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Extract a substring from a string in Ruby using a regular expression
...string>"[/.*<([^>]*)/,1]
=> "substring"
No need to use scan, if we need only one result.
No need to use Python's match, when we have Ruby's String[regexp,#].
See: http://ruby-doc.org/core/String.html#method-i-5B-5D
Note: str[regexp, capture] → new_str or nil
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What are POD types in C++?
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There's a difference. Intrinsic types are the "builtin" language primitives. POD types are these, plus aggregations of these (and other PODs).
– Adam Wright
Sep 28 '08 at 18:44
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How do I test for an empty string in a Bash case statement?
...er.txt
echo "--" >> finder.txt
;;
esac
done
more finder.txt
If I am searching for a subroutine that exists in one or two files in a filesystem containing dozens of cgi files I enter the search term, e.g. 'ssn_format'. bash gives me back the results in a text file (finder.txt) that loo...
Count cells that contain any text
...as its not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
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What does an Asterisk (*) do in a CSS selector?
... it will select all elements within that portion of the DOM.
For example, if I want apply margin to every element on my entire page you can use:
* {
margin: 10px;
}
You can also use this within sub-selections, for example the following would add a margin to all elements within a paragraph ta...
Controlling the screenshot in the iOS 7 multitasking switcher
... any sensitive user information, such as passwords or credit card numbers. If your interface contains such information, remove it from your views when entering the background. Also, dismiss alerts, temporary interfaces, and system view controllers that obscure your app’s content. The snapshot repr...
C++ template constructor
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There is no way to explicitly specify the template arguments when calling a constructor template, so they have to be deduced through argument deduction. This is because if you say:
Foo<int> f = Foo<int>();
The <int> is the template argum...
ASP.NET Bundles how to disable minification
...ug="true" in both my web.config(s) , and I just don't want my bundles minified, but nothing I do seems to disable it. I've tried enableoptimisations=false , here is my code:
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Set background color of WPF Textbox in C# code
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If we want to set a hex value to the color attribute , how it can be done??
– Sauron
Mar 4 '10 at 11:40
1...
JsonMappingException: out of START_ARRAY token
...e problem I had, but it crazy since in jackson 2.6.3v there was a totally different crazy error, and with 2.9.8v everything worked. Damn it, so these serialization errors are so annoying.
– brebDev
Mar 13 '19 at 14:49
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