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Calling a Method From a String With the Method's Name in Ruby
... module function
FileUtils.send('pwd')
# or
FileUtils.public_send(:pwd)
and a locally defined method
def load()
puts "load() function was executed."
end
send('load')
# or
public_send('load')
Documentation:
Object#public_send
Object#send
...
Working with select using AngularJS's ng-options
...gularJS actually allows you to select entire objects with select controls, and not just primitive types. For example:
app.controller('MainCtrl', function($scope) {
$scope.items = [
{ id: 1, name: 'foo' },
{ id: 2, name: 'bar' },
{ id: 3, name: 'blah' }
];
});
<div ng-contr...
How can I get `find` to ignore .svn directories?
I often use the find command to search through source code, delete files, whatever. Annoyingly, because Subversion stores duplicates of each file in its .svn/text-base/ directories my simple searches end up getting lots of duplicate results. For example, I want to recursively search for uint i...
How do I erase an element from std::vector by index?
I have a std::vector, and I want to delete the n'th element. How do I do that?
15 Answers
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
I'm working on a Smartphone / Tablet app, using only one APK, and loading resources as is needed depending on screen size, the best design choice seemed to be using Fragments via the ACL.
...
how to delete all cookies of my website in php
...ferent domain settings. One of them will make it into the $_COOKIE array, and the other won't. But they will both be visible in HTTP_COOKIE. If you want to clean this situation up, this is the way to do it.
– dlo
Jun 10 '15 at 13:08
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Best programming based games [closed]
...e themselves around the arena, look for opponents in different directions, and fire some sort of weapon. Pretty basic stuff, but I remember it quite fondly, even if I can't remember the name.
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Metadata file … could not be found error when building projects
...t, so no dll files existed from previou successfull builds. Fix the errors and make sure a referenced project builds correctly.
– Moulde
Jan 30 '13 at 9:29
9
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How to join two sets in one line without using “|”
Assume that S and T are assigned sets. Without using the join operator | , how can I find the union of the two sets? This, for example, finds the intersection:
...
How to have conditional elements and keep DRY with Facebook React's JSX?
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Just leave banner as being undefined and it does not get included.
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