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How can I determine the direction of a jQuery scroll event?
...= 0;
$(window).scroll(function(event){
var st = $(this).scrollTop();
if (st > lastScrollTop){
// downscroll code
} else {
// upscroll code
}
lastScrollTop = st;
});
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How can I safely create a nested directory?
What is the most elegant way to check if the directory a file is going to be written to exists, and if not, create the directory using Python? Here is what I tried:
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WebDriver: check if an element exists? [duplicate]
How to check if an element exist with web driver?
10 Answers
10
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Checking if an object is null in C#
I would like to prevent further processing on an object if it is null.
17 Answers
17
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How to read if a checkbox is checked in PHP?
How to read if a checkbox is checked in PHP?
18 Answers
18
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How to drop a table if it exists?
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Is it correct to do the following?
IF EXISTS(SELECT *
FROM dbo.Scores)
DROP TABLE dbo.Scores
No. That will drop the table only if it contains any rows (and will raise an error if the table does not exist).
Instead, for a permanent table you ...
#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular s
...ter of style, but there's a bit of a divide in our dev team and I wondered if anyone else had any ideas on the matter...
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Short form for Java if statement
I know there is a way for writing a Java if statement in short form.
15 Answers
15
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How to check if element has any children in Javascript?
...ve an element which I am grabbing via .getElementById () . How do I check if it has any children?
8 Answers
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'IF' in 'SELECT' statement - choose output value based on column values
I need amount to be amount if report.type='P' and -amount if report.type='N' . How do I add this to the above query?
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