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What is the difference between Builder Design pattern and Factory Design pattern?
...POJO creation for domain objects, whereas factory is useful for creating a service objects like PdfGeneratorFactory class. The service object could be cached within factory for more than 1 time use, whereas builder always creates a new object by design.
– saurabh.in
...
How to get screen dimensions as pixels in Android
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If you're not in an Activity you can get the default Display via WINDOW_SERVICE:
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
If you are in a fragment and want to acomplish this just use Activity.WindowManager (i...
How do I sort a list by different parameters at different timed
...ngle instances of comparators, either in your Person class itself, or in a Service class associated to your need.
Examples, using anonymous inner classes:
public static final Comparator<Person> NAME_ASC_ADRESS_DESC
= new Comparator<Person>() {
public int compare(Person p1...
Should I use Vagrant or Docker for creating an isolated environment? [closed]
...sn't a fair comparison in most cases.
Vagrant launches things to run apps/services for the purpose of development. This can be on VirtualBox, VMware. It can be remote like AWS, OpenStack. Within those, if you use containers, Vagrant doesn't care, and embraces that: it can automatically install, pul...
Trouble comparing time with RSpec
...chive. I usually use it in composed Ruby Objects similar to this:
class MyService
attr_reader :time_evaluator, resource
def initialize(resource:, time_evaluator: ->{Time.now})
@time_evaluator = time_evaluator
@resource = resource
end
def call
# do some complex logic
res...
Accessing attributes from an AngularJS directive
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URL is now changed to docs.angularjs.org/api/ng/service/$compile#Attributes
– bhatiaravi
Mar 25 '14 at 12:49
add a comment
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Convert a list of data frames into one data frame
... x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1
> packageVersion("plyr")
[1] ‘1.8.4’
> packageVersion("dplyr")
[1] ‘0.5.0’
> packageVersion("data.table")
[1] ‘1.9.6’
UPDATE:
Rerun 31-Jan-2018. Ran on the same computer. New versions...
What is the difference between IQueryable and IEnumerable?
... out-of memory things like a remote data source, such as a database or web service.
Query execution:
Where the execution of a query is going to be performed "in process", typically all that's required is the code (as code) to execute each part of the query.
Where the execution will be performed o...
Where to place JavaScript in an HTML file?
...and no sooner.
Also, depending on your users' physical location, using a service like Amazon's S3 service may help users download it from a server physically closer to them than your server.
Is your js script a commonly used lib like jQuery or prototype? If so, there are a number of companies, li...
Visual studio long compilation when replacing int with double
...Easy to see in Task Manager's Processes tab.
This is the Windows Defender service, the one that actually performs the malware scans. Disabling it by unticking the "Turn on real-time protection" option instantly fixes the delay. So does adding the path where I store projects to the "Excluded file ...