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Match whole string
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Use the start and end delimiters: ^abc$
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How to know which version of Symfony I have?
I know that I have downloaded a Symfony2 project and started with but I have updated my vendor several times and I want to know which version of symfony I have
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Python Regex instantly replace groups
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Way more clear than the doc! Did not understand how group was working with this one. They should add such example.
– Y0da
Apr 26 '18 at 21:46
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Can you avoid Gson converting “” into unicode escape sequences?
...'s on by default. JSON has nothing to do with HTML. The spec states only " and `\` need to be escaped.
– Mark Jeronimus
Feb 16 '17 at 10:41
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Difference between a virtual function and a pure virtual function [duplicate]
What is the difference between a pure virtual function and a virtual function?
4 Answers
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How to make the python interpreter correctly handle non-ASCII characters in string operations?
...lso fail if s is not a unicode string.
string.replace returns a new string and does not edit in place, so make sure you're using the return value as well
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string to string array conversion in java
...ff on your assignment, String.split splits strings on a regular expression and this expression may be an empty string:
String[] ary = "abc".split("");
Yields the array:
(java.lang.String[]) [, a, b, c]
Getting rid of the empty 1st entry is left as an exercise for the reader :-)
Note: In Java 8, th...
Twitter Bootstrap - how to center elements horizontally or vertically
...ike:
class="text-center"
class="pagination-centered"
thanks to @Henning and @trejder
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
...C++11 you can use std::distance in place of subtraction for both iterators and pointers:
ptrdiff_t pos = distance(Names.begin(), find(Names.begin(), Names.end(), old_name_));
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Why java.util.Optional is not Serializable, how to serialize the object with such fields
...The short answer is that the Java Lambda (JSR-335) expert group considered and rejected it. That note, and this one and this one indicate that the primary design goal for Optional is to be used as the return value of functions when a return value might be absent. The intent is that the caller immedi...