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How to get hosting Activity from a view?
...xt = getContext();
while (context instanceof ContextWrapper) {
if (context instanceof Activity) {
return (Activity)context;
}
context = ((ContextWrapper)context).getBaseContext();
}
return null;
}
...
npm command to uninstall or prune unused packages in Node.js
...e.json.
From npm help prune:
This command removes "extraneous" packages. If a package name is provided, then only packages matching one of the supplied names are removed.
Extraneous packages are packages that are not listed on the parent package's dependencies list.
If the --production flag is spe...
How to format a phone number with jQuery
...
I've modified this to support 'change' events within input fields. jsfiddle.net/gUsUK
– Zach Shallbetter
May 29 '13 at 18:48
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Checking that a List is not empty in Hamcrest
I was wondering if anyone knew of a way to check if a List is empty using assertThat() and Matchers ?
5 Answers
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What's the difference between & and && in MATLAB?
What is the difference between the & and && logical operators in MATLAB?
7 Answers
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Can an int be null in Java?
...rException, despite object not being null!
To follow up on your question, if you want to indicate the absence of a value, I would investigate java.util.Optional<Integer>
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How to resize images proportionally / keeping the aspect ratio?
... var height = $(this).height(); // Current image height
// Check if the current width is larger than the max
if(width > maxWidth){
ratio = maxWidth / width; // get ratio for scaling image
$(this).css("width", maxWidth); // Set new width
$(th...
How to read attribute value from XmlNode in C#?
...alue;
Edit: As pointed out in the comments, this will throw an exception if the attribute doesn't exist. The safe way is:
var attribute = node.Attributes["Name"];
if (attribute != null){
string employeeName = attribute.Value;
// Process the value here
}
...
Make install, but not to default directories?
...own folder as opposed to the system's /usr/bin etc. is that possible? even if it references tools in the /usr/bin etc.?
7 ...
How to find the 'sizeof' (a pointer pointing to an array)?
... one mentioned by Zan, which is to stash the size somewhere. For example, if you're dynamically allocating the array, allocate a block one int bigger than the one you need, stash the size in the first int, and return ptr+1 as the pointer to the array. When you need the size, decrement the pointer ...