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Detecting Unsaved Changes
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edited Apr 6 '14 at 20:25
Dave Jarvis
27.6k3535 gold badges157157 silver badges281281 bronze badges
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What is the difference between a generative and a discriminative algorithm?
...simple example. Suppose you have the following data in the form (x,y):
(1,0), (1,0), (2,0), (2, 1)
p(x,y) is
y=0 y=1
-----------
x=1 | 1/2 0
x=2 | 1/4 1/4
p(y|x) is
y=0 y=1
-----------
x=1 | 1 0
x=2 | 1/2 1/2
If you take a few minutes to stare at those two...
How do I get the first n characters of a string without checking the size or going out of bounds?
...
Here's a neat solution:
String upToNCharacters = s.substring(0, Math.min(s.length(), n));
Opinion: while this solution is "neat", I think it is actually less readable than a solution that uses if / else in the obvious way. If the reader hasn't seen this trick, he/she has to think ...
How to split a comma-separated value to columns
...R(MAX)
)
AS
BEGIN
DECLARE @value NVARCHAR(MAX),
@pos INT = 0,
@len INT = 0
SET @string = CASE
WHEN RIGHT(@string, 1) != @delimiter
THEN @string + @delimiter
ELSE @string
END
WHILE CHARINDEX(@delimiter, @string, @p...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...here?
– Brad Rippe
May 12 '16 at 14:00
1
this might not be the case when multiple clients/servers...
Create a unique number with javascript time
...econd, and three digit millisecond. So it would look something like this: 20111104103912732 ... this would give enough certainty of a unique number for my purposes.
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How do I pass the value (not the reference) of a JS variable to a function? [duplicate]
...the let or const keywords to create a block-scoped variable:
for (let i = 0; i < results.length; i++) {
let marker = results[i];
google.maps.event.addListener(marker, 'click', () => change_selection(i));
}
In older browsers, you need to create a separate scope that saves the variable ...
How to copy Java Collections list
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edited Dec 30 '13 at 16:22
pickypg
20k44 gold badges6464 silver badges7979 bronze badges
a...
How can I refresh a page with jQuery?
...
+50
Use location.reload():
$('#something').click(function() {
location.reload();
});
The reload() function takes an optional parame...
What are file descriptors, explained in simple terms?
...at file and store the information about that opened file. So if there are 100 files opened in your OS then there will be 100 entries in OS (somewhere in kernel). These entries are represented by integers like (...100, 101, 102....). This entry number is the file descriptor.
So it is just an integer ...
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