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Javascript: formatting a rounded number to N decimals
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edited Feb 8 '10 at 11:33
answered Feb 8 '10 at 11:27
Gu...
How do I open links in Visual Studio in my web browser and not in Visual Studio?
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63
There is an extension that provides this behavior called Open in External Browser. It works in V...
Default value of function parameter
... suppose:
lib.h
int Add(int a, int b);
lib.cpp
int Add(int a, int b = 3) {
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}
test.cpp
#include "lib.h"
int main() {
Add(4);
}
The compilation of test.cpp will not see the default parameter declaration, and will fail with an error.
For this reason, the default parameter definit...
How to synchronize a static variable among threads running different instances of a class in Java?
...nchronized (countLock) {
count++;
}
}
}
Method 3 is the best in many cases because the lock object is not exposed outside of your class.
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Getting an empty JQuery object
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edited Jun 23 '11 at 5:44
answered May 22 '09 at 11:03
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jquery how to empty input field
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423
You can clear the input field by using $('#shares').val('');
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
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3 Answers
3
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How can I use an array of function pointers?
...ract; /* address of subtract() */
p[2] = mul; /* address of mul() */
p[3] = div; /* address of div() */
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To call one of those function pointers:
result = (*p[op]) (i, j); // op being the index of one of the four functions
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git push fails: RPC failed; result=22, HTTP code = 411
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guettli
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answered Sep 29 '12 at 10:11
Maksym PolshchaM...
For each row in an R dataframe
... plate value1 value2
1 A P1 1 100
2 B P2 2 200
3 C P3 3 300
> f <- function(x, output) {
wellName <- x[1]
plateName <- x[2]
wellID <- 1
print(paste(wellID, x[3], x[4], sep=","))
cat(paste(wellID, x[3], x[4], sep=","), file= output, appen...