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Convert ArrayList to String[] array [duplicate]
...ically retrieving the Object[] by .toArray() and then manually copying the contents over to a new String[], casting each element to a String. It's a bad approach and you should instead just pass the new String[] to .toArray()
– RAnders00
Jan 15 '16 at 15:07
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Is there a constraint that restricts my generic method to numeric types?
Can anyone tell me if there is a way with generics to limit a generic type argument T to only:
21 Answers
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How can I parse a YAML file from a Linux shell script?
... to transform the input tm>ex m>t into some output tm>ex m>t, internally storing the content into the data variable. The echo outputs a yaml tm>ex m>t, but you may use cat <yaml_filename> to pipe the content of a file instead.
– Rafael
Oct 14 '14 at 4:34
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How do I use arrays in C++?
C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, ...
How to create a jQuery plugin with methods?
...},// IS
hide : function( ) { },// GOOD
update : function( content ) { }// !!!
};
$.fn.tooltip = function(methodOrOptions) {
if ( methods[methodOrOptions] ) {
return methods[ methodOrOptions ].apply( this, Array.prototype.slice.call( arguments, 1 ));
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Read stream twice
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You can use org.apache.commons.io.IOUtils.copy to copy the contents of the InputStream to a byte array, and then repeatedly read from the byte array using a ByteArrayInputStream. E.g.:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
org.apache.commons.io.IOUtils.copy(in, b...
Link vs compile vs controller
...v ng-repeat="i in [0,1,2]">
<simple>
<div>Inner content</div>
</simple>
</div>
app.directive("simple", function(){
return {
restrict: "EA",
transclude:true,
template:"<div>{{label}}<div ng-transclude></div></div...
How to use concerns in Rails 4
...oject generator now creates the directory "concerns" under controllers and models. I have found some m>ex m>planations about how to use routing concerns, but nothing about controllers or models.
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Pass all variables from one shell script to another?
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Then:
$ ./a.sh
The message is: hello
This more or less "imports" the contents of b.sh directly and m>ex m>ecutes it in the same shell. Notice that we didn't have to m>ex m>port the variable to access it. This implicitly shares all the variables you have, as well as allows the other script to add/delete/...
What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
Ive got a bunch of rectangular objects which I need to pack into the smallest space possible (the dimensions of this space should be powers of two).
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