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Is cout synchronized/thread-safe?
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Technically true for C++98/C++03, but I think everybody knows that. But this does not answer the two interesting questions: What about C++0x? What do typical implementations actually do?
– Nemo
Jun 16 '11 at 15:46
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Difference between List, List, List, List, and List
...hink anyone would use it considering you can not have an identifier at all now.
– if_zero_equals_one
Jun 3 '11 at 21:22
1
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is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
Is it possible to have a multi-line comments in R? [duplicate]
... <- function(x) {
# Non! Comment it out! We'll just do it once for now.
"if (x %in% 1:9) {
doTenEverythings()
}"
doEverythingOnce()
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return(list(
everythingDone = TRUE,
howOftenDone = 1
))
}
The main limitation is that when you'...
How to get an element's top position relative to the browser's viewport?
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The existing answers are now outdated. The native getBoundingClientRect() method has been around for quite a while now, and does exactly what the question asks for. Plus it is supported across all browsers (including IE 5, it seems!)
From MDN page:
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Change key pair for ec2 instance
...ould do the trick for #5. And don't forget step 13. is probably rm ~/.ssh/known_hosts on boxes you've been connecting from.
– brandonscript
Apr 9 '14 at 6:38
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The Concept of 'Hold space' and 'Pattern space' in sed
...irst command is not executed; h copies the first line into the hold space.
now the second line replaces whatever was in the pattern space
on the second line, first we execute G, appending the contents of the hold buffer to the pattern buffer, separating it by a newline. The pattern space now contain...
Cannot highlight all occurrences of a selected word in Eclipse
...simple new project, I tested on a big project and didn't work there don't know why.
– Adrian
Apr 25 '12 at 8:08
8
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PHP and Enumerations
I know that PHP doesn't have native Enumerations. But I have become accustomed to them from the Java world. I would love to use enums as a way to give predefined values which IDEs' auto-completion features could understand.
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Why is Spring's ApplicationContext.getBean considered bad?
...ut the whole idea of Inversion of Control is to have none of your classes know or care how they get the objects they depend on. This makes it easy to change what type of implementation of a given dependency you use at any time. It also makes the classes easy to test, as you can provide mock implemen...