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How to install 2 Anacondas (Python 2 and 3) on Mac OS
...ach ipython notebook sets up another port (localhost:8888, localhost:8889, etc.). So just keep them straight and you're all set.
– alexis
May 1 '15 at 15:52
5
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How expensive is RTTI?
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if (typeid(a) == typeid(b)) {
B* ba = static_cast<B*>(&a);
etc;
}
instead of
B* ba = dynamic_cast<B*>(&a);
if (ba) {
etc;
}
The former involves only one comparison of std::type_info; the latter necessarily involves traversing an inheritance tree plus comparisons.
P...
Javascript roundoff number to nearest 0.5
...and for that i can only assign font size in pts to 1, 1.5 or 2 and onwards etc.
7 Answers
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Make EditText ReadOnly
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If you setEnabled(false) then your editText would look disabled (gray, etc). You may not want to change the visual aspect of your editor.
A less intrusive way would be to use setFocusable(false).
I believe that this answers your question closer to your initial intent.
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Get UIScrollView to scroll to the top
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UPDATE FOR iOS 7
[self.scrollView setContentOffset:
CGPointMake(0, -self.scrollView.contentInset.top) animated:YES];
ORIGINAL
[self.scrollView setContentOffset:CGPointZero animated:YES];
or if you want to preserve the horizontal scroll position and ju...
How to comment lines in rails html.erb files? [duplicate]
...in any mixed language Rails View file, e.g, *.html.erb, *.js.erb, *.rhtml, etc.
This should also work with STD OUT/printing code, e.g. <%#= f.label :title %>
DETAILS:
Rather than use rails brackets on each line and commenting in front of each starting bracket as we usually do like this:
&l...
Regular expression for a hexadecimal number?
..., depends on the flavor you need to use (php, javascript, python , golang, etc.).
This answer was taken from:http://ult-tex.net/info/perl/
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Generate table relationship diagram from existing schema (SQL Server) [closed]
...tool shows tables and references orthogonal, hierarchical, in a circle ;-) etc. just by pressing one single button. I use the free version for years now.
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Google fonts URL break HTML5 Validation on w3.org
...e special characters would need to be encoded by HTML rules (e.g. &amp etc). The user agent is then expected to follow RFC 3987 and convert the IRI to percent encoded UTF-8 before submitting it over HTTP (tools.ietf.org/html/rfc3987).
– Mikko Rantalainen
O...
Find if variable is divisible by 2
... There is so much that jQuery can do, like creating variables, functions, etc., that is still being done with raw JavaScript. Just unbelievable ;-)
– Anurag
May 13 '10 at 9:10
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