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Why are preprocessor macros evil and what are the alternatives?
... then
if (something) safe_divide(b, a, x);
else printf("Something is not set...");
It actually becomes completely the wrong thing....
Replacement: real functions.
3) Macros have no namespace
If we have a macro:
#define begin() x = 0
and we have some code in C++ that uses begin:
std::vec...
Disable Logback in SpringBoot
It appears Springboot autoconfigures itself to use Logback with Tomcat. I would like to disable this and use the one I provide in my classpath.
...
Request is not available in this context
...e.g. Application started, if not via a request than those fields should be set to null rather than completely removing my log statement.
– Vishal Seth
Mar 25 '10 at 17:56
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Remove multiple elements from array in Javascript/jQuery
I have two arrays. The first array contains some values while the second array contains indices of the values which should be removed from the first array. For example:
...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...1． 新建工程
新建了一个对话框工程，工程名称为MultiLanguages，默认语言选择是“中文”。
2． 添加多国语言的资源
在创建工程后，工程会添加默认的资源，如主对话框，都是“中文”资源。现在我们需要添加相应的英文...
Returning from a finally block in Java
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
How to convert nanoseconds to seconds using the TimeUnit enum?
How to convert a value from nanoseconds to seconds?
7 Answers
7
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In which order should floats be added to get the most precise result?
... add the two numbers with the lowest magnitude and reinsert the sum in the set. (Well, probably a merge sort would work best here. You could use the portion of the array containing the previously summed numbers as a working area for the partial sums.)
– Neil
Ju...
Validate phone number with JavaScript
I found this code in some website, and it works perfectly. It validates that the phone number is in one of these formats:
(123) 456-7890 or 123-456-7890
...
HTML5 dragleave fired when hovering a child element
...this).removeClass('red');
}
}
});
Note: In the drop event, reset counter to zero, and clear the added class.
You can run it here
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