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Which MySQL datatype to use for an IP address? [duplicate]
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@AlexanderFarber Check if IP is in subnet
– Gumbo
Nov 17 '15 at 19:07
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Multiple inputs with same name through POST in php
... an indefinite number of physical addresses along with other information. If I simply gave each of those fields the same name across several entries and submitted that data through post, would PHP be able to access it?
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Check if all elements in a list are identical
...lso one-liner:
def checkEqual3(lst):
return lst[1:] == lst[:-1]
The difference between the 3 versions are that:
In checkEqual2 the content must be hashable.
checkEqual1 and checkEqual2 can use any iterators, but checkEqual3 must take a sequence input, typically concrete containers like a lis...
What does the NS prefix mean?
... entered the picture most things in the foundation, even though it wasn't known as the foundation back then, was prefixed NX, for NeXT, and sometime just before Sun entered the picture everything was renamed to NS. The S most likely did not stand for Sun then but after Sun stepped in the general con...
How do I find which program is using port 80 in Windows? [duplicate]
...cesses that use port 80. Notice the pid (process id) in the right column.
If you would like to free the port, go to Task Manager, sort by pid and close those processes.
-a displays all connections and listening ports.
-o displays the owning process ID associated with each connection.
-n displays...
Why are const parameters not allowed in C#?
...ld call some mutating method on a non const alias of the const object, and now the so-called const object has changed.
C-style const provides no guarantee that the object will not change, and is therefore broken. Now, C already has a weak type system in which you can do a reinterpret cast of a doub...
Geometric Mean: is there a built-in?
...in mind they are the same, but of course this is not generally true. Thus, if you want to include optional propagation of zeros, and treat the length(x) differently in the case of NA removal, the following is a slightly longer alternative to the function above.
gm_mean = function(x, na.rm=TRUE, zer...
Where is PATH_MAX defined in Linux?
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Wait ... does this mean that PATH_MAX is linux-specific and not part of any standard?
– Edward Falk
Jun 15 '16 at 16:45
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delete map[key] in go?
...ven if the key is already absent from the map.
delete(timeZone, "PDT") // Now on Standard Time
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Is there a download function in jsFiddle?
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@LeosLiterak updated. and thanks for reminding so that now the answer will be more clear for any.
– Pradeep Kumar Prabaharan
Apr 6 '17 at 12:06
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