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Is it safe to push_back an element from the same vector?
...s problem (or something very similar to it) as a potential defect in the standard:
1) Parameters taken by const reference can be changed during execution
of the function
Examples:
Given std::vector v:
v.insert(v.begin(), v[2]);
v[2] can be changed by moving elements of vect...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
I was reading about JSF that its a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript.
...
What is the size limit of a post request?
...iguration file, like so:
#set max post size
php_value post_max_size 20M
And, yes, I can personally attest to the fact that this works :)
If you're using IIS, I don't have any idea how you'd set this particular value.
sha...
What is the difference between .map, .every, and .forEach?
...ay performing a given action for each item in the Array.
Read about these and the many other Array iteration methods at MDN.
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Mercurial (hg) commit only certain files
...
You can specify the files on the command line, as tonfa writes:
$ hg commit foo.c foo.h dir/
That just works and that's what I do all the time. You can also use the --include flag that you've found, and you can use it several times like this:
$ hg commit -I ...
fetch from origin with deleted remote branches?
When I do git fetch origin and origin has a deleted branch, it doesn't seem to update it in my repository. When I do git branch -r it still shows origin/DELETED_BRANCH .
...
What is the “-->” operator in C++?
After reading Hidden Features and Dark Corners of C++/STL on comp.lang.c++.moderated , I was completely surprised that the following snippet compiled and worked in both Visual Studio 2008 and G++ 4.4.
...
Linq code to select one item
...ion methods directly like:
var item = Items.First(i => i.Id == 123);
And if you don't want to throw an error if the list is empty, use FirstOrDefault which returns the default value for the element type (null for reference types):
var item = Items.FirstOrDefault(i => i.Id == 123);
if (ite...
How does Python manage int and long?
Does anybody know how Python manage internally int and long types?
9 Answers
9
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How to get hex color value rather than RGB value?
... is designed to cope with the format given by a browser when using jQuery, and this doesn't have the different white-space or captilisation consistencies you are talking about. You could also use the same regex and just remove all whitespaces and convert to lowercase before matching on rgb. P.S. You...