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Should I avoid 'async void' event handlers?
I know it is considered generally a bad idea to use fire-and-forget async void methods to start tasks, because there is no track of the pending task and it is tricky to handle exceptions which might be thrown inside such a method.
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How do I declare an array of weak references in Swift?
...gt;.weakObjects()
NSHashTable Class Reference
Available in OS X v10.5 and later.
Available in iOS 6.0 and later.
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Reading file contents on the client-side in javascript in various browsers
...ince I originally wrote this answer, the File API has been proposed as a standard and implemented in most browsers (as of IE 10, which added support for FileReader API described here, though not yet the File API). The API is a bit more complicated than the older Mozilla API, as it is designed to sup...
Stop execution of Ruby script
...says in the other answer, use abort to specify a failed end to the script, and exit for a successful end.
– Jrgns
Jul 1 '14 at 6:04
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Is there any way to view the currently mapped keys in Vim?
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You can do that with the :map command. There are also other variants.
:nmap for normal mode mappings
:vmap for visual mode mappings
:imap for insert mode mappings
The above list is not complete. Typing :help map in Vim will give you more info.
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npm not working after clearing cache
...m was at version 1.3.8 as mentioned in the question. However, in npm 2.8.3 and npm 3.3.0, "clear" is a silent alias for "clean", so it would do the same thing.
– Mark Stosberg
Aug 20 '15 at 19:59
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How to get multiple select box values using jQuery?
...f the selected values:
var selectedValues = $('#multipleSelect').val();
and in your html:
<select id="multipleSelect" multiple="multiple">
<option value="1">Text 1</option>
<option value="2">Text 2</option>
<option value="3">Text 3</option>
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YouTube Video Embedded via iframe Ignoring z-index?
... I stumbled upon a similar solution at manisheriar.com/blog/flash_objects_and_z_index The key seems to be using both name="wmode" value="transparent" on a <param> and wmode="transparent" on the <embed>. As I suspected, it's not an iframe issue. It seems to be an issue with Flash want...
Can an input field have two labels?
Mary had a little form, and its fields where labeled just so.
Whenever an error crept in, confusion it would sow.
3 Answers...
Command to get nth line of STDOUT
Is there any bash command that will let you get the nth line of STDOUT?
13 Answers
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