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iPhone UIView Animation Best Practice
...method is discouraged in iPhone OS 4.0 and later. You should use the block-based animation methods instead.
Eg of Block-based Animation based on Tom's Comment
[UIView transitionWithView:mysuperview
duration:0.75
options:UIViewAnimationTransitionFlipFromRight
...
Sort a Map by values
...arator implements Comparator<String> {
Map<String, Double> base;
public ValueComparator(Map<String, Double> base) {
this.base = base;
}
// Note: this comparator imposes orderings that are inconsistent with
// equals.
public int compare(String a, St...
Is it possible to include one CSS file in another?
...
Yes:
@import url("base.css");
Note:
The @import rule must precede all other rules (except @charset).
Additional @import statements require additional server requests. As an alternative, concatenate all CSS into one file to avoid multiple H...
How to explore web-based Google Play in another country?
...ssle.
If I had to implement a multinational service that provides content based on the location of the client I'd not try to obscure (as in security by obscurity) testing functionality by hiding it behind undocumented parameters. The cleaner and more obvious implementation of such a feature would b...
Rails - Validate Presence Of Association?
...Validations/ClassMethods/validates_presence_of
class A < ActiveRecord::Base
has_many :bs
validates_presence_of :bs
end
or just validates
http://apidock.com/rails/ActiveModel/Validations/ClassMethods/validates
class A < ActiveRecord::Base
has_many :bs
validates :bs, :presence => ...
Is there anyway to exclude artifacts inherited from a parent POM?
...mply not inherit from the parent in that case (and declare a dependency on base with the exclusion). Not handy if you have lot of stuff in the parent pom.
Another thing to test would be to declare the mail artifact with the version required by ALL-DEPS under the dependencyManagement in the parent po...
SQL update from one Table to another based on a ID match
I have a database with account numbers and card numbers . I match these to a file to update any card numbers to the account number, so that I am only working with account numbers.
...
What is the difference between Python and IPython?
...out of using Python, with:
Powerful Python shells (terminal and Qt-based).
A web-based notebook with the same core features but support for code, text, mathematical expressions, inline plots and other rich media.
Support for interactive data visualization and use of GUI toolkits.
Flexi...
JSP tricks to make templating easier?
...g like template inheritance ( Django style) or at least be able to have a base.jsp file containing the header and the footer, so I can insert content later.
...
How do iOS Push Notifications work?
...ples, see Registering to Receive Remote Notifications.
To establish HTTP/2-based TLS sessions with APNs, you must ensure that a GeoTrust Global CA root certificate is installed on each of your providers. If a provider is running macOS, this root certificate is in the keychain by default. On other sy...