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python re.sub group: number after \number
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330
The answer is:
re.sub(r'(foo)', r'\g<1>123', 'foobar')
Relevant excerpt from the docs:
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Reading a string with scanf
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140
An array "decays" into a pointer to its first element, so scanf("%s", string) is equivalent to s...
Select records from NOW() -1 Day
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280
Judging by the documentation for date/time functions, you should be able to do something like:
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Which, if any, C++ compilers do tail-recursion optimization?
...s such as:
int bar(int, int);
int foo(int n, int acc) {
return (n == 0) ? acc : bar(n - 1, acc + 2);
}
int bar(int n, int acc) {
return (n == 0) ? acc : foo(n - 1, acc + 1);
}
Letting the compiler do the optimisation is straightforward: Just switch on optimisation for speed:
For MSVC,...
Precedence and bitmask operations
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150
You are actually doing this:
var_dump(0b10 & (0b01 == 0));
var_dump(0b10 & (0b01 != 0))...
Matplotlib plots: removing axis, legends and white spaces
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406
I think that the command axis('off') takes care of one of the problems more succinctly than cha...
Passing command line arguments in Visual Studio 2010?
...t how to pass command line arguments to my main function in Visual Studio 2010 Express Edition. I want to debug - how do these command line arguments work?
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how to use “AND”, “OR” for RewriteCond on Apache?
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120
This is an interesting question and since it isn't explained very explicitly in the documentatio...
How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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10 Answers
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Calling clojure from java
...intln (str "(binomial 5 3): " (binomial 5 3)))
(println (str "(binomial 10042 111): " (binomial 10042 111)))
)
If you run it, you should see something like:
(binomial 5 3): 10
(binomial 10042 111): 49068389575068144946633777...
And here's a Java program that calls the -binomial function in th...