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Fastest Way to Find Distance Between Two Lat/Long Points
...7.5, InnoDB tables now also support SPATIAL indices.
Create a SPATIAL indem>x m> on these points
Use MBRContains() to find the values:
SELECT *
FROM table
WHERE MBRContains(LineFromTem>x m>t(CONCAT(
'('
, @lon + 10 / ( 111.1 / cos(RADIANS(@lon)))
, ' '
, @lat + 10 / 111...
Which is faster: while(1) or while(2)?
...with an optimization flag):
With -O0:
.file "main.c"
.intel_syntam>x m> noprefim>x m>
.def __main; .scl 2; .type 32; .endef
.tem>x m>t
.globl main
.def main; .scl 2; .type 32; .endef
.seh_proc main
main:
push rbp
.seh_pushreg rbp
mov rbp, rsp
...
how to create a file name with the current date & time in python?
...I don't know why you accepted this answer when there are two answers that em>x m>plain perfectly well what was wrong with the code in the question. Nothing against the way Levon did this, it works fine, but when you say "not work, I don't know why", it seems odd because you have answers that em>x m>plain why....
Difference between $(this) and event.target?
... that handles the event on the inner div and stops propagation).
In this em>x m>ample, when you click inside the inner div, then in the handler:
this refers to the .outer DOM element (because that's the object to which the handler was attached)
event.currentTarget also refers to the .outer element (be...
AngularJS HTTP post to PHP and undefined
... pass an appropriate query string, so PHP is not populating $_POST as you em>x m>pect.
My suggestion would be to just use the default angularjs setting of application/json as header, read the raw input in PHP, and then deserialize the JSON.
That can be achieved in PHP like this:
$postdata = file_get_c...
How to check for a valid Base64 encoded string
...le of 4. But instead of comparing these, you'd be better off ignoring the em>x m>ception, if it occurs.
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Postgres - FATAL: database files are incompatible with server
...
If you recently upgraded to 11 or 12 from 10.m>x m> you can run the below command to upgrade your postgres data directory retaining all data:
brew postgresql-upgrade-database
The above command is taken from the output of brew info postgres
...
How to get folder path from file path with CMD
... can get a lot more information using different modifiers:
%~I - em>x m>pands %I removing any surrounding quotes (")
%~fI - em>x m>pands %I to a fully qualified path name
%~dI - em>x m>pands %I to a drive letter only
%~pI - em>x m>pands %I to a path only
%~nI - em>x m>pands %I to a file ...
Why is a 3-way merge advantageous over a 2-way merge?
...
Very detailed and useful em>x m>planation
– Kaneg
Oct 26 '16 at 6:24
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What is the copy-and-swap idiom?
...n achieving two things: avoiding code duplication, and providing a strong em>x m>ception guarantee.
How does it work?
Conceptually, it works by using the copy-constructor's functionality to create a local copy of the data, then takes the copied data with a swap function, swapping the old data with the ...