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Default value of function parameter
... suppose:
lib.h
int Add(int a, int b);
lib.cpp
int Add(int a, int b = 3) {
...
}
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...
IOS: create a UIImage or UIImageView with rounded corners
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237
Yes, it is possible.
Import the QuartzCore (#import <QuartzCore/QuartzCore.h>) header an...
Eclipse - debugger doesn't stop at breakpoint
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39
This could be related to one of the bugs in JDK 6 Update 14, as indicated in the release notes ...
ggplot2 legend to bottom and horizontal
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Shreyas KarnikShreyas Karnik
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How to compile without warnings being treated as errors?
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83
Sure, find where -Werror is set and remove that flag. Then warnings will be only warnings.
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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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How to use WeakReference in Java and Android development?
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231
Using a WeakReference in Android isn't any different than using one in plain old Java. Here is...
Oracle SQL Developer multiple table views
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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
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