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What is the purpose of the HTML “no-js” class?
... Since Modernizr replaces "no-js" with "js", you can use this as a way to do the equivalent of an if/else statement in your CSS code. For example, .myclass { /* CSS code for all versions of your page goes here */ }, .js .myclass { /* This CSS code will only show up if JS is enabled */ } and .no-js ...
Skip List vs. Binary Search Tree
...nt tree implementations. I'll summarize their findings. It's worth it to download the pdf as it has some very informative graphs on pages 50, 53, and 54.
Locking skip lists are insanely fast. They scale incredibly well with the number of concurrent accesses. This is what makes skip lists speci...
Migrating from JSF 1.2 to JSF 2.0
... to Facelets 2.0 = Little effort.
JSP 2.x to Facelets 2.0 = Lot of effort. Double this if you also have custom components.
Basic changes
Regardless of the view technology switch, at least the following steps should be done:
Remove JSF 1.2 JAR's from /WEB-INF/lib (if any).
Drop JSF 2.0 JAR's i...
Places where JavaBeans are used?
What is a JavaBean and why do I need it? Since I can create all apps with the class and interface structure? Why do I need beans? And can you give me some examples where beans are essential instead of classes and interfaces?
...
How to get cumulative sum
...nal to the square of the number of rows. SQL Server 2012 allows this to be done much more efficiently.
– Martin Smith
May 18 '13 at 19:57
3
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jQuery on window resize
...x;
left: 0px;
/* more styles */
}
}
javascript
window.onresize = function() {
if (window.innerHeight >= 820) { /* ... */ }
if (window.innerWidth <= 1280) { /* ... */ }
}
jQuery
$(window).on('resize', function(){
var win = $(this); //this = window
...
Mongoose (mongodb) batch insert?
Does Mongoose v3.6+ support batch inserts now? I've searched for a few minutes but anything matching this query is a couple of years old and the answer was an unequivocal no.
...
jQuery 'input' event
...
It's not quite an alias for keyup because keyup will fire even if the key does nothing (for example: pressing and then releasing the Control key will trigger a keyup event).
A good way to think about it is like this: it's an event that triggers whenever the input changes. This includes -- but is n...
How to hide first section header in UITableView (grouped style)
...m answering my own question.
Since 0 as the first section header's height doesn't work, I return 1. Then I use the contentInset to hide that height underneath the navigation bar.
Objective-C:
- (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
if (sect...
How can I validate a string to only allow alphanumeric characters in it?
...ize database names or something internal like that you will not care if it does not run in English-speaking country.
– Ognyan Dimitrov
Jul 3 '14 at 8:04
15
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