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Detecting when user scrolls to bottom of div with jQuery
... alert('end reached');
}
})
});
You may also add some extra margin pixels if you do not need a strict condition
var margin = 4
jQuery(function($) {
$('#flux').on('scroll', function() {
if(Math.round($(this).scrollTop() + $(this).innerHeight(), 10) >= Math.round(...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...performance problem to a function that was checking for the existence of a string in an array. So I ran some tests.
loaded 90,822 hosts
loading config took 0.087 seconds (array)
loading config took 0.152 seconds (object)
Loading 91k entries into an array (with validate & push) is faster than...
What is the preferred/idiomatic way to insert into a map?
... }
private:
std::vector<double> m_vec;
};
int main(int argc, char* argv[]) {
std::map<int,Widget> map_W;
ptime t1 = boost::posix_time::microsec_clock::local_time();
for(int it = 0; it < 10000;it++) {
map_W.insert(std::pair<int,Widget>(it,Widget...
Database: To delete or not to delete records
...e also have the option to display it to select users as well, without much extra work.
If you're not actively seeking to fully restore the data, but you'd still like to keep it around for monitoring (or similar) purposes. I would suggest that you figure out (to the extent possible of course) an agg...
Vim: insert the same characters across multiple lines
... text on every single line in a range you can easily skip them by pressing extra j's.
Note that for large number of contiguous additions, the block approach or macro will likely be superior.
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Apply a function to every row of a matrix or a data frame
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This takes a matrix and applies a (silly) function to each row. You pass extra arguments to the function as fourth, fifth, ... arguments to apply().
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How to generate a create table script for an existing table in phpmyadmin?
...you don't want them in the next step.
Step 4 (Optional), filter out those extra executional-condition tokens this way:
mysqldump --no-data --skip-comments --compact --host=your_database_hostname_or_ip.com -u your_username --password=your_password your_database_name penguins > penguins.sql
Whi...
Yellow fade effect with JQuery
... have tried in my code but does not do anything. Do I need to download any extra. It says dependencies: Effects Core. It is this another plugin.
– Sergio del Amo
May 11 '09 at 16:19
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”
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For me an extra step was needed: going to the properties of said project->java build path->libraries->select "JRE System Library", click Edit and select "Workspace default JRE"
– maayank
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Null check in an enhanced for loop
... Note that Collections.emptyList() will avoid allocating an extra object (IIRC).
– Jon Skeet
Feb 12 '10 at 6:31
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