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Determine distance from the top of a div to top of window with javascript
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Vanilla:
window.addEventListener('scroll', function(ev) {
var someDiv = document.getElementById('someDiv');
var distanceToTop = someDiv.getBoundingClientRect().top;
console.log(distanceToTop);
});
Open your brows...
JOIN queries vs multiple queries
...ent keys, often databases (i.e. mysql) can only use one index per table, meaning maybe one of the joins will be fast (and use an index) whereas the others will be extremely slow. For multiple queries, you can optimize the indexes to use for each query.
– user151975
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
In my iOS 5 app, I have an NSString that contains a JSON string. I would like to deserialize that JSON string representation into a native NSDictionary object.
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JavaScript and Threads
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See http://caniuse.com/#search=worker for the most up-to-date support info.
The following was the state of support circa 2009.
The words you want to google for are JavaScript Worker Threads
Apart from from Gears there's nothing avai...
Chrome DevTools Devices does not detect device when plugged in
I cannot seem to get the DevTools Devices feature to work on my Samsung Galaxy S4 even after following the steps outlined at https://developers.google.com/chrome-developer-tools/docs/remote-debugging
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How can I programmatically generate keypress events in C#?
How can I programmatically create an event that would simulate a key being pressed on the keyboard?
5 Answers
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Rails: FATAL - Peer authentication failed for user (PG::Error)
I am running my development on Ubuntu 11.10, and RubyMine
8 Answers
8
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LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
I have the following generic extension method:
4 Answers
4
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When should one use final for method parameters and local variables?
...tip with the Save Action, didn't know about that.
– sanity
Sep 30 '08 at 19:09
1
I'm mainly consi...
git: Apply changes introduced by commit in one repo to another repo
...two clones of a gigantic remote git repository (to allow parallel work), meaning all of its history is already downloaded and stored twice in my HD. If I should also have to add each as a remote of the other, that would create yet two extra copies of the same history and would potentially require sy...