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Is there a way to instantiate a class by name in Java?
...ewInstance() method on this object:
Class<?> clazz = Class.forName("com.foo.MyClass");
Constructor<?> constructor = clazz.getConstructor(String.class, Integer.class);
Object instance = constructor.newInstance("stringparam", 42);
Both methods are known as reflection. You will typically...
Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
... edited May 23 '17 at 12:10
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answered Oct 31 '08 at 15:08
John RudyJohn Rudy
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Update parent scope variable in AngularJS
... but is there a way to update the parent scope variable? So far I have not come across any obvious solutions.
5 Answers
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Optimize Font Awesome for only used classes
I am using Font Awesome Sass file https://github.com/FortAwesome/Font-Awesome/blob/master/sass/font-awesome.sass to make it _font-awesome.sass so I can @import in my Sass project. I am also using http://middlemanapp.com/ to convert Sass to Css . Questions:
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Why is LINQ JOIN so much faster than linking with WHERE?
...se the DB knows how to perform a join. But it doesn't really make sense to compare it with the other approaches, since they work directly in memory (Linq to DataSet)
The query with multiple tables and a Where condition actually performs a cartesian product of all the tables, then filters the rows th...
How to set selected item of Spinner by value, not by position?
...Spinner, and it contains as one of its choices: "some value".
To find and compare the position of "some value" in the Spinner use this:
String compareValue = "some value";
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.select_state, android.R.layout.simple...
How to sort in mongoose?
...work, but .sort([['date', -1]]) will work. See this answer: stackoverflow.com/a/15081087/404699
– steampowered
Apr 30 '16 at 21:52
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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This solution works even in strictly POSIX-compliant shells and therefore also in bash; however, to take full advantage of "bashisms", see @paxdiablo's answer.
– mklement0
Apr 1 '14 at 3:52
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Why can lambdas be better optimized by the compiler than plain functions?
...tion) Nicolai Josuttis states that lambdas can be better optimized by the compiler than plain functions.
2 Answers
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How to get started with Windows 7 gadgets
...in the Sidebar anymore, and as such "dock/undock events" are now backwards-compatibility cludges that really shouldn't be used.
Best way to get started is probably to just tweak an existing gadget. There's an example gadget in the above link, or you could pick a different one out on your own.
Gad...