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Using Java to find substring of a bigger string using Regular Expression
... specifically *?. You're going to probably want the following:
Pattern MY_PATTERN = Pattern.compile("\\[(.*?)\\]");
This will give you a pattern that will match your string and put the text within the square brackets in the first group. Have a look at the Pattern API Documentation for more info...
Case-insensitive string comparison in C++ [closed]
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Take advantage of the standard char_traits. Recall that a std::string is in fact a typedef for std::basic_string<char>, or more explicitly, std::basic_string<char, std::char_traits<char> >. The char_traits type describes how characters compar...
Correct way to close nested streams and writers in Java [duplicate]
...hingies to close when finished
private List<Closeable> closeables_ = new LinkedList<Closeable>();
// give the implementer a way to track things to close
// assumes this is called in order for nested closeables,
// inner-most to outer-most
protected final <T extend...
How do you set the startup page for debugging in an ASP.NET MVC application?
How do you start debugging the application at the application root? For example: http://localhost:49742/
6 Answers
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Linear Regression and group by in R
...eturn a data frame
ldply(models, coef)
# Print the summary of each model
l_ply(models, summary, .print = TRUE)
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How to read environment variables in Scala
...t in Play2 and Akka) then you can use
foo = "default value"
foo = ${?VAR_NAME}
syntax to override foo if an environment variable VAR_NAME exist.
More details in https://github.com/typesafehub/config#optional-system-or-env-variable-overrides
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
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Validate that a string is a positive integer
...lly big numbers, this will go to scientific notation, which may break this approach. (I don't quite know where the split is, the details are in the spec, but for whole numbers I believe it's at the point you've exceeded 21 digits [by which time the number has become very imprecise, as IEEE-754 doubl...
“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
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IE10 renders old web apps well with IE=8 (YMMV), however IE11 emulation of IE8 breaks. This UA: content="IE=8; IE=11" gives browser mode IE10 Compat Document mode IE8 standards in IE10, and Document mode edge in IE11. One of the issues with IE10...
How to find the array index with a value?
... edited Jun 24 '19 at 15:08
vba_user111
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answered Sep 8 '11 at 10:49
voig...