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How to negate the whole regex?
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102
Use negative lookaround: (?!pattern)
Positive lookarounds can be used to assert that a patter...
Real world example about how to use property feature in python?
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10 Answers
10
Active
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Why doesn't C# support the return of references?
...with
int a = 123;
int b = 456;
ref int c = ref Max(ref a, ref b);
c += 100;
Console.WriteLine(b); // 556!
I know empirically that it is possible to build a version of C# that supports these features because I have done so. Advanced programmers, particularly people porting unmanaged C++ code, o...
Reformat XML in Visual Studio 2010
...there an easy way to reformat an XML file while viewing it Visual Studio 2010. For example, if you open a generated app.config file, it might look like:
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Is gcc 4.8 or earlier buggy about regular expressions?
...h C preprocessor defines:
#include <regex>
#if __cplusplus >= 201103L && \
(!defined(__GLIBCXX__) || (__cplusplus >= 201402L) || \
(defined(_GLIBCXX_REGEX_DFS_QUANTIFIERS_LIMIT) || \
defined(_GLIBCXX_REGEX_STATE_LIMIT) |...
curl_exec() always returns false
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edited Apr 28 '18 at 10:29
answered Nov 9 '12 at 15:44
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How to change webservice url endpoint?
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answered Mar 22 '10 at 8:59
Pascal ThiventPascal Thivent
524k126126 gold badges10121012 silver badges10991099 bronze badges
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Is there a difference between /\s/g and /\s+/g?
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10
In a match situation the first would return one match per whitespace, when the second would ret...
Why does int num = Integer.getInteger(“123”) throw NullPointerException?
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answered Jun 26 '10 at 9:18
polygenelubricantspolygenelubricants
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How can bcrypt have built-in salts?
...d in the database, a bcrypt "hash" might look something like this:
$2a$10$vI8aWBnW3fID.ZQ4/zo1G.q1lRps.9cGLcZEiGDMVr5yUP1KUOYTa
This is actually three fields, delimited by "$":
2a identifies the bcrypt algorithm version that was used.
10 is the cost factor; 210 iterations of the key derivati...