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What is the simplest SQL Query to find the second largest value?
...
In T-Sql there are two ways:
--filter out the max
select max( col )
from [table]
where col < (
select max( col )
from [table] )
--sort top two then bottom one
select top 1 col
from (
select top 2 col
from [table]
order by col) topTwo
or...
Cross-browser window resize event - JavaScript / jQuery
...});
For the sake of UI responsiveness, you might consider using a setTimeout to call your code only after some number of milliseconds, as shown in the following example, inspired by this:
function doSomething() {
alert("I'm done resizing for the moment");
};
var resizeTimer;
$(window).resize...
Diff files present in two different directories
...an use the diff command for that:
diff -bur folder1/ folder2/
This will output a recursive diff that ignore spaces, with a unified context:
b flag means ignoring whitespace
u flag means a unified context (3 lines before and after)
r flag means recursive
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Define: What is a HashSet?
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@Nigel Touch. Iterating is fast if you do not care about the index (order in which they were added). However, if you are concerned about the index then the index must be stored with each hash key and thus it can be rather slow because the list must be searched exhaustively to ...
How do I check if the Java JDK is installed on Mac?
... check for multiple different versions of java as well.
If you prefer XML output, java_home also has a -X option to output in XML.
$ /usr/libexec/java_home --help
Usage: java_home [options...]
Returns the path to a Java home directory from the current user's settings.
Options:
[-v/--versi...
Emacs in Windows
...n it under cygwin. That also gives me a Unix-ish environment for shelling out commands with meta-!
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C++: Rounding up to the nearest multiple of a number
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This works for positive numbers, not sure about negative. It only uses integer math.
int roundUp(int numToRound, int multiple)
{
if (multiple == 0)
return numToRound;
int remainder = numToRound % multiple;
if (remainder == 0)
return numToR...
ORA-01882: timezone region not found
...e issue.
I also managed to make ojdbc6.jar version 11.2.0.3.0 connect without error, by adding oracle.jdbc.timezoneAsRegion=false in file oracle/jdbc/defaultConnectionProperties.properties (inside the jar). Found this solution here
Lastly, one can add -Doracle.jdbc.timezoneAsRegion=false to the co...
Disable Logback in SpringBoot
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Is there a way to find out which jar declares logback without doing some 'exploration' in each jar? And, thanks! This helped me
– vivek_ganesan
Nov 15 '16 at 5:57
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Can I use CoffeeScript instead of JS for node.js?
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But what about when using other CoffeeScript files? I don't want to put everything in 1 CoffeeScript
– Jiew Meng
Jun 10 '12 at 12:32
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