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How do you match only valid roman numerals with a regular expression?
...ing for empty lines first and don't bother matching them. If you are using word boundaries then you don't have a problem because there's no such thing as an empty word. (At least regex doesn't define one; don't start philosophising, I'm being pragmatic here!)
In my own particular (real world) cas...
How to print matched regex pattern using awk?
Using awk , I need to find a word in a file that matches a regex pattern.
8 Answers
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Does a finally block run even if you throw a new Exception?
...-finally block is [...] interrupted"? Perhaps that documentation is poorly worded, but Thread.interrupt() will not cause the finally block to be skipped, whether thrown from the try or the catch block. Does this use "interrupted" to mean something more violent, like Thread.stop()?
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Using LINQ to concatenate strings
...n as shown in the other answer
Use aggregate queries like this:
string[] words = { "one", "two", "three" };
var res = words.Aggregate(
"", // start with empty string to handle empty list case.
(current, next) => current + ", " + next);
Console.WriteLine(res);
This outputs:
, one, two, ...
Saving enum from select in Rails 4.1
... using titleize might be a better idea if you have two or more words
– Anwar
Aug 10 '15 at 4:46
8
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
...s got interpreted out of your comment ;) The second option would, in other words, be grep $(printf '\r'). But for most practical uses involving bash, I would stick with $'\r'.
– jankes
Nov 12 '12 at 15:53
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Remove CSS class from element with JavaScript (no jQuery) [duplicate]
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The use of the word boundary metacharacter \b is not suitable here, because the word boundary occurs also between a word character [A-Za-z0-9_] and the dash - character. Therefore a class name e.g. 'different-MyClass' would also be replaced...
Save and load MemoryStream to/from a file
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If file is opened in Microsoft Word - is there a way for creating a memory stream from that file? I am receiving an error 'file is opened by another process'
– FrenkyB
Dec 21 '13 at 6:17
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Error: free(): invalid next size (fast):
... of pointers such as int** or even void**
then you will need to consider word size (8 bytes in a 64-bit system, 4 bytes in a 32-bit system) when allocating space for n pointers. The size of a pointer is the same of your word size.
So while you may wish to allocate space for n pointers, you are a...
Create tap-able “links” in the NSAttributedString of a UILabel?
... link" attributes:nil];
NSRange linkRange = NSMakeRange(14, 4); // for the word "link" in the string above
NSDictionary *linkAttributes = @{ NSForegroundColorAttributeName : [UIColor colorWithRed:0.05 green:0.4 blue:0.65 alpha:1.0],
NSUnderlineStyleAttributeName : ...