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Run an OLS regression with Pandas Data Frame
I have a pandas data frame and I would like to able to predict the values of column A from the values in columns B and C. Here is a toy example:
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How do I use Nant/Ant naming patterns?
...(there are no .c files in the current directory)
src/*.c matches 2 and 3
*/*.c matches 2 and 3 (because * only matches one level)
**/*.c matches 2, 3, and 4 (because ** matches any number of levels)
bar.* matches 1
**/bar.* matches 1 and 2
**/b...
Checking images for similarity with OpenCV
... entire research magazines.
I will outline the most common such techniques and their results.
Comparing histograms
One of the simplest & fastest methods. Proposed decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of p...
How can I disable a button in a jQuery dialog from a function?
... collection from the dialog, loop through that to find which one you need, and then set the disabled attribute as I showed above.
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What does [:] mean?
I'm analyzing some Python code and I don't know what
6 Answers
6
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jquery live hover
...ery 1.4.1 now supports "hover" for live() events, but only with one event handler function:
$("table tr").live("hover",
function () {
});
Alternatively, you can provide two functions, one for mouseenter and one for mouseleave:
$("table tr").live({
mouseenter: function () {
},
mous...
Difference between pre-increment and post-increment in a loop?
Is there a difference in ++i and i++ in a for loop? Is it simply a syntax thing?
22 Answers
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How can I negate the return-value of a process?
...at negates the value a process returns. It should map 0 to some value != 0 and any value != 0 to 0, i.e. the following command should return "yes, nonexistingpath doesn't exist":
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How do I reset a sequence in Oracle?
...any sequence to 0 from Oracle guru Tom Kyte. Great discussion on the pros and cons in the links below too.
tkyte@TKYTE901.US.ORACLE.COM>
create or replace
procedure reset_seq( p_seq_name in varchar2 )
is
l_val number;
begin
execute immediate
'select ' || p_seq_name || '.nextval fro...
Why is Thread.Sleep so harmful
...it mentioned that Thread.Sleep(); should not be used, but I can't understand why this is so. If Thread.Sleep(); can cause trouble, are there any alternative solutions with the same result that would be safe?
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