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Java RegEx meta character (.) and ordinary dot?
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Solutions proposed by the other members don't work for me.
But I found this :
to escape a dot in java regexp write [.]
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How can I increment a char?
... it's very useful to me to be able to do increment chars, and index arrays by chars.
6 Answers
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Is Java RegEx case-insensitive?
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You can also match case insensitive regexs and make it more readable by using the Pattern.CASE_INSENSITIVE constant like:
Pattern mypattern = Pattern.compile(MYREGEX, Pattern.CASE_INSENSITIVE);
Matcher mymatcher= mypattern.matcher(mystring);
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AngularJS directive with default options
...set of default options for my (element) directive, which can be overridden by specifying the option value in an attribute.
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Select something that has more/less than x character
...owever, because the index might not be very selective for your condition. By this I mean the following: you're asking for rows where the name's length is more than 4. Let's assume that 80% of the employee names in that table are longer than 4. Well, then the database is likely going to conclude (...
Call static method with reflection
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You could really, really, really optimize your code a lot by paying the price of creating the delegate only once (there's also no need to instantiate the class to call an static method). I've done something very similar, and I just cache a delegate to the "Run" method with the help ...
How to generate service reference with only physical wsdl file
...and look at the top. If you see lines that have an import in them followed by a schemaLocation that points to an xsd path, you'll need those xsd files as well.
– Lynn Crumbling
Oct 3 '12 at 14:44
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How to parse XML to R data frame
... answer. If anybody else stumbles across it, here's the link to a tutorial by Hadley on using xml2: blog.rstudio.com/2015/04/21/xml2
– Richard Erickson
Feb 1 '18 at 15:30
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Do I need to manually close an ifstream?
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No, this is done automatically by the ifstream destructor. The only reason you should call it manually, is because the fstream instance has a big scope, for example if it is a member variable of a long living class instance.
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What is the most efficient way to store tags in a database?
... tagname.
For displaying a list of tags, you simply use DISTINCT or GROUP BY, and of course you can count how many times a tag is used easily, too.
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