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How to combine two jQuery results
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var $foos = $('.foo');
var $foosAndBars = $foos.add('.bar');
or
var $allFoosAndBars = $allFoos.add($allBars);
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Why do we declare Loggers static final?
...ic final Logger log = LoggerFactory.getLogger(Foo.class);
The former way allows you to use the same logger name (name of the actual class) in all classes throughout the inheritance hierarchy. So if Bar extends Foo, both will log to Bar logger. Some find it more intuitive.
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What is 'Context' on Android?
...ect. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application).
You can get the context by invoking getApplicationContext(), getContext(), getBaseContext() or this (when in a cl...
What are the undocumented features and limitations of the Windows FINDSTR command?
...utput
The documentation never bothers to explain the output of FINDSTR. It alludes to the fact that matching lines are printed, but nothing more.
The format of matching line output is as follows:
filename:lineNumber:lineOffset:text
where
fileName: = The name of the file containing the matching line....
What exactly is Hot Module Replacement in Webpack?
...g modules in a running application (and adding/removing modules). You basically can update changed modules without a full page reload.
Documentation
Prerequirements:
Using Plugins: https://webpack.js.org/concepts/plugins/
Code Splitting: https://webpack.js.org/guides/code-splitting/
webpack-dev-...
List of all index & index columns in SQL Server DB
How do I get a list of all index & index columns in SQL Server 2005+? The closest I could get is:
30 Answers
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How can I generate a list of files with their absolute path in Linux?
...te path to start with, it will print absolute paths. For instance, to find all .htaccess files in the current directory:
find "$(pwd)" -name .htaccess
or if your shell expands $PWD to the current directory:
find "$PWD" -name .htaccess
find simply prepends the path it was given to a relative pa...
Getting the IP address of the current machine using Java
... has the following effect: it sets the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields. This includes checking the existence of the route to the destination according to th...
How to make child process die after parent exits?
... child process. Now when the parent process exits for whatever reason (normally or abnormally, by kill, ^C, assert failure or anything else) I want the child process to die. How to do that correctly?
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Is ServiceLocator an anti-pattern?
...re it does not fit, then YES it's an anti pattern. But with that reasoning all patterns would also be anti patterns.
Instead we have to look if there are valid usages of the patterns, and for Service Locator there are several use cases. But let's start by looking at the examples that you have given....