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Practical use of `stackalloc` keyword
...e arrays down, it's faster to allocate than a heap array, an it is automatically freed on method exit (heap allocated arrays are only deallocated when GC runs). Also by using stackalloc instead of a native allocator (like malloc or the .Net equivalent) you also gain speed and automatic deallocation ...
Get “Value” property in IGrouping
...
The group implements IEnumerable<T> - In the general case, just call foreach over the group. In this case, since you need a List<T>:
list.Add(new DespatchGroup(group.Key, group.ToList());
share
|
...
Redirect using AngularJS
...stion, but with this information the best that I can think is that you are calling the $location.path outside of the AngularJS digest.
Try doing this on the directive scope.$apply(function() { $location.path("/route"); });
...
Difference between knockout View Models declared as object literals vs functions
...computed observable can be bound to the appropriate value of this, even if called from a different scope.
With an object literal, you would have to do:
var viewModel = {
first: ko.observable("Bob"),
last: ko.observable("Smith"),
};
viewModel.full = ko.computed(function() {
return this.fi...
XmlSerializer: remove unnecessary xsi and xsd namespaces
...re.
});
}
// If you have other constructors, make sure to call the default constructor.
public MyTypeWithNamespaces(string label, int epoch) : this( )
{
this._label = label;
this._epoch = epoch;
}
// An element with a declared namespace different tha...
How do you share constants in NodeJS modules?
...
Technically, const is not part of the ECMAScript specification. Also, using the "CommonJS Module" pattern you've noted, you can change the value of that "constant" since it's now just an object property. (not sure if that'll cascad...
How to find out which fonts are referenced and which are embedded in a PDF document
... has a font reporter, available as a command-line utility or via a library call. If you run "listfont.pl file.pdf" you get output like this:
Page 1:
Name: F1.0
Type: TrueType
BaseFont: NZUXSR+Impact
Encoding: MacRomanEncoding
Widths: yes
Characters: 0-255
Embedded: yes
...
Find unused npm packages in package.json
...
You can use an npm module called depcheck (requires at least version 10 of Node).
Install the module:
npm install depcheck -g
or
yarn global add depcheck
Run it and find the unused dependencies:
depcheck
The good thing about this approach is...
Accessing items in an collections.OrderedDict by index
...eturn an iterable dict view object rather than a list. We need to wrap the call onto a list in order to make the indexing possible
>>> items = list(d.items())
>>> items
[('foo', 'python'), ('bar', 'spam')]
>>> items[0]
('foo', 'python')
>>> items[1]
('bar', 'spam...
Permission denied on accessing host directory in Docker
...ect Atomic blog post about Volumes and SELinux for the full story.
Specifically:
This got easier recently since Docker finally merged a patch which
will be showing up in docker-1.7 (We have been carrying the patch in
docker-1.6 on RHEL, CentOS, and Fedora).
This patch adds support for ...