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What's the point of 'meta viewport user-scalable=no' in the Google Maps API
...e fact that there's no native browser zooming on pages with a viewport tag set like that. This allows them to get rid of the dreaded 300ms delay on touch events that the browser takes to wait and see if your single touch will end up being a double touch. (Think "single click" and "double click".) Ho...
Do you use source control for your database items? [closed]
...s, and I switch all of them to a particular branch (e.g. with a particular set of schema migrations), then I should be able to switch my database to that schema as well. Likewise, it should support merge and rebase operations. This technology is severely lacking. Entity framework has no support f...
Safest way to convert float to integer in python?
...s 53 ones (52 + implicit 1) in the case of doubles.
For this, we need to set the exponent, such that the decimal point will be shifted 52 places. If we were to increase the exponent by one, we cannot know the digit right to the left after the decimal point.
111(omitted)111x.
By convention, it's...
How to add a touch event to a UIView?
...recognizers. For example, this is how you would handle a tap event:
//The setup code (in viewDidLoad in your view controller)
UITapGestureRecognizer *singleFingerTap =
[[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(handleSingleTap:...
Signed versus Unsigned Integers
...me.
What do I mean by "native support"? Basically I mean that there are a set of instructions you use for unsigned numbers and another set that you use for signed numbers. Unsigned numbers can sit in the same registers as signed numbers, and indeed you can mix signed and unsigned instructions witho...
How to improve Netbeans performance?
...EA. I tried to double Xms, PermSize, switch garbage collector and add few settings and now Netbeans is alright! I add: Dsun.java2d.d3d=false -J-XX:+UseConcMarkSweepGC -J-XX:+CMSClassUnloadingEnabled -J-XX:+CMSPermGenSweepingEnabled. It depends. SSD is good, big RAM too, but that is not all for p...
How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
...are not already present, and completely ignore the fields that are already set (even if to another value).
There is no way to do that in a single command.
You have to query the document first, figure out what you want to $set and then update it (using the old values as a matching filter to make su...
Compile, Build or Archive problems with Xcode 4 (and dependencies)
...it is suggested you try quitting Xcode
first. This may save you hours of setting tweaking.
Check the "user header paths" are correct (Add "" to paths for spaces, both in your project and dependencies)
Set "Always search user paths" to YES
Create a group call "Indexing headers" in your project a...
How can I keep my fork in sync without adding a separate remote?
...
git remote set-url origin git@github.com:someone/foobar
git remote set-url origin --push git@github.com:me/foobar
There is one caveat though:
This is perfect if you are the only one making changes to your fork.
However, if it is share...
jQuery’s .bind() vs. .on()
...) { ... });
$('selector').live('click', function () { ... });
The second set of event handlers use event delegation and will work for dynamically added elements. Event handlers that use delegation are also much more performant. The first set will not work for dynamically added elements, and are mu...