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What's wrong with Groovy multi-line String?
...n()
the stripMargin method will trim the left (up to and including the | char) from each line
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Regex to remove all (non numeric OR period)
... What about joe.smith ($3,004.50)? Simply removing offending character classes can go quite wrong.
– Matthew Gunn
Dec 3 '15 at 9:23
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...| true true true true false false| true true true true false false
char | true true true true false false| true true true true false false
hyphn| true true true true false false| true true true true false false
two | -err- true -err- true -err- false| true true true tru...
C#: Printing all properties of an object [duplicate]
... string)
return string.Format("\"{0}\"", o);
if (o is char && (char)o == '\0')
return string.Empty;
if (o is ValueType)
return (o.ToString());
if (o is IEnumerable)
return ("...");
return ("{ }");
}
}
...
What is the purpose of std::make_pair vs the constructor of std::pair?
...two = make_pair (10.5,'A'); // ok: implicit conversion from pair<double,char>
Aside from the implicit conversion bonus of it, if you didn't use make_pair you'd have to do
one = pair<int,int>(10,20)
every time you assigned to one, which would be annoying over time...
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Executing a command stored in a variable from PowerShell
...h was included, verify that the path is correct and try again. At :line:14 char:1 + & <<<< $cmd1
– Travis
Aug 28 '10 at 23:29
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How to get std::vector pointer to the raw data?
I'm trying to use std::vector as a char array.
3 Answers
3
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Platform independent size_t Format specifiers in c?
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Yes: use the z length modifier:
size_t size = sizeof(char);
printf("the size is %zu\n", size); // decimal size_t ("u" for unsigned)
printf("the size is %zx\n", size); // hex size_t
The other length modifiers that are available are hh (for char), h (for short), l (for long),...
What is a non-capturing group in regular expressions?
...over it:
\b(\S)(\S)(\S)(\S*)\b
This regex matches words with at least 3 characters, and uses groups to separate the first three letters. The result is this:
Match "Lorem"
Group 1: "L"
Group 2: "o"
Group 3: "r"
Group 4: "em"
Match "ipsum"
Group 1: "i"
Group 2: "p"
...
Create objective-c class instance by name?
...runtime.h>
//Declaration in the above named file
id objc_getClass(const char* name);
//Usage
id c = objc_getClass("Object");
[ [ c alloc ] free ];
Under the Objective-C (1.0 or unnamed version) you would utilize the following:
#import <objc/objc-api.h>
//Declaration within the above name...