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Why does one use dependency injection?
... point: Often your classes depend on each other. E.g. you could have a Database class which accesses your database (hah, surprise! ;-)), but you also want this class to do logging about accessing the database. Suppose you have another class Logger, then Database has a dependency to Logger.
So far, ...
How to use a servlet filter in Java to change an incoming servlet request url?
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A simple JSF Url Prettyfier filter based in the steps of BalusC's answer. The filter forwards all the requests starting with the /ui path (supposing you've got all your xhtml files stored there) to the same path, but adding the xhtml suffix.
public class UrlP...
How can I list the contents of a directory in Python?
...print("{} is biiiig".format(dentry.name))
(read an extensive performance-based answer of mine here)
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How can I implode an array while skipping empty array items?
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Based on what I can find, I'd say chances are, there isn't really any way to use a PHP built in for that. But you could probably do something along the lines of this:
function implode_skip_empty($glue,$arr) {
$ret = ""...
Eclipse Workspaces: What for and why?
...perspectives ctr) then initiate separate workspace(s) could be appropriate based on development habits or possible language/frameworks "behaviors".
DLTK for examples is a beast that should be contained in a separate cage.
Lots of complains at forums for it stopped working (properly or not at all) a...
Back to previous page with header( “Location: ” ); in PHP
...I provide three other solutions I would turn to instead of the redirection based on HTTP_REFERER.
– Dimitry
Mar 13 '11 at 16:00
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How do I set default terminal to terminator? [closed]
...ake terminator the default program. You could also use dconf-editor (a GUI-based tool) to make changes to the dconf, as another answer has suggested. If you would like to learn and understand more about this topic, this may help you.
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Visual Studio 2005/2012: How to keep first curly brace on same line?
...> Text Editor -> [The language you want to change]
UPDATE: This was based on the book "Framework Design Guidelines" written by some of the core-people from the .NET-team. If you look at the source-code for the likes of ASP.NET MVC, this is no longer accurate.
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Calling a method every x minutes
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I based this on @asawyer's answer. He doesn't seem to get a compile error, but some of us do. Here is a version which the C# compiler in Visual Studio 2010 will accept.
var timer = new System.Threading.Timer(
e => MyMet...
A KeyValuePair in Java [duplicate]
... Better use AbstractMap.SimpleEntry / AbstractMap.SimpleImmutableEntry as base for your own, domain-specific class, to be OO. In the simplemost case, it is just giving a new name to class and the two elements.
– foo
Jun 29 '17 at 17:48
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