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UIView's frame, bounds, center, origin, when to use what?
...trol.
center - this is the property you will likely focus on for sprite based games and animations where movement or scaling may occur. By default animation and rotation will be based on the center of the UIView. It rarely makes sense to try and manage such objects by the frame property.
bound...
What is the difference between a map and a dictionary?
...e to query "is C present?".
The Computing Science notion of map though is based on the mathematical linguistic term mapping, which the Oxford Dictionary defines as:
mapping An operation that associates each element of a given set (the domain) with one or more elements of a second set (the range).
...
Why does integer division in C# return an integer and not a float?
... result every time. One example off of the top of my head is changing the base of a number. Calculating each digit involves the integer division of a number along with the remainder, rather than the floating point division of the number.
Because of these (and other related) reasons, integer divis...
Is there a cross-domain iframe height auto-resizer that works?
...ing it for iframe resizing:
http://easyxdm.net/wp/2010/03/17/resize-iframe-based-on-content/
http://kinsey.no/blog/index.php/2010/02/19/resizing-iframes-using-easyxdm/
Easy XDM works by using PostMessage on modern browsers and a Flash based solution as fallback for older browsers.
See also this thre...
Check a radio button with javascript
... that's what most people need to select a group of radios by name and then based on value check one of them.
– Ndm Gjr
Apr 11 '19 at 23:57
...
What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
...r for something which is an "int"). You can populate ModelState more fully based on whatever validation system you're using.
The sample DataAnnotations model binder will fill model state with validation errors taken from the DataAnnotations attributes on your model.
...
Difference between ActionBarSherlock and ActionBar Compatibility
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An additional config was necessary on sherlock app:
<style name="AppBaseTheme" parent="Theme.Sherlock.Light.DarkActionBar">
UPDATE:
as @rudy-s said, with newest android support library (api 18), I saw they already have built-in support for actionbar (called ActionBarCompat class).
...
Is it a good idea to use Google Guava library for Android development?
... Here is a list of features I'm very interested in: immutable collections, base utils, collection extensions, functional programming sugar and idioms ( common.collect and common.base ), primitives utilities ( common.primitives ), hashing utilities ( common.hash ), concurrent utils (futures and As...
Specify an SSH key for git push for a given domain
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One Unix based systems (Linux, BSD, Mac OS X), the default identity is stored in the directory $HOME/.ssh, in 2 files:
private key: $HOME/.ssh/id_rsa
public key: $HOME/.ssh/id_rsa.pub
When you use ssh without option -i, it uses the...
Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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If you need the full models, try the following (based on @newUserNameHere's answer).
User.where(email: User.select(:email).group(:email).having("count(*) > 1").select(:email))
This will return the rows where the email address of the row is not unique.
I'm not aware ...