speed is negligible and you're almost guaranteed the compiler wil...
Split comma-separated strings in a column into separate rows
..., "B", "B", "B", "B", "A")
library(data.table)
library(magrittr)
Define function for benchmark runs of problem size n
run_mb <- function(n) {
# compute number of benchmark runs depending on problem size `n`
mb_times <- scales::squish(10000L / n , c(3L, 100L))
cat(n, " ", mb_times, "...
How to secure MongoDB with username and password
...l ask for the user name & password. I tried the tutorial from the MongoDB site and did following:
15 Answers
...
Import PEM into Java Key Store
....generateCertificate(new ByteArrayInputStream(certBytes));
}
}
Have fun.
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Difference between toFixed() and toPrecision()?
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I just visited w3fools and was not convinced whatsoever. I don't even see any argument. All I see is an advertisement for two other sites.
– NiCk Newman
Mar 8 '16 at 4:12
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What does the PHP error message “Notice: Use of undefined constant” mean?
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@BrianWhite Fun fact, when proposing to deprecate this functionality, I could find no evidence that it was ever officially encouraged, and only beta releases of PHP 3.0 included the behaviour without the notice, so it appears to be backw...
What are CN, OU, DC in an LDAP search?
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CN = Common Name
OU = Organizational Unit
DC = Domain Component
These are all parts of the X.500 Directory Specification, which defines nodes in a LDAP directory.
You can also read up on LDAP data Interchange Format (LDIF)...