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How do I remove repeated elements from ArrayList?
...a Collection that allows duplicates. The easiest way to remove repeated elements is to add the contents to a Set (which will not allow duplicates) and then add the Set back to the ArrayList:
Set<String> set = new HashSet<>(yourList);
yourList.clear();
yourList.addAll(set);
Of course, ...
How to save a PNG image server-side, from a base64 data string
...code(preg_replace('#^data:image/\w+;base64,#i', '', $data));
An efficient method for extracting, decoding, and checking for errors is:
if (preg_match('/^data:image\/(\w+);base64,/', $data, $type)) {
$data = substr($data, strpos($data, ',') + 1);
$type = strtolower($type[1]); // jpg, png, gi...
HTML in string resource?
...ll and getString() will return your actual HTML. Like such:
<string name="foo"><![CDATA[Foo Bar <a href="foo?id=%s">baz</a> is cool]]></string>
Now when you perform a getString(R.string.foo) the string will be HTML. If you need to render the HTML (with the link as s...
Using an image caption in Markdown Jekyll
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If you don't want to use any plugins (which means you can push it to GitHub directly without generating the site first), you can create a new file named image.html in _includes:
<figure class="image">
<img src="{{ include.url }}" alt="{{ include.description...
(HTML) Download a PDF file instead of opening them in browser when clicked
...instead of opening them in the browser? How is this done in html? (I'd assume it's done via javascript or something).
13 A...
Is LINQ to SQL Dead or Alive?
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1) They can't "kill" Linq-to-SQL as it is already part of the .net framework. What they can do is stop adding features to it. That doesn't prevent the thousands of developers out there that are already using L2S from extending it and improving it. Some core areas are tricky to touch but they're...
How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
Can someone tell me how to detect if "specialword" appears in an array? Example:
5 Answers
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What is the difference between String.slice and String.substring?
Does anyone know what the difference is between these two methods?
8 Answers
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contenteditable change events
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I'd suggest attaching listeners to key events fired by the editable element, though you need to be aware that keydown and keypress events are fired before the content itself is changed. This won't cover every possible means of changing the content: the user can also use cut, copy and paste from ...
How to enable external request in IIS Express?
... Is there a netsh command to allow connections on any hostname?
– Colonel Panic
Apr 3 '13 at 13:24
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