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How to get visitor's location (i.e. country) using geolocation? [duplicate]
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You don't need to locate the user if you only need their country. You can look their IP address up in any IP-to-location service (like maxmind, ipregistry or ip2location). This will be accurate most of the time.
If you really need to get their location, you ...
How can you determine how much disk space a particular MySQL table is taking up?
...pw3),2),' ',SUBSTR(units,pw3*2+1,2)) TBLSIZE
FROM
(
SELECT DAT,NDX,TBL,IF(px>4,4,px) pw1,IF(py>4,4,py) pw2,IF(pz>4,4,pz) pw3
FROM
(
SELECT data_length DAT,index_length NDX,data_length+index_length TBL,
FLOOR(LOG(IF(data_length=0,1,data_length))/LOG(1024)) px,
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SVN undo delete before commit
If you delete a directory from an SVN working copy, but haven't committed yet, it's not obvious how to get it back. Google even suggests "svn undo delete before commit" as a common query when you type "svn undo d", but the search results are unhelpful.
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Getting unique items from a list [duplicate]
...<T> of distinct items:
var uniqueItems = yourList.Distinct();
And if you need the sequence of unique items returned as a List<T>, you can add a call to ToList:
var uniqueItemsList = yourList.Distinct().ToList();
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How to print a debug log?
...d also suggest using var_export($foo, true) instead of print_r($foo, true) if print_rdoesn't get you the type information you need.
– Ben
Dec 14 '17 at 17:08
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How to remove “onclick” with JQuery?
..."alert('get rid of this')" href="javascript:void(0)" class="black">Qualify</a>
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Visual Studio Post Build Event - Copy to Relative Directory Location
...uccessful build, I wish to copy the contents of the output directory to a different location under the same "base" folder. This parent folder is a relative part and can vary based on Source Control settings.
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Implications of foldr vs. foldl (or foldl')
...or foldl f x ys looks like
f (... (f (f x y1) y2) ...) yk
An important difference here is that if the result of f x y can be computed using only the value of x, then foldr doesn't' need to examine the entire list. For example
foldr (&&) False (repeat False)
returns False whereas
fold...
SQL JOIN - WHERE clause vs. ON clause
...oins .
The answer may be related (or even the same) but the question is different.
18 Answers
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Maximum call stack size exceeded error
...nction a(x) {
// The following condition
// is the base case.
if ( ! x) {
return;
}
a(--x);
})(10);
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