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Can't use method return value in write context
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This is a much better answer than the one currently selected.
– SystemParadox
Sep 9 '11 at 14:20
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
...dinates to SQL you can set as lat*10000000 and long*10000000. And when you selecting with distance/radius you will divide storage coordinates to 10000000. I was test it with 300K rows, query response time is good. ( 2 x 2.67GHz CPU, 2 GB RAM, MySQL 5.5.49 )
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Eclipse “Error: Could not find or load main class”
...to your desktop eclipse installation? If that is the case, you should just select Project > Clean. Then rebuild your project. Worked like a charm for me.
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Is the SQL WHERE clause short-circuit evaluated?
...y use this for optional parameters. Is this the same as short circuiting?
SELECT [blah]
FROM Emp
WHERE ((@EmpID = -1) OR (@EmpID = EmpID))
This gives me the option to pass in -1 or whatever to account for optional checking of an attribute. Sometimes this involves joining on multiple tables, ...
Scrolling child div scrolls the window, how do I stop that?
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The selected solution is a work of art. Thought it was worthy of a plugin....
$.fn.scrollGuard = function() {
return this
.on( 'wheel', function ( e ) {
var event = e.originalEvent;
var d = ev...
How do I install the OpenSSL libraries on Ubuntu?
...b to see a list of matching package names (which can help when you need to select the correct version of a package that has multiple versions or other variations available).
Bash completion is actually very useful... for example, you can also get a list of commands that apt-get supports by typing s...
Mocking python function based on input arguments
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This made it clearer for me than the selected answer, so thank you for answering your own question :)
– Luca Bezerra
Aug 10 '18 at 19:59
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Switching a DIV background image with jQuery
...does, as I use this code to fire off an animated svg checkmark when a user selects an option. :)
– norcal johnny
Dec 3 '16 at 4:08
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C# elegant way to check if a property's property is null
...rom b in a.PropertyB
from c in b.PropertyC
select c.Value;
This returns null, if any of the nullable properties are null; otherwise, the value of Value.
class A { public B PropertyB { get; set; } }
class B { public C PropertyC { get; set; } }
class C { public strin...
WARNING: Can't verify CSRF token authenticity rails
...hout re-implementing what's already included by Rails. This should be the selected answer.
– jiehanzheng
Feb 1 '17 at 3:34
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