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Constructors vs Factory Methods [closed]
...ifferent from GoF design pattern - Factory Method Pattern. stackoverflow.com/questions/929021/…
– Sree Rama
Dec 15 '13 at 11:59
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How to lay out Views in RelativeLayout programmatically?
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Aren't Python strings immutable? Then why does a + “ ” + b work?
... like to understand the internals a bit more, see my answer. stackoverflow.com/a/40702094/117471
– Bruno Bronosky
Jan 9 '18 at 21:24
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How do I tell if a regular file does not exist in Bash?
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The test command ([ here) has a "not" logical operator which is the exclamation point (similar to many other languages). Try this:
if [ ! -f /tmp/foo.txt ]; then
echo "File not found!"
fi
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How to copy a collection from one database to another in MongoDB
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At the moment there is no command in MongoDB that would do this. Please note the JIRA ticket with related feature request.
You could do something like:
db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_database>')['&...
How to get input type using jquery?
...browsers to optimize the search for a radio input.
EDIT Feb 1, 2013 per comment re: select elements
@dariomac
$('select').prop("type");
will return either "select-one" or "select-multiple" depending upon the "multiple" attribute and
$('select')[0].type
returns the same for the first sele...
Java Name Hiding: The Hard Way
...s (though that might be a good idea…), and
not requiring the overhead or complexity of working with the reflection API.
The downside is that this code is really horrible! For me, it generates a warning, and that's a good thing in general. But since it's working around a problem that is otherwise...
How do I make a WinForms app go Full Screen
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@Preza8 - read Grady's comment, check if that applies to your situation.
– Henk Holterman
Aug 2 '13 at 20:08
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How do I create a file and write to it in Java?
...cute your program from. For example, if you execute your program from the command line, then the working directory will be whatever directory you are "in" at that moment (on Linux, type "pwd" to see the current working directory). Or, if I double-click a JAR file on my desktop to run it, then the ...
Computed read-only property vs function in Swift
...ons (or methods) when actual work is being done. Maybe something has to be computed or read from disk or from a database: In this case I use a function, even when only a simple value is returned. That way I can easily see whether a call is cheap (properties) or possibly expensive (functions).
We w...